In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

What are the most popular routes from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

When deciding which route to take from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport consider Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Portland - Montreal Pierre Elliott Trudeau Intl or Pasco Tri Cities - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

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

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

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

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

C$ 193+ Cheap Flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport

Cheap flight deals from Washington to Pierre Elliott Trudeau Intl

Round-trip from	C$ 387
One-way from	C$ 193
Popular in	December
Cheapest in	September
Average price	C$ 852

WestJet
12/1-16/1
2 total stops
35h 03m total
Washington to Montreal

Search Deals

American Airlines
13/11
1 total stop
12h 06m total
Washington to Montreal

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 68 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Washington to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Washington to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Mon 15/127:54 p.m.SEA - YUL

1 stop17h 33mMultiple Airlines

Wed 14/17:30 p.m.YUL - SEA

1 stop21h 50mMultiple Airlines

Deal found 29/10C$ 497

Mon 15/1211:55 a.m.SEA - YUL

2 stops16h 10mWestJet

Wed 14/17:30 p.m.YUL - SEA

1 stop21h 50mWestJet

Deal found 29/10C$ 517

Tue 9/123:10 p.m.SEA - YUL

1 stop12h 55mWestJet

Mon 15/127:30 p.m.YUL - SEA

1 stop21h 50mWestJet

Deal found 29/10C$ 528

Sun 7/1211:10 p.m.SEA - YUL

1 stop14h 17mMultiple Airlines

Wed 10/126:45 a.m.YUL - SEA

2 stops10h 35mMultiple Airlines

Deal found 30/10C$ 532

Fri 28/113:10 p.m.SEA - YUL

1 stop19h 22mMultiple Airlines

Mon 1/127:30 p.m.YUL - SEA

1 stop21h 50mMultiple Airlines

Deal found 28/10C$ 549

Thu 4/123:10 p.m.SEA - YUL

1 stop12h 55mWestJet

Sun 7/127:30 p.m.YUL - SEA

1 stop21h 50mWestJet

Deal found 30/10C$ 552

Tue 2/123:10 p.m.SEA - YUL

1 stop12h 55mMultiple Airlines

Sat 6/126:45 a.m.YUL - SEA

2 stops12h 51mMultiple Airlines

Deal found 30/10C$ 553

Mon 1/1211:10 p.m.SEA - YUL

1 stop14h 17mMultiple Airlines

Fri 5/127:30 p.m.YUL - SEA

2 stops17h 52mMultiple Airlines

Deal found 30/10C$ 559

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Mon 24/1112:45 p.m.YUL - PDX

1 stop12h 36mDelta

Deal found 29/10C$ 574

Thu 20/113:15 p.m.PDX - YUL

2 stops17h 43mAir Canada

Tue 25/117:30 a.m.YUL - PDX

1 stop10h 10mAir Canada

Deal found 29/10C$ 584

Wed 26/119:50 a.m.PDX - YUL

1 stop8h 10mAir Canada

Wed 3/129:00 a.m.YUL - PDX

1 stop8h 40mAir Canada

Deal found 29/10C$ 598

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Tue 25/1112:50 p.m.YUL - PDX

2 stops14h 24mDelta

Deal found 29/10C$ 626

Best flights from Washington to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Washington to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Fri 9/13:10 p.m.SEA - YUL

1 stop12h 55mWestJet

Wed 14/17:30 p.m.YUL - SEA

1 stop21h 50mWestJet

Deal found 29/10C$ 461

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Sun 23/117:10 a.m.YUL - PDX

1 stop8h 38mDelta

Deal found 30/10C$ 574

Fri 23/110:15 p.m.PDX - YUL

1 stop21h 29mAmerican Airlines

Tue 27/17:30 a.m.YUL - PDX

2 stops15h 57mAmerican Airlines

Deal found 29/10C$ 630

Wed 26/1111:10 p.m.SEA - YUL

1 stop14h 17mMultiple Airlines

Wed 3/127:30 p.m.YUL - SEA

1 stop21h 50mMultiple Airlines

Deal found 27/10C$ 634

Wed 7/12:10 p.m.SEA - YUL

1 stop17h 10mUnited Airlines

Sat 10/19:25 a.m.YUL - SEA

1 stop11h 49mUnited Airlines

Deal found 29/10C$ 693

Sun 11/13:10 p.m.SEA - YUL

1 stop21h 02mWestJet

Wed 14/17:30 p.m.YUL - SEA

1 stop21h 50mWestJet

Deal found 29/10C$ 461

Sun 11/13:10 p.m.SEA - YUL

1 stop12h 55mWestJet

Tue 13/14:15 p.m.YUL - SEA

1 stop25h 05mWestJet

Deal found 29/10C$ 461

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Mon 24/1112:45 p.m.YUL - PDX

1 stop12h 36mDelta

Deal found 29/10C$ 574

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Tue 25/1112:50 p.m.YUL - PDX

