Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to St. John's from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to St. John's departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to St. John's

Cheap round-trip flights

WestJet Logo
8:40 am - 10:56 pmSEA-YYT
33h 46m2 stops
WestJet Logo
3:00 pm - 12:59 pmYYT-SEA
26h 29m2 stops
$333WestJet
Find Deal
Fri, Oct 17 - Sun, Oct 19
WestJet Logo
8:40 am - 6:20 amSEA-YYT
17h 10m1 stop
WestJet Logo
3:00 pm - 12:59 pmYYT-SEA
26h 29m2 stops
$337WestJet
Find Deal
Fri, Oct 17 - Sun, Oct 19
Logo
8:06 am - 6:20 amSEA-YYT
17h 44m1 stop
Logo
7:10 am - 12:59 pmYYT-SEA
10h 19m1 stop
$395
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
3:36 pm - 6:20 amSEA-YYT
10h 14m1 stop
Logo
3:00 pm - 12:59 pmYYT-SEA
26h 29m2 stops
$416
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
8:40 am - 12:17 pmSEA-YYT
23h 07m3 stops
Logo
6:25 pm - 12:59 pmYYT-SEA
23h 04m2 stops
$432
Find Deal
Fri, Oct 17 - Sun, Oct 19
Logo
8:40 am - 6:20 amSEA-YYT
17h 10m1 stop
Logo
6:25 pm - 7:08 pmYYT-SEA
29h 13m1 stop
$445
Find Deal
Fri, Oct 17 - Sun, Oct 19
WestJet Logo
8:40 am - 10:56 pmSEA-YYT
33h 46m2 stops
WestJet Logo
3:00 pm - 12:59 pmYYT-SEA
26h 29m2 stops
$690WestJet
Find Deal
Mon, Oct 13 - Mon, Oct 20
WestJet Logo
8:40 am - 6:20 amSEA-YYT
17h 10m1 stop
WestJet Logo
3:00 pm - 12:59 pmYYT-SEA
26h 29m2 stops
$827WestJet
Find Deal
Mon, Oct 13 - Mon, Oct 20
Air Canada Logo
8:15 am - 11:13 pmSEA-YYT
10h 28m1 stop
Air Canada Logo
5:05 am - 10:16 pmYYT-SEA
21h 41m2 stops
$878Air Canada
Find Deal
Sat, Dec 20 - Mon, Dec 29
Air Canada Logo
8:10 am - 11:33 pmSEA-YYT
10h 53m1 stop
Air Canada Logo
6:35 am - 10:16 pmYYT-SEA
20h 11m1 stop
$888Air Canada
Find Deal
Sat, Dec 20 - Mon, Dec 29

Air Canada flights from Seattle to St. John's

Our best Air Canada deals on Seattle to St. John's flight tickets
Air Canada
Dec 20
SEA8:15 amSeattle/Tacoma Intl
10h 28m
1 stop
YYT11:13 pmSt John's
Dec 29
YYT5:05 amSt John's
21h 41m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$878
Find similar
Air Canada
Dec 20
SEA8:10 amSeattle/Tacoma Intl
10h 53m
1 stop
YYT11:33 pmSt John's
Dec 29
YYT6:35 amSt John's
20h 11m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$888
Find similar

WestJet flights from Seattle to St. John's

Our best WestJet deals on Seattle to St. John's flight tickets
WestJet
Oct 17
SEA8:40 amSeattle/Tacoma Intl
33h 46m
2 stops
YYT10:56 pmSt John's
Oct 19
YYT3:00 pmSt John's
26h 29m
2 stops
SEA12:59 pmSeattle/Tacoma Intl
$333
Find similar
WestJet
Oct 17
SEA8:40 amSeattle/Tacoma Intl
17h 10m
1 stop
YYT6:20 amSt John's
Oct 19
YYT3:00 pmSt John's
26h 29m
2 stops
SEA12:59 pmSeattle/Tacoma Intl
$337
Find similar
WestJet
Oct 13
SEA8:40 amSeattle/Tacoma Intl
33h 46m
2 stops
YYT10:56 pmSt John's
Oct 20
YYT3:00 pmSt John's
26h 29m
2 stops
SEA12:59 pmSeattle/Tacoma Intl
$690
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
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

