$252+ Cheap flights from Seattle (SEA) to St. John's (YYT)
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
Cheapest flights from Seattle to St. John'sExplore the most affordable flight options available from Seattle to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Seattle to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:35 pm
SEA
- YYT
2 stops22h 50m
WestJet
Mon 10/123:00 pm
YYT
- SEA
2 stops32h 15m
WestJet
Deal found 7/24![WestJet logo]()
$450
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
- YYT
1 stop30h 40m
WestJet
Tue 9/297:35 am
YYT
- SEA
1 stop15h 40m
WestJet
Deal found 7/25![WestJet logo]()
$471
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 am
SEA
- YYT
1 stop15h 45m
WestJet
Mon 9/283:00 pm
YYT
- SEA
2 stops23h 10m
WestJet
Deal found 7/25![WestJet logo]()
$479
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:30 am
SEA
- YYT
2 stops31h 55m
WestJet
Tue 9/153:00 pm
YYT
- SEA
2 stops23h 10m
WestJet
Deal found 7/21![WestJet logo]()
$486
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 pm
SEA
- YYT
2 stops22h 50m
WestJet
Tue 9/297:35 am
YYT
- SEA
1 stop15h 40m
WestJet
Deal found 7/25![WestJet logo]()
$488
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 am
SEA
- YYT
1 stop15h 45m
WestJet
Sun 9/273:00 pm
YYT
- SEA
2 stops23h 10m
WestJet
Deal found 7/25![WestJet logo]()
$492
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 pm
SEA
- YYT
2 stops22h 50m
WestJet
Mon 9/283:00 pm
YYT
- SEA
2 stops23h 10m
WestJet
Deal found 7/25![WestJet logo]()
$509
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm
SEA
- YYT
1 stop30h 40m
WestJet
Tue 9/293:00 pm
YYT
- SEA
2 stops23h 10m
WestJet
Deal found 7/25![WestJet logo]()
$511
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am
SEA
- YYT
2 stops12h 25m
Delta
Tue 9/293:00 pm
YYT
- SEA
2 stops13h 25m
Delta
Deal found 7/25![Delta logo]()
$537
This WestJet deal was found by Cheapflights users on 7/25. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 am
SEA
- YYT
1 stop15h 45m
WestJet
Fri 9/253:00 pm
YYT
- SEA
2 stops32h 15m
WestJet
Deal found 7/25![WestJet logo]()
$561
Best flights from Seattle to St. John'sDiscover carefully curated flight deals from Seattle to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Seattle to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:35 pm
SEA
- YYT
3 stops22h 50m
Multiple Airlines
Tue 9/156:00 am
YYT
- SEA
3 stops32h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$715
This Air Canada deal was found by Cheapflights users on 7/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:00 am
SEA
- YYT
2 stops10h 58m
Air Canada
Thu 8/2711:05 am
YYT
- SEA
2 stops14h 32m
Air Canada
Deal found 7/22![Air Canada logo]()
$783
This Justfly.com deal was found by Cheapflights users on 7/20. 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.
Sun 8/167:00 am
SEA
- YYT
1 stop31h 05m
WestJet
Sun 8/237:35 am
YYT
- SEA
1 stop15h 40m
WestJet
Deal found 7/20![WestJet logo]()
$795
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 11/157:06 am
SEA
- YYT
2 stops25h 50m
United Airlines
Sat 11/212:30 pm
YYT
- SEA
2 stops25h 27m
United Airlines
Deal found 7/24![United Airlines logo]()
$812
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 am
SEA
- YYT
2 stops20h 55m
Multiple Airlines
Sun 8/236:00 am
YYT
- SEA
3 stops19h 30m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$736
This deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 am
SEA
- YYT
1 stop10h 51m
Air Canada
Wed 10/211:35 pm
YYT
- SEA
1 stop11h 59m
Air Canada
Deal found 7/21![Air Canada logo]()
$818
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Sun 12/68:15 am
SEA
- YYT
2 stops12h 05m
Air Canada
Mon 12/1411:15 am
YYT
- SEA
2 stops14h 14m
Air Canada
Deal found 7/21![Air Canada logo]()
$824
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Tue 8/48:00 am
SEA
- YYT
1 stop13h 21m
Air Canada
Fri 8/215:35 am
YYT
- SEA
2 stops20h 02m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,844
Last-minute flights from Seattle to St. John'sDiscover last-minute flight deals from Seattle to St. John's. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to St. John's. Data last updated July 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 7/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:30 am
SEA
- YYT
1 stop15h 45m
Multiple Airlines
Tue 8/114:00 pm
YYT
- SEA
3 stops31h 15m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$719
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 am
SEA
- YYT
1 stop31h 05m
Multiple Airlines
Sun 8/236:05 am
YYT
- SEA
2 stops19h 25m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$688
This Justfly.com deal was found by Cheapflights users on 7/20. 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.
