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St. John's

$236+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Seattle to St. John's

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 March 10, 2026.

This WestJet deal was found by Cheapflights users on 3/6. 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.
Fri 5/17:35 pm
SEA
-
YYT
2 stops22h 50m
WestJet
Sun 5/33:00 pm
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 3/6$425
This WestJet deal was found by Cheapflights users on 3/8. 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.
Wed 4/297:35 pm
SEA
-
YYT
1 stop30h 40m
WestJet
Sun 5/33:00 pm
YYT
-
SEA
2 stops32h 15m
WestJet
Deal found 3/8$519
This FlightHub deal was found by Cheapflights users on 3/5. 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.
Fri 9/47:00 am
SEA
-
YYT
2 stops11h 25m
WestJet
Fri 9/187:35 am
YYT
-
SEA
1 stop30h 35m
WestJet
Deal found 3/5$570
This Air Canada deal was found by Cheapflights users on 3/6. 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.
Fri 9/48:00 am
SEA
-
YYT
1 stop10h 51m
Air Canada
Fri 9/181:35 pm
YYT
-
SEA
1 stop11h 59m
Air Canada
Deal found 3/6$574
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Mon 6/1510:30 am
SEA
-
YYT
1 stop15h 45m
WestJet
Sun 6/217:35 am
YYT
-
SEA
1 stop15h 40m
WestJet
Deal found 3/5$575
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Fri 7/37:35 pm
SEA
-
YYT
1 stop30h 40m
WestJet
Fri 7/109:20 am
YYT
-
SEA
2 stops13h 55m
WestJet
Deal found 3/9$583

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$425
(WestJet)

One-way from

$236
(Trip.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-St John's flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-St John's flights.
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From Seattle/Tacoma Intl to St John's
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One-way flight from Seattle/Tacoma Intl to St John's
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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 March 10, 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

Fri 5/1

10:30 am-6:45 am

1 stop15h 45m

St John's

Sun 5/3

3:00 pm-9:40 am

2 stops23h 10m

$507

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-6:45 am

1 stop30h 40m

St John's

Fri 7/10

7:35 am-6:45 pm

1 stop15h 40m

$620

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 8/17

5:40 am-12:45 am

2 stops14h 35m

St John's

Mon 8/24

6:05 pm-9:52 am

2 stops20h 17m

$629

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 5/1

8:00 am-12:41 am

2 stops12h 11m

St John's

Sun 5/3

8:30 am-9:08 pm

1 stop17h 08m

$648

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 4/29

8:00 am-1:38 am

1 stop13h 08m

St John's

Sun 5/3

1:35 pm-9:08 pm

1 stop12h 03m

$655
Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 8/17

8:00 am-11:21 pm

1 stop10h 51m

St John's

Wed 8/26

1:35 pm-9:07 pm

1 stop12h 02m

$710

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 8/14

11:56 pm-7:00 pm

2 stops14h 34m

St John's

Tue 8/25

2:00 pm-9:35 am

2 stops24h 05m

$720

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 8/14

11:00 am-1:31 am

1 stop10h 01m

St John's

Sat 8/22

5:00 am-11:24 pm

3 stops22h 54m

$720
Cheapest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 4/23

3:10 pm-10:58 pm

2 stops51h 18m

$236
Quickest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/16

8:00 am-11:21 pm

1 stop10h 51m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • 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.
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 March 10, 2026.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
9,409 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
WestJet
7.2
Good
3,288 reviews
United Airlines
7.4
Good
9,409 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,409 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    Airlines like WestJet fly from Seattle to St. John's in about 15h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to St. John's is about 3128 mi.

  • What are the cheapest airlines flying from Seattle to St. John's round-trip?

    Currently priced at $158, United Airlines will fly you from Seattle to St. John's and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and WestJet - these airlines can fly you to your destination from $297 and $435, respectively.

  • 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

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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

Top 3 airlines flying from Seattle to St. John's

Discover the top 3 airlines 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$158Average$435FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$297Average$554FlexibilityNo cancel feeOn-time67%
WestJetCheapest$435Average$564FlexibilityNo cancel feeOn-time60%

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