1 stop12h 15mDelta

Deal found 29/10C$ 574

Tue 6/12:10 p.m.SEA - YUL

1 stop17h 10mUnited Airlines

Tue 13/19:25 a.m.YUL - SEA

1 stop11h 49mUnited Airlines

Deal found 29/10C$ 693

Mon 2/311:59 p.m.SEA - YUL

1 stop11h 01mUnited Airlines

Thu 5/36:00 a.m.YUL - SEA

1 stop15h 58mUnited Airlines

Deal found 27/10C$ 693

Tue 6/12:10 p.m.SEA - YUL

1 stop17h 10mUnited Airlines

Thu 15/19:25 a.m.YUL - SEA

1 stop16h 18mUnited Airlines

Deal found 29/10C$ 693

Fri 9/12:10 p.m.SEA - YUL

1 stop17h 10mUnited Airlines

Sat 10/14:45 p.m.YUL - SEA

1 stop26h 16mUnited Airlines

Deal found 29/10C$ 693

Mon 2/35:45 p.m.PSC - YUL

2 stops15h 35mDelta

Thu 5/33:00 p.m.YUL - PSC

1 stop7h 58mDelta

Deal found 28/10C$ 1,200

Mon 2/312:44 p.m.PSC - YUL

2 stops18h 36mUnited Airlines

Thu 5/36:00 a.m.YUL - PSC

2 stops17h 49mUnited Airlines

Deal found 28/10C$ 1,202

Sat 21/25:00 a.m.PSC - YUL

1 stop8h 58mUnited Airlines

Sat 21/27:00 p.m.YUL - PSC

2 stops19h 41mUnited Airlines

Deal found 30/10C$ 1,352

Last-minute flights from Washington to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Washington to Pierre Elliott Trudeau Intl. Data last updated 30 October 2025 and is based on user searches.

Fri 7/1111:15 p.m.SEA - YUL

2 stops11h 20mDelta

Sat 15/117:00 a.m.YUL - SEA

1 stop13h 44mDelta

Deal found 29/10C$ 1,093

Sat 8/1110:05 a.m.SEA - YUL

2 stops23h 55mMultiple Airlines

Tue 11/115:10 p.m.YUL - SEA

1 stop20h 30mMultiple Airlines

Deal found 29/10C$ 944

Sat 8/1111:55 p.m.SEA - YUL

2 stops10h 44mDelta

Tue 11/119:26 a.m.YUL - SEA

2 stops12h 14mDelta

Deal found 29/10C$ 1,106

Sun 9/1111:10 p.m.SEA - YUL

2 stops11h 29mDelta

Fri 14/1112:45 p.m.YUL - SEA

1 stop14h 14mDelta

Deal found 29/10C$ 947

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Tue 25/1112:50 p.m.YUL - PDX

1 stop12h 15mDelta

Deal found 30/10C$ 574

Wed 19/1112:35 a.m.PDX - YUL

2 stops13h 46mDelta

Sun 23/1112:50 p.m.YUL - PDX

2 stops14h 24mDelta

Deal found 29/10C$ 582

Thu 20/113:15 p.m.PDX - YUL

2 stops17h 43mAir Canada

Tue 25/117:30 a.m.YUL - PDX

1 stop10h 10mAir Canada

Deal found 29/10C$ 584

Thu 20/116:10 a.m.PDX - YUL

1 stop8h 11mDelta

Mon 24/1112:45 p.m.YUL - PDX

1 stop12h 36mDelta

Deal found 29/10C$ 605

Thu 20/113:15 p.m.PDX - YUL

2 stops17h 43mAir Canada

Mon 24/118:10 p.m.YUL - PDX

2 stops16h 05mAir Canada

Deal found 29/10C$ 627

Thu 20/113:15 p.m.PDX - YUL

2 stops17h 43mAir Canada

Sun 23/118:50 p.m.YUL - PDX

2 stops15h 25mAir Canada

Deal found 29/10C$ 628

Wed 26/119:50 a.m.PDX - YUL

1 stop8h 10mAir Canada

Wed 3/129:00 a.m.YUL - PDX

1 stop8h 40mAir Canada

Deal found 29/10C$ 598

Wed 26/116:00 a.m.PDX - YUL

2 stops14h 26mDelta

Wed 3/1212:50 p.m.YUL - PDX

1 stop12h 20mDelta

Deal found 29/10C$ 631

One-way flights from Washington to Pierre Elliott Trudeau Intl
Search for one-way flight options from Washington to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 30 October 2025.

