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Cheap flights from Seattle to St. John's from C$ 184

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to St. John's

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to St. John's
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 20 May 2026.

Thu 27/87:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Mon 31/89:20 a.m.
YYT
-
SEA
2 stops13h 55m
WestJet
Deal found 17/5C$ 380
Sat 5/97:00 a.m.
SEA
-
YYT
2 stops11h 25m
WestJet
Sat 19/93:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 16/5C$ 509
Tue 14/77:35 p.m.
SEA
-
YYT
2 stops22h 50m
WestJet
Wed 14/103:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 16/5C$ 520
Fri 4/910:30 a.m.
SEA
-
YYT
2 stops17h 25m
WestJet
Fri 18/97:35 a.m.
YYT
-
SEA
1 stop15h 40m
WestJet
Deal found 19/5C$ 524

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 20 May 2026.

Round-trip from

C$ 380

One-way from

C$ 184
WestJet
  • WestJet
  • 27/8-31/8
  • 3 total stops
  • 44h 35m total
  • Seattle to St. John's
Search Deals
WestJet
  • WestJet
  • 29/8
  • 2 total stops
  • 11h 25m total
  • Seattle to St. John's
Search Deals

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 629,999 searches. Data last updated 20 May 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

Price

Cheapest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 14/7

7:35 p.m.-10:55 p.m.

2 stops22h 50m

St John's

Wed 14/10

3:00 p.m.-9:40 a.m.

2 stops23h 10m

C$ 520

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 5/9

7:35 p.m.-6:45 a.m.

1 stop30h 40m

St John's

Sat 19/9

3:00 p.m.-9:40 a.m.

2 stops23h 10m

C$ 531

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 27/8

7:35 p.m.-6:45 a.m.

1 stop30h 40m

St John's

Mon 31/8

9:20 a.m.-9:00 p.m.

2 stops16h 10m

C$ 611

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 27/8

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Mon 31/8

1:20 p.m.-9:40 a.m.

3 stops24h 50m

C$ 738
Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 14/7

8:00 a.m.-11:21 p.m.

1 stop10h 51m

St John's

Wed 14/10

1:15 p.m.-10:42 p.m.

2 stops13h 57m

C$ 914

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 15/7

7:00 a.m.-10:55 p.m.

2 stops11h 25m

St John's

Wed 14/10

3:00 p.m.-9:40 a.m.

2 stops23h 10m

C$ 946
Cheapest one-way
Quickest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 29/8

7:00 a.m.-10:55 p.m.

2 stops11h 25m

C$ 184

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/7

8:35 a.m.-1:00 p.m.

2 stops23h 55m

C$ 501

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 29/6

7:54 p.m.-12:45 a.m.

2 stops24h 21m

C$ 501

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 6/7

7:54 p.m.-12:45 a.m.

2 stops24h 21m

C$ 501

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Sorted by cheapest first

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.
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.

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.

  • How long is the flight from Seattle to St. John's?

    A quick flight from Seattle to St. John's can take about 22h 50m. WestJet provides one of the quickest options available for as low as C$ 520. Airlines will cover a distance of 5034 km.

  • Can I find deals for flights from Seattle to St. John's that include hotel bookings?

    Yes. In addition to deals on Seattle to St. John's flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to St. John's?

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

  • Can I find deals for business class flights from Seattle to St. John's?

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to St. John's by adding a car rental and/or hotel reservation to your travel itinerary.
St. John's car rentals
St John's Airport car rentals
Deer Lake car rentals
Gander car rentals
Happy Valley-Goose Bay car rentals
Stephenville car rentals
Wabush car rentals

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to St. John's?

Deals for Seattle to St. John's flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to St. John's?

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Can Cheapflights find flights from Seattle to St. John's with no change fees?

Certainly. Search results for flights to St. John's 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 St. John's become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to St. John's on Cheapflights with our Price Alert feature and get notified when better prices are available.

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