$202+ Cheap flights from Ottawa (YOW) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SEA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to Seattle
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Cheapest flights from Ottawa to SeattleExplore the most affordable flight options available from Ottawa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Ottawa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Gotogate deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:10 am -
1 stop10h 30m
Wed 12/92:30 pm -
1 stop21h 00m
Deal found 10/25![WestJet logo]()
$486
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
1 stop10h 30m
Mon 11/232:30 pm -
1 stop21h 00m
Deal found 10/21![WestJet logo]()
$489
This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:10 am -
1 stop10h 30m
Wed 12/166:00 am -
1 stop10h 17m
Deal found 10/25![Multiple Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:15 am -
2 stops18h 06m
Sun 1/37:10 pm -
2 stops15h 59m
Deal found 10/21![United Airlines logo]()
$506
This Booking.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
1 stop10h 30m
Thu 11/262:30 pm -
2 stops30h 10m
Deal found 10/21![WestJet logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
2 stops21h 52m
Fri 11/276:10 am -
1 stop29h 22m
Deal found 10/24![Multiple Airlines logo]()
$528
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:10 am -
1 stop10h 30m
Fri 11/272:30 pm -
2 stops30h 10m
Deal found 10/21![WestJet logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:42 pm -
1 stop8h 50m
Thu 2/258:15 am -
1 stop8h 12m
Deal found 10/24![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:15 am -
2 stops14h 42m
Thu 11/2610:50 am -
1 stop7h 26m
Deal found 10/21![United Airlines logo]()
$538
Best flights from Ottawa to SeattleDiscover carefully curated flight deals from Ottawa to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Ottawa to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:15 am -
1 stop16h 23m
Thu 1/2110:52 am -
1 stop7h 31m
Deal found 10/23![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/145:30 am -
2 stops12h 13m
Tue 1/266:00 am -
2 stops14h 40m
Deal found 10/23![Delta logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/196:15 am -
1 stop16h 23m
Mon 1/257:00 am -
1 stop11h 23m
Deal found 10/23![United Airlines logo]()
$496
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:15 am -
2 stops18h 06m
Sun 1/311:44 pm -
1 stop11h 25m
Deal found 10/21![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/152:48 pm -
1 stop9h 17m
Mon 3/2211:59 pm -
1 stop11h 19m
Deal found 10/22![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:30 am -
2 stops11h 47m
Thu 11/268:30 am -
2 stops9h 46m
Deal found 10/21![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:10 pm -
1 stop9h 29m
Thu 11/267:00 am -
1 stop11h 16m
Deal found 10/21![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:00 pm -
1 stop10h 01m
Sat 12/127:00 am -
1 stop11h 16m
Deal found 10/21![United Airlines logo]()
$538
Last-minute flights from Ottawa to SeattleDiscover last-minute flight deals from Ottawa to Seattle. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Seattle. Data last updated October 25, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:10 am -
1 stop10h 30m
Mon 11/162:30 pm -
2 stops30h 10m
Deal found 10/21![WestJet logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:10 am -
1 stop10h 30m
Mon 11/163:41 pm -
1 stop19h 51m
Deal found 10/21![Multiple Airlines logo]()
$559
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:10 am -
1 stop10h 30m
Fri 11/272:30 pm -
2 stops30h 10m
Deal found 10/21![WestJet logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:15 am -
2 stops14h 42m
Thu 11/2610:50 am -
1 stop7h 26m
Deal found 10/21![United Airlines logo]()
$538
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:50 am -
2 stops13h 32m
Fri 11/278:40 am -
2 stops11h 31m
Deal found 10/21![Air Canada logo]()
$562
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
1 stop10h 30m
Mon 11/232:30 pm -
1 stop21h 00m
Deal found 10/21![WestJet logo]()
$489
This Booking.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
1 stop10h 30m
Thu 11/262:30 pm -
2 stops30h 10m
Deal found 10/21![WestJet logo]()
$520
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:10 pm -
1 stop9h 29m
Fri 11/276:30 am -
1 stop12h 26m
Deal found 10/21![United Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
2 stops21h 52m
Fri 11/276:10 am -
1 stop29h 22m
Deal found 10/24![Multiple Airlines logo]()
$528
One-way flights from Ottawa to SeattleSearch for one-way flight options from Ottawa to Seattle. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Ottawa to Seattle. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Justfly.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/166:10 am -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![WestJet logo]()
$202
This Flightnetwork deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:10 am -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![WestJet logo]()
$258
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/217:45 am -
1 stop9h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Air Canada logo]()
$263
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/167:50 am -
2 stops13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Air Canada logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/215:40 pm -
2 stops26h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 am -
3 stops34h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$274
Find 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $404 (FlightHub) |
One-way from | $202 (Justfly.com) |
Popular in | May |
Cheapest in | January |
Average price | $481 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Ottawa to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Tue 2/16
6:10 am-1:40 pm
1 stop10h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$202
Quickest round-trip
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Thu 1/21
7:45 am-2:37 pm
1 stop9h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$263
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Tue 2/16
7:50 am-6:22 pm
2 stops13h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$268
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Sat 12/5
9:45 am-6:24 pm
2 stops11h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$298
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Fri 1/15
6:15 am-7:38 pm
1 stop16h 23m
Seattle/Tacoma Intl
Thu 1/21
10:52 am-9:23 pm
1 stop7h 31m
$496
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Tue 1/19
6:15 am-7:38 pm
1 stop16h 23m
Seattle/Tacoma Intl
Mon 1/25
7:00 am-9:23 pm
1 stop11h 23m
$496
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Thu 1/14
5:30 am-2:43 pm
2 stops12h 13m
Seattle/Tacoma Intl
Tue 1/26
6:00 am-11:40 pm
2 stops14h 40m
$506
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Tue 12/15
6:15 am-9:21 pm
2 stops18h 06m
Seattle/Tacoma Intl
Sun 1/3
11:44 pm-2:09 pm
1 stop11h 25m
$506
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Mon 3/15
2:48 pm-9:05 pm
1 stop9h 17m
Seattle/Tacoma Intl
Mon 3/22
11:59 pm-2:18 pm
1 stop11h 19m
$522
OttawaSeattle
YOW Ottawa - SEA Seattle/Tacoma Intl
YOWSEA
Ottawa
Thu 11/19
10:30 am-7:17 pm
2 stops11h 47m
Seattle/Tacoma Intl
Thu 11/26
8:30 am-9:16 pm
2 stops9h 46m
$538
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Ottawa to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ottawa-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
YOW-SEA
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.
Cheapflights Insights
Everything you need to know about your flight from Ottawa to Seattle
How far ahead should I book a flight from Ottawa to Seattle?
The best time to book flights from Ottawa to Seattle is 9 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.
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 $285). Flying from Ottawa to Seattle in May is currently the most expensive (average of $610). 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.
How much does it cost to fly round-trip from Ottawa to Seattle?
Airfare is typical for this route at the moment.
Ottawa to Seattle flights typically cost between $390 and $646 in January.The cheapest round-trip price found within the last 5 days was $404 on WestJet (Jan 17-Jan 23).
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 October 25, 2026.
Peruse reviews from past customers who have flown with WestJet and Air Canada from Ottawa to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2024
YYZ - MCO
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2024
YYZ - MCO
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2024
YYZ - MCO
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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.
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Ottawa and Seattle flights
Browse other Ottawa and Seattle flight options. Last updated on October 25, 2026.
Other flights from Ottawa
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Top 2 airlines flying from Ottawa to Seattle
Discover the top 2 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$448 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$336 | Average$434 | FlexibilityNo cancel fee | On-time60% |