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Cheap flights from Ottawa to the United States from C$ 65

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Find flight deals from Ottawa to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to USA
Explore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Mon 20/103:50 p.m.YOW - FLL
Nonstop3h 40mPorter Airlines
Mon 27/101:55 p.m.FLL - YOW
Nonstop3h 30mPorter Airlines
Deal found 13/10C$ 263
Mon 20/103:50 p.m.YOW - FLL
Nonstop3h 40mPorter Airlines
Fri 24/101:50 p.m.FLL - YOW
Nonstop3h 30mPorter Airlines
Deal found 13/10C$ 264
Mon 15/126:35 p.m.YOW - FLL
Nonstop3h 53mAir Canada
Mon 22/1211:40 p.m.FLL - YOW
Nonstop3h 22mAir Canada
Deal found 12/10C$ 270
Wed 29/104:15 p.m.YOW - FLL
Nonstop3h 40mPorter Airlines
Wed 5/111:55 p.m.FLL - YOW
Nonstop3h 30mPorter Airlines
Deal found 13/10C$ 273
Thu 23/103:50 p.m.YOW - FLL
Nonstop3h 40mPorter Airlines
Mon 27/101:55 p.m.FLL - YOW
Nonstop3h 30mPorter Airlines
Deal found 13/10C$ 274
Mon 15/126:35 p.m.YOW - FLL
Nonstop3h 53mAir Canada
Thu 25/1211:15 a.m.FLL - YOW
1 stop6h 27mAir Canada
Deal found 12/10C$ 277
Wed 17/129:30 a.m.YOW - MCO
Nonstop3h 28mPorter Airlines
Wed 31/122:00 p.m.MCO - YOW
Nonstop3h 13mPorter Airlines
Deal found 12/10C$ 278
Sun 9/119:30 a.m.YOW - MCO
Nonstop3h 28mPorter Airlines
Thu 13/112:00 p.m.MCO - YOW
Nonstop3h 13mPorter Airlines
Deal found 12/10C$ 280
Tue 9/129:30 a.m.YOW - MCO
Nonstop3h 28mPorter Airlines
Mon 15/128:50 a.m.MCO - YOW
2 stops11h 10mPorter Airlines
Deal found 13/10C$ 281
Mon 3/114:15 p.m.YOW - FLL
Nonstop3h 35mPorter Airlines
Fri 14/118:30 a.m.FLL - YOW
1 stop8h 19mPorter Airlines
Deal found 13/10C$ 281
Tue 28/106:45 a.m.YOW - MCO
1 stop7h 15mPorter Airlines
Sat 1/112:00 p.m.MCO - YOW
Nonstop3h 13mPorter Airlines
Deal found 13/10C$ 282
Mon 1/126:45 a.m.YOW - MCO
1 stop7h 15mPorter Airlines
Mon 8/128:50 a.m.MCO - YOW
1 stop8h 01mPorter Airlines
Deal found 13/10C$ 284

Cheap flight deals from Ottawa to USA

Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 14 October 2025.

Round-trip from

C$ 258

One-way from

C$ 65

Popular in

February

Cheapest in

September

Average price

C$ 386

Good round-trip deal

C$ 317 or less

Good one-way deal

C$ 208 or less
WestJet
  • WestJet
  • 5/1-5/4
  • 3 total stops
  • 23h 59m total
  • Ottawa to USA
Search Deals
Air Transat
  • Air Transat
  • 14/2
  • 2 total stops
  • 18h 15m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ottawa to USA.
Search Deals
Price to beat on a one-way flight from Ottawa to USA.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to USA 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 14 October 2025.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.

Fly from

Ottawa

Fly to

USA

Route

Depart

Return

Price

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Thu 18/12

4:20 p.m.-7:48 p.m.

Nonstop3h 28m

Orlando

Wed 31/12

2:00 p.m.-5:13 p.m.

