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St. John's

$187+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$367
(Trip.com)

One-way from

$187
(Trip.com)

Popular in

July

Cheapest in

May

Average price

$807
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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Highest demand for flights based on searches. 13% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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.
Fri 8/297:35 pmSEA - YYT
1 stop30h 15mWestJet
Sat 9/67:10 amYYT - SEA
1 stop10h 19mWestJet
Deal found 6/10$367
This Air Canada deal was found by Cheapflights users on 6/10. 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 10/57:15 pmSEA - YYT
2 stops13h 19mAir Canada
Sat 10/185:50 amYYT - SEA
2 stops12h 56mAir Canada
Deal found 6/10$392
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Fri 8/296:17 amSEA - YYT
2 stops31h 43mMultiple Airlines
Sat 9/67:10 amYYT - SEA
1 stop10h 19mMultiple Airlines
Deal found 6/10$410
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1712:20 amSEA - YYT
2 stops19h 48mUnited Airlines
Fri 7/252:10 pmYYT - SEA
1 stop11h 01mUnited Airlines
Deal found 6/11$508

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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to St. John's that are best for you.

Fly from

Seattle

Fly to

St. John's

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 8/29

7:35 pm-6:20 am

1 stop30h 15m

St John's

Sat 9/6

7:10 am-12:59 pm

1 stop10h 19m

$367

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sun 10/5

7:15 pm-1:04 pm

2 stops13h 19m

St John's

Sat 10/18

5:50 am-2:16 pm

2 stops12h 56m

$392

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 8/29

6:17 am-6:30 pm

2 stops31h 43m

St John's

Sat 9/6

7:10 am-12:59 pm

1 stop10h 19m

$410

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/17

12:20 am-12:38 am

2 stops19h 48m

St John's

Fri 7/25

2:10 pm-8:41 pm

1 stop11h 01m

$508

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 8/14

7:35 pm-6:20 am

1 stop30h 15m

$187

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 7/30

12:05 pm-1:31 am

1 stop8h 56m

$196

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 8/14

1:50 pm-5:29 pm

3 stops23h 09m

$211

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/29

12:20 am-12:38 am

2 stops19h 48m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to St. John's

What is the cheapest month to book a flight from Seattle to St. John's?

Currently, January is the cheapest month in which you can book a flight from Seattle to St. John's (average of $464). Flying from Seattle to St. John's in July is currently the most expensive (average of $643). 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.

What is the cheapest time of day to fly from SEA to YYT?

Find hourly flight availability from Seattle to St. John's. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Seattle to St. John's is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 41% on airfare.

Rainfall in St. John's by month

Plan your trip to St. John's by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. John's ranges from 3.6 - 6.5 inches per month. December is typically the wettest month, when rainfall can reach 6.5 in. July is typically the driest time to visit St. John's when rainfall is around 3.6 in.

Temperature in St. John's by month

Plan your trip to St. John's by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. John's, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,868 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,537 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Currently priced at $367, WestJet will fly you from Seattle to St. John's and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $413 and $508, respectively. You may be able to fly from Seattle to St. John's for 43% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to St. John's one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $187. Users have also found prices from $196 and $229 on Air Canada and United Airlines, 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.

  • What is the cheapest month to book a flight from Seattle to St. John's?

    Currently, January is the cheapest month in which you can book a flight from Seattle to St. John's (average of $464). Flying from Seattle to St. John's in July is currently the most expensive (average of $643). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
Portland to St. John's flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$358Average$625FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$371Average$637FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$392Average$716FlexibilityNo cancel feeOn-time67%

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