Sun 8/167:00 am
SEA
- YYT
1 stop31h 05m
WestJet
Sun 8/237:35 am
YYT
- SEA
1 stop15h 40m
WestJet
Deal found 7/20![WestJet logo]()
$795
This WestJet deal was found by Cheapflights users on 7/20. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
SEA
- YYT
2 stops20h 55m
WestJet
Thu 8/277:35 am
YYT
- SEA
1 stop15h 40m
WestJet
Deal found 7/20![WestJet logo]()
$678
This Air Canada deal was found by Cheapflights users on 7/20. 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.
Sun 8/238:00 am
SEA
- YYT
2 stops10h 58m
Air Canada
Thu 8/2711:05 am
YYT
- SEA
2 stops14h 32m
Air Canada
Deal found 7/20![Air Canada logo]()
$773
This WestJet deal was found by Cheapflights users on 7/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:30 am
SEA
- YYT
2 stops17h 25m
WestJet
Thu 9/39:20 am
YYT
- SEA
2 stops13h 55m
WestJet
Deal found 7/24![WestJet logo]()
$619
One-way flights from Seattle to St. John'sSearch for one-way flight options from Seattle to St. John's. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Seattle to St. John's. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:35 pm
SEA
- YYT
2 stops32h 20m
WestJet
Deal found 7/20![WestJet logo]()
$252
This Air Canada deal was found by Cheapflights users on 7/20. 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 8/208:00 am
SEA
- YYT
1 stop10h 51m
Air Canada
Deal found 7/20![Air Canada logo]()
$382
Find flight deals from Seattle to St. John's
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to St. John's (YYT). 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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $450 (oojo) |
One-way from | $252 (oojo) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to St. John's 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 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Seattle to St. John's that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Tue 9/8
7:35 pm-10:55 pm
3 stops22h 50m
St John's
Tue 9/15
6:00 am-9:40 am
3 stops32h 10m
$715
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Sun 8/16
7:00 am-8:25 am
2 stops20h 55m
St John's
Sun 8/23
6:00 am-9:00 pm
3 stops19h 30m
$736
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Sun 8/23
8:00 am-11:28 pm
2 stops10h 58m
St John's
Thu 8/27
11:05 am-9:07 pm
2 stops14h 32m
$783
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Sun 8/16
7:00 am-6:35 pm
1 stop31h 05m
St John's
Sun 8/23
7:35 am-6:45 pm
1 stop15h 40m
$795
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Sun 11/15
7:06 am-1:26 pm
2 stops25h 50m
St John's
Sat 11/21
2:30 pm-11:27 am
2 stops25h 27m
$812
Quickest round-trip
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Thu 10/15
8:00 am-11:21 pm
1 stop10h 51m
St John's
Wed 10/21
1:35 pm-9:04 pm
1 stop11h 59m
$818
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Sun 12/6
8:15 am-12:50 am
2 stops12h 05m
St John's
Mon 12/14
11:15 am-8:59 pm
2 stops14h 14m
$824
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Tue 8/4
8:00 am-1:51 am
1 stop13h 21m
St John's
Fri 8/21
5:35 am-9:07 pm
2 stops20h 02m
$1,844
Cheapest one-way
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Thu 8/20
7:35 pm-8:25 am
2 stops32h 20m
$252
Quickest one-way
SeattleSt. John's
SEA - YYT
SEAYYT
Seattle/Tacoma Intl
Thu 8/20
8:00 am-11:21 pm
1 stop10h 51m
$382
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Seattle-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-St. John's flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-St. John's 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 Seattle-St. John's 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 Seattle to St. John's
Have a flexible travel schedule? Discover the best time to fly to St. John's from Seattle with our price prediction graph.
SEA-YYT
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.
Reviews of airlines servicing St. John's
Get insights into the airlines that provide service to St. John's. 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 St. John's. Reviews last updated July 25, 2026.
Get a feel of what it's like to fly with Air Canada from Seattle to St. John's by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.3
Crew
7.8
Comfort
7.1
Entertainment
6.8
Food
6.3
Overall
7.1
Reviews
1 / 20
8.0
ExcellentDr vandana,Feb 2026
SFO - YYC
Boarding
7.3
Crew
7.8
Comfort
7.1
Entertainment
6.8
Food
6.3
Overall
7.1
Reviews
1 / 20
8.0
ExcellentDr vandana,Feb 2026
SFO - YYC
Related info for your journey
Find useful and relevant information for your journey from Seattle to St. John's. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Seattle and St. John's flights
Browse other Seattle and St. John's flight options. Last updated on July 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Popular flight searches
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Other flights to St. John's
Explore flights to St. John's departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Top airline flying from Seattle to St. John's
Discover the top airline that operate flights from Seattle to St. John's. 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 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$225 | Average$650 | FlexibilityNo cancel fee | On-time67% |