C$ 145 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 3/11. 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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Flight 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$ 291
Orlando
Orlando1 stopC$ 291
Las Vegas
Las Vegas1 stopC$ 374
New York
Newark1 stopC$ 319
Los Angeles
Los Angeles1 stopC$ 352
Miami
Miami2 stopsC$ 441
San Francisco
San Francisco1 stopC$ 413
Tampa
Tampa1 stopC$ 244
Honolulu
Honolulu2 stopsC$ 438
Chicago
ChicagodirectC$ 453
Fort Myers
Fort Myers1 stopC$ 274
Washington, D.C.
Baltimore1 stopC$ 353
Houston
Houston1 stopC$ 356
Boston
Boston1 stopC$ 337
Seattle
Seattle2 stopsC$ 362
Dallas
Dallas1 stopC$ 374
Nashville
Nashville1 stopC$ 314
San Diego
San Diego1 stopC$ 413
Atlanta
Atlanta1 stopC$ 359
Fort Lauderdale
Fort LauderdaledirectC$ 291
Orlando
Orlando1 stopC$ 291
Las Vegas
Las Vegas1 stopC$ 374
New York
Newark1 stopC$ 319
Los Angeles
Los Angeles1 stopC$ 352
Miami
Miami2 stopsC$ 441
San Francisco
San Francisco1 stopC$ 413
Tampa
Tampa1 stopC$ 244
Honolulu
Honolulu2 stopsC$ 438
Chicago
ChicagodirectC$ 453
Fort Myers
Fort Myers1 stopC$ 274
Washington, D.C.
Baltimore1 stopC$ 353
Houston
Houston1 stopC$ 356
Boston
Boston1 stopC$ 337
Seattle
Seattle2 stopsC$ 362
Dallas
Dallas1 stopC$ 374
Nashville
Nashville1 stopC$ 314
San Diego
San Diego1 stopC$ 413
Atlanta
Atlanta1 stopC$ 359

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

Wed, 25 Feb - Tue, 10 Mar
Porter Airlines Logo
10:00 a.m. - 5:24 p.m.YOW-TPA
7h 24m1 stop
Porter Airlines Logo
2:00 p.m. - 5:10 p.m.TPA-YOW
3h 10mdirect
C$ 244Porter Airlines
Find Deal
Mon, 23 Feb - Mon, 9 Mar
WestJet Logo
5:40 a.m. - 1:21 p.m.YOW-TPA
7h 41m1 stop
WestJet Logo
2:15 p.m. - 12:39 a.m.TPA-YOW
10h 24m1 stop
C$ 254WestJet
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Thu, 8 Jan - Wed, 21 Jan
Air Canada Logo
2:50 p.m. - 9:12 p.m.YOW-TPA
6h 22m1 stop
Air Canada Logo
12:05 p.m. - 5:37 p.m.TPA-YOW
5h 32m1 stop
C$ 291Air Canada
Find Deal
Wed, 15 Oct - Mon, 20 Oct
Porter Airlines Logo
7:00 a.m. - 12:42 p.m.YOW-MCO
5h 42m1 stop
Porter Airlines Logo
1:45 p.m. - 4:57 p.m.MCO-YOW
3h 12mdirect
C$ 291Porter Airlines
Find Deal
Mon, 23 Feb - Mon, 9 Mar
 Logo
10:00 a.m. - 5:24 p.m.YOW-TPA
7h 24m1 stop
 Logo
2:15 p.m. - 12:39 a.m.TPA-YOW
10h 24m1 stop
C$ 303
Find Deal
Tue, 7 Oct - Tue, 14 Oct
 Logo
5:55 a.m. - 4:49 p.m.YOW-FLL
10h 54m1 stop
 Logo
1:50 p.m. - 5:20 p.m.FLL-YOW
3h 30mdirect
C$ 309
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Air Canada Logo
9:05 a.m. - 4:30 p.m.YOW-MCO
7h 25m1 stop
Air Canada Logo
7:00 a.m. - 1:09 p.m.MCO-YOW
6h 09m1 stop
C$ 314Air Canada
Find Deal
Sat, 18 Oct - Wed, 22 Oct
United Airlines Logo
7:29 p.m. - 12:45 a.m.YOW-MCO
5h 16m1 stop
United Airlines Logo
6:00 a.m. - 11:45 a.m.MCO-YOW
5h 45m1 stop
C$ 335United Airlines
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Fri, 24 Oct - Sun, 26 Oct
Air Transat Logo
4:05 p.m. - 5:40 p.m.YOW-EWR
1h 35mdirect
Air Transat Logo
10:55 a.m. - 12:35 p.m.EWR-YOW
1h 40mdirect
C$ 353Air Transat
Find Deal
Wed, 8 Oct - Wed, 15 Oct
United Airlines Logo
6:05 a.m. - 11:34 a.m.YOW-TPA
5h 29m1 stop
United Airlines Logo
12:31 p.m. - 9:35 p.m.TPA-YOW
9h 04m1 stop
C$ 366United Airlines
Find Deal
Booking Insights

