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Cheap flights from the United States to Ottawa from C$ 119

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
6 Aug — 13 Aug1
1 adult

Cheap flight deals from USA to Ottawa

Keep the following information in mind while searching for USA to Ottawa flight deals. Data was last updated 1 August 2025.

Round-trip from

C$ 313

One-way from

C$ 119

Popular in

January

Cheapest in

April

Average price

C$ 516

Good round-trip deal

C$ 215 or less

Good one-way deal

C$ 177 or less
Porter Airlines
  • Porter Airlines
  • 13/9-16/9
  • 2 total stops
  • 9h 09m total
  • USA to Ottawa
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Porter Airlines
  • Porter Airlines
  • 18/10
  • Nonstop
  • 1h 41m total
  • USA to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from USA to Ottawa.
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Price to beat on a one-way flight from USA to Ottawa.
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Find flight deals from USA to Ottawa

Cheapest flights from USA to Ottawa
Explore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Sat 13/91:15 p.m.EWR - YOW
1 stop4h 54mPorter Airlines
Tue 16/97:00 a.m.YOW - EWR
1 stop4h 15mPorter Airlines
Deal found 29/7C$ 313
Mon 27/106:05 a.m.LGA - YOW
1 stop3h 37mMultiple Airlines
Fri 31/1011:05 a.m.YOW - LGA
1 stop5h 50mMultiple Airlines
Deal found 29/7C$ 313
Wed 27/81:50 p.m.FLL - YOW
Nonstop3h 30mPorter Airlines
Wed 3/97:00 a.m.YOW - FLL
1 stop5h 48mPorter Airlines
Deal found 29/7C$ 343
Sun 14/910:50 a.m.FLL - YOW
1 stop13h 32mMultiple Airlines
Sun 28/93:50 p.m.YOW - FLL
Nonstop3h 40mMultiple Airlines
Deal found 31/7C$ 354
Tue 14/101:45 p.m.MCO - YOW
Nonstop3h 12mPorter Airlines
Wed 22/104:25 p.m.YOW - MCO
Nonstop3h 16mPorter Airlines
Deal found 29/7C$ 363
Tue 21/108:00 a.m.MCO - YOW
1 stop5h 51mAir Canada
Tue 21/103:55 p.m.YOW - MCO
1 stop7h 53mAir Canada
Deal found 29/7C$ 371
Sat 13/99:55 a.m.LGA - YOW
1 stop7h 26mPorter Airlines
Tue 16/92:20 p.m.YOW - LGA
1 stop6h 45mPorter Airlines
Deal found 29/7C$ 374
Sat 13/92:15 p.m.EWR - YOW
Nonstop1h 41mMultiple Airlines
Sat 20/98:25 a.m.YOW - EWR
Nonstop1h 35mMultiple Airlines
Deal found 30/7C$ 379
Wed 27/84:10 p.m.IAD - YOW
1 stop3h 28mPorter Airlines
Wed 3/911:00 a.m.YOW - IAD
1 stop4h 06mPorter Airlines
Deal found 29/7C$ 383
Thu 4/99:00 a.m.JFK - YOW
1 stop4h 51mAir Canada
Sun 7/95:15 a.m.YOW - JFK
1 stop4h 32mAir Canada
Deal found 30/7C$ 392
Sun 7/97:05 a.m.LGA - YOW
1 stop3h 20mAir Canada
Fri 12/96:00 a.m.YOW - LGA
1 stop3h 32mAir Canada
Deal found 29/7C$ 393
Fri 17/106:25 a.m.MCO - YOW
1 stop8h 31mMultiple Airlines
Wed 22/104:25 p.m.YOW - MCO
Nonstop3h 16mMultiple Airlines
Deal found 29/7C$ 408

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Ottawa 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 1 August 2025.
Use the filters below to find and compare flights from the United States to Ottawa that are best for you.

Fly from

USA

Fly to

Ottawa

Route

Depart

Return

Price

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Sat 13/9

1:15 p.m.-6:09 p.m.

1 stop4h 54m

Ottawa

Tue 16/9

7:00 a.m.-11:15 a.m.

1 stop4h 15m

C$ 313

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Mon 27/10

6:05 a.m.-9:42 a.m.

