$134 Find Cheap Flights from Ottawa to the United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to the United States departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Best United States Flight Deals from Ottawa

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
New York
Newark1 stop$187
Los Angeles
Los Angeles1 stop$213
Orlando
Orlandononstop$248
Las Vegas
Las Vegas1 stop$268
Miami
Miami1 stop$373
Chicago
Chicago1 stop$300
San Francisco
San Francisco1 stop$291
Boston
Bostonnonstop$294
Washington, D.C.
Washington, D.C.nonstop$249
Denver
Denver1 stop$304
Seattle
Seattle1 stop$358
Fort Lauderdale
Fort Lauderdalenonstop$244
Atlanta
Atlanta1 stop$342
Dallas
Dallas2 stops$392
Tampa
Tampa1 stop$257
Houston
Houston1 stop$384
Honolulu
Honolulu2 stops$364
San Diego
San Diego1 stop$309
Philadelphia
Philadelphia1 stop$394
New York
Newark1 stop$187
Los Angeles
Los Angeles1 stop$213
Orlando
Orlandononstop$248
Las Vegas
Las Vegas1 stop$268
Miami
Miami1 stop$373
Chicago
Chicago1 stop$300
San Francisco
San Francisco1 stop$291
Boston
Bostonnonstop$294
Washington, D.C.
Washington, D.C.nonstop$249
Denver
Denver1 stop$304
Seattle
Seattle1 stop$358
Fort Lauderdale
Fort Lauderdalenonstop$244
Atlanta
Atlanta1 stop$342
Dallas
Dallas2 stops$392
Tampa
Tampa1 stop$257
Houston
Houston1 stop$384
Honolulu
Honolulu2 stops$364
San Diego
San Diego1 stop$309
Philadelphia
Philadelphia1 stop$394

Cheap Flights from Ottawa to the United States

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ottawa to the United States that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to the United States

Thu, Aug 21 - Mon, Aug 25
Porter Airlines Logo
7:00 am - 11:15 amYOW-EWR
4h 15m1 stop
Porter Airlines Logo
3:35 pm - 7:38 pmEWR-YOW
4h 03m1 stop
$187Porter Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
Porter Airlines Logo
11:00 am - 12:30 pmYOW-EWR
1h 30mnonstop
Porter Airlines Logo
5:15 pm - 6:56 pmEWR-YOW
1h 41mnonstop
$191Porter Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
Porter Airlines Logo
7:00 am - 11:15 amYOW-EWR
4h 15m1 stop
Porter Airlines Logo
1:15 pm - 2:56 pmEWR-YOW
1h 41mnonstop
$193Porter Airlines
Find Deal
Wed, Aug 13 - Wed, Aug 20
Air Canada Logo
6:00 am - 9:43 amYOW-EWR
3h 43m1 stop
Air Canada Logo
10:25 am - 1:44 pmEWR-YOW
3h 19m1 stop
$237Air Canada
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Wed, Aug 13 - Wed, Aug 20
Air Canada Logo
6:00 am - 9:30 amYOW-LGA
3h 30m1 stop
Air Canada Logo
7:05 am - 10:24 amLGA-YOW
3h 19m1 stop
$244Air Canada
Find Deal
Tue, Aug 12 - Tue, Aug 26
WestJet Logo
3:35 pm - 9:30 pmYOW-LAS
8h 55m1 stop
WestJet Logo
6:20 pm - 6:45 amLAS-YOW
9h 25m1 stop
$268WestJet
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Tue, Aug 12 - Tue, Aug 26
WestJet Logo
6:10 am - 5:35 pmYOW-LAS
14h 25m2 stops
WestJet Logo
1:25 pm - 6:45 amLAS-YOW
14h 20m2 stops
$272WestJet
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Wed, Oct 15 - Mon, Oct 20
United Airlines Logo
5:15 am - 2:32 pmYOW-MCO
9h 17m2 stops
United Airlines Logo
8:00 am - 6:52 pmMCO-YOW
10h 52m1 stop
$295United Airlines
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Fri, Jul 11 - Sat, Jul 19
United Airlines Logo
2:45 pm - 7:59 pmYOW-LAS
8h 14m1 stop
United Airlines Logo
6:05 am - 4:43 pmLAS-YOW
7h 38m1 stop
$298United Airlines
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Thu, Aug 7 - Sun, Aug 10
Air Transat Logo
5:00 pm - 6:28 pmYOW-BOS
1h 28mnonstop
Air Transat Logo
3:50 pm - 5:18 pmBOS-YOW
1h 28mnonstop
$362Air Transat
Find Deal
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KAYAK's insights & trends for Ottawa to the United States flights

Get data-powered insights and trends into flights from Ottawa to the United States to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Ottawa to the United States flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Ottawa to the United States.

