How do I get Price Alerts for flights from Seattle to Saint John?

Price Alerts will notify you by email when the price for flights to Saint John from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Seattle to Saint John with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport are updated daily.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint John Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Saint John Airport.

What documentation or ID do you need to fly to Saint John Airport?

The travel and health documents you'll need for your trip to Saint John 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 Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$644 Cheap Flights from Seattle to Saint John in 2025/26

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0 bags

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Find the cheapest flights from Seattle to Saint John

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 am - 11:29 pm

SEA

YSJ

13h 39m2 stops

5:40 am - 10:06 pm

YSJ

SEA

20h 26m2 stops

$644Air Canada

Sat, Jan 17 - Wed, Jan 21

8:00 pm - 10:39 am

SEA

YSJ

10h 39m2 stops

11:30 am - 10:16 pm

YSJ

SEA

14h 46m1 stop

$656Air Canada

Sat, Jan 17 - Wed, Jan 21

8:10 am - 10:39 am

SEA

YSJ

22h 29m1 stop

11:30 am - 10:16 pm

YSJ

SEA

14h 46m1 stop

$687Air Canada

Sat, Jan 17 - Wed, Jan 21

5:40 am - 11:52 pm

SEA

YSJ

14h 12m2 stops

5:40 am - 10:32 am

YSJ

SEA

8h 52m1 stop

$895Air Canada

Fri, Jun 5 - Mon, Jun 29

5:40 am - 11:52 pm

SEA

YSJ

14h 12m2 stops

12:20 pm - 10:22 pm

YSJ

SEA

14h 02m2 stops

$901Air Canada

Fri, Jun 5 - Mon, Jun 29

12:40 pm - 3:40 pm

SEA

YSJ

23h 00m3 stops

4:15 pm - 11:41 am

YSJ

SEA

23h 26m2 stops

$944United Airlines

Sat, Jan 17 - Wed, Jan 21

11:15 am - 11:52 pm

SEA

YSJ

8h 37m1 stop

5:40 am - 10:32 am

YSJ

SEA

8h 52m1 stop

$1,080Air Canada

Fri, Jun 5 - Mon, Jun 29

11:44 am - 3:50 pm

SEA

YSJ

24h 06m3 stops

12:20 pm - 12:05 am

YSJ

SEA

15h 45m2 stops

$1,112United Airlines

Sat, Jun 6 - Tue, Jun 30

Air Canada flights from Seattle to Saint John

Our best Air Canada deals on Seattle to Saint John flight tickets

Air Canada

Jan 17

SEA5:50 amSeattle/Tacoma Intl

13h 39m

2 stops

YSJ11:29 pmSaint John

Jan 21

YSJ5:40 amSaint John

20h 26m

2 stops

SEA10:06 pmSeattle/Tacoma Intl

$644

Find similar

Air Canada

Jan 17

SEA5:50 amSeattle/Tacoma Intl

13h 39m

2 stops

YSJ11:29 pmSaint John

Jan 21

YSJ5:40 amSaint John

17h 36m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

$655

Find similar

Air Canada

Jan 17

SEA8:00 pmSeattle/Tacoma Intl

10h 39m

2 stops

YSJ10:39 amSaint John

Jan 21

YSJ11:30 amSaint John

14h 46m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$656

Find similar

United Airlines flights from Seattle to Saint John

Our best United Airlines deals on Seattle to Saint John flight tickets

United Airlines

Jan 17

SEA12:40 pmSeattle/Tacoma Intl

23h 00m

3 stops

YSJ3:40 pmSaint John

Jan 21

YSJ4:15 pmSaint John

23h 26m

2 stops

SEA11:41 amSeattle/Tacoma Intl

$944

Find similar

United Airlines

Jan 17

SEA12:40 pmSeattle/Tacoma Intl

23h 00m

3 stops

YSJ3:40 pmSaint John

Jan 21

YSJ4:15 pmSaint John

23h 26m

2 stops

SEA11:41 amSeattle/Tacoma Intl

$955

Find similar

United Airlines

Jun 6

SEA11:44 amSeattle/Tacoma Intl

24h 06m

3 stops

YSJ3:50 pmSaint John

Jun 30

YSJ12:20 pmSaint John

15h 45m

2 stops

SEA12:05 amSeattle/Tacoma Intl

$1,112

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 1/17

5:50 am-11:29 pm

2 stops13h 39m

Saint John

Wed 1/21

5:40 am-10:06 pm

2 stops20h 26m

$644

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 1/17

8:00 pm-10:39 am

2 stops10h 39m

Saint John

Wed 1/21

11:30 am-10:16 pm

1 stop14h 46m

$656

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 1/17

8:10 am-10:39 am

1 stop22h 29m

Saint John

Wed 1/21

11:30 am-10:16 pm

1 stop14h 46m

$687

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Fri 6/5

5:40 am-11:52 pm

2 stops14h 12m

Saint John

Mon 6/29

5:40 am-10:32 am

1 stop8h 52m

$895

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Fri 6/5

5:40 am-11:52 pm

2 stops14h 12m

Saint John

Mon 6/29

12:20 pm-10:22 pm

2 stops14h 02m

$901

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 1/17

12:40 pm-3:40 pm

3 stops23h 00m

Saint John

Wed 1/21

4:15 pm-11:41 am

2 stops23h 26m

$944

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Fri 6/5

11:15 am-11:52 pm

1 stop8h 37m

Saint John

Mon 6/29

5:40 am-10:32 am

1 stop8h 52m

$1,080

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 6/6

11:44 am-3:50 pm

3 stops24h 06m

Saint John

Tue 6/30

12:20 pm-12:05 am

2 stops15h 45m

$1,112

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Saint John according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Saint John (SEA to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint John

Fastest flight time	14h 10m
Direct flights	None

The fastest flight from Seattle to Saint John takes 14h 10m

There are no direct flights from Seattle to Saint John. There are no popular flight routes from Seattle to Saint John.

Search flight deals

How far is Seattle/Tacoma Intl to Saint John by plane?
Saint John is 2622.7 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 14h 10m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint John Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Saint John Airport.
What documentation or ID do you need to fly to Saint John Airport?
The travel and health documents you'll need for your trip to Saint John 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 Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Seattle to Saint John?
Price Alerts will notify you by email when the price for flights to Saint John from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Seattle to Saint John with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Bridgetown

Middleton

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Saint John?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint John from Seattle.

Can I find flights from Seattle to Saint John with flexible booking policies on momondo?

Flights from Seattle to Saint John with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Saint John?

momondo provides multiple filters to help you find the best flight to Saint John from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Saint John 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.