Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin from C$ 447

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Dublin are usually found in September or November, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 November 2025.

Round-trip from

C$ 657

One-way from

C$ 447

Popular in

December

Cheapest in

September

Average price

C$ 918

Good round-trip deal

C$ 1,055 or less
WestJet
  • WestJet
  • 5/5-12/5
  • 2 total stops
  • 40h 30m total
  • Montreal to Dublin
1/12
  • 1/12
  • 1 total stop
  • 33h 00m total
  • Montreal to Dublin
Highest demand for flights based on searches. 0% potential increase in price (C$ 11 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 22 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Dublin.

Find flight deals from Pierre Elliott Trudeau Intl to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Dublin
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 3/129:45 p.m.YUL - DUB
1 stop20h 35mTAP AIR PORTUGAL
Sun 7/1211:10 a.m.DUB - YUL
1 stop14h 05mTAP AIR PORTUGAL
Deal found 5/11C$ 728
Wed 3/129:45 p.m.YUL - DUB
1 stop17h 35mMultiple Airlines
Wed 10/1210:15 a.m.DUB - YUL
1 stop15h 00mMultiple Airlines
Deal found 5/11C$ 735
Mon 1/129:45 p.m.YUL - DUB
1 stop21h 00mMultiple Airlines
Mon 8/127:15 a.m.DUB - YUL
1 stop18h 00mMultiple Airlines
Deal found 6/11C$ 786
Sun 23/119:40 p.m.YUL - DUB
1 stop30h 55mMultiple Airlines
Fri 12/126:35 a.m.DUB - YUL
1 stop18h 05mMultiple Airlines
Deal found 5/11C$ 794
Fri 5/129:40 p.m.YUL - DUB
1 stop15h 10mMultiple Airlines
Fri 12/126:35 a.m.DUB - YUL
1 stop18h 05mMultiple Airlines
Deal found 6/11C$ 798
Sun 30/119:40 p.m.YUL - DUB
2 stops21h 55mMultiple Airlines
Sun 7/128:25 a.m.DUB - YUL
1 stop16h 15mMultiple Airlines
Deal found 4/11C$ 804
Fri 28/119:45 p.m.YUL - DUB
1 stop20h 35mTAP AIR PORTUGAL
Sat 6/124:55 p.m.DUB - YUL
1 stop32h 20mTAP AIR PORTUGAL
Deal found 5/11C$ 813
Sun 7/129:40 p.m.YUL - DUB
1 stop30h 55mMultiple Airlines
Thu 15/16:10 p.m.DUB - YUL
1 stop30h 30mMultiple Airlines
Deal found 4/11C$ 824
Fri 21/119:40 p.m.YUL - DUB
1 stop15h 10mMultiple Airlines
Fri 28/116:00 a.m.DUB - YUL
2 stops18h 40mMultiple Airlines
Deal found 5/11C$ 827

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Dublin

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

6:45 a.m.-10:00 a.m.

1 stop22h 15m

Dublin

Mon 11/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Thu 7/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 674

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Tue 12/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 674

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Thu 7/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 674

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Wed 13/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 674

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Thu 7/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 674

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Tue 19/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 679

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Tue 19/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 679

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Tue 19/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 680

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Wed 20/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 686

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
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Best time to book a flight from Pierre Elliott Trudeau Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Dublin. Price data was last updated on 31 October 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin (average of C$ 611). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in July is currently the most expensive (average of C$ 852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to DUB?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 November 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Dublin. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 6 November 2025.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Dublin from Montreal Pierre Elliott Trudeau Intl?

    Dublin (DUB) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Dublin. You should not have trouble finding flights to Dublin from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 12 airlines have flights to the Dublin airport from Montreal Pierre Elliott Trudeau Intl. It is only a 9.2 km journey from Dublin (DUB) to Dublin’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin can take about 22h 15m. WestJet provides one of the quickest options available for as low as C$ 670. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is about 4768 km.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin round-trip?

    Currently priced at C$ 602, Porter Airlines will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Dublin and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and British Airways - these airlines can fly you to your destination from C$ 605 and C$ 658, respectively. These flights start at 39% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin are Air Canada (94%), United Airlines (94%) and Lufthansa (94%).

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is generally C$ 1,108, our data shows the cheapest flight currently is C$ 893. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 728 for that flight.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Dublin.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Dublin?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin (average of C$ 611). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in July is currently the most expensive (average of C$ 852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from Pierre Elliott Trudeau Intl to Dublin on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.

Top 10 airlines flying from Pierre Elliott Trudeau Intl to Dublin

Discover the top 10 airlines that operate flights from Pierre Elliott Trudeau Intl to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 602AverageC$ 863FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 605AverageC$ 883FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 658AverageC$ 930FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 682AverageC$ 838FlexibilityNo cancel feeOn-time60%
Search WestJet flights
TAP AIR PORTUGALCheapestC$ 725AverageC$ 842FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 792AverageC$ 1,013FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 837AverageC$ 1,067FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 839AverageC$ 936FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 855AverageC$ 889FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 868AverageC$ 954FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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