C$ 173 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 17/6. 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.
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Flights Deals

Best United States Flight Deals from Ottawa

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Fort Lauderdale
Fort LauderdaledirectC$ 336
Orlando
OrlandodirectC$ 320
Las Vegas
Las Vegas1 stopC$ 335
Los Angeles
Los Angeles1 stopC$ 287
New York
NewarkdirectC$ 273
Miami
Miami1 stopC$ 461
San Francisco
San Francisco1 stopC$ 404
Honolulu
Honolulu2 stopsC$ 454
Tampa
Tampa1 stopC$ 364
Chicago
Chicago1 stopC$ 425
Fort Myers
Fort Myers1 stopC$ 329
Washington, D.C.
Washington, D.C.1 stopC$ 406
Seattle
Seattle1 stopC$ 454
Boston
Boston1 stopC$ 352
Nashville
Nashville1 stopC$ 375
Houston
Houston1 stopC$ 489
Dallas
Dallas1 stopC$ 494
San Diego
San Diego1 stopC$ 414
Atlanta
Atlanta1 stopC$ 457
Fort Lauderdale
Fort LauderdaledirectC$ 336
Orlando
OrlandodirectC$ 320
Las Vegas
Las Vegas1 stopC$ 335
Los Angeles
Los Angeles1 stopC$ 287
New York
NewarkdirectC$ 273
Miami
Miami1 stopC$ 461
San Francisco
San Francisco1 stopC$ 404
Honolulu
Honolulu2 stopsC$ 454
Tampa
Tampa1 stopC$ 364
Chicago
Chicago1 stopC$ 425
Fort Myers
Fort Myers1 stopC$ 329
Washington, D.C.
Washington, D.C.1 stopC$ 406
Seattle
Seattle1 stopC$ 454
Boston
Boston1 stopC$ 352
Nashville
Nashville1 stopC$ 375
Houston
Houston1 stopC$ 489
Dallas
Dallas1 stopC$ 494
San Diego
San Diego1 stopC$ 414
Atlanta
Atlanta1 stopC$ 457

Cheap Flight Deals from Ottawa to the United States (YOW-US0)

 
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.

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

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ottawa to the United States.
Discover the best prices for you by selecting your travel dates on KAYAK.
Porter Airlines Logo
11:15 a.m. - 12:45 p.m.YOW-EWR
1h 30mdirect
Porter Airlines Logo
1:15 p.m. - 6:13 p.m.EWR-YOW
4h 58m1 stop
C$ 273Porter Airlines
Find Deal
Tue, 20 May - Sat, 24 May
Porter Airlines Logo
4:10 p.m. - 5:40 p.m.YOW-EWR
1h 30mdirect
Porter Airlines Logo
8:55 a.m. - 12:58 p.m.EWR-YOW
4h 03m1 stop
C$ 275Porter Airlines
Find Deal
Mon, 23 Jun - Tue, 24 Jun
Air Canada Logo
9:05 a.m. - 2:45 p.m.YOW-EWR
5h 40m1 stop
Air Canada Logo
8:20 p.m. - 10:09 p.m.EWR-YOW
1h 49mdirect
C$ 335Air Canada
Find Deal
Wed, 21 May - Tue, 27 May
WestJet Logo
3:45 p.m. - 9:30 p.m.YOW-LAS
8h 45m1 stop
WestJet Logo
11:30 a.m. - 12:41 a.m.LAS-YOW
10h 11m1 stop
C$ 335WestJet
Find Deal
Sat, 14 Jun - Sat, 21 Jun
WestJet Logo
6:00 a.m. - 12:55 p.m.YOW-LAS
9h 55m1 stop
WestJet Logo
6:20 p.m. - 6:45 a.m.LAS-YOW
9h 25m1 stop
C$ 338WestJet
Find Deal
Sun, 18 May - Wed, 28 May
Air Canada Logo
6:00 a.m. - 11:41 a.m.YOW-FLL
5h 41m1 stop
Air Canada Logo
2:54 p.m. - 10:09 p.m.FLL-YOW
7h 15m1 stop
C$ 343Air Canada
Find Deal
Tue, 27 May - Tue, 3 Jun
United Airlines Logo
7:29 p.m. - 12:45 a.m.YOW-MCO
5h 16m1 stop
United Airlines Logo
11:00 a.m. - 5:29 p.m.MCO-YOW
6h 29m1 stop
C$ 383United Airlines
Find Deal
Sat, 24 May - Wed, 28 May
United Airlines Logo
7:29 p.m. - 12:45 a.m.YOW-MCO
5h 16m1 stop
United Airlines Logo
7:30 a.m. - 9:35 p.m.MCO-YOW
14h 05m1 stop
C$ 389United Airlines
Find Deal
Fri, 30 May - Sun, 1 Jun
Air Transat Logo
9:05 a.m. - 11:25 a.m.YOW-LAS
5h 20mdirect
Air Transat Logo
12:20 p.m. - 7:55 p.m.LAS-YOW
4h 35mdirect
C$ 451Air Transat
Find Deal
Sun, 8 Jun - Wed, 11 Jun
Air Transat Logo
3:50 p.m. - 7:35 p.m.YOW-FLL
3h 45mdirect
Air Transat Logo
1:50 p.m. - 5:15 p.m.FLL-YOW
3h 25mdirect
C$ 458Air Transat
Find Deal
Mon, 2 Jun - Mon, 9 Jun
Useful Info

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 Las Vegas, at C$ 259 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 C$ 270.

