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Cheap flights from Ottawa to the United States from C$ 169

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
7 Jul — 14 Jul1
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 2 July 2025.

Round-trip from

C$ 260

One-way from

C$ 169

Popular in

August

Cheapest in

September

Average price

C$ 416

Good round-trip deal

C$ 310 or less

Good one-way deal

C$ 184 or less
Porter Airlines
  • Porter Airlines
  • 17/8-25/8
  • 2 total stops
  • 8h 18m total
  • Ottawa to USA
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Air Transat
  • Air Transat
  • 22/8
  • 2 total stops
  • 17h 55m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 5 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 July 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

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 2 July 2025.

Sun 17/87:00 a.m.YOW - EWR
1 stop3h 15mPorter Airlines
Mon 25/812:00 p.m.EWR - YOW
1 stop5h 03mPorter Airlines
Deal found 2/7C$ 260
Wed 30/712:20 p.m.YOW - LAX
2 stops12h 27mWestJet
Wed 6/86:05 p.m.LAX - YOW
1 stop9h 40mWestJet
Deal found 2/7C$ 278
Thu 7/811:20 a.m.YOW - LGA
1 stop5h 10mPorter Airlines
Mon 11/86:15 a.m.LGA - YOW
1 stop4h 06mPorter Airlines
Deal found 1/7C$ 286
Tue 12/87:00 a.m.YOW - LAX
1 stop9h 00mMultiple Airlines
Tue 19/812:35 p.m.LAX - YOW
2 stops13h 50mMultiple Airlines
Deal found 30/6C$ 296
Fri 12/92:40 p.m.YOW - LGA
1 stop3h 50mAir Canada
Sun 14/97:05 a.m.LGA - YOW
1 stop3h 20mAir Canada
Deal found 1/7C$ 315
Fri 25/711:05 a.m.YOW - EWR
1 stop3h 38mAir Canada
Sun 27/710:20 a.m.EWR - YOW
1 stop3h 24mAir Canada
Deal found 30/6C$ 330
Tue 9/912:20 p.m.YOW - LAS
2 stops11h 01mWestJet
Fri 12/91:25 p.m.LAS - YOW
2 stops12h 58mWestJet
Deal found 30/6C$ 333
Thu 17/73:50 p.m.YOW - FLL
Nonstop3h 45mPorter Airlines
Thu 24/71:50 p.m.FLL - YOW
Nonstop3h 25mPorter Airlines
Deal found 1/7C$ 333
Wed 9/76:33 a.m.YOW - LAX
1 stop17h 21mUnited Airlines
Wed 23/711:37 p.m.LAX - YOW
1 stop14h 29mUnited Airlines
Deal found 30/6C$ 334
Wed 13/84:25 p.m.YOW - MCO
Nonstop3h 19mPorter Airlines
Thu 21/81:45 p.m.MCO - YOW
Nonstop3h 21mPorter Airlines
Deal found 30/6C$ 337
Wed 6/85:15 a.m.YOW - JFK
1 stop4h 35mAir Canada
Wed 13/89:00 a.m.JFK - YOW
1 stop4h 44mAir Canada
Deal found 30/6C$ 337
Thu 14/85:05 p.m.YOW - LAS
1 stop7h 50mPorter Airlines
Thu 21/810:55 p.m.LAS - YOW
1 stop8h 26mPorter Airlines
Deal found 30/6C$ 365

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 2 July 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

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Sun 17/8

7:00 a.m.-10:15 a.m.

1 stop3h 15m

Newark

Mon 25/8

12:00 p.m.-5:03 p.m.

1 stop5h 03m

C$ 260

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 30/7

12:20 p.m.-9:47 p.m.

2 stops12h 27m

Los Angeles

Wed 6/8

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 278

OttawaNew York

YOW - LGA

YOWLGA

Ottawa

Thu 7/8

11:20 a.m.-4:30 p.m.

1 stop5h 10m

New York LaGuardia

Mon 11/8

6:15 a.m.-10:21 a.m.

1 stop4h 06m

C$ 286

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 12/8

7:00 a.m.-1:00 p.m.

1 stop9h 00m

Los Angeles

Tue 19/8

12:35 p.m.-5:25 a.m.

2 stops13h 50m

C$ 296

OttawaNew York

YOW - LGA

YOWLGA

Ottawa

Fri 12/9

2:40 p.m.-6:30 p.m.

1 stop3h 50m

New York LaGuardia

Sun 14/9

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

1 stop3h 20m

C$ 315

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 25/7

11:05 a.m.-2:43 p.m.

1 stop3h 38m

Newark

Sun 27/7

10:20 a.m.-1:44 p.m.

1 stop3h 24m

C$ 330

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 9/9

12:20 p.m.-8:21 p.m.

2 stops11h 01m

Las Vegas Harry Reid Intl

Fri 12/9

1:25 p.m.-5:23 a.m.

2 stops12h 58m

C$ 333

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Thu 17/7

3:50 p.m.-7:35 p.m.

Nonstop3h 45m

Fort Lauderdale

Thu 24/7

1:50 p.m.-5:15 p.m.

Nonstop3h 25m

C$ 333

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Mon 14/7

6:05 a.m.-11:58 a.m.

1 stop8h 53m

Los Angeles

Tue 22/7

4:35 p.m.-2:04 p.m.

1 stop18h 29m

C$ 334

OttawaNew York

YOW - JFK

YOWJFK

Ottawa

Wed 6/8

5:15 a.m.-9:50 a.m.

1 stop4h 35m

New York John F Kennedy Intl

Wed 13/8

9:00 a.m.-1:44 p.m.

1 stop4h 44m

C$ 337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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$ 226). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 301). 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 2 July 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.

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 2 July 2025.
See what other customers who have flown with Porter Airlines,Delta, andAir Transat 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
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
298 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,983 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
407 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,861 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,912 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Food

7.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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 Air Transat (C$ 169), Porter Airlines (C$ 174), and WestJet (C$ 183).

  • 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 - New York LaGuardia.

  • 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$ 226). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 301). 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 5 airlines flying from Ottawa to USA

Discover the top 5 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 225AverageC$ 599FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 241AverageC$ 423FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 271AverageC$ 439FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 279AverageC$ 426FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 308AverageC$ 634FlexibilityNo cancel feeOn-time69%
Search United 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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