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.

$974 Cheap Flights from Seattle to Saint John in 2026/27

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.

7:15 pm - 11:51 amSEA Seattle/Tacoma Intl-YSJ Saint John

12h 36m2 stops Vancouver Intl Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$974Air Canada

Tue, Oct 13 - Fri, Oct 16

7:15 pm - 11:51 amSEA Seattle/Tacoma Intl-YSJ Saint John

12h 36m2 stops Vancouver Intl Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,009Air Canada

Tue, Oct 13 - Fri, Oct 16

7:55 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 56m1 stop Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,043Air Canada

Tue, Oct 13 - Fri, Oct 16

5:50 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

14h 01m2 stops Vancouver Intl Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,051Air Canada

Tue, Oct 13 - Fri, Oct 16

7:55 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 56m1 stop Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,060Air Canada

Tue, Oct 13 - Fri, Oct 16

7:45 am - 11:24 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 39m1 stop Toronto Pearson Intl

5:20 am - 8:59 pmYSJ Saint John-SEA Seattle/Tacoma Intl

19h 39m1 stop Toronto Pearson Intl

$1,074Air Canada

Sun, Dec 20 - Sun, Jan 3

7:45 am - 11:24 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 39m1 stop Toronto Pearson Intl

5:20 am - 8:59 pmYSJ Saint John-SEA Seattle/Tacoma Intl

19h 39m1 stop Toronto Pearson Intl

$1,076Air Canada

Mon, Dec 21 - Mon, Jan 4

7:45 am - 11:24 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 39m1 stop Toronto Pearson Intl

11:05 am - 8:59 pmYSJ Saint John-SEA Seattle/Tacoma Intl

13h 54m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

$1,079Air Canada

Mon, Dec 21 - Sun, Jan 3

7:45 am - 11:24 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 39m1 stop Toronto Pearson Intl

5:35 pm - 2:37 pmYSJ Saint John-SEA Seattle/Tacoma Intl

25h 02m2 stops Toronto Pearson Intl Vancouver Intl

$1,094Air Canada

Mon, Dec 21 - Tue, Jan 5

10:10 am - 10:25 amSEA Seattle/Tacoma Intl-YSJ Saint John

20h 15m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:20 am - 8:59 pmYSJ Saint John-SEA Seattle/Tacoma Intl

19h 39m1 stop Toronto Pearson Intl

$1,100Air Canada

Tue, Dec 22 - Sun, Jan 3

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Air Canada flights from Seattle to Saint John

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

Air Canada

Oct 13

SEA7:15 pmSeattle/Tacoma Intl

12h 36m

2 stops

YSJ11:51 amSaint John

Oct 16

YSJ4:40 pmSaint John

10h 07m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

$974

Air Canada

Oct 13

SEA7:15 pmSeattle/Tacoma Intl

12h 36m

2 stops

YSJ11:51 amSaint John

Oct 16

YSJ4:40 pmSaint John

10h 07m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

$1,009

Air Canada

Oct 13

SEA7:55 amSeattle/Tacoma Intl

11h 56m

1 stop

YSJ11:51 pmSaint John

Oct 16

YSJ4:40 pmSaint John

10h 07m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

$1,043

United Airlines flights from Seattle to Saint John

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

United Airlines

Dec 21

SEA11:44 pmSeattle/Tacoma Intl

13h 10m

2 stops

YSJ4:54 pmSaint John

Jan 5

YSJ11:05 amSaint John

14h 35m

2 stops

SEA9:40 pmSeattle/Tacoma Intl

$1,140

United Airlines

Dec 21

SEA11:44 pmSeattle/Tacoma Intl

13h 10m

2 stops

YSJ4:54 pmSaint John

Jan 4

YSJ5:20 amSaint John

19h 42m

3 stops

SEA9:02 pmSeattle/Tacoma Intl

$1,145

United Airlines

Dec 21

SEA11:44 pmSeattle/Tacoma Intl

19h 40m

2 stops

YSJ11:24 pmSaint John

Jan 1

YSJ5:20 amSaint John

14h 59m

2 stops

SEA4:19 pmSeattle/Tacoma Intl

$1,180

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:15 pm-11:51 am

2 stops12h 36m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$974

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:15 pm-11:51 am

2 stops12h 36m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$1,009

Quickest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:55 am-11:51 pm

1 stop11h 56m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$1,043

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

5:50 am-11:51 pm

2 stops14h 01m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$1,051

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:55 am-11:51 pm

1 stop11h 56m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$1,060

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 12/20

7:45 am-11:24 pm

1 stop11h 39m

Saint John

Sun 1/3

5:20 am-8:59 pm

1 stop19h 39m

$1,074

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 12/21

7:45 am-11:24 pm

1 stop11h 39m

Saint John

Mon 1/4

5:20 am-8:59 pm

1 stop19h 39m

$1,076

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 12/21

7:45 am-11:24 pm

1 stop11h 39m

Saint John

Sun 1/3

11:05 am-8:59 pm

2 stops13h 54m

$1,079

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 12/21

7:45 am-11:24 pm

1 stop11h 39m

Saint John

Tue 1/5

5:35 pm-2:37 pm

2 stops25h 02m

$1,094

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 12/22

10:10 am-10:25 am

2 stops20h 15m

Saint John

Sun 1/3

5:20 am-8:59 pm

1 stop19h 39m

$1,100

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

Best Price Found	$974
Fastest flight time	11h 56m
Direct flights	None

The best flight deal from Seattle to Saint John found on momondo in the last 72 hours is $974

The fastest flight from Seattle to Saint John takes 11h 56m

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

Search flight deals

Frequently asked questions about flying from Seattle to Saint John

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 11h 56m.
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.

Frequently asked questions about flying from Seattle to Saint John

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.

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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.

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Cheap flights from Seattle to Saint John from $974

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint John departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Air Canada flights from Seattle to Saint John

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

United Airlines flights from Seattle to Saint John

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

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Saint John that are best for you.

When to book flights from Seattle to Saint John

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Saint John

Frequently asked questions about flying from Seattle to Saint John

Traveling to a place near Saint John?

Why use momondo?

An easier way to manage your Saint John 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing New Brunswick

Cabin classes currently available on flights to Saint John

List of cabin classes available on flights landing in Saint John. Availability may vary depending on flight origin and airline.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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