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 C$ 841, 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 April, when tickets cost C$ 381 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is C$ 540 and C$ 536 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.

Your flight ticket price will generally be cheaper if you fly to United States on a Tuesday and more expensive on a Saturday. On your return trip to Ottawa, you should consider flying back on a Sunday, and avoid Fridays for better 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 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.


Good to know

Low seasonJune
High seasonMarch
Cheapest flightC$ 173
Best time to beat the crowds (0% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from Ottawa to Newark Liberty Airport

Flights from Ottawa to the United States: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Ottawa to the United States 
EdwardFlew with United AirlinesYOW-EWRJun 2024
Have a contingency plan in your back pocket.
Verified travelerFlew with Air CanadaYOW-EWRFeb 2024
Just keep pax informed of what’s going on

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 travellers 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 C$ 159 on average. Morning departures are around 2% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the morning, which is peak travel time and where the average cost of a ticket is C$ 312.

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 C$ 228 one-way - C$ 375 round-trip; Washington, D.C. C$ 293 one-way - C$ 638 round-trip; Chicago C$ 322 one-way - C$ 560 round-trip

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 285 reviews
8.2Boarding
8.8Crew
7.6Food
7.0Entertainment
8.1Comfort
Airline reviews

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

10.0 ExcellentAnonymous, Apr 2025YHZ - YOW
Read more Porter Airlines reviews

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.

Awesome, the whole way through. Thank you, this is the new Canadian Airline benchmark.

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.

When we left, it wasn't Great . People were drinking heavily, very disrespectful Extremely loud, the entire trip. I think the crew members, should have get their attention. Coming back was great.

I sat in the club. The seeds were fantastic. The meal was great and Entertainment was good. The crew was fantastic. I recommend it to everybody.

The food was small portions and not fresh. I was seated at the back of the plane so by the time the cart approached me most of the food options were sold out. The cabin crew was fantastic however.

Great flight and crew. Food isn't free and neither are headphones...

We were in economy class but paid for option Plus which offer you an extra snack after take off, free earplugs & blanket. The crew were very attentive. The comfort however wasn’t great, hard to be comfortable in such restraint place. Wasn’t able to sleep through out the 7hrs flight and was exhausted upon arrival.

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

Plane 3 hours late. Missed connection. No help from gate staff. App horrible. Lost connection repeatedly. No service desk. Finally got help from young girl driving cart.

Not as good as expected Air Can needs to improve totally rated on internet as worst

The flight was delayed, it took longer than anticipated because of weather, and they broke my luggage.

Internet on both flights was sketchy. Thus in flight entertainment was non- existent on MN - Balrimote leg.

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

It took 30 minutes to check in with the Westjet rep. They didn’t have enough seats and she needed to make a call… I am always “randomly” selected to be checked at security. Their “randomly “ selection system may need some updating. They treat people like criminals. It is not appropriate behavior.

Found the seats very crowded—too close together ! And waited a long time for our luggage All staff at both ends were excellent!!!

Flight cancelled and Kayak switched our return flight to a red eye. Ridiculous.

Will never book through you again. Very disappointed in the notices and action taken or provided when planes are rescheduled, enough to cause missed connections

Lost my luggage. Filed a report and there is no response. Received a phone call from another airline that said they had the bag and they did not know what to do with it

Very good over all , would have been nice to have entertainment on the flight

Absolutely the worst airline I have ever taken. They lost my baggage and told me my bag tags had been cancelled. When my bags arrived days later I had to pick them up at 3:15 am. My return flight was delayed another 6 hours and they broke my bag. Westjet does nothing to try and make it a better customer experience and all the customers services representatives I spoke with were useless and incompetent. Never flying westjet again.

Easy self checkin and baggage drop. No in seat entertainment, but wifi and app worked well

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.

They lost my checked in luggage, why do I pay for my cargo not arriving at the same destination as me?

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

Poor planning meant the plane was delayed an hour, then a thunder storm started and the ground staff couldn't work. Eventual arrival in Santiago was 3 hours late resulting in missed connections and the need to buy new tickets.

Ensure prepaid food arrangements are appropriately understood by flight crew of who purchased and who did not

All was fine. Weather was a bit stormy, but nothing kayak can do about that! 😊

I paid for a comfort class seat and was seated in economy.

The take off was delayed as we were told that the baggages had to be rearranged to balance the weight. I only took a carry-on and a personal item, but the overhead bin was extremely small, even a normal size carryon can’t fit it, so they had to check it in for free. The seat was really tight and no entertainment at all.

My plane was cancelled and had to be rebook for the evening was not happy.

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

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