SEA - YOW

$246 Find Cheap Flights from Seattle to Ottawa - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$472
Typical prices: $453-$713
Air Canada
Fri 11/23Sat 12/1
SEA - YOW • 2 stops
Cheapest one-way
$246
Typical prices: $175-$366
WestJet
Mon 11/12
SEA - YOW • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Ottawa. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 41% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg $526 (round-trip)
Vancouver Intl (YVR)
Shortest trip • 8h 13m (one-way)
Insights
Insights
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We hope you love your trip to Ottawa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Ottawa (SEA-YOW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Ottawa

Mon, Nov 23 - Tue, Dec 1
Air Canada Logo
10:10 am - 10:32 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
9h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:00 am - 6:22 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
14h 22m2 stops Toronto Pearson Intl Vancouver Intl
$472Air Canada
Mon, Nov 23 - Tue, Dec 1
Multiple Airlines Logo
10:10 am - 11:11 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
10h 01m2 stops Vancouver Intl Calgary
Multiple Airlines Logo
6:10 am - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$482Multiple Airlines
Sat, Dec 5 - Sun, Dec 13
Multiple Airlines Logo
10:10 am - 10:32 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
9h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:10 am - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$483Multiple Airlines
Sat, Dec 5 - Sun, Dec 13
Air Canada Logo
7:45 am - 7:30 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
8h 45m1 stop Toronto Pearson Intl
Air Canada Logo
2:00 pm - 8:59 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
9h 59m1 stop Toronto Pearson Intl
$489Air Canada
Mon, Nov 23 - Tue, Dec 1
Multiple Airlines Logo
7:45 am - 7:45 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
9h 00m1 stop Toronto Pearson Intl
Multiple Airlines Logo
6:10 am - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$494Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
WestJet Logo
2:30 pm - 2:30 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
21h 00m1 stop Calgary
WestJet Logo
4:15 pm - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
24h 25m1 stop Calgary
$544WestJet
Mon, Nov 23 - Mon, Nov 30
WestJet Logo
2:30 pm - 11:40 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
30h 10m2 stops Calgary Toronto Pearson Intl
WestJet Logo
4:15 pm - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
24h 25m1 stop Calgary
$557WestJet
Wed, Dec 9 - Wed, Dec 16
Air Canada Logo
10:10 am - 10:32 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
9h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 2:37 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
9h 52m1 stop Vancouver Intl
$561Air Canada
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
7:00 am - 9:56 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
11h 56m1 stop Newark
United Airlines Logo
4:36 pm - 10:45 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
9h 09m1 stop Chicago O'Hare Intl
$567United Airlines
Sat, Nov 14 - Mon, Nov 16
United Airlines Logo
7:00 am - 9:16 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
11h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
2:00 pm - 9:47 amYOW  Ottawa-SEA Seattle/Tacoma Intl
22h 47m2 stops Washington, D.C. Dulles Intl Denver Intl
$577United Airlines
Booking Insights

Price, demand and travel trends for Seattle to Ottawa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Ottawa?

Round-trip flights from Seattle to Ottawa typically range from $453 to $713. The lowest price found in the past 5 days was $472, on Air Canada.

What's the cheapest day of the week to fly from Seattle to Ottawa?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Ottawa. It’s 18% cheaper than the average day, while Tuesday is the most expensive, with prices 16% higher.

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Key details for Seattle to Ottawa flights

Low season

March

Cheapest flight

$246
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 69% increase in travelers.
One-way flight from Seattle to Ottawa

When to book flights from Seattle to Ottawa

Are your dates flexible? Find out the best times to travel from Seattle to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Ottawa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Ottawa?

    Two cabin classes are available on flights from Seattle to Ottawa:

    • Economy Class
    • First Class

  • How long is a flight from Seattle to Ottawa?

    A nonstop flight from Seattle to Ottawa takes 00m, covering 2,193 miles.

  • Do I need a passport to fly from Seattle to Ottawa?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seattle to Ottawa flight?

    Round-trip flights from Seattle to Ottawa range from $453 to $713, with an average of $597 over the past 12 months. Anything below $453 counts as a good deal.

  • Have flight prices from Seattle to Ottawa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $449 to $2,452. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Seattle to Ottawa looking right now?

    One-way fares from Seattle to Ottawa are currently in line with typical prices for this route. Average one-way fares are about $254.

  • What car rental options are available at Ottawa Airport (YOW)?

    Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates averaging $42 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Alamo
    • Budget
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from Seattle to Ottawa?

    Flights from Seattle to Ottawa usually depart from Seattle/Tacoma Intl (SEA) and arrive at Ottawa (YOW).

  • Which airports do connecting flights from Seattle to Ottawa pass through?

    One-stop flights from Seattle to Ottawa most commonly connect through:

    • Calgary (YYC) - 48% of one-stop connections
    • Vancouver Intl (YVR) - 20% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 19% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Ottawa?

    Yes. Flexible dates can save you up to 30% on flights from Seattle to Ottawa. Wednesday is the cheapest departure day at $492 round-trip on average, while Tuesday is the most expensive at $694, a difference of $202.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Seattle to Ottawa?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 8h 13m, compared with 8h 18m via Chicago O'Hare Intl (ORD) and 8h 26m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Seattle and Ottawa?

    Ottawa is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are Garden of the Provinces and Territories, Nepean Sportsplex and Major's Hill Park. These are among the most viewed places in Ottawa on KAYAK.

Your guide to booking Seattle to Ottawa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $492, about $202 less than Tuesday fares (29% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Ottawa trip for April. Fares historically average $354 round-trip in that month - typically $370 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ottawa Airport.

    • Hilton Garden Inn Ottawa Airport
    • Hampton Inn by Hilton Ottawa Airport
    • Ramada by Wyndham Ottawa On The Rideau

More options for your flight from Seattle to Ottawa

Complete your trip to Ottawa with a hotel stay or car rental

Car rentals in Ottawa
Hotels in Ottawa
Vacations in Ottawa