Find flights
When to book
FAQs

Cheap flights from Seattle to St. John's from C$ 289

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
1 Aug — 8 Aug1
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 2 July 2026.

Wed 9/97:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Wed 7/103:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 27/6C$ 634
Tue 22/97:35 p.m.
SEA
-
YYT
2 stops22h 50m
WestJet
Sat 26/97:35 a.m.
YYT
-
SEA
1 stop15h 40m
WestJet
Deal found 1/7C$ 678
Sun 20/97:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Sat 26/97:35 a.m.
YYT
-
SEA
1 stop15h 40m
WestJet
Deal found 1/7C$ 679
Sun 20/97:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Thu 24/93:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 1/7C$ 699
Tue 14/77:00 a.m.
SEA
-
YYT
2 stops11h 25m
WestJet
Wed 14/103:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 30/6C$ 705
Tue 22/97:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Fri 25/93:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 1/7C$ 709
Mon 21/97:35 p.m.
SEA
-
YYT
2 stops46h 50m
WestJet
Fri 25/93:00 p.m.
YYT
-
SEA
2 stops32h 15m
WestJet
Deal found 1/7C$ 770
Sat 1/87:35 p.m.
SEA
-
YYT
2 stops32h 20m
WestJet
Wed 12/83:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 1/7C$ 786

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 2 July 2026.

Round-trip from

C$ 634

One-way from

C$ 289
WestJet
  • WestJet
  • 9/9-7/10
  • 3 total stops
  • 53h 50m total
  • Seattle to St. John's
Search Deals
WestJet
  • WestJet
  • 6/8
  • 2 total stops
  • 17h 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 2 July 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

7:00 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$ 705

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 29/9

5:50 a.m.-12:33 a.m.

2 stops14h 13m

St John's

Sat 3/10

5:35 a.m.-2:22 p.m.

2 stops13h 17m

C$ 995
Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 14/7

7:20 p.m.-1:00 p.m.

2 stops13h 10m

St John's

Wed 14/10

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

2 stops13h 57m

C$ 1,018

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 21/9

11:04 p.m.-5:08 p.m.

2 stops13h 34m

St John's

Fri 25/9

5:35 a.m.-8:37 p.m.

3 stops19h 32m

C$ 1,158

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 31/7

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

2 stops32h 20m

St John's

Thu 13/8

5:00 p.m.-9:40 a.m.

2 stops21h 10m

C$ 1,329

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 31/7

5:15 p.m.-5:10 p.m.

2 stops19h 25m

St John's

Wed 12/8

5:35 a.m.-11:04 p.m.

2 stops21h 59m

C$ 1,475
Cheapest one-way
Quickest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 6/8

10:30 a.m.-8:25 a.m.

2 stops17h 25m

C$ 289

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 6/8

7:03 a.m.-8:25 a.m.

3 stops20h 52m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 11h 25m. WestJet provides one of the quickest options available for as low as C$ 705. Airlines will cover a distance of 5034 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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

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

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

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 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to St. John's 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.