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?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United States from Ottawa found in the last 72 hours was to Orlando, at C$ 284 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$ 328.

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$ 494, 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 C$ 349 (return) on average. On the other hand, the most expensive months are December and February, when the average cost of round-trip tickets is C$ 504 and C$ 435 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 Monday and more expensive on a Saturday. On your return trip to Ottawa, you should consider flying back on a Saturday, and avoid Mondays 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 a flight from Ottawa to the United States, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low seasonJune
Cheapest flightC$ 145
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Ottawa to Tampa

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 6% 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$ 303.

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$ 247 one-way - C$ 414 round-trip; Fort Lauderdale C$ 233 one-way - C$ 389 round-trip; Chicago C$ 321 one-way - C$ 614 round-trip

Reviews of the top 5 airlines flying 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.
7.9
Porter AirlinesOverall score based on 363 reviews
7.9Comfort
8.1Boarding
7.6Food
8.6Crew
7.0Entertainment
Airline reviews

Poor landing as we overshot the runway and had to re land the plane. Lost both of my luggage not found as of yet. Had to pay extra money for my luggage in USD, now great my luggage is gone. Will not fly with Porter again.

2.0 MediocreAnonymous, Sep 2025YDF - YHZ
Read more Porter Airlines reviews

Poor landing as we overshot the runway and had to re land the plane. Lost both of my luggage not found as of yet. Had to pay extra money for my luggage in USD, now great my luggage is gone. Will not fly with Porter again.

This flight to St. Johns was really good. Boarding was a breeze. We left spot on time. Seats were actually pretty good. Recliner further than I expected. Three more flights to go we will see if this is the status quo for Porter.👍

I was not happy with AirfareAssist, the agency that kayak advised me would be handling my booking. I was advised by porter airlines that I had been overcharged for the Basic express , a option that I had asked airfare assist to help arrange after I realized that the basic fare I had chosen with porter did not include a carryon. At each checkin porter advised I had been overcharged for this . They advised that money would be refunded to my credit card, however, this is not likely to happen as it is not my name and credit card that appeared on the porter invoice, but that of another individual/agent. When airfare assist was arranging the basic express with porter on my behalf, they asked me to confirm that I agreed to pay $263 USD for this. I did agree, as I was advised this was needed to proceed. When I checked the invoice on the porter website and saw that it was not my name and credit card on the invoice, I was advised that this was how airfareassist processed the payment. The Porter invoice indicated a billed amount of $126USD I will not use Kayak or their designated AirfareAssist again

Our flight was delayed by a bit. I appreciated that we were kept informed on why periodically. Boarding was fine. I overheard one flight attendant sounding very rude to a passenger who was not paying attention to the safety demonstration. The snacks were minimal as it was a short flight. There was no entertainment. Overall the flight was good back to LGA.

The flight was fine see earlier note for the problem

Three hours on the tarmac with almost zero communication from the cockpit. Not when offered a water in the interim. In my 67 years of flying all over the world the worst experience ever. The plane was half empty, however had to pay for seats to sit next to my girlfriend. Extra to take a carry on. I would never fly Porter again even for free.

All good the seats a little tight and no I pad screen

Everything was good except the fact you charge more for a carry on bag vs a check in bag and to top it off in US$ that was not impressive

Our flight was cancelled at the last minute for maintenance reasons and we were rebooked on a late flight when we purposefully booked our flight to be home early due to work.

Seemed like an old plane. Very noisy. The seat cushions were so old that the metal bracing of the seats were poking through. There was plenty of leg room though.

This has been the worst experience I’ve ever had. Basically, I lost my round-trip tickets because one of my last names was missing, and you didn’t allow me to correct it. I had to purchase a full ticket again. Once I get home, I will start legal proceedings against you.