The cheapest ticket to the United States from Ottawa found in the last 72 hours was to New York, at $135 round-trip. The most popular route is from Ottawa (YOW) to Newark Airport (EWR), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $135.

Can I save money by flying with a layover from Ottawa to the United States?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $459, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Ottawa to the United States?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ottawa to the United States, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ottawa to the United States is July, when tickets cost $249 (return) on average. On the other hand, the most expensive months are December and October, when the average cost of round-trip tickets is $313 and $284 respectively.

What’s the cheapest day of the week to fly from Ottawa to United States?

The average price of all round-trip flights from Ottawa to the United States clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to United States on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Ottawa to United States. For your return ticket, we recommend flying on a Sunday and avoiding Fridays for the best deals.

How far in advance should I book a flight from Ottawa to the United States?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ottawa to the United States, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Ottawa to the United States, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.


Good to know

Low seasonSeptember
High seasonMarch
Cheapest flight$134
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Ottawa to Newark Liberty Airport

FAQs - booking United States flights

  • How does KAYAK find such low prices on flights from Ottawa to the United States?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ottawa to the United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ottawa to the United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ottawa to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ottawa to the United States?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ottawa to the United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ottawa to the United States?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ottawa to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to the United States?

    The cheapest time of day to fly to the United States is generally at night, when round-trip flights cost $196 on average. Morning departures are around 8% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $629.

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Ottawa to the following destinations at these prices or less: Newark $157 one-way - $243 round-trip; Washington, D.C. $265 one-way - $378 round-trip; Chicago $220 one-way - $381 round-trip

Reviews of the top 5 airlines serving from Ottawa to the United States

 
Need help choosing which airline to fly with from Ottawa to the United States? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Porter AirlinesOverall score based on 296 reviews
7.0Entertainment
8.7Crew
8.2Boarding
8.1Comfort
7.6Food
Airline reviews

Great! Personable crew. I love that they pour complimentary beer and wine.

10.0 ExcellentSteve, Jun 2025LAS - YOW
Read more Porter Airlines reviews

Great! Personable crew. I love that they pour complimentary beer and wine.

I love the 2 seats per row. More room. The crew were excellent.

It was amazing although they did bump us up to the front which gave us more leg room and a meal. The service was great! The staff were friendly. :)

Overall very good... staff were friendly and helpful. boarding was good for the most part, but a little hard to get our carry-on bags on there.... I think people should be directed to keep their coats and small bags with them until all the carry-ons are loaded, and then, if there is space, they can put their small bags and coats up top.. makes it much easier to put baggage up. i loved the internet feature, but the entertainment was not there unless you have your own Netflix or similar platform. My chair did not recline, which was very annoying, and the arms won't go up near the isle, which makes it tough to get in and out of the seat.

Staff were excellant. Only snacks served. Some turbulence so we were offered Free beer or wine.

The staff is always great. Just the fact that our flight was the only one delayed from Halifax when all other carries were still flying. It happen a year ago out of Toronto as well. All others were flying but our flight got cancelled 1 hr before the time of departure.

The only issue had when i mentioned about comfort was the man beside me was on the larger side and took about 1/3 of my seat where i was pressed against the wall/window of the plane for the trip.

The check-in staff, boarding staff, and flight crew were all very friendly. Really miss the Porter lounge in Ottawa.

Thanks for giving a beer to everyone in the seat infront of me and then telling me that I can’t have one because they are going to land. I guess I need to pay for a seat and then pick one in the very front of the plane

The flight was delayed by more than one hour. The terminal was consequently overcrowded and hot. We lost our car reservation and hit rush hour traffic in Boston, which added two hours stuck in traffic to our trip.

Not necessarily a Transat issue but it took 2 hours to go through immigration. Tried to reach out to Transat for resolution but was unable to reach an agent.

The flight was excellent, once it started, however we were delayed two hours when the first plane’s engines wouldn’t start. They found another identical plane and transferred us and our luggage in under two hours and made up almost an hour in the air.