Thu 13/1111:59 p.m.PDX - YUL

1 stop12h 06mAmerican Airlines

Deal found 29/10C$ 193

Sat 7/211:05 p.m.SEA - YUL

1 stop14h 22mMultiple Airlines

Deal found 29/10C$ 222

Thu 13/1110:10 p.m.PDX - YUL

2 stops14h 45mDelta

Deal found 29/10C$ 222

Thu 4/123:10 p.m.SEA - YUL

1 stop12h 55mWestJet

Deal found 28/10C$ 239

Thu 4/123:10 p.m.SEA - YUL

1 stop19h 22mMultiple Airlines

Deal found 27/10C$ 247

Sat 22/1112:35 a.m.PDX - YUL

2 stops12h 20mDelta

Deal found 29/10C$ 247

Sat 22/117:00 p.m.PDX - YUL

2 stops12h 23mAir Canada

Deal found 29/10C$ 250

Sat 13/1211:55 a.m.SEA - YUL

3 stops33h 48mWestJet

Deal found 28/10C$ 258

Sat 13/1211:55 a.m.SEA - YUL

2 stops22h 37mMultiple Airlines

Deal found 28/10C$ 260

Fri 21/1111:55 a.m.SEA - YUL

3 stops26h 00mMultiple Airlines

Deal found 28/10C$ 263

Thu 20/113:10 p.m.SEA - YUL

1 stop19h 22mMultiple Airlines

Deal found 27/10C$ 276

Sat 22/1111:15 p.m.PDX - YUL

1 stop9h 45mDelta

Deal found 29/10C$ 283

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 9/1

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

7:30 p.m.-2:20 p.m.

1 stop21h 50m

C$ 461

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 11/1

3:10 p.m.-3:12 p.m.

1 stop21h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

7:30 p.m.-2:20 p.m.

1 stop21h 50m

C$ 461

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 11/1

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

4:15 p.m.-2:20 p.m.

1 stop25h 05m

C$ 461

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 19/11

12:35 a.m.-5:21 p.m.

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

7:10 a.m.-12:48 p.m.

1 stop8h 38m

C$ 574

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 19/11

12:35 a.m.-5:21 p.m.

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

12:45 p.m.-10:21 p.m.

1 stop12h 36m

C$ 574

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 19/11

12:35 a.m.-5:21 p.m.

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

12:50 p.m.-10:05 p.m.

1 stop12h 15m

C$ 574

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Fri 23/1

10:15 p.m.-10:44 p.m.

1 stop21h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

7:30 a.m.-8:27 p.m.

2 stops15h 57m

C$ 630

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 26/11

11:10 p.m.-4:27 p.m.

1 stop14h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

7:30 p.m.-2:20 p.m.

1 stop21h 50m

C$ 634

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 7/1

2:10 p.m.-10:20 a.m.

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

9:25 a.m.-6:14 p.m.

1 stop11h 49m

C$ 693

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 6/1

2:10 p.m.-10:20 a.m.

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

9:25 a.m.-6:14 p.m.

1 stop11h 49m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 27 results

Best time to book a flight from Washington to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Washington 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 Washington to Montreal Pierre Elliott Trudeau Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 286). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 443). 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 WA to YUL?

It’s typically best to fly out from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. Doing so could potentially save you 74% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

How long is the flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?
Departing from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport will take you 12h 55m. Airlines will cover a distance of 3663 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport one-way?
The cheapest airlines for a one-way flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport are American Airlines (C$ 193), Delta (C$ 222), and WestJet (C$ 240).
What are the most popular routes from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?
When deciding which route to take from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport consider Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Portland - Montreal Pierre Elliott Trudeau Intl or Pasco Tri Cities - Montreal Pierre Elliott Trudeau Intl as they are the most popular.
Can I find deals for flights from Washington to Pierre Elliott Trudeau Intl that include hotel bookings?
Yes. In addition to deals on Washington to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Pierre Elliott Trudeau Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Pierre Elliott Trudeau Intl.
Can I find deals for business class flights from Washington to Pierre Elliott Trudeau Intl?
Yes. Cheapflights offers flight deals from Washington to Pierre Elliott Trudeau Intl 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 State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?
Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 286). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 443). 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.

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Laval

Dorval

Cornwall

Sherbrooke

Brossard

Longueuil

Montebello

Trois-Rivières

Drummondville

Saint-Jean-sur-Richelieu

Boucherville

Bromont

North Hatley

Louiseville

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Washington to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 682	AverageC$ 997	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheapflights makes it easy to find Washington to Pierre Elliott Trudeau Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Washington to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Washington to Pierre Elliott Trudeau Intl with no change fees?

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Cheap flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport from C$ 193

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Washington to Pierre Elliott Trudeau Intl flight deals. Data was last updated 30 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Pierre Elliott Trudeau Intl

Cheapest flights from Washington to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Washington to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Explore the most affordable flight options available from Washington to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Best time to book a flight from Washington to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Washington with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Washington to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

Related info for your journey

Find useful and relevant information for your journey from Washington to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

What are the cheapest airlines to fly from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport one-way?

What are the most popular routes from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

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

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

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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Alternative routes for Washington to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington to Pierre Elliott Trudeau Intl

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How does Cheapflights help users find flights from Washington to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Washington to Pierre Elliott Trudeau Intl with no change fees?

Can Cheapflights notify me if prices for flights from Washington to Pierre Elliott Trudeau Intl become cheaper?

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Cheapest flights from Washington to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Washington to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.