HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$78+ Cheap flights from the United States to Ottawa (YOW)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 4, 2026.

This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:35 pm
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Tue 10/202:10 pm
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 7/30$212
This Vliegwinkel deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:55 am
EWR
-
YOW
1 stop3h 57m
Porter Airlines
Mon 9/79:05 am
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 7/30$214
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:35 pm
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Tue 9/222:10 pm
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 8/2$215
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:40 am
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Tue 9/89:05 am
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 7/31$217
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:35 pm
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Sun 9/69:05 am
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 8/1$219
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:40 am
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Fri 10/162:10 pm
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 7/30$220
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:35 pm
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Sun 9/69:05 am
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Deal found 7/31$223
This Flightnetwork deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
EWR
-
YOW
1 stop3h 24m
Multiple Airlines
Sun 9/69:05 am
YOW
-
EWR
Nonstop1h 35m
Multiple Airlines
Deal found 8/1$224
This FlightHub deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm
BOS
-
YOW
1 stop18h 57m
Porter Airlines
Thu 9/242:20 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/1$224
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sat 9/58:55 pm
YOW
-
BOS
1 stop21h 40m
Porter Airlines
Deal found 8/1$243
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Tue 10/132:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 7/31$253
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:20 pm
BOS
-
YOW
Nonstop1h 24m
Porter Airlines
Thu 9/242:20 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/3$255

Find flight deals from USA to Ottawa

Keep the following information in mind while searching for USA to Ottawa flight deals. Data was last updated August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$212
(Super.com)

One-way from

$78
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$304

Good round-trip deal

$101 or less

Good one-way deal

$105 or less
Provider with most accurate pricing for New York (NYC)-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Ottawa flights.
Search Deals
From USA to Ottawa
Search Deals
One-way flight from USA to Ottawa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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

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 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from the United States to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Fri 10/16

2:35 pm-4:20 pm

Nonstop1h 45m

Ottawa

Tue 10/20

2:10 pm-3:45 pm

Nonstop1h 35m

$258

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 9/16

4:30 pm-9:42 pm

1 stop5h 12m

Ottawa

Sun 9/20

2:20 pm-3:50 pm

Nonstop1h 30m

$264

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 9/16

6:25 am-12:52 pm

1 stop6h 27m

Ottawa

Wed 9/23

2:10 pm-3:45 pm

Nonstop1h 35m

$268

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 8/29

3:55 pm-5:23 pm

Nonstop1h 28m

Ottawa

Wed 9/2

2:30 pm-4:00 pm

Nonstop1h 30m

$305

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 8/27

3:55 pm-5:23 pm

Nonstop1h 28m

Ottawa

Sun 8/30

2:30 pm-4:00 pm

Nonstop1h 30m

$305
Quickest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 9/16

2:20 pm-3:44 pm

Nonstop1h 24m

Ottawa

Wed 9/23

2:20 pm-3:50 pm

Nonstop1h 30m

$305

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/16

7:00 am-11:27 am

1 stop4h 27m

Ottawa

Fri 10/16

2:30 pm-4:00 pm

Nonstop1h 30m

$315

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 9/14

3:55 pm-5:23 pm

Nonstop1h 28m

Ottawa

Mon 9/21

10:40 am-4:46 pm

1 stop6h 06m

$316

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Thu 9/3

6:25 am-1:17 pm

2 stops6h 52m

Ottawa

Tue 9/8

7:30 am-11:45 am

1 stop4h 15m

$319

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Tue 8/25

6:30 am-10:35 am

1 stop4h 05m

Ottawa

Tue 9/1

12:15 pm-3:47 pm

1 stop3h 32m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 60 resultsSorted by cheapest first
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, February is the cheapest month in which you can book a flight from USA to Ottawa (average of $389). Flying from USA to Ottawa in July is currently the most expensive (average of $494). 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 August 4, 2026.

One of the essential ways to save on airfare from USA to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

How often are flights from the United States to Ottawa delayed?

About 20% of weekly flights between United States and Ottawa have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for the United States to Ottawa 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?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to Ottawa flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

How far ahead should I book a flight from USA to Ottawa?

The best time to book flights from USA to Ottawa is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from USA to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from USA to Ottawa. Price data was last updated on April 25, 2026.

Travelers seeking maximum savings on their USA to Ottawa flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for theUnited States to Ottawa flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Ottawa trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Mark Chesnut

Mark Chesnut

Expert on WestJet

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Miquel Ros

Miquel Ros

Expert on Air Transat

Originally from Barcelona, Miquel is an avid traveler fascinated by borders and airplanes, two topics that feature often in this work. Miquel writes regularly about travel and aviation for international media outlets such as CNN and AeroTime and runs Allplane.tv, a site and podcast focusing on innovation and sustainability in the aviation industry.

Read more

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 August 4, 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from the United States to Ottawa 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
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
569 reviews
Porter Airlines
8.0
Very good
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,058 reviews
Porter Airlines
8.0
Very good
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,425 reviews
Porter Airlines
8.0
Very good
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,422 reviews
Porter Airlines
8.0
Very good
450 reviews

Food

7.5

Overall

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from United States. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from USA to Ottawa?

    Airlines like Porter Airlines, Air Canada, and WestJet fly from USA to Ottawa in about 1h 45m. The time it takes to get you to your destination can typically vary by up to 5h 15m. Airlines will cover a distance of 328 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $70. Users have also found prices from $91 and $108 on Porter Airlines and WestJet, respectively.

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

    Most travelers choose Newark - Ottawa, New York LaGuardia - Ottawa or New York John F Kennedy Intl - Ottawa when deciding on the best route from USA to 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, February is the cheapest month in which you can book a flight from USA to Ottawa (average of $389). Flying from USA to Ottawa in July is currently the most expensive (average of $494). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau

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.
Newark to Pearson Intl flights
Newark to Toronto Island flights
Vancouver Intl to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
Reagan-National to Pearson Intl flights
Los Angeles to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Vancouver Intl to Hamilton flights
Dallas/Fort Worth to Pearson Intl flights
Dulles Intl to Toronto Island flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Seattle to Pearson Intl flights
Atlanta to Pearson Intl flights
Abbotsford to Pearson Intl flights
Baltimore to Pearson Intl flights
Boston to Pearson Intl flights
Calgary to Pearson Intl flights
O'Hare Intl to Toronto Island flights
Boston to Toronto Island flights
Orlando to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights
San Diego to Pearson Intl flights
Edmonton to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights

Top 5 airlines flying from USA to Ottawa

Discover the top 5 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 2,558,603 searches. Data last updated August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$111Average$547FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$129Average$396FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$145Average$399FlexibilityNo cancel feeOn-time50%
WestJetCheapest$173Average$395FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$186Average$563FlexibilityNo cancel feeOn-time67%

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.