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Cheap flights from Ottawa to the United States from C$ 157

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
27 May — 3 Jun1
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 27 April 2026.

Mon 25/57:00 a.m.
YOW
-
MCO
1 stop5h 45m
Porter Airlines
Fri 29/511:20 a.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 26/4C$ 283
Sat 13/67:00 a.m.
YOW
-
MCO
Nonstop3h 15m
Multiple Airlines
Wed 24/65:05 p.m.
MCO
-
YOW
1 stop7h 15m
Multiple Airlines
Deal found 22/4C$ 284
Fri 22/57:00 a.m.
YOW
-
MCO
Nonstop3h 19m
Porter Airlines
Fri 29/511:20 a.m.
MCO
-
YOW
Nonstop3h 13m
Porter Airlines
Deal found 22/4C$ 286
Thu 11/63:30 p.m.
YOW
-
EWR
1 stop4h 10m
Porter Airlines
Thu 18/68:00 a.m.
EWR
-
YOW
1 stop4h 54m
Porter Airlines
Deal found 27/4C$ 294
Fri 22/52:20 p.m.
YOW
-
EWR
Nonstop1h 33m
Porter Airlines
Wed 27/53:55 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 27/4C$ 295
Thu 28/59:05 a.m.
YOW
-
EWR
Nonstop1h 33m
Porter Airlines
Mon 1/610:35 a.m.
EWR
-
YOW
Nonstop1h 42m
Porter Airlines
Deal found 26/4C$ 297
Mon 25/59:05 a.m.
YOW
-
EWR
Nonstop1h 33m
Porter Airlines
Tue 26/53:55 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 26/4C$ 298
Tue 9/66:00 a.m.
YOW
-
MCO
1 stop6h 46m
Air Canada
Tue 16/67:00 a.m.
MCO
-
YOW
1 stop6h 05m
Air Canada
Deal found 26/4C$ 303
Sat 23/511:00 a.m.
YOW
-
EWR
1 stop4h 10m
Porter Airlines
Tue 26/54:40 p.m.
EWR
-
YOW
1 stop5h 04m
Porter Airlines
Deal found 26/4C$ 303
Fri 12/67:00 a.m.
YOW
-
MCO
1 stop5h 45m
Multiple Airlines
Wed 17/65:05 p.m.
MCO
-
YOW
1 stop7h 15m
Multiple Airlines
Deal found 26/4C$ 305
Sat 13/66:55 a.m.
YOW
-
MCO
1 stop27h 45m
WestJet
Wed 24/65:05 p.m.
MCO
-
YOW
1 stop7h 15m
WestJet
Deal found 22/4C$ 306
Wed 27/58:00 a.m.
YOW
-
EWR
1 stop3h 45m
Porter Airlines
Mon 1/69:10 a.m.
EWR
-
YOW
1 stop3h 44m
Porter Airlines
Deal found 26/4C$ 306

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 27 April 2026.

Round-trip from

C$ 283

One-way from

C$ 157

Popular in

February

Cheapest in

July

Average price

C$ 444

Good round-trip deal

C$ 401 or less

Good one-way deal

C$ 212 or less
Porter Airlines
  • Porter Airlines
  • 25/5-29/5
  • 1 total stop
  • 8h 58m total
  • Ottawa to USA
Search Deals
Porter Airlines
  • Porter Airlines
  • 30/5
  • Nonstop
  • 3h 19m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 27 April 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

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Fri 5/6

3:10 p.m.-9:36 p.m.

1 stop6h 26m

Orlando

Tue 9/6

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

1 stop14h 22m

C$ 320

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Sat 6/6

2:52 p.m.-1:01 a.m.

1 stop10h 09m

Orlando

Sat 13/6

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

1 stop14h 58m

C$ 321

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Mon 18/5

5:55 p.m.-9:45 p.m.

1 stop3h 50m

Newark

Tue 19/5

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

1 stop6h 29m

C$ 351
Quickest round-trip

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Sun 7/6

2:20 p.m.-3:55 p.m.

Nonstop1h 35m

Newark

Thu 11/6

3:55 p.m.-5:37 p.m.

Nonstop1h 42m

C$ 365

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Mon 25/5

2:20 p.m.-3:53 p.m.

Nonstop1h 33m

Newark

Tue 26/5

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

2 stops6h 55m

C$ 370

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 17/8

6:00 a.m.-12:55 p.m.

1 stop9h 55m

Las Vegas Harry Reid Intl

Fri 21/8

1:45 p.m.-12:40 a.m.

1 stop7h 55m

C$ 373

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/8

6:55 a.m.-5:15 p.m.

2 stops13h 20m

Las Vegas Harry Reid Intl

Fri 14/8

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 384

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Wed 13/5

6:00 a.m.-4:09 p.m.

1 stop10h 09m

Fort Lauderdale

Wed 3/6

7:00 a.m.-11:54 p.m.

2 stops16h 54m

C$ 392

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 8/5

3:30 p.m.-7:10 p.m.

1 stop3h 40m

Newark

Mon 11/5

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

2 stops6h 55m

C$ 411

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 18/6

3:30 p.m.-7:40 p.m.

1 stop4h 10m

Newark

Wed 24/6

3:55 p.m.-5:37 p.m.

Nonstop1h 42m

C$ 415

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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.

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$ 421). Flying from Ottawa to USA in March is currently the most expensive (average of C$ 518). 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 27 April 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 24% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 134 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 Thursday 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 19% 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 27 April 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
435 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
435 reviews
Porter Airlines
8.0
Very good
435 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
7.8
Good
542 reviews
Porter Airlines
8.0
Very good
435 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
9,672 reviews
Porter Airlines
8.0
Very good
435 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
3,327 reviews
Porter Airlines
8.0
Very good
435 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
10,974 reviews
Porter Airlines
8.0
Very good
435 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 50m. There are 528 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$ 120), and Porter Airlines (C$ 142).

  • 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 John F Kennedy 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$ 421). Flying from Ottawa to USA in March is currently the most expensive (average of C$ 518). 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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 170AverageC$ 594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 242AverageC$ 587FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 252AverageC$ 405FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 266AverageC$ 488FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 316AverageC$ 493FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 547AverageC$ 744FlexibilityNo 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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