The crew were polite and courteous. The Pilot did an excellent landing. It was very smooth and gentle. My only regret is that I was charged twice for my luggage . The attendant gave me no receipt . I didn't realize until I was about to board. How can this be resolved? Thank you.

Very smooth flights Toronto to Rome and return. Crews were great, food was fine but very narrow seats and limited leg room. Aisle seats on our return helped with a bit more space.

YUL AIRPORT is the worst. 1 Hr to Get out of the plane, 1 Hr To Cross the Border. 1Hr waiting to be pick up curbside. Trafic is ubeliveble.

It’s ok just the boarding point is far too far

Check in slow even though completed online check in, there was no bag drop available so had to query for 90mins as only 2 staff on desks.

Flying to a far away destination is a miracle in itself, so please take these with a grain of salt. The seats are a bit tired, and need a freshen up. The entertainment could be a bit newer, especially with all services available now. The food really is where we need help. But again, flying is a privilege, so all is good.

Not so much porter it's your site! Not good

They are a sister company with Air Transat and the two companies do not work well together. If you have any issues the two companies will blame each other and you will miss your flights. The help line does not help

Never book through a third party. Book through Air transats website. Terrible process to get help and many issues happen with them and sister companies because half the flights you book with them aren’t even through air transat.

Overall, it was good. I was seating next to a wonderful lady and did not notice how time flew. Thanks

My flight was delayed about 1 1/2 hours in Chicago, but other then that it was a good flight.

The experience was great, the crew was very polite and hospitable. I will definitely make if my go to airlines.

It was all good flight was on time, service was good I enjoyed a few movies and everything was smooth

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.

I like how spacious the plane was but I did not like the fact that there was no entertainment

No dogs! Can we have no dogs in the cabin? Why was there a yappy little dog behind me? Lucky I had ear plugs. Sorry for others without

In spite of purchasing premium, I felt it was perhaps the most uncomfortable seat I have flown in. The base was either broken or poorly made and had no support. Even placing pillows and blankets on the seat (1D aisle) didn’t help. It made for a long and mostly sleepless six hour flight. Crew also were very loudly talking to each other through the night making it very hard to sleep. It was purchased for the price, so I get the risk, but was not impressed.

Good value, minor delay due to waiting for inbound plane but they gave accurate information about wait time. Able to switch to a seat by my husband thanks to a kind flight attendant

Absolutely terrible, from the customer service to boarding the plane. On the phone, there was some mishaps with getting in my correct date and they did not help me retrieve a refund or any assistance. I’m gonna be reporting to all my followers and family around the region of Los Angeles to New York.

Arrival at Comox from, London,ON 6 hours later... No bueano

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!

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.

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.

I liked the behaviour of the crew members.The flight was good.

I swear airplane seats keep getting smaller and smaller but everything else was great. Smooth sailing and we got in early.

No food to provide, they forgot that, in some cases, people stay at the airport for hours without food. Now, to provide them with food, they have to ask them to pay, because some don't have money. That way, they can't eat.

After a long flight from Tokyo, our connecting flight home was canceled due to “maintenance” while we were on our layover in Toronto. Very frustrating to close out our honeymoon, although I’m sure others had it even worse during last week’s strike. Air Canada staff at Pearson Airport are the one thing that kept me remotely at peace during this — they were very helpful and deserve a lot of props. But I would not fly Air Canada again.

Horrible flight cancelled had to buy another very expensive ticket

Air Canada marooned me in Canada with no way back home during my summer vacation. I had to buy a last minute flight ticket for over $500 to make it back home. I have their credit card and have flown them for years. Never again.

Flight was cancelled last minute. Had to scramble and purchase a $2000 flight through a separate airlines. Stuck in Toronto two extra days. Missed my first two days on a new job. Had to rent a car for an additional two days. Scrambled to fins a place to live those extra two days. Spent a ton of extra money and lost a lot of money, as well as made a poor impression at work. Difficult difficult difficult

Terrible, return flight was cancelled a night before the flight was scheduled to depart and I was notified by an email and an automated message on their phone line. I’ll never book Air Canada again

Due to the strike by AC flight attendants, my flight was cancelled. Very disappointing! A refund is being processed. This was not a Kayak issue. I will be sure to come back to Kayak in the future.

Biggest problem for me is that I am Star Alliance Gold and they were not able to give me access to to Maple Lounge because of some computer glitch . It was management by information system. She could clearly see my status and still would not give me access because the computer woudl not let her. She should have override that be attentive to a customer and figure rhat out later

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