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Cheap flights from Seattle to St. John's from C$ 172

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
4 May — 11 May1
1 adult

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 29 April 2025.

Round-trip from

C$ 172

Popular in

April

Cheapest in

December

Average price

C$ 1,139
WestJet
  • WestJet
  • 12/6-19/6
  • 4 total stops
  • 24h 20m total
  • Seattle to St. John's
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 2025.

Thu 12/61:35 p.m.SEA - YYT
2 stops12h 15mWestJet
Thu 19/67:10 a.m.YYT - SEA
2 stops12h 05mWestJet
Deal found 28/4C$ 172
Thu 12/611:35 a.m.SEA - YYT
1 stop9h 24mAir Canada
Thu 19/65:00 a.m.YYT - SEA
1 stop10h 21mAir Canada
Deal found 28/4C$ 489
Thu 17/712:20 a.m.SEA - YYT
2 stops12h 22mUnited Airlines
Fri 25/75:00 a.m.YYT - SEA
1 stop10h 40mUnited Airlines
Deal found 28/4C$ 613
Thu 12/611:35 a.m.SEA - YYT
2 stops23h 49mMultiple Airlines
Thu 19/63:00 p.m.YYT - SEA
3 stops28h 33mMultiple Airlines
Deal found 28/4C$ 700
Thu 1/51:50 p.m.SEA - YYT
1 stop12h 00mDelta
Thu 8/53:00 p.m.YYT - SEA
2 stops13h 17mDelta
Deal found 28/4C$ 1,637

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 29 April 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

Thu 12/6

1:35 p.m.-6:20 a.m.

2 stops12h 15m

St John's

Thu 19/6

7:10 a.m.-2:45 p.m.

2 stops12h 05m

C$ 172

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 12/6

11:35 a.m.-1:29 a.m.

1 stop9h 24m

St John's

Thu 19/6

5:00 a.m.-10:51 a.m.

1 stop10h 21m

C$ 489

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 17/7

12:20 a.m.-5:12 p.m.

2 stops12h 22m

St John's

Fri 25/7

5:00 a.m.-11:10 a.m.

1 stop10h 40m

C$ 613

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 12/6

11:35 a.m.-3:54 p.m.

2 stops23h 49m

St John's

Thu 19/6

3:00 p.m.-3:03 p.m.

3 stops28h 33m

C$ 700

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 18/8

2:05 p.m.-6:20 a.m.

1 stop11h 45m

St John's

Mon 8/9

7:10 a.m.-12:59 p.m.

1 stop10h 19m

C$ 2,766

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 28/5

12:35 p.m.-9:39 p.m.

3 stops28h 34m

C$ 288

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 5/8

7:20 a.m.-12:33 a.m.

1 stop12h 43m

C$ 335

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 28/5

8:25 a.m.-12:28 a.m.

2 stops35h 33m

C$ 427

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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, May is the cheapest month in which you can book a flight from Seattle to St. John's (average of C$ 221). Flying from Seattle to St. John's in December is currently the most expensive (average of C$ 382). 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.

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 92.0 - 165.0 mm per month. December is typically the wettest month, when rainfall can reach 165.0 mm. July is typically the driest time to visit St. John's when rainfall is around 92.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -5.0 C).

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 29 April 2025.
Delta
8.0
Very good
7,929 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,228 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Cheapflights users have booked flights from Seattle to St. John's round-trip from C$ 172. Other airlines that can offer you cheap pricing are Air Canada, from C$ 489, and United Airlines, from C$ 613. WestJet is currently priced 80% below the average price you’ll pay for this route.

  • 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, May is the cheapest month in which you can book a flight from Seattle to St. John's (average of C$ 221). Flying from Seattle to St. John's in December is currently the most expensive (average of C$ 382). 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

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
Wabush car rentals

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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.

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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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