1 stop3h 37m

Ottawa

Fri 31/10

11:05 a.m.-4:55 p.m.

1 stop5h 50m

C$ 313

Fort LauderdaleOttawa

FLL - YOW

FLLYOW

Fort Lauderdale

Wed 27/8

1:50 p.m.-5:20 p.m.

Nonstop3h 30m

Ottawa

Wed 3/9

7:00 a.m.-12:48 p.m.

1 stop5h 48m

C$ 343

Fort LauderdaleOttawa

FLL - YOW

FLLYOW

Fort Lauderdale

Sun 14/9

10:50 a.m.-12:22 a.m.

1 stop13h 32m

Ottawa

Sun 28/9

3:50 p.m.-7:30 p.m.

Nonstop3h 40m

C$ 354

OrlandoOttawa

MCO - YOW

MCOYOW

Orlando

Tue 14/10

1:45 p.m.-4:57 p.m.

Nonstop3h 12m

Ottawa

Wed 22/10

4:25 p.m.-7:41 p.m.

Nonstop3h 16m

C$ 363

OrlandoOttawa

MCO - YOW

MCOYOW

Orlando

Tue 21/10

8:00 a.m.-1:51 p.m.

1 stop5h 51m

Ottawa

Tue 21/10

3:55 p.m.-11:48 p.m.

1 stop7h 53m

C$ 371

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Sat 13/9

9:55 a.m.-5:21 p.m.

1 stop7h 26m

Ottawa

Tue 16/9

2:20 p.m.-9:05 p.m.

1 stop6h 45m

C$ 374

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Sat 13/9

2:15 p.m.-3:56 p.m.

Nonstop1h 41m

Ottawa

Sat 20/9

8:25 a.m.-10:00 a.m.

Nonstop1h 35m

C$ 379

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 27/8

4:10 p.m.-7:38 p.m.

1 stop3h 28m

Ottawa

Wed 3/9

11:00 a.m.-3:06 p.m.

1 stop4h 06m

C$ 383

New YorkOttawa

JFK - YOW

JFKYOW

New York John F Kennedy Intl

Thu 4/9

9:00 a.m.-1:51 p.m.

1 stop4h 51m

Ottawa

Sun 7/9

5:15 a.m.-9:47 a.m.

1 stop4h 32m

C$ 392

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 59 results
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Best time to book a flight from USA to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from USA 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 the United States to Ottawa

What is the cheapest month to book a flight from USA to Ottawa?

Currently, October is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 224). Flying from USA to Ottawa in December is currently the most expensive (average of C$ 326). 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 US to YOW?

Find hourly flight availability from USA to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 August 2025.

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

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 1 August 2025.
Read reviews from past customers who have flown Porter Airlines,Delta, andAir Transat from the United States to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,978 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from USA to Ottawa. 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 into for flights to Ottawa from United States?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from United States to Ottawa.

  • What are the cheapest airlines to fly from USA to Ottawa one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 119. Users have also found prices from C$ 163 and C$ 184 on Air Canada and Air Transat, respectively.

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

    The most popular route from USA to Ottawa is Newark - Ottawa. You may also consider Washington, D.C. Dulles Intl - Ottawa or Chicago O'Hare Intl - Ottawa.

  • Can I find deals for flights from USA to Ottawa that include hotel bookings?

    Yes. In addition to deals on USA to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Ottawa.

  • Can I find deals for business class flights from USA to Ottawa?

    Yes. Cheapflights offers flight deals from USA to Ottawa 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 USA to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 224). Flying from USA to Ottawa in December is currently the most expensive (average of C$ 326). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from USA to Ottawa

Discover the top 3 airlines that operate flights from USA to Ottawa. 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 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 146AverageC$ 447FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 155AverageC$ 607FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 204AverageC$ 383FlexibilityNo 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 USA to Ottawa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from USA to Ottawa?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from USA to Ottawa for you. Better yet — we are completely free to use.

Can Cheapflights find flights from USA to Ottawa with no change fees?

Yes, we can. To see specific flights from USA to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from USA to Ottawa become cheaper?

Yes! Start tracking prices for USA to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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