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Cheap flights from Seattle to Ottawa from C$ 278

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. 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.
SEA — YOW
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

The best prices from Seattle/Tacoma Intl to Ottawa are usually found in January or August, booked 35 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 May 2024.

Popular in

April

Cheapest in

January

Average price

C$ 826

Round-trip from

C$ 275
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 10% potential price drop
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Average for round-trip flights in May 2024
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From Seattle/Tacoma Intl to Ottawa
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What is the cheapest day to fly round-trip from Seattle to Ottawa?

Sunday flights are found to be more expensive to fly from Seattle to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

How far in advance should I book a flight from Seattle to Ottawa?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 259% on flights from Seattle to Ottawa compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 696. For sooner than that we have options available in the next 3 days from C$ 1,443.

What is the cheapest month to fly from Seattle to Ottawa?

January is one of the best times of the year to fly to Ottawa from Seattle. Prices for January average C$ 838 per person but you can even find prices for as low as C$ 496. The most expensive prices can be found in the month of April. Opting for a January flight can save you 27% on your journey compared to booking in April

When is the cheapest time to fly from Seattle to Ottawa (SEA - YOW)?

When flying from Seattle to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 3% versus a flight at noon.

Cheap Air Canada flights from Seattle to Ottawa

Explore cheap flight options specifically provided by Air Canada for the route between Seattle and Ottawa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.
Find some of the cheapest Air Canada flights travelling from Seattle to Ottawa. It's recommended that users confirm their flight details before booking.
Sat 31/811:10 p.m.SEA - YOW
1 stop8h 48mAir Canada
Wed 4/95:55 a.m.YOW - SEA
2 stops11h 35mAir Canada
Deal found 14/5C$ 629
Thu 6/65:55 a.m.SEA - YOW
1 stop7h 46mAir Canada
Mon 10/65:00 p.m.YOW - SEA
1 stop7h 58mAir Canada
Deal found 15/5C$ 743
Wed 19/67:05 p.m.SEA - YOW
1 stop8h 14mAir Canada
Thu 27/68:00 p.m.YOW - SEA
1 stop17h 51mAir Canada
Deal found 15/5C$ 774
Sat 31/810:40 a.m.SEA - YOW
1 stop7h 09mAir Canada
Wed 4/95:55 a.m.YOW - SEA
2 stops9h 35mAir Canada
Deal found 15/5C$ 785

Cheap United Airlines flights from Seattle to Ottawa

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Ottawa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Seattle to Ottawa. Deals are refreshing constantly so come back soon for more options.
Sat 31/811:59 p.m.SEA - YOW
1 stop7h 34mUnited Airlines
Wed 4/91:34 p.m.YOW - SEA
1 stop11h 41mUnited Airlines
Deal found 14/5C$ 634
Mon 5/812:30 a.m.SEA - YOW
1 stop13h 34mUnited Airlines
Mon 12/810:00 a.m.YOW - SEA
1 stop17h 49mUnited Airlines
Deal found 15/5C$ 989
Wed 7/812:30 a.m.SEA - YOW
2 stops15h 25mUnited Airlines
Fri 9/86:30 a.m.YOW - SEA
2 stops18h 42mUnited Airlines
Deal found 16/5C$ 1,305

Cheap Seattle to Ottawa flights in May & June 2024

Find cheap flight options from Seattle to Ottawa specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 409,532 searches. Prices were last updated on 16 May 2024.
The lowest fares we've come across on flights travelling from Seattle to Ottawa in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 13/67:00 a.m.SEA - YOW
1 stop20h 57mMultiple Airlines
Sun 16/69:05 a.m.YOW - SEA
1 stop14h 16mMultiple Airlines
Deal found 16/5C$ 659
Thu 13/67:00 a.m.SEA - YOW
1 stop20h 57mWestJet
Sun 16/66:09 a.m.YOW - SEA
2 stops11h 37mWestJet
Deal found 16/5C$ 665
Tue 25/66:15 p.m.SEA - YOW
2 stops17h 16mWestJet
Sun 30/63:25 p.m.YOW - SEA
2 stops24h 31mWestJet
Deal found 15/5C$ 678
Tue 25/66:15 p.m.SEA - YOW
2 stops17h 16mWestJet
Sun 30/68:15 p.m.YOW - SEA
1 stop27h 06mWestJet
Deal found 15/5C$ 687
Thu 13/67:00 a.m.SEA - YOW
2 stops10h 48mWestJet
Sun 16/66:09 a.m.YOW - SEA
2 stops11h 37mWestJet
Deal found 16/5C$ 691
Tue 25/67:00 a.m.SEA - YOW
1 stop8h 20mMultiple Airlines
Sun 30/68:15 p.m.YOW - SEA
1 stop19h 41mMultiple Airlines
Deal found 15/5C$ 693
Sat 18/510:40 a.m.SEA - YOW
1 stop7h 11mAir Canada
Sat 25/55:30 a.m.YOW - SEA
1 stop8h 13mAir Canada
Deal found 15/5C$ 702
Fri 17/57:00 a.m.SEA - YOW
1 stop20h 59mWestJet
Sun 26/56:00 a.m.YOW - SEA
1 stop9h 56mWestJet
Deal found 15/5C$ 715
Thu 6/67:00 a.m.SEA - YOW
1 stop8h 20mMultiple Airlines
Tue 11/69:35 p.m.YOW - SEA
2 stops18h 21mMultiple Airlines
Deal found 15/5C$ 723

Seattle to Ottawa 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Ottawa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.
The lowest fares we've come across on flights travelling from Seattle to Ottawa in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 31/811:10 p.m.SEA - YOW
1 stop8h 48mAir Canada
Wed 4/95:55 a.m.YOW - SEA
2 stops11h 35mAir Canada
Deal found 14/5C$ 629
Sat 31/811:59 p.m.SEA - YOW
1 stop7h 34mUnited Airlines
Wed 4/91:34 p.m.YOW - SEA
1 stop11h 41mUnited Airlines
Deal found 14/5C$ 634
Thu 8/81:50 p.m.SEA - YOW
1 stop7h 47mWestJet
Fri 9/86:07 a.m.YOW - SEA
1 stop9h 49mWestJet
Deal found 16/5C$ 657
Thu 8/81:50 p.m.SEA - YOW
1 stop7h 47mWestJet
Fri 9/86:07 a.m.YOW - SEA
2 stops11h 39mWestJet
Deal found 16/5C$ 658
Thu 13/67:00 a.m.SEA - YOW
1 stop20h 57mMultiple Airlines
Sun 16/69:05 a.m.YOW - SEA
1 stop14h 16mMultiple Airlines
Deal found 16/5C$ 659
Thu 13/67:00 a.m.SEA - YOW
1 stop20h 57mWestJet
Sun 16/66:09 a.m.YOW - SEA
2 stops11h 37mWestJet
Deal found 16/5C$ 665
Tue 25/66:15 p.m.SEA - YOW
2 stops17h 16mWestJet
Sun 30/63:25 p.m.YOW - SEA
2 stops24h 31mWestJet
Deal found 15/5C$ 678
Tue 25/66:15 p.m.SEA - YOW
2 stops17h 16mWestJet
Sun 30/68:15 p.m.YOW - SEA
1 stop27h 06mWestJet
Deal found 15/5C$ 687
Thu 13/67:00 a.m.SEA - YOW
2 stops10h 48mWestJet
Sun 16/66:09 a.m.YOW - SEA
2 stops11h 37mWestJet
Deal found 16/5C$ 691

One-way flights to Ottawa from Seattle

Search for one-way flight options from Seattle to Ottawa. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.
Take a look at some of the one-way flights we've detected from Seattle to Ottawa. Users can also find round-trip Seattle to Ottawa flights by using the search form above.
Thu 6/69:42 p.m.SEA - YOW
2 stops38h 40mMultiple Airlines
Deal found 15/5C$ 278
Sun 28/77:00 a.m.SEA - YOW
2 stops10h 42mWestJet
Deal found 15/5C$ 304
Fri 16/81:50 p.m.SEA - YOW
1 stop7h 47mWestJet
Deal found 15/5C$ 313
Wed 5/67:00 a.m.SEA - YOW
1 stop27h 25mMultiple Airlines
Deal found 15/5C$ 320
Mon 12/81:50 p.m.SEA - YOW
1 stop7h 47mWestJet
Deal found 15/5C$ 323
Thu 8/83:30 p.m.SEA - YOW
2 stops12h 22mWestJet
Deal found 16/5C$ 324
Thu 6/65:55 a.m.SEA - YOW
1 stop7h 46mAir Canada
Deal found 15/5C$ 330
Thu 6/610:40 a.m.SEA - YOW
1 stop7h 11mAir Canada
Deal found 15/5C$ 334
Thu 8/81:50 p.m.SEA - YOW
1 stop14h 02mWestJet
Deal found 16/5C$ 338

Find flights from Seattle to Ottawa within your budget

Customize your flight search to find flights from Seattle to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 629 - C$ 743

Route

Depart

Return

Price

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 31/8

1 stop8h 48m

Ottawa

Wed 4/9

2 stops11h 35m

C$ 629

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 31/8

1 stop7h 34m

Ottawa

Wed 4/9

1 stop11h 41m

C$ 634

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 8/8

1 stop7h 47m

Ottawa

Fri 9/8

1 stop9h 49m

C$ 657

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 8/8

1 stop7h 47m

Ottawa

Fri 9/8

2 stops11h 39m

C$ 658

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 13/6

1 stop20h 57m

Ottawa

Sun 16/6

1 stop14h 16m

C$ 659

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 13/6

1 stop20h 57m

Ottawa

Sun 16/6

2 stops11h 37m

C$ 665

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 25/6

1 stop8h 20m

Ottawa

Sun 30/6

1 stop19h 41m

C$ 693

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 6/6

1 stop8h 20m

Ottawa

Tue 11/6

2 stops18h 21m

C$ 723

Seattle/Tacoma IntlOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 6/6

1 stop7h 46m

Ottawa

Mon 10/6

1 stop7h 58m

C$ 743

Flights are sorted by cheapest first

Deals found on 14/5

When is the best time to book a flight from Seattle to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Ottawa. Price data was last updated on 10 May 2024.
The best time to book flights from Seattle to Ottawa is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Seattle to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Ottawa. Price data was last updated on 12 May 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Ottawa flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Ottawa by month

Plan your trip from Seattle to Ottawa by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Ottawa is currently C$ 318 while a round-trip flight costs C$ 673. Price data was last updated on 12 May 2024.

Currently, September is the cheapest month in which you can book a flight from Seattle to Ottawa (average of C$ 202). Flying from Seattle to Ottawa in March is currently the most expensive (average of C$ 355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 366

February

C$ 379

March

C$ 484

April

C$ 429

May

C$ 368

June

C$ 346

July

C$ 368

August

C$ 357

September

C$ 275

October

C$ 294

November

C$ 379

December

C$ 413

Temperature and rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature and rainfall totals by month.

YOW

Temperature

-10 - 21 °C

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 16 May 2024.
Read reviews from past customers who have flown Air Canada, United Airlines and WestJet from Seattle to Ottawa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,919 reviews
Check prices

Crew

8.2

Food

6.5

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Overall

7.5

Reviews

1 / 10

We had a great experience with the flight back to Toronto and crew were awesome.

WestJet
7.5
Good
2,919 reviews
WestJet
7.5
Good
2,919 reviews
Check prices

Crew

8.2

Food

6.5

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Overall

7.5

Reviews

1 / 10

We had a great experience with the flight back to Toronto and crew were awesome.

United Airlines
7.4
Good
10,924 reviews
WestJet
7.5
Good
2,919 reviews
Check prices

Crew

8.2

Food

6.5

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Overall

7.5

Reviews

1 / 10

We had a great experience with the flight back to Toronto and crew were awesome.

Air Canada
7.0
Good
6,947 reviews
WestJet
7.5
Good
2,919 reviews
Check prices

Crew

8.2

Food

6.5

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Overall

7.5

Reviews

1 / 10

We had a great experience with the flight back to Toronto and crew were awesome.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Ottawa for under C$ 700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Ottawa for under C$ 700. The cheapest flight booked recently is on Air Canada for just C$ 629, but on average you can expect to pay C$ 695.

  • What are the cheapest airlines flying from Seattle to Ottawa round-trip?

    Our cheapest airline available from Seattle to Ottawa is Air Canada. Our recent data shows that you can find tickets from as low as C$ 629 on this airline. Additional options worth looking into are United Airlines and WestJet, starting at C$ 634 and C$ 657 round-trip. Air Canada is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Ottawa one-way?

    C$ 304 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 330 and C$ 377, respectively.

  • What does SEA to YOW mean?

    SEA stands for Seattle/Tacoma Intl Airport, while YOW stands for Ottawa Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Seattle to Ottawa that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Ottawa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Ottawa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Ottawa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Ottawa that include hotel bookings?

    Yes. In addition to deals on Seattle to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Ottawa.

  • Can I find deals for business class flights from Seattle to Ottawa?

    Yes. Cheapflights offers flight deals from Seattle to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Ottawa that allow pets onboard?

    Many airlines flying from Seattle to Ottawa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Ottawa?

    Yes, you can often find last-minute deals on Seattle to Ottawa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Ottawa flight deals updated?

    The Seattle to Ottawa flight deals you see on this page were last updated on 16/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seattle to Ottawa

Discover the top airline that operate flights from Seattle to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 409,532 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 560AverageC$ 761FlexibilityNo cancel feeOn-time67%
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Search flights from Seattle to Ottawa by cabin class

Find flights from Seattle to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Ottawa?

When you search for this flight from Seattle to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Ottawa?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Ottawa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Seattle today and book when prices fit your budget.

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