Nonstop3h 13m

C$ 309

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Fri 23/1

5:55 p.m.-12:54 a.m.

1 stop6h 59m

Fort Lauderdale

Sat 7/2

7:00 a.m.-5:12 p.m.

1 stop10h 12m

C$ 324

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Fri 16/1

5:55 p.m.-12:54 a.m.

1 stop6h 59m

Fort Lauderdale

Sat 24/1

9:00 a.m.-9:18 p.m.

1 stop12h 18m

C$ 324

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Wed 17/12

9:30 a.m.-12:58 p.m.

Nonstop3h 28m

Orlando

Tue 30/12

1:00 p.m.-9:54 p.m.

1 stop8h 54m

C$ 334

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Tue 2/12

8:40 a.m.-2:00 p.m.

1 stop5h 20m

Newark

Sat 6/12

11:40 a.m.-5:29 p.m.

1 stop5h 49m

C$ 334

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 5/12

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Newark

Tue 9/12

10:55 a.m.-12:35 p.m.

Nonstop1h 40m

C$ 341

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Mon 3/11

9:25 a.m.-10:55 a.m.

Nonstop1h 30m

Newark

Thu 6/11

3:45 p.m.-5:25 p.m.

Nonstop1h 40m

C$ 341

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Tue 4/11

11:10 a.m.-6:01 p.m.

1 stop6h 51m

Orlando

Sat 15/11

6:00 a.m.-1:32 p.m.

1 stop7h 32m

C$ 346

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 5/12

5:55 p.m.-7:38 p.m.

Nonstop1h 43m

Newark

Tue 9/12

12:02 p.m.-1:36 p.m.

Nonstop1h 34m

C$ 348

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 4/12

5:55 p.m.-7:38 p.m.

Nonstop1h 43m

Newark

Mon 8/12

12:02 p.m.-1:36 p.m.

Nonstop1h 34m

C$ 348

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from Ottawa to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ottawa 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 Ottawa to the United States

What is the cheapest month to book a flight from Ottawa to USA?

Currently, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 157). Flying from Ottawa to USA in April is currently the most expensive (average of C$ 235). 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 YOW to US?

Find hourly flight availability from Ottawa to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2025.

When flying from Ottawa to USA, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight at noon.

What is the cheapest day to fly from Ottawa to USA?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to USA. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to USA flight should consider departing on Saturday evenings 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.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 14 October 2025.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Ottawa to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
379 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
458 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,977 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,125 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,298 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to USA. 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 from for flights from Ottawa to United States?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to United States. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to USA?

    Departing from Ottawa to USA will take you 3h 28m. There are 1941 km between Ottawa and USA. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to USA one-way?

    The cheapest airlines for a one-way flight from Ottawa to USA are Air Transat (C$ 65), Porter Airlines (C$ 157), and WestJet (C$ 174).

  • What are the most popular routes from Ottawa to USA?

    The most popular flight routes from Ottawa to USA are Ottawa - Fort Lauderdale, Ottawa - Orlando and Ottawa - Newark.

  • Can I find deals for flights from Ottawa to USA that include hotel bookings?

    Yes. In addition to deals on Ottawa to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to USA.

  • Can I find deals for business class flights from Ottawa to USA?

    Yes. Cheapflights offers flight deals from Ottawa to USA 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 Ottawa to USA?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 157). Flying from Ottawa to USA in April is currently the most expensive (average of C$ 235). 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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Alternative routes for Ottawa to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ottawa to USA

Discover the top 6 airlines that operate flights from Ottawa to USA. 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 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 217AverageC$ 590FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 246AverageC$ 426FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 268AverageC$ 435FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 288AverageC$ 453FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 289AverageC$ 569FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
APG AirlinesCheapestC$ 562AverageC$ 764FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to USA?

Cheapflights helps you search for flights from Ottawa to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to USA?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to USA with no change fees?

Certainly. Search results for flights to USA from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to USA become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Ottawa today and book when prices fit your budget.

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