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Cheap flights from Washington to Saint John from $335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Saint John departing on 5/6. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:30 am - 12:55 am
SEA
-
YSJ
10h 25m
2 stops
Air Canada Logo
12:50 pm - 10:48 pm
YSJ
-
SEA
13h 58m
2 stops
$757Air Canada
Tue, Sep 1 - Sat, Sep 5
Air Canada Logo
8:00 am - 12:55 am
SEA
-
YSJ
12h 55m
1 stop
Air Canada Logo
12:50 pm - 10:48 pm
YSJ
-
SEA
13h 58m
2 stops
$776Air Canada
Tue, Sep 1 - Sat, Sep 5
Air Canada Logo
8:00 am - 12:55 am
SEA
-
YSJ
12h 55m
1 stop
Air Canada Logo
12:50 pm - 9:07 pm
YSJ
-
SEA
12h 17m
1 stop
$795Air Canada
Tue, Sep 1 - Sat, Sep 5
Air Canada Logo
8:00 am - 12:55 am
SEA
-
YSJ
12h 55m
1 stop
Air Canada Logo
12:50 pm - 9:07 pm
YSJ
-
SEA
12h 17m
1 stop
$796Air Canada
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
10:54 am - 3:50 pm
SEA
-
YSJ
24h 56m
3 stops
United Airlines Logo
4:30 pm - 9:35 am
YSJ
-
SEA
21h 05m
2 stops
$864United Airlines
Tue, Sep 1 - Sat, Sep 5

Air Canada flights from State of Washington to Saint John

Our best Air Canada deals on State of Washington to