$157 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 1/12. 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.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Washington

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Washington, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Washington, as well as popular online travel agencies
In the last 7 days travelers have searched 41,299,237 times on KAYAK, and here is why:

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Best Washington Flight Deals from Ottawa

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

Seattle
Seattle1 stop$288
Portland
Portland2 stops$303

Good to know

Low season

March

High season

August

Cheapest flight

$157
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 18% 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 from Ottawa to Washington 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 from Ottawa to Washington 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 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 from Ottawa to Washington 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

  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be January, February and March. The cheapest month to fly from Ottawa is October.
  • Morning departure is around 40% 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 3 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
United AirlinesOverall score based on 9043 reviews
8.1Crew
7.1Entertainment
7.7Boarding
7.3Comfort
6.7Food
Airline reviews

HORRIBLE WITH THEIR WEBSITE!!! WORST WEBSITE IN THE WHOLE AIRLINE INDUSTRY

8.0 ExcellentDiego, Dec 2024YUL - EWR
Read more United Airlines reviews

HORRIBLE WITH THEIR WEBSITE!!! WORST WEBSITE IN THE WHOLE AIRLINE INDUSTRY

It was 4 hours late. Almost missed my connecting flight no food or drinks on connecting flight. Overall terrible experience

Cramped seats. Audio jack for the in -flight entertainment was broken.

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.

Very old planes. Seats were not comfortable. Air was not on during the flight leading to incredibly stuffy conditions.

It was so bad experience they wanted just charged passengers for any reason.

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

Service was excellent, but they ran out of food options by the time they got to my seat (row 36).

The idea of needing to go outside in the winter to board in icy cold temperatures is totally a non starter for me. Seats were very uncomfortable though the leg room not too terrible. Attendants were nice

The experience was good. Flight was on time. Liked how they offered to accept carryon baggage for free before as I was checking in online.

3 hours late departure with no explanation. $160 luggage fee (two passengers) for less than 1 hour in the air!

Flight was delayed by 45 min. No problems. Everyone took it in stride.

Crew was friendly and helpful; cabin seemed roomy even in economy class.

The flight attendants that assisted me were exceptionally nice, kind and helpful

Something wrong with the plane so had to deplane and waited over 2 hours to finally leave

AC needs to update their fleet. Too many mechanical issues, dated planes and too many delays

They charge 5 dollars for plastic headphones for a flight of 1 hour! Seats are awful. Service is terrible.

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.
1/13ב'
1 stop
33h 09mYOW-SEA
1/16ה'
2 stops
26h 35mSEA-YOW
$288
1/10ו'
1 stop
33h 09mYOW-SEA
1/20ב'
2 stops
15h 03mSEA-YOW
$297
1/16ה'
1 stopWestJet
11h 06mYOW-SEA
1/30ה'
2 stopsWestJet
15h 03mSEA-YOW
$298
1/14ג'
1 stopWestJet
11h 06mYOW-SEA
1/30ה'
2 stopsWestJet
11h 18mSEA-YOW
$311
3/2א'
1 stopAir Canada
8h 30mYOW-SEA
4/30ד'
1 stopAir Canada
6h 57mSEA-YOW
$349
3/2א'
1 stopAir Canada
8h 30mYOW-SEA
4/28ב'
1 stopAir Canada
8h 17mSEA-YOW
$354
1/9ה'
1 stopUnited Airlines
10h 20mYOW-SEA
1/20ב'
1 stopUnited Airlines
14h 07mSEA-YOW
$362
1/10ו'
2 stopsUnited Airlines
15h 48mYOW-SEA
1/19א'
2 stopsUnited Airlines
13h 24mSEA-YOW
$363
1/7ג'
2 stopsDelta
19h 30mYOW-SEA
1/15ד'
2 stopsDelta
15h 10mSEA-YOW
$525
1/6ב'
2 stopsDelta
19h 30mYOW-SEA
1/14ג'
2 stopsDelta
15h 10mSEA-YOW
$603

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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.
1/12א'
1 stop
17h 47mYOW-SEA
$157
2/3ב'
2 stopsWestJet
21h 11mYOW-SEA
$161
2/3ב'
2 stops
22h 01mYOW-SEA
$169
1/12א'
2 stops
46h 01mYOW-SEA
$171
1/10ו'
1 stop
25h 25mYOW-PDX
$171
2/3ב'
3 stopsWestJet
19h 46mYOW-SEA
$190
2/3ב'
3 stopsWestJet
19h 46mYOW-SEA
$191
2/17ב'
2 stopsUnited Airlines
19h 51mYOW-PDX
$273
1/20ב'
1 stopUnited Airlines
8h 57mYOW-PDX
$275
3/3ב'
1 stopUnited Airlines
8h 35mYOW-PDX
$288

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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.
12/25ד'
multi-stopUnited Airlines
17h 50mYOW-SEA
1/7ג'
multi-stopUnited Airlines
7h 06mSEA-YOW
$541
12/25ד'
multi-stopUnited Airlines
17h 50mYOW-SEA
1/1ד'
multi-stopUnited Airlines
13h 37mSEA-YOW
$546
12/24ג'
multi-stop
11h 06mYOW-SEA
1/2ה'
multi-stop
16h 24mSEA-YOW
$577
12/23ב'
multi-stopDelta
15h 25mYOW-SEA
1/7ג'
multi-stopDelta
15h 10mSEA-YOW
$601
12/24ג'
multi-stop
14h 44mYOW-SEA
1/2ה'
multi-stop
9h 07mSEA-YOW
$607
12/23ב'
multi-stopWestJet
13h 45mYOW-SEA
1/3ו'
multi-stopWestJet
11h 18mSEA-YOW
$613
12/21ש'
multi-stopAir Canada
14h 15mYOW-SEA
1/7ג'
multi-stopAir Canada
7h 15mSEA-YOW
$620
12/22א'
multi-stopWestJet
13h 45mYOW-SEA
12/31ג'
multi-stopWestJet
11h 18mSEA-YOW
$629
12/22א'
multi-stopAir Canada
10h 10mYOW-SEA
1/5א'
multi-stopAir Canada
8h 17mSEA-YOW
$675
12/21ש'
multi-stopDelta
17h 51mYOW-SEA
1/2ה'
multi-stopDelta
14h 35mSEA-YOW
$1,868

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

Information on your arrival and departure airports

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