Really low cost trip for the huge amount I paid…o paid 550 dollars just for the trip, one way trip, plus 95 for 1 luggage’s and the second 135 dollars…no blanket, not headphones for entertainment, food was served after 3 hours and 2 hours after, breakfast was served Bad, low cost company for high prices

The flight and crew were good. Departure and arrival were timely. Check-in was professional and helpful in Malaga on return trip (same on outbound trip from Toronto). The ad before ach program was punishing - specifically for the internet/data service with the content creator that was showed twice in each ad pod. It was so annoying I made an effort to forget the name and would not use the service. Provide an opportunity to fast forward or skip the darn ads once they have been initially viewed.

Extra attention to kids, thank you, we appreciate! Perfect landing

Over the wing seat at emergency exit only downside people using lavatory have no respect and wait in the space

Flight delayed any hour and couple of big gate changes

The pilot came out and chatted with the passengers. He explained why there was a slight delay. The crew was excellent. Very helpful. I had to buy meals for my whole family and they were in different seats, so the crew had to deal with that. They were very pleasant and accommodating and did a great job!

We were unable to land in Liberia. It was not the airline’s fault, but we had to be diverted to SJO.

We had things stolen from our luggage, we also were refused an upgrade on a flight that was not full.

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

Very nice and clean plane. Transit time between flights was tight though

Our flights got changed from United to Air Canada and our purchased seats did not get transferred so we had to pay for seats twice. I brought it up with Air Canada and they stated I had to go back and chase it with United. The united seats were $21 Canadian each and Air Canada were $56 each so we have paid $77 for each seat. Very unhappy

So far so good but food and entertainment are not available for this flight

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

It was my first time with United Airlines and I would say it was very good experience and best of all the flights were on time. Will definitely fly with United Airlines next time.

headphone jack didnt work for the first flight and not much variety

Generally good. However. The flight left 30 mins behind schedule with no reason given.

Flight delayed, missed my pick-up had to Uber, plus missed dinner and medication, so sad!

WestJet canceled my booking, replaced it with a booking that didn't work (departing from cruise ship), and didn't offer any flights that did work. Their only option was for me to cancel and go to another airline for more money. Which I did.

Nothing to like because my inbound flight was cancelled without notification by West Jet or third party, JustFly. I couldn’t take the inbound flight due to cancellation; therefore could not take the outbound flight back.

The seats are totally uncomfortable making the flight less than pleasant. The cookies & pretzels were terrible!!!

Not the greatest experience everything was pretty mediocre. My seat was by the washroom in the aisle and was not located well as everyone past each other people were right in my seat and space.

The small prop plane was crowded and the overhead luggage storage is a smaller than on the jets. Other than that, the crew was good, the flight was on time and the landing was smooth.

There was a medical emergency that the crew handled very well. There was no “entertainment” of any sort-no movie/music/whatever. Food was typical of airlines: mediocre.

Late departure, so I missed connection in Detroit. But Delta gave me a great hotel & breakfast. Just sorry I could not get anything from my checked baggage.

Crew was friendly. Lost our luggage and told us it’d be in later in the evening of the day we returned. It was not. Still after 5 days have not received it.

Staff was very courteous and kept things organized. We will definitely use Air Canada for further travel

In a nutshell, my bag, the one I have to pay for, because now you can’t even bring a carry on, did not make it. I am still waiting for an update. The fact that not only were have to pay for it, but on top of that we are stuck without getting it, it’s ridiculous..

Great flights. 90 minute departure delay for maintenance issues, not a great start but, afer that very good. Didn't pay extra for seats and lucked into a window and an aisle seat. Price was excellent at the super low economy level.

This was an excellent experience for a very short flight.

No space in overhead bin, one cookie, 2 oz of juice - is not customer service.

Just a little improvement on food but everything is excellent

Somebody either kayak or Air Canada booked my flight under my preferred name Betty instead of my legal name and I almost was denied boarding my flight

The ground staff was so rude in Toronto airport ...very rude and did not answer simple questions, and made me look like a fool. Very rude ground staff.

My flight got delayed 5 times and then got cancelled eventually, I had to get a hotel and uber and pay for food for an extra night without any plans. It was a horrible experience, instead of Air Canada, I was flying with United .

I had a nice flight with free wifi. So I was able to message family members and stream music during my flight, which made the trip go by fast. I also enjoyed flying on there Airbus A220. The plane looked very new and it also got up to speed fast down the runway and didn't need much runway to get airborne.

Everything you need to know for your flight from Ottawa to the United States

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