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Cheap flights from Ottawa to the United States from C$ 197

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
25 Apr — 2 May1
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 26 March 2026.

Sun 10/56:00 a.m.
YOW
-
LAS
1 stop7h 45m
Air Canada
Sat 16/56:00 p.m.
LAS
-
YOW
1 stop9h 00m
Air Canada
Deal found 25/3C$ 266
Mon 1/65:50 p.m.
YOW
-
FLL
1 stop6h 09m
United Airlines
Wed 10/612:26 p.m.
FLL
-
YOW
1 stop9h 09m
United Airlines
Deal found 24/3C$ 303
Thu 30/44:20 p.m.
YOW
-
MCO
Nonstop3h 20m
Porter Airlines
Fri 8/511:20 a.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 25/3C$ 305
Thu 4/65:20 p.m.
YOW
-
LAS
1 stop9h 33m
United Airlines
Mon 8/611:30 p.m.
LAS
-
YOW
1 stop11h 29m
United Airlines
Deal found 24/3C$ 308
Tue 28/410:44 a.m.
YOW
-
LAS
1 stop7h 35m
United Airlines
Tue 28/47:04 p.m.
LAS
-
YOW
2 stops11h 59m
United Airlines
Deal found 24/3C$ 312
Sat 16/57:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Mon 18/58:40 p.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 22/3C$ 316
Wed 22/46:00 a.m.
YOW
-
LAS
1 stop8h 21m
United Airlines
Thu 30/411:40 p.m.
LAS
-
YOW
1 stop7h 23m
United Airlines
Deal found 24/3C$ 320
Wed 20/57:00 a.m.
YOW
-
MCO
1 stop5h 45m
Porter Airlines
Sat 30/511:20 a.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 22/3C$ 327
Sun 19/44:20 p.m.
YOW
-
MCO
Nonstop3h 20m
Porter Airlines
Sat 25/48:45 p.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 23/3C$ 336
Sun 28/67:30 p.m.
YOW
-
FLL
1 stop15h 37m
United Airlines
Thu 16/712:13 p.m.
FLL
-
YOW
1 stop11h 41m
United Airlines
Deal found 22/3C$ 336
Thu 4/611:15 a.m.
YOW
-
LAS
1 stop14h 15m
Air Canada
Mon 8/611:25 p.m.
LAS
-
YOW
1 stop7h 16m
Air Canada
Deal found 25/3C$ 339
Wed 22/47:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Wed 29/41:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 25/3C$ 341

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 26 March 2026.

Round-trip from

C$ 266

One-way from

C$ 197

Popular in

February

Cheapest in

June

Average price

C$ 405

Good round-trip deal

C$ 341 or less

Good one-way deal

C$ 192 or less
Air Canada
  • Air Canada
  • 10/5-16/5
  • 2 total stops
  • 16h 45m total
  • Ottawa to USA
Search Deals
Air Canada
  • Air Canada
  • 24/5
  • 1 total stop
  • 7h 45m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 26 March 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

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 7/6

10:44 a.m.-11:53 p.m.

1 stop16h 09m

Las Vegas Harry Reid Intl

Mon 8/6

12:36 a.m.-1:59 p.m.

1 stop10h 23m

C$ 320

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 28/6

7:30 p.m.-11:07 a.m.

1 stop15h 37m

Fort Lauderdale

Thu 16/7

12:13 p.m.-11:54 p.m.

1 stop11h 41m

C$ 336

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 7/7

6:25 a.m.-1:01 p.m.

1 stop9h 36m

Las Vegas Harry Reid Intl

Fri 10/7

5:30 a.m.-11:54 p.m.

2 stops15h 24m

C$ 364

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/7

7:30 p.m.-9:07 a.m.

2 stops16h 37m

Las Vegas Harry Reid Intl

Sat 11/7

2:15 p.m.-9:11 a.m.

2 stops15h 56m

C$ 364

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 21/7

3:10 p.m.-10:44 p.m.

1 stop10h 34m

Las Vegas Harry Reid Intl

Fri 24/7

12:36 a.m.-5:07 p.m.

1 stop13h 31m

C$ 364

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/7

7:30 p.m.-9:07 a.m.

2 stops16h 37m

Las Vegas Harry Reid Intl

Fri 10/7

5:30 a.m.-11:54 p.m.

2 stops15h 24m

C$ 375

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Mon 11/5

2:40 p.m.-12:59 a.m.

1 stop10h 19m

Orlando

Tue 26/5

7:13 a.m.-9:35 p.m.

1 stop14h 22m

C$ 378

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 16/4

11:00 a.m.-3:00 p.m.

1 stop4h 00m

Newark

Sun 19/4

8:45 a.m.-3:04 p.m.

1 stop6h 19m

C$ 385

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 8/4

6:25 a.m.-3:49 p.m.

2 stops12h 24m

Las Vegas Harry Reid Intl

Sat 11/4

1:11 p.m.-11:54 p.m.

1 stop7h 43m

C$ 390

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 29/6

3:10 p.m.-10:38 p.m.

1 stop10h 28m

Las Vegas Harry Reid Intl

Wed 8/7

10:34 p.m.-9:11 a.m.

1 stop7h 37m

C$ 405

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 181). Flying from Ottawa to USA in October is currently the most expensive (average of C$ 272). 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 26 March 2026.

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 55% 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 23 March 2026.

Travelers seeking maximum savings on their Ottawa to USA flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

About 24% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 137 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 Sunday 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 18% of flights being delayed.

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 26 March 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
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
428 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
525 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,488 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,303 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,842 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 26m. There are 526 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$ 42), WestJet (C$ 121), and Porter Airlines (C$ 134).

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

    The most popular flight routes from Ottawa to USA are Ottawa - Newark, Ottawa - Washington, D.C. Dulles Intl and Ottawa - Orlando.

  • 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$ 181). Flying from Ottawa to USA in October is currently the most expensive (average of C$ 272). 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

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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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 183AverageC$ 606FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 203AverageC$ 599FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 238AverageC$ 417FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 267AverageC$ 489FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 296AverageC$ 448FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 552AverageC$ 750FlexibilityNo 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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