Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ottawa to the United States from C$ 179

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 June 2026.

Fri 31/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Fri 7/811:20 a.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 22/6C$ 323
Sat 18/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Thu 23/71:45 p.m.
MCO
-
YOW
1 stop7h 35m
Porter Airlines
Deal found 20/6C$ 326
Fri 10/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Wed 15/71:45 p.m.
MCO
-
YOW
1 stop7h 35m
Porter Airlines
Deal found 20/6C$ 329
Fri 24/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Tue 28/71:45 p.m.
MCO
-
YOW
1 stop6h 20m
Porter Airlines
Deal found 22/6C$ 331
Fri 10/79:05 a.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Sat 11/72:35 p.m.
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Deal found 24/6C$ 336
Fri 10/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Sat 18/711:20 a.m.
MCO
-
YOW
Nonstop3h 15m
Porter Airlines
Deal found 20/6C$ 338
Sat 18/77:00 a.m.
YOW
-
FLL
Nonstop3h 30m
Porter Airlines
Sat 25/711:30 a.m.
FLL
-
YOW
Nonstop3h 27m
Porter Airlines
Deal found 21/6C$ 338
Mon 6/79:05 a.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Mon 13/711:20 a.m.
EWR
-
YOW
1 stop6h 34m
Porter Airlines
Deal found 22/6C$ 339
Fri 24/72:10 p.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Wed 29/712:25 p.m.
EWR
-
YOW
2 stops8h 55m
Porter Airlines
Deal found 22/6C$ 341
Sat 11/77:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Wed 15/71:45 p.m.
MCO
-
YOW
1 stop7h 35m
Porter Airlines
Deal found 20/6C$ 342
Fri 17/72:10 p.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Wed 22/78:00 a.m.
EWR
-
YOW
1 stop4h 54m
Porter Airlines
Deal found 22/6C$ 343
Wed 22/79:05 a.m.
YOW
-
EWR
Nonstop1h 35m
Multiple Airlines
Fri 24/710:40 a.m.
EWR
-
YOW
Nonstop1h 45m
Multiple Airlines
Deal found 23/6C$ 345

Find flight deals from Ottawa to USA

Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 24 June 2026.

Round-trip from

C$ 323

One-way from

C$ 179

Popular in

May

Cheapest in

November

Average price

C$ 445

Good round-trip deal

C$ 420 or less

Good one-way deal

C$ 215 or less
Porter Airlines
  • Porter Airlines
  • 31/7-7/8
  • Nonstop
  • 6h 32m total
  • Ottawa to USA
Search Deals
Porter Airlines
  • Porter Airlines
  • 23/7
  • Nonstop
  • 1h 35m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 24 June 2026.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 24/7

10:40 a.m.-4:44 p.m.

1 stop6h 04m

Boston Logan Intl

Mon 27/7

5:30 p.m.-9:44 p.m.

1 stop4h 14m

C$ 377

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Fri 10/7

6:25 a.m.-5:57 p.m.

1 stop11h 32m

Orlando

Fri 17/7

7:05 p.m.-10:03 a.m.

1 stop14h 58m

C$ 380
Quickest round-trip

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 7/8

2:10 p.m.-3:45 p.m.

Nonstop1h 35m

Newark

Fri 14/8

2:35 p.m.-4:20 p.m.

Nonstop1h 45m

C$ 383

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Tue 14/7

5:55 p.m.-10:00 p.m.

1 stop4h 05m

Newark

Mon 27/7

6:25 a.m.-1:20 p.m.

2 stops6h 55m

C$ 383

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Thu 13/8

6:25 a.m.-9:59 p.m.

1 stop15h 34m

Orlando

Thu 20/8

9:37 a.m.-11:54 p.m.

1 stop14h 17m

C$ 386

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 22/7

8:30 a.m.-6:45 p.m.

2 stops10h 15m

Newark

Wed 29/7

12:25 p.m.-9:20 p.m.

2 stops8h 55m

C$ 399

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Tue 18/8

10:40 a.m.-4:46 p.m.

1 stop6h 06m

Boston Logan Intl

Sat 22/8

3:55 p.m.-5:23 p.m.

Nonstop1h 28m

C$ 399

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 2/9

8:00 a.m.-4:55 p.m.

2 stops8h 55m

Newark

Sat 5/9

8:00 a.m.-12:54 p.m.

1 stop4h 54m

C$ 407

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 24/7

10:40 a.m.-4:44 p.m.

1 stop6h 04m

Boston Logan Intl

Sun 26/7

7:10 a.m.-12:54 p.m.

1 stop5h 44m

C$ 407

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 15/7

8:30 a.m.-6:45 p.m.

2 stops10h 15m

Newark

Mon 20/7

6:25 a.m.-12:54 p.m.

1 stop6h 29m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 441). Flying from Ottawa to USA in May is currently the most expensive (average of C$ 644). 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 24 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to USA as you normally would.

How often are flights from Ottawa to the United States delayed?

About 23% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 133 minutes.

What is the most punctual flight time for Ottawa to the United States flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to the United States flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 17% of flights being delayed.

How far ahead should I book a flight from Ottawa to USA?

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to USA. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 24 June 2026.
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
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
558 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,881 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,384 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,251 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.5

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 4h 29m. There are 542 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$ 44), WestJet (C$ 124), and Porter Airlines (C$ 147).

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

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

  • 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, January is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 441). Flying from Ottawa to USA in May is currently the most expensive (average of C$ 644). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to USA

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Cancún flights
Toronto Island to Cancún flights
Pearson Intl to Vancouver Intl flights
Hamilton to Cancún flights
Hamilton to Vancouver Intl flights
Pearson Intl to Cozumel flights
Region of Waterloo Intl to Cancún flights
Pearson Intl to Calgary flights
Pearson Intl to Abbotsford flights
Toronto Island to Vancouver Intl flights
Hamilton to Calgary flights
Toronto Island to Newark flights
Pearson Intl to Newark flights
Region of Waterloo Intl to Vancouver Intl flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Vancouver Intl flights
Toronto Island to Calgary flights
Pierre Elliott Trudeau Intl to Cancún flights
Region of Waterloo Intl to Calgary flights
Hamilton to Halifax flights
Pierre Elliott Trudeau Intl to Calgary flights
Pearson Intl to Edmonton flights
Pearson Intl to LaGuardia flights
Toronto Island to Halifax flights
Pearson Intl to Halifax flights
Hamilton to Edmonton flights
Toronto Island to LaGuardia flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Pearson Intl to Las Vegas flights
Toronto Island to John F Kennedy Intl flights
Ottawa to Vancouver Intl flights
Pearson Intl to Seattle flights
Pearson Intl to Mexico City flights
Pierre Elliott Trudeau Intl to Pearson Intl flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Pearson Intl to St. John's flights
Pearson Intl to Los Angeles flights
Pearson Intl to Winnipeg flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Region of Waterloo Intl to Abbotsford flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Hamilton to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Region of Waterloo Intl to Halifax flights
Pierre Elliott Trudeau Intl to Mexico City flights
Pierre Elliott Trudeau Intl to Newark flights

Top 7 airlines flying from Ottawa to USA

Discover the top 7 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 24 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 252AverageC$ 616FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 274AverageC$ 649FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 295AverageC$ 492FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 297AverageC$ 546FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 348AverageC$ 524FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 568AverageC$ 772FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights
American AirlinesCheapestC$ 610AverageC$ 843FlexibilityNo cancel feeOn-time71%
Search American 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.