YOW

$153 Find Cheap Flights from Washington to Ottawa - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ottawa departing on 9/29. 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, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Washington to Ottawa

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Ottawa 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 Washington to Ottawa

Thu, Sep 24 - Mon, Sep 28
WestJet Logo
7:35 pm - 5:35 am
SEA
-
YOW
7h 00m
1 stop
WestJet Logo
12:25 pm - 6:45 pm
YOW
-
SEA
9h 20m
2 stops
$346WestJet
Tue, Sep 15 - Sat, Sep 26
WestJet Logo
7:35 pm - 5:35 am
SEA
-
YOW
7h 00m
1 stop
WestJet Logo
1:20 pm - 6:45 pm
YOW
-
SEA
8h 25m
1 stop
$369WestJet
Thu, Sep 24 - Mon, Sep 28
WestJet Logo
7:35 pm - 5:35 am
SEA
-
YOW
7h 00m
1 stop
WestJet Logo
8:15 pm - 9:40 am
YOW
-
SEA
16h 25m
1 stop
$370WestJet
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
8:15 pm - 5:35 am
SEA
-
YOW
30h 20m
2 stops
Multiple Airlines Logo
1:20 pm - 6:45 pm
YOW
-
SEA
8h 25m
1 stop
$428Multiple Airlines
Sun, Aug 30 - Sat, Oct 3
Multiple Airlines Logo
7:35 pm - 7:50 am
SEA
-
YOW
33h 15m
2 stops
Multiple Airlines Logo
1:20 pm - 6:45 pm
YOW
-
SEA
8h 25m
1 stop
$433Multiple Airlines
Wed, Sep 9 - Fri, Sep 18
Multiple Airlines Logo
7:35 pm - 5:35 am
SEA
-
YOW
7h 00m
1 stop
Multiple Airlines Logo
1:20 pm - 9:42 am
YOW
-
SEA
23h 22m
2 stops
$436Multiple Airlines
Sat, Oct 17 - Sun, Nov 15
Air Canada Logo
5:40 am - 4:23 pm
SEA
-
YOW
7h 43m
1 stop
Air Canada Logo
7:45 am - 2:37 pm
YOW
-
SEA
9h 52m
1 stop
$533Air Canada
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
8:25 am - 11:54 pm
PDX
-
YOW
12h 29m
1 stop
United Airlines Logo
3:10 pm - 10:03 pm
YOW
-
PDX
9h 53m
1 stop
$539United Airlines
Tue, Sep 22 - Thu, Sep 24
United Airlines Logo
10:35 am - 9:35 pm
PDX
-
YOW
8h 00m
1 stop
United Airlines Logo
3:10 pm - 9:27 pm
YOW
-
PDX
9h 17m
1 stop
$539United Airlines
Sun, Aug 23 - Sat, Nov 14
Air Canada Logo
8:00 am - 7:10 pm
SEA
-
YOW
8h 10m
1 stop
Air Canada Logo
7:45 am - 2:37 pm
YOW
-
SEA
9h 52m
1 stop
$543Air Canada
Useful Info

Good to know

Low season

January

Cheapest flight

$153
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Seattle to Ottawa

FAQs for booking flights from Washington to Ottawa

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

    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 Washington to Ottawa.

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

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

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

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

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

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

Ottawa (YOW)