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 10/17

8:40 am-10:56 pm

2 stops33h 46m

St John's

Sun 10/19

3:00 pm-12:59 pm

2 stops26h 29m

$333

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 10/17

8:40 am-6:20 am

1 stop17h 10m

St John's

Sun 10/19

3:00 pm-12:59 pm

2 stops26h 29m

$337

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 10/13

8:06 am-6:20 am

1 stop17h 44m

St John's

Mon 10/20

7:10 am-12:59 pm

1 stop10h 19m

$395

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 10/13

3:36 pm-6:20 am

1 stop10h 14m

St John's

Mon 10/20

3:00 pm-12:59 pm

2 stops26h 29m

$416

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 10/17

8:40 am-12:17 pm

3 stops23h 07m

St John's

Sun 10/19

6:25 pm-12:59 pm

2 stops23h 04m

$432

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 10/17

8:40 am-6:20 am

1 stop17h 10m

St John's

Sun 10/19

6:25 pm-7:08 pm

1 stop29h 13m

$445

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 10/13

8:40 am-10:56 pm

2 stops33h 46m

St John's

Mon 10/20

3:00 pm-12:59 pm

2 stops26h 29m

$690

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 10/13

8:40 am-6:20 am

1 stop17h 10m

St John's

Mon 10/20

3:00 pm-12:59 pm

2 stops26h 29m

$827

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 12/20

8:15 am-11:13 pm

1 stop10h 28m

St John's

Mon 12/29

5:05 am-10:16 pm

2 stops21h 41m

$878

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 12/20

8:10 am-11:33 pm

1 stop10h 53m

St John's

Mon 12/29

6:35 am-10:16 pm

1 stop20h 11m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to St. John's from

How to get the cheapest flight ticket from Seattle to St. John's

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. John's?

If you aren’t able to travel during the month of May, then book flights to St. John's from Seattle during November instead. Flights to St. John's in November, while not as cheap as those in May, still average around $501.

What is the cheapest day to depart on your flight to St. John's?

Our data shows that Friday is the least expensive day to fly to St. John's. Tickets to fly out on this day can be as low as $580. Flights from Seattle to St. John's on a Sunday will generally be more expensive and average around $791. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. John's?

The cheapest time of day to fly to St. John's is in the afternoon when flights can be purchased for as low as $435. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $726 on average. Flights to St. John's from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Seattle to St. John's flights?

You could potentially save up to 58% on your flight if you consider stops on a Seattle to St. John's flight.

When to book flights from Seattle to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to St. John's according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to St. John's (SEA to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to St. John's

Direct flights

None
There are no direct flights from Seattle to St. John's. There are no popular flight routes from Seattle to St. John's.
Search flight deals

  • How far is Seattle/Tacoma Intl to St John's by plane?

    Seattle/Tacoma Intl and St John's are 3127.4 mi apart from one another. By plane, this route typically takes 10h 14m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to St John's Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to St John's Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to St John's Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to St John's Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to St John's Airport.

  • What documentation or ID do you need to fly to St John's Airport?

    The travel and health documents you'll need for your trip to St John's Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at St John's Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to St. John's?

Best airlines flying from Seattle to St. John's

Compare and see reviews for airlines that fly from Seattle to St. John's with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $371Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom $392Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
WestJetPriceFrom $454Free CancellationRating
7.2
3,091 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to St. John's?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to St. John's. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to St. John's with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. John's from Seattle with this policy.

How can momondo help me find flights from Seattle to St. John's?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. John's from Seattle.

I’m not ready to book a flight from Seattle to St. John's right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. John's from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. John's trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/15
Wed 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada