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Cheap flights from Ottawa (YOW) to Seattle (SEA) from $204

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 9/6. 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.
YOW — SEA
jun. 16 — jun. 231
From?
To?
dom. 6/16
dom. 6/23
1 adult, Economy
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The best prices from Ottawa to Seattle/Tacoma Intl are usually found in January or August, booked 12 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Ottawa to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Seattle (SEA). 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 junio 11, 2024.

Popular in

February

Cheapest in

January

Round-trip from

$247

One-way from

$229
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Ottawa to Seattle/Tacoma Intl
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One-way flight from Ottawa to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Ottawa to Seattle?

Sunday flights are found to be more expensive to fly from Ottawa to Seattle. 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 Seattle.

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

Travelers have found it’s best to book a flight 13 days in advance to save up to 176% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 13 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ottawa to Seattle 1-2 weeks in advance for as low as $242, or $675 for flights within the next 24 hours.

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

January is one of the best times of the year to fly to Seattle from Ottawa. Prices for January average $540 per person but you can even find prices for as low as $257. The most expensive prices can be found in the month of February. Opting for a January flight can save you 30% on your journey compared to booking in February

What is the cheapest time of day to fly from YOW to SEA?

One of the essential ways to save on airfare from Ottawa to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

Cheap Ottawa to Seattle flights in June & July 2024

Find cheap flight options from Ottawa to Seattle specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on junio 11, 2024.
The lowest fares we've come across on flights traveling from Ottawa to Seattle in June and July 2024. For more flight deals, be sure to check back very soon.
mié. 7/108:15 pmYOW - SEA
2 stops21h 31mWestJet
mié. 7/176:15 pmSEA - YOW
1 stop9h 37mWestJet
Deal found 6/10$422
jue. 6/277:20 amYOW - SEA
1 stop10h 14mAir Canada
vie. 7/57:05 pmSEA - YOW
1 stop8h 19mAir Canada
Deal found 6/11$423
mié. 7/108:50 amYOW - SEA
2 stops18h 45mMultiple Airlines
mié. 7/177:00 amSEA - YOW
2 stops10h 42mMultiple Airlines
Deal found 6/10$443
jue. 6/277:20 amYOW - SEA
1 stop10h 14mAir Canada
vie. 7/55:50 amSEA - YOW
1 stop7h 51mAir Canada
Deal found 6/10$454
mié. 7/108:50 amYOW - SEA
2 stops18h 45mMultiple Airlines
mié. 7/177:00 amSEA - YOW
3 stops14h 28mMultiple Airlines
Deal found 6/10$455
jue. 6/279:35 pmYOW - SEA
2 stops22h 46mWestJet
vie. 7/53:30 pmSEA - YOW
1 stop20h 01mWestJet
Deal found 6/11$467
lun. 7/87:30 pmYOW - SEA
1 stop19h 00mUnited Airlines
lun. 7/155:00 pmSEA - YOW
2 stops16h 55mUnited Airlines
Deal found 6/10$481
mar. 6/253:25 pmYOW - SEA
2 stops24h 31mWestJet
vie. 7/53:30 pmSEA - YOW
1 stop20h 01mWestJet
Deal found 6/10$483
mié. 7/107:40 amYOW - SEA
3 stops12h 42mMultiple Airlines
mié. 7/177:00 amSEA - YOW
3 stops14h 28mMultiple Airlines
Deal found 6/10$489

Ottawa to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated junio 11, 2024.
The lowest fares we've come across on flights traveling from Ottawa to Seattle in June and July 2024. For more flight deals, be sure to check back very soon.
mié. 8/146:07 amYOW - SEA
3 stops19h 24mMultiple Airlines
mié. 8/287:00 amSEA - YOW
1 stop9h 14mMultiple Airlines
Deal found 6/10$415
mié. 8/147:30 pmYOW - SEA
2 stops15h 32mUnited Airlines
mié. 8/2812:55 pmSEA - YOW
2 stops18h 38mUnited Airlines
Deal found 6/10$421
mié. 7/108:15 pmYOW - SEA
2 stops21h 31mWestJet
mié. 7/176:15 pmSEA - YOW
1 stop9h 37mWestJet
Deal found 6/10$422
jue. 6/277:20 amYOW - SEA
1 stop10h 14mAir Canada
vie. 7/57:05 pmSEA - YOW
1 stop8h 19mAir Canada
Deal found 6/11$423
mar. 10/17:30 pmYOW - SEA
2 stops17h 36mMultiple Airlines
vie. 10/115:50 amSEA - YOW
1 stop7h 59mMultiple Airlines
Deal found 6/10$437
mié. 7/108:50 amYOW - SEA
2 stops18h 45mMultiple Airlines
mié. 7/177:00 amSEA - YOW
2 stops10h 42mMultiple Airlines
Deal found 6/10$443
mar. 10/111:20 amYOW - SEA
2 stops12h 55mMultiple Airlines
vie. 10/1110:40 amSEA - YOW
2 stops11h 53mMultiple Airlines
Deal found 6/10$447
mié. 8/146:07 amYOW - SEA
3 stops19h 24mMultiple Airlines
mié. 8/287:00 amSEA - YOW
2 stops10h 42mMultiple Airlines
Deal found 6/10$451
jue. 6/277:20 amYOW - SEA
1 stop10h 14mAir Canada
vie. 7/55:50 amSEA - YOW
1 stop7h 51mAir Canada
Deal found 6/10$454

Ottawa to Seattle flights leaving soon

Find last-minute flight options from Ottawa to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated junio 11, 2024.
Have a look at some of the flights available from Ottawa to Seattle departing last-minute. Tip: verify your flight details before completing your reservation.
mié. 6/196:09 amYOW - SEA
1 stop9h 47mWestJet
vie. 6/283:30 pmSEA - YOW
1 stop20h 01mWestJet
Deal found 6/10$500
mié. 6/198:50 amYOW - SEA
2 stops14h 19mMultiple Airlines
vie. 6/283:30 pmSEA - YOW
1 stop20h 01mMultiple Airlines
Deal found 6/10$555
mié. 6/198:50 amYOW - SEA
2 stops14h 19mMultiple Airlines
vie. 6/283:30 pmSEA - YOW
3 stops26h 12mMultiple Airlines
Deal found 6/10$573
mié. 6/197:20 amYOW - SEA
3 stops28h 12mMultiple Airlines
vie. 6/283:30 pmSEA - YOW
1 stop20h 01mMultiple Airlines
Deal found 6/10$587
mié. 6/197:20 amYOW - SEA
3 stops28h 12mMultiple Airlines
vie. 6/283:30 pmSEA - YOW
3 stops26h 12mMultiple Airlines
Deal found 6/10$601
mié. 6/196:38 amYOW - SEA
1 stop18h 45mUnited Airlines
jue. 6/2712:30 amSEA - YOW
1 stop13h 34mUnited Airlines
Deal found 6/10$642
mié. 6/196:00 pmYOW - SEA
2 stops17h 02mUnited Airlines
jue. 6/2712:30 amSEA - YOW
1 stop13h 34mUnited Airlines
Deal found 6/10$652
mié. 6/195:26 pmYOW - SEA
2 stops17h 36mMultiple Airlines
jue. 6/2712:30 amSEA - YOW
2 stops9h 43mMultiple Airlines
Deal found 6/10$1,466

One-way flights to Seattle from Ottawa

Search for one-way flight options from Ottawa to Seattle. 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 3,117,830 searches. Data last updated junio 11, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ottawa to Seattle. Users can also find round-trip Ottawa to Seattle flights by using the search form above.
vie. 9/65:25 pmYOW - SEA
1 stop7h 57mUnited Airlines
Deal found 6/10$204
jue. 8/228:00 amYOW - SEA
1 stop15h 21mWestJet
Deal found 6/10$209
mar. 6/256:09 amYOW - SEA
1 stop9h 47mWestJet
Deal found 6/10$211
mar. 6/259:45 pmYOW - SEA
1 stop15h 15mAir Canada
Deal found 6/11$215
lun. 7/153:25 pmYOW - SEA
2 stops28h 57mWestJet
Deal found 6/9$226
lun. 6/249:45 pmYOW - SEA
1 stop15h 15mAir Canada
Deal found 6/10$229
sáb. 8/103:25 pmYOW - SEA
2 stops28h 56mWestJet
Deal found 6/10$235
mar. 6/256:15 amYOW - SEA
2 stops14h 06mWestJet
Deal found 6/10$247
mar. 6/259:10 amYOW - SEA
2 stops11h 11mMultiple Airlines
Deal found 6/10$257

Find flights from Ottawa to Seattle within your budget

Customize your flight search to find flights from Ottawa to Seattle 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 3,117,830 searches. Data last updated junio 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$415 - $478

Route

Depart

Return

Price

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

mié. 8/14

3 stops19h 24m

Seattle/Tacoma Intl

mié. 8/28

1 stop9h 14m

$415

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

mié. 8/14

2 stops15h 32m

Seattle/Tacoma Intl

mié. 8/28

2 stops18h 38m

$421

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

mié. 7/10

2 stops21h 31m

Seattle/Tacoma Intl

mié. 7/17

1 stop9h 37m

$422

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

jue. 6/27

1 stop10h 14m

Seattle/Tacoma Intl

vie. 7/5

1 stop8h 19m

$423

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

mié. 7/10

2 stops18h 45m

Seattle/Tacoma Intl

mié. 7/17

2 stops10h 42m

$443

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

mié. 8/14

3 stops19h 24m

Seattle/Tacoma Intl

mié. 8/28

2 stops10h 42m

$451

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

jue. 6/27

1 stop10h 14m

Seattle/Tacoma Intl

vie. 7/5

1 stop7h 51m

$454

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

jue. 6/27

2 stops22h 46m

Seattle/Tacoma Intl

vie. 7/5

1 stop20h 01m

$467

OttawaSeattle/Tacoma Intl

YOW - SEA

YOWSEA

Ottawa

jue. 8/15

2 stops15h 32m

Seattle/Tacoma Intl

sáb. 8/17

1 stop13h 34m

$478

Flights are sorted by cheapest first

Deals found on 6/10

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Seattle. Price data was last updated on May 31, 2024.
The best time to book flights from Ottawa to Seattle is 12 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

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

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Seattle. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to Seattle flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Ottawa to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Seattle by month

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

SEA

Temperature

41 - 66.2 °F

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated junio 11, 2024.
To help decide which airline to fly from Ottawa to Seattle, see what other customers have to say about Air Canada, WestJet and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,842 reviews

Overall

7.5

Crew

8.1

Food

6.4

Entertainment

6.4

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,842 reviews
WestJet
7.5
Good
2,842 reviews

Overall

7.5

Crew

8.1

Food

6.4

Entertainment

6.4

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

United Airlines
7.4
Good
10,629 reviews
WestJet
7.5
Good
2,842 reviews

Overall

7.5

Crew

8.1

Food

6.4

Entertainment

6.4

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Air Canada
7.0
Good
7,079 reviews
WestJet
7.5
Good
2,842 reviews

Overall

7.5

Crew

8.1

Food

6.4

Entertainment

6.4

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Seattle. 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 Ottawa to Seattle for under $500 on Cheapflights?

    Yes, there are multiple flights from Ottawa to Seattle for under $500. The cheapest flight booked recently is on Multiple Airlines for just $415, but on average you can expect to pay $470.

  • Are there last-minute flights available from Ottawa to Seattle for under $500?

    There are currently 8+ open flights from Ottawa to Seattle within the next 7 days for less than $500.

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

    Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at $421. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at $422 and $423, respectively. United Airlines is currently priced 22% below the average price you’ll pay for this route.

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

    $204 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from $209 and $215, respectively.

  • What does YOW to SEA mean?

    YOW and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YOW to SEA refers to a flight route from Ottawa Airport to Seattle/Tacoma Intl Airport.

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

    The amount of baggage you can bring on your Ottawa to Seattle 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 Ottawa to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Seattle 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 Ottawa to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Seattle 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 Ottawa to Seattle that allow pets onboard?

    Many airlines flying from Ottawa to Seattle 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 Ottawa to Seattle?

    Yes, you can often find last-minute deals on Ottawa to Seattle 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 Ottawa to Seattle flight deals updated?

    The Ottawa to Seattle flight deals you see on this page were last updated on 6/11.

  • What are the most popular airlines that fly from Ottawa to Seattle?

    When booking a flight from Ottawa to Seattle, you may want to consider flying on Air Canada, United Airlines or WestJet as they are the most popular for this route.

  • What is the cheapest month to book a flight from Ottawa to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Seattle (average of $247). Flying from Ottawa to Seattle in July is currently the most expensive (average of $407). 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.

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Alternative routes for Ottawa to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Ottawa to Seattle

Discover the top 3 airlines that operate flights from Ottawa to Seattle. 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 3,117,830 searches. Data last updated junio 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$368Average$494FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$378Average$493FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$482Average$577FlexibilityNo cancel feeOn-time69%
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Search flights from Ottawa to Seattle by cabin class

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