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Cheap flights from Ottawa to the United States from C$ 162

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

C$ 272

One-way from

C$ 162

Popular in

December

Cheapest in

January

Average price

C$ 500

Good round-trip deal

C$ 272 or less

Good one-way deal

C$ 148 or less
Porter Airlines
  • Porter Airlines
  • 30/3-6/4
  • Nonstop
  • 6h 46m total
  • Ottawa to USA
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Porter Airlines
  • Porter Airlines
  • 30/4
  • Nonstop
  • 1h 45m total
  • Ottawa to USA
Search Deals
High demand for flights, 4% potential price rise
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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 March 2025
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Price to beat on a round-trip flight from Ottawa to USA.
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Price to beat on a one-way flight from Ottawa to USA.
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Find flight deals from Ottawa to USA

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 25 March 2025.

Sun 30/34:20 p.m.YOW - MCO
Nonstop3h 24mPorter Airlines
Sun 6/44:50 p.m.MCO - YOW
Nonstop3h 22mPorter Airlines
Deal found 23/3C$ 272
Sat 12/44:20 p.m.YOW - FLL
Nonstop3h 39mPorter Airlines
Sat 19/42:05 p.m.FLL - YOW
Nonstop3h 35mPorter Airlines
Deal found 23/3C$ 281
Mon 7/46:10 p.m.YOW - LAS
Nonstop5h 30mPorter Airlines
Thu 10/410:35 p.m.LAS - YOW
1 stop6h 45mPorter Airlines
Deal found 24/3C$ 282
Wed 23/45:20 p.m.YOW - EWR
Nonstop1h 45mPorter Airlines
Wed 30/42:10 p.m.EWR - YOW
Nonstop1h 45mPorter Airlines
Deal found 24/3C$ 282
Wed 21/511:00 a.m.YOW - EWR
Nonstop1h 30mAir Transat
Wed 28/55:15 p.m.EWR - YOW
Nonstop1h 41mAir Transat
Deal found 24/3C$ 297
Sun 4/57:50 a.m.YOW - LAS
2 stops14h 48mWestJet
Sat 10/58:00 a.m.LAS - YOW
2 stops13h 22mWestJet
Deal found 22/3C$ 304
Tue 27/56:00 a.m.YOW - EWR
1 stop3h 40mAir Canada
Thu 29/57:45 a.m.EWR - YOW
1 stop6h 00mAir Canada
Deal found 24/3C$ 308
Wed 7/59:05 a.m.YOW - LAS
Nonstop5h 20mAir Transat
Wed 14/512:20 p.m.LAS - YOW
Nonstop4h 35mAir Transat
Deal found 23/3C$ 309
Tue 27/53:55 p.m.YOW - JFK
1 stop6h 50mAir Canada
Thu 29/59:00 a.m.JFK - YOW
1 stop4h 45mAir Canada
Deal found 23/3C$ 309
Thu 8/52:30 p.m.YOW - LGA
1 stop3h 38mAir Canada
Thu 15/57:05 a.m.LGA - YOW
1 stop3h 20mAir Canada
Deal found 23/3C$ 309
Wed 23/46:20 a.m.YOW - FLL
1 stop6h 13mAir Canada
Tue 29/411:05 a.m.FLL - YOW
1 stop7h 04mAir Canada
Deal found 24/3C$ 317
Wed 7/56:33 a.m.YOW - LAS
1 stop18h 39mAir Canada
Wed 14/57:00 a.m.LAS - YOW
1 stop11h 35mAir Canada
Deal found 23/3C$ 327

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 25 March 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

Sat 12/4

4:20 p.m.-7:44 p.m.

Nonstop3h 24m

Orlando

Fri 18/4

4:50 p.m.-8:12 p.m.

Nonstop3h 22m

C$ 272

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sat 12/4

4:20 p.m.-7:59 p.m.

Nonstop3h 39m

Fort Lauderdale

Sat 19/4

2:05 p.m.-5:40 p.m.

Nonstop3h 35m

C$ 281

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 7/4

6:10 p.m.-8:40 p.m.

Nonstop5h 30m

Las Vegas Harry Reid Intl

Thu 10/4

10:35 p.m.-8:20 a.m.

1 stop6h 45m

C$ 282

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 23/4

5:20 p.m.-7:05 p.m.

Nonstop1h 45m

Newark

Wed 30/4

2:10 p.m.-3:55 p.m.

Nonstop1h 45m

C$ 282

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Tue 27/5

6:00 a.m.-9:40 a.m.

1 stop3h 40m

Newark

Thu 29/5

7:45 a.m.-1:45 p.m.

1 stop6h 00m

C$ 308

OttawaNew York

YOW - JFK

YOWJFK

Ottawa

Tue 27/5

3:55 p.m.-10:45 p.m.

1 stop6h 50m

New York John F Kennedy Intl

Thu 29/5

9:00 a.m.-1:45 p.m.

1 stop4h 45m

C$ 309

OttawaNew York

YOW - LGA

YOWLGA

Ottawa

Thu 8/5

2:30 p.m.-6:08 p.m.

1 stop3h 38m

New York LaGuardia

Thu 15/5

7:05 a.m.-10:25 a.m.

1 stop3h 20m

C$ 309

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 15/4

7:45 a.m.-11:23 a.m.

Nonstop3h 38m

Fort Lauderdale

Tue 29/4

11:05 a.m.-5:24 p.m.

1 stop6h 19m

C$ 314

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Wed 16/4

5:55 a.m.-11:02 p.m.

1 stop17h 07m

Orlando

Fri 18/4

5:30 p.m.-12:09 a.m.

1 stop6h 39m

C$ 315

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Mon 14/4

9:50 a.m.-11:30 a.m.

Nonstop1h 40m

Newark

Sun 20/4

7:25 a.m.-9:10 a.m.

Nonstop1h 45m

C$ 321

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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$ 231). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 314). 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 25 March 2025.

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.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

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 25 March 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and Air Transat from Ottawa to USA to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Porter Airlines (C$ 162), Air Transat (C$ 178), and Air Canada (C$ 182).

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

    The most popular flight routes from Ottawa to USA are Ottawa - Newark, Ottawa - Chicago O'Hare Intl and Ottawa - Las Vegas Harry Reid Intl.

  • 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$ 231). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 314). 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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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 253AverageC$ 544FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 260AverageC$ 672FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 288AverageC$ 483FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 293AverageC$ 442FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 341AverageC$ 687FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Flair AirlinesCheapestC$ 402AverageC$ 475FlexibilityNo cancel feeOn-timeN/A
Search Flair 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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