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St. John's

$423+ Cheap flights from Seattle (SEA) to St. John's (YYT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$423
(Mytrip)

Popular in

April

Cheapest in

August
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
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 3/209:48 amSEA - YYT
2 stops33h 22mMultiple Airlines
Thu 3/279:35 amYYT - SEA
2 stops27h 38mMultiple Airlines
Deal found 2/18$423
This Trip.com deal was found by Cheapflights users on 2/19. 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 6/137:05 amSEA - YYT
1 stop18h 45mWestJet
Fri 6/207:10 amYYT - SEA
1 stop10h 18mWestJet
Deal found 2/19$488
This Air Canada deal was found by Cheapflights users on 2/20. 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 4/67:05 pmSEA - YYT
2 stops13h 34mAir Canada
Sun 4/132:05 pmYYT - SEA
1 stop11h 51mAir Canada
Deal found 2/20$526
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:15 amSEA - YYT
2 stops26h 17mUnited Airlines
Tue 5/65:45 amYYT - SEA
3 stops20h 16mUnited Airlines
Deal found 2/20$625

Find flights from Seattle to St. John's within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

St. John's

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 3/20

9:48 am-11:40 pm

2 stops33h 22m

St John's

Thu 3/27

9:35 am-8:43 am

2 stops27h 38m

$423

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 6/13

7:05 am-6:20 am

1 stop18h 45m

St John's

Fri 6/20

7:10 am-12:58 pm

1 stop10h 18m

$488

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sun 4/6

7:05 pm-1:09 pm

2 stops13h 34m

St John's

Sun 4/13

2:05 pm-9:26 pm

1 stop11h 51m

$526

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/1

6:15 am-1:02 pm

2 stops26h 17m

St John's

Tue 5/6

5:45 am-9:31 pm

3 stops20h 16m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

  • 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.

Travel insights for flights from Seattle to St. John's

Get recent, data-driven insights about flights from Seattle to St. John's including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

WestJet
7.2
Good
2,801 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $512, 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 $526 and $625, respectively. You may be able to fly from Seattle to St. John's for 21% less than the average price by searching for these airlines.

  • 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 May is currently the most expensive (average of $680). 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$347Average$545FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$459Average$715FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$531Average$843FlexibilityNo cancel feeOn-time69%
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