Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United States to Ottawa from C$ 122

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 264

One-way from

C$ 122

Popular in

August

Cheapest in

April

Average price

C$ 355

Good round-trip deal

C$ 212 or less

Good one-way deal

C$ 138 or less
Porter Airlines
  • Porter Airlines
  • 24/7-24/7
  • 1 total stop
  • 7h 38m total
  • USA to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 15/7
  • Nonstop
  • 1h 41m total
  • USA to Ottawa
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 105 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).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from USA to Ottawa.
Search Deals
Price to beat on a one-way flight from USA to Ottawa.
Search Deals

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 12 June 2025.

Thu 24/76:50 a.m.EWR - YOW
1 stop6h 08mPorter Airlines
Thu 24/74:10 p.m.YOW - EWR
Nonstop1h 30mPorter Airlines
Deal found 11/6C$ 264
Wed 9/73:00 p.m.LAX - YOW
2 stops11h 25mMultiple Airlines
Wed 16/77:00 a.m.YOW - LAX
1 stop9h 00mMultiple Airlines
Deal found 11/6C$ 286
Fri 8/82:00 p.m.LAX - YOW
1 stop7h 21mPorter Airlines
Tue 12/87:00 a.m.YOW - LAX
1 stop9h 00mPorter Airlines
Deal found 12/6C$ 308
Wed 13/812:08 a.m.LAX - YOW
1 stop13h 58mUnited Airlines
Thu 14/87:29 p.m.YOW - LAX
1 stop8h 16mUnited Airlines
Deal found 11/6C$ 310
Mon 15/93:00 p.m.LAX - YOW
2 stops11h 23mWestJet
Thu 18/96:00 a.m.YOW - LAX
1 stop11h 11mWestJet
Deal found 12/6C$ 319
Sat 5/78:05 a.m.LAX - YOW
1 stop9h 10mAir Canada
Wed 9/72:25 p.m.YOW - LAX
1 stop10h 10mAir Canada
Deal found 10/6C$ 347
Fri 31/106:30 p.m.IAD - YOW
1 stop3h 24mPorter Airlines
Mon 3/119:40 a.m.YOW - IAD
1 stop3h 19mPorter Airlines
Deal found 11/6C$ 349
Thu 25/98:45 a.m.LGA - YOW
1 stop5h 06mAir Canada
Fri 26/99:05 a.m.YOW - LGA
1 stop5h 42mAir Canada
Deal found 10/6C$ 357
Thu 25/93:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Mon 29/95:00 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 11/6C$ 362
Thu 25/99:00 a.m.JFK - YOW
1 stop4h 51mAir Canada
Fri 26/95:15 a.m.YOW - JFK
1 stop4h 32mAir Canada
Deal found 10/6C$ 366
Fri 18/71:15 p.m.EWR - YOW
Nonstop1h 41mMultiple Airlines
Sat 19/712:00 p.m.YOW - EWR
Nonstop1h 30mMultiple Airlines
Deal found 11/6C$ 371
Wed 9/76:15 a.m.LGA - YOW
1 stop4h 06mPorter Airlines
Thu 24/711:20 a.m.YOW - LGA
1 stop5h 10mPorter Airlines
Deal found 12/6C$ 371

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 12 June 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

Thu 24/7

6:50 a.m.-12:58 p.m.

1 stop6h 08m

Ottawa

Thu 24/7

4:10 p.m.-5:40 p.m.

Nonstop1h 30m

C$ 264

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 9/7

3:00 p.m.-5:25 a.m.

2 stops11h 25m

Ottawa

Wed 16/7

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

1 stop9h 00m

C$ 286

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 13/8

12:08 a.m.-5:06 p.m.

1 stop13h 58m

Ottawa

Thu 14/8

7:29 p.m.-12:45 a.m.

1 stop8h 16m

C$ 310

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 15/9

3:00 p.m.-5:23 a.m.

2 stops11h 23m

Ottawa

Thu 18/9

6:00 a.m.-2:11 p.m.

1 stop11h 11m

C$ 319

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 5/7

8:05 a.m.-8:15 p.m.

1 stop9h 10m

Ottawa

Wed 9/7

2:25 p.m.-9:35 p.m.

1 stop10h 10m

C$ 347

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 31/10

6:30 p.m.-9:54 p.m.

1 stop3h 24m

Ottawa

Mon 3/11

9:40 a.m.-12:59 p.m.

1 stop3h 19m

C$ 349

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Thu 25/9

8:45 a.m.-1:51 p.m.

1 stop5h 06m

Ottawa

Fri 26/9

9:05 a.m.-2:47 p.m.

1 stop5h 42m

C$ 357

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 25/9

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

Ottawa

Mon 29/9

5:00 p.m.-6:28 p.m.

Nonstop1h 28m

C$ 362

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 16/7

2:00 p.m.-12:21 a.m.

1 stop7h 21m

Ottawa

Tue 22/7

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

1 stop9h 00m

C$ 365

New YorkOttawa

JFK - YOW

JFKYOW

New York John F Kennedy Intl

Thu 25/9

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

1 stop4h 51m

Ottawa

Fri 26/9

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

1 stop4h 32m

C$ 366

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 60 results
1
2
3
...
6

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 12 June 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.

Rainfall in Ottawa by month

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

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

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

If weather is an important factor for your trip to Ottawa, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 12 June 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and Air Transat from USA to Ottawa by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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
7,946 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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
396 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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
2,868 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Food

7.6

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 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$ 122. Users have also found prices from C$ 129 and C$ 130 on WestJet and Air Canada, 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Gatineau
Brockville
Perth
Smiths Falls
Prescott
Pembroke
Wakefield
Lanark

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Pearson Intl flights
Calgary to Pearson Intl flights
Vancouver Intl to Toronto Island flights
Vancouver Intl to Region of Waterloo Intl flights
Vancouver Intl to Hamilton flights
Vancouver Intl to Pierre Elliott Trudeau Intl flights
Abbotsford to Pearson Intl flights
Newark to Pearson Intl flights
Newark to Toronto Island flights
Edmonton to Pearson Intl flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Halifax to Toronto Island flights
Pierre Elliott Trudeau Intl to Pearson Intl flights
Winnipeg to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
Calgary to Hamilton flights
LaGuardia to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Halifax to Hamilton flights
Calgary to Toronto Island flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Calgary to Region of Waterloo Intl flights
Los Angeles to Pearson Intl flights
Halifax to Pearson Intl flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Vancouver Intl to Ottawa flights
Abbotsford to Region of Waterloo Intl flights
Mexico City to Pearson Intl flights
Victoria to Pearson Intl flights
Calgary to Pierre Elliott Trudeau Intl flights
San Francisco to Pearson Intl flights
Boston to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Halifax to Region of Waterloo Intl flights
Saskatoon to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Edmonton to Hamilton flights
Winnipeg to Toronto Island flights
Edmonton to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
Edmonton to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
O'Hare Intl to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Mexico City to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Toronto Island to Ottawa flights

Top 2 airlines flying from USA to Ottawa

Discover the top 2 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 144AverageC$ 525FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 162AverageC$ 637FlexibilityNo cancel feeOn-time67%
Search Air Canada 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.