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C$ 235 Find cheap flights from Ottawa to Washington

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 Washington departing on 10/12. 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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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Washington.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Washington.

Best Washington Flight Deals

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

Seattle
Seattle1 stopC$ 465

Good to know

Low season

January

High season

August

Cheapest flight

C$ 235
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 20% lower on average.
Flight from Ottawa to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from Ottawa to Washington?

    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 Washington.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington from Ottawa 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 Washington?

    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 to Washington with an airline and back to Ottawa with another airline.

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

    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 to Washington from Ottawa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Washington

  • Morning departure is around 32% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Ottawa to Washington

 
See real verified KAYAK customer reviews for airlines flying from Ottawa to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ottawa to Washington? 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.
7.4
Air FranceOverall score based on 1538 reviews
7.0Food
8.1Crew
7.4Comfort
7.0Entertainment
7.4Boarding
Airline reviews

Not a good one this time. The absence of internet without any information/notification ahead was really the unacceptable part. Also this new A350-900 has a serious legroom challenge for economy seats. It’s more like a medium-haul flight legroom configuration.

4.0 OkayCyrille, Nov 2024CDG - LOS
Read more Air France reviews

Not a good one this time. The absence of internet without any information/notification ahead was really the unacceptable part. Also this new A350-900 has a serious legroom challenge for economy seats. It’s more like a medium-haul flight legroom configuration.

Not great , just ok . I expected better food but it did not deliver . Flight staff was ok . The guy at the drop off bag counter was the only saving grace in this whole trip . He was pleasant, friendly and very helpful . You couldn’t ask for a better assistance from him .

There was 2 hours delay before boarding and 2 hours delay after boarding while waiting in the plane

Very good crew. Food service above average. Seats very small for a 12 hours flight.

Boarding was a disaster being moved by Air France by bus to the plane. The plane should have been at the right gate.

Extremely poor. First - and oddly enough, Air France denied access to the Business Class lounge at CDG to all of us - although we were all flying Business Class. It is amazing that an airline denies lounge access to its passengers flying on business and paying several thousand dollars each ticket. Second, the food on Business Class on absolutely horrible. Air France must have made an effort to prepare bad tasting dishes (not even the ice cream was good). Third, the cabin temperature was too hot and although we complained many times, it never got cooler.

A disaster. Air France is a real joke. They overcharge us customers for absolutely nothing. Service was very poor, food was mediocre, entertainment non existent, etc. We paid thousands of dollars for our business class tickets and then we were told in Paris we could not access its lounge. Really Air France ? Congratulations on irritating your customers to the sky high level and ensuring we will do everything in our power to discourage others to travel with you.

At check-in at Guarulhos Airport, I was coerced to pay EUROS 100 for each of my two teenage kids travelling on economy premium on the same flight (total charge of EUROS 200) to AIR FRANCE on the rational that they were on a different class and therefore they would require additional care from the flight crew. My wife and I would be (and actually flew) only a few meters from our kids on business class in the same flight. Air France took EUROS 200 from me in exchange for absolutely nothing. My kids are seasoned travelers and independent, and in any event, they were not given any special or any other assistance or attention by Air France flight crew as result or in connection with the fee charged from me at any given time during the flight to Paris - so ABSOLUTELY NO SERVICE WAS PERFORMED AND THE FEE WAS SIMPLY ANOTHER WAY OF “MILKING “ EXTRA EUROS 200 FROM ME. Worse, Air France made us wait for everyone to deplane in Paris to let us deplane - after an Air France Paris representative ridiculously confirmed that our kids were our kids, with our kids at that time already by our side seating in business class. We almost lost our connection to Malta as a result. Such a scheme from Air France is outrageous – especially because it penalizes its customers flying in business class or in first class. I would have imagined that Air France would have wanted to attract clients to fly its premium classes – not to charge cheap EURO 100 fees and to keep them waiting to deplane with their families after 12 hours flights at their destination. You won’t see us any time soon Air France and best of luck with your strategy !

Flight was late over a hour just like the first one. WiFi was down.

I paid 3 this and dollars for two tickets. No food, minimum drink, confused service and very uncomfortable sear. There was zero difference between busy ness and tourist class. I received a pathetic apology

United airlines was top for my last trip in every way

Horrible; seating was atrocious - inadequate leg room and seat width tight even for a small individual. Profits shouldn’t be everything!

Connection coordination with Star Alliance partner could be better. Lots of check in setup was not interlinked between operators.

There was no room in overhead bin to place our luggage despite we had tree seats. It means a lot of people had more than 1 carry on bags. When I asked a crew member to help she said that it was not her responsibility.

Everything was fantastic. Modern plane. All the amenities! Although the paid snacks and meals are pure robbery. Like i understand airlines need to make money, but 11$ USD for an overnight oats with some nuts in it and barely any pieces of apple.... Highway robbery

The plane used to go to Chicago was a bit outdated and needed a refresh

My connecting gate in .Chicago was across the aisle from my arriving gate. Otherwise I would not have made my connection. So that was very fortunate.

I flew basic economy, so it was what I expected. Crew was nice though, and flight was quick. Would recommend for flights under 6 hours, otherwise would upgrade to something with more leg room.

Never happened, because of the first delayed flight I lost the connection and had to wait overnight and take two flights to reach my destination.

Bad, they delayed my flight, lost my connection flight had to stay overnight for the next flight and missed a lot of important meetings. 1 day totally lost!

The flight was on time and shorter time arrival than planned. I was an ultra basic passenger and understood one personal item on the plane. The announcements of one personal item and zone 9 boarding certainly felt like we were separated from the rest. Actually zone 9 passengers should be boarded second; we are not blocking aisles and can be seated much faster and deboarded faster too.

Still sitting in a hotel when I'm due for work

Delays happen but communication and care were very low on what ended up being a long day.

Never been on a long haul flight that didn't have on flight entertainment. I hope the way back is better !

Very easy boarding. The on board snacks were not good.

They canceled the flight with no reason given they should not be in business

We had a 44 minute layover ( ??? ) to change planes for our flight to SRQ. We landed at Concourse D, and the SRQ plane was located at Concourse B, as we were told in Toronto. We got to "B4" as directed by ( Delta Help ), in less than 10 minutes, only to see the flight we booked to leave at 2:28, was showing "DEPARTED". Back to Delta Help, got an extremely obnoxious and rude clerk who gave use two options, next flight leaving 5:20, on "B12", (STANDBY). or (CONFIRMED), leaving around 8:PM, not sure of the exact time because they took our seat request and gave us another boarding pass minus the exact time. We had been waiting hours for the 5:20 flight and at the very last minute a group appeared and were allowed to board. When the "standby" folks were summoned, several were allowed to board ahead of us, even though we were there much earlier. The clerk, who gave his name as Markus, a black man with a beard, was the most arrogant. rude and condescending individual in existence. When I asked him to repeat his name he said "what did it sound like?". Had I been thinking I would have answered to me it sounded like (markasshole) which is exactly what he was. When we originally got to that gate and asked for advice, he went on and on telling me he could only comment on the flight that was in progress, that ATL was a big airport, and treated us, both, in our 80"s like we were children unable to understand the process, and directly in my face in a loud voice, shouted exactly what we were already aware of. Not one ounce of consideration for our problem, of just trying to get home. When he called out the names of the remaining "standby" people, he left several go before us, even though we were there waiting hours earlier. He called out our names, John and Nubia, looked at us and shouted out that he only had ONE, and with a grin on his face, let another standby board, and told that person that she got the "lucky" last seat, still grinning, meaning we had to wait once again for the later flight. This obviously prejudiced and biased poor excuse of human beings needs to find a job he is better suited for, perhaps dog catcher or janitor, IMHO. This entire fiasco put us home more than 7 hours later than previously indicated on our original and paid for flight schedule. If Kayak continues to offer flights with different concourse locations and with only a 44 minute layover, they might also consider a more reasonable and reliable time frame for layover. It was a horrible experience and considering alternatives to this service is paramount.

Plane was tooo small, making cracking sound felt lime its breaking down. No tv, wifi doesn’t work. Only 2 restroom

Flight was re-scheduled for the next day. No voucher for a hotel offered. Boarding was delayed by almost 1 hour. No free meal or even water was offered on board. When tried to purchase a coke, was denied because they didn’t accept coins less than 1 euro denominations. A young male flight attendant was especially rude and unhelpful.

My connecting flight was switched without proper notice. Spent the night at the airport. Missed my hotel room and rental car due to this inconvenience. Trying to remain positive.

was wondreful! just let me know what airline im flying in advance!

On this flight, we didn't even get water offered, nor any other beverage. Therefore we got a snack of pretzels. Flight was good and Air Canada a good airline

I would realllllly like to have been in a seat closer than row FORTY. Needing assistance - longgg way to walk down and back; then they put me in the middle seat-needing to get up for the window seat passenger to go to the washroom etc.

Everything was seamless. I would have appreciated knowing there would not be any real food available for purchase in advance. Otherwise a great experience. Thank you!

The flight was delayed but at least they let us know early about it (the night before)! Everything after that was smooth!

Our seats were changed 3 times in the final 24 hours, and then my wife and I ended up with two middle seats in different rows. Full flight so no changes could be made at the gate.

Air Canada was on schedule, fast, and took care of me the whole flight. With affordable price, I 100% recommend you fly Air Canada if you are able to.

I book my air canada flight and i am an aeroplan card holder however I was required to pay for my first check-in bag. Terrible experience

Multiple change of the gates at Pearson, delayed flight was extremely uncomfortable.

The flight went very smoothly, the staff was friendly and very helpful and the pilot flew the plane really, really well. Take off, landing were great and a smooth flight in between!

Disappointing. Too many let-downs, in delays and communication, by both Lufthansa and Discover to put in an email. I am resigned to the fact that this is what I should expect from all airlines. Unfortunately.

Crew were professionals. However, the plane seats are too small -essentially there is no space to move around which for so many hours is almost inhuman but certainly unacceptable. Same with the bad quality of food and the fact that you need to purchase Wi-Fi

Sorry, I’m not a fan of United. The seats are just too cramped and uncomfortable if you are traveling very far.

I think it was a United A380 plane. The trip from Munich to Denver was about 12 hours and the preferred economy seat I paid $75 for was very cramped. The crew was nice but I was so uncomfortable and getting up to walk around didn’t really help. My legs were swollen for 4 days afterward. I would think on such a long trip the seats would have more room. I would have gone 1st class but it was 3-4 times more expensive. I won’t fly anywhere far away again. My last experience with Lufthansa was great to Italy and back, but this time I could swear everything was United and not good.

Boarding was total chaos. They didn’t know what they were doing and taking bus to the airplane is like going back in time. The food is bad, portions are very small and we don’t get simple paper napkins! Is it really that bad?

Great crew dealing with the most unprepared family with a million kids and zero sense.

We were disappointed not to be able to buy out preferred seat from date of my original booking, which was about 40 days before the trip. When we arrived in Hannover on the Oct 10 I tried every day and the weed site said I have to wait until ck in, did that and still was not able to. Get to the airport and out seats were separate from each other. The crew was able to get seats together, was not the most comfortable. Don’t understand why this happened.

Actual flight was smooth but we were delayed 70 minutes. Were promised to make it up to us but were given no refreshments

I had handicap and pre board due to a recent broken arm, was made to find my own help placing carry on baggage in the storage above. My tv and entertainment unit did not work correctly, requested help and it took 30 minutes to get help, she did not fix it or come back to see if it was fixed. I went to her a second time and she did another reset, still did not fix.

Did not fly HOU to SAT as flight was cancelled.

Book cheap flights from Ottawa to Washington

Recent round-trip flight deals

 
These are the cheapest round-trip flights from Ottawa to Washington found on KAYAK in the last 72 hours.
20/1Mon
1 stopWestJet
11h 06mYOW-SEA
23/1Thu
2 stopsWestJet
10h 15mSEA-YOW
C$ 465
28/11Thu
1 stopUnited Airlines
10h 01mYOW-PDX
7/12Sat
2 stopsUnited Airlines
16h 01mPDX-YOW
C$ 480
11/12Wed
1 stop
18h 37mYOW-PDX
18/12Wed
1 stop
9h 00mPDX-YOW
C$ 483
6/12Fri
2 stopsUnited Airlines
13h 25mYOW-PDX
15/12Sun
2 stopsUnited Airlines
12h 01mPDX-YOW
C$ 489
11/12Wed
1 stop
17h 47mYOW-SEA
18/12Wed
2 stops
15h 01mSEA-YOW
C$ 503
13/12Fri
1 stop
23h 43mYOW-SEA
17/12Tue
1 stop
22h 00mSEA-YOW
C$ 524
9/1Thu
1 stop
11h 06mYOW-SEA
12/1Sun
1 stop
8h 20mSEA-YOW
C$ 527
11/12Wed
1 stopWestJet
11h 06mYOW-SEA
18/12Wed
1 stopWestJet
30h 31mSEA-YOW
C$ 529
28/11Thu
2 stopsAir Canada
18h 34mYOW-PDX
7/12Sat
2 stopsAir Canada
10h 22mPDX-YOW
C$ 541
18/1Sat
1 stopAir Canada
10h 20mYOW-SEA
21/1Tue
1 stopAir Canada
7h 15mSEA-YOW
C$ 585

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ottawa to Washington found on KAYAK in the last 72 hours.
10/12Tue
1 stopWestJet
11h 06mYOW-SEA
C$ 235
10/12Tue
2 stopsWestJet
21h 11mYOW-SEA
C$ 279
10/12Tue
3 stops
23h 56mYOW-SEA
C$ 296
5/1Sun
1 stop
22h 01mYOW-SEA
C$ 307
7/1Tue
3 stops
54h 52mYOW-SEA
C$ 316
6/1Mon
2 stops
33h 00mYOW-SEA
C$ 338
23/11Sat
1 stopAir Canada
8h 40mYOW-SEA
C$ 358
23/11Sat
2 stopsUnited Airlines
18h 36mYOW-SEA
C$ 365
21/2Fri
3 stopsUnited Airlines
16h 30mYOW-SEA
C$ 377
4/1Sat
1 stopAir Canada
12h 55mYOW-SEA
C$ 541

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Last minute flights from Ottawa to Washington

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ottawa to Washington that are departing in the next 10 days.
18/11Mon
multi-stopWestJet
25h 26mYOW-SEA
28/11Thu
multi-stopWestJet
20h 48mSEA-YOW
C$ 736
18/11Mon
multi-stopWestJet
25h 26mYOW-SEA
28/11Thu
multi-stopWestJet
11h 18mSEA-YOW
C$ 874
18/11Mon
multi-stopAir Canada
10h 30mYOW-SEA
28/11Thu
multi-stopAir Canada
7h 15mSEA-YOW
C$ 906
18/11Mon
multi-stopWestJet
35h 26mYOW-SEA
28/11Thu
multi-stopWestJet
11h 18mSEA-YOW
C$ 913
15/11Fri
multi-stop
8h 46mYOW-SEA
16/11Sat
multi-stop
7h 15mSEA-YOW
C$ 1,129
15/11Fri
multi-stopUnited Airlines
14h 46mYOW-SEA
16/11Sat
multi-stopUnited Airlines
13h 24mSEA-YOW
C$ 1,136
18/11Mon
multi-stopWestJet
19h 46mYOW-SEA
28/11Thu
multi-stopWestJet
26h 35mSEA-YOW
C$ 1,172
18/11Mon
multi-stop
28h 33mYOW-SEA
28/11Thu
multi-stop
11h 18mSEA-YOW
C$ 1,244
18/11Mon
multi-stopWestJet
19h 46mYOW-SEA
28/11Thu
multi-stopWestJet
26h 35mSEA-YOW
C$ 1,268
16/11Sat
multi-stopUnited Airlines
9h 15mYOW-SEA
16/11Sat
multi-stopUnited Airlines
18h 42mSEA-YOW
C$ 1,334

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Everything you need to know for your flight from Ottawa to Washington

Information on your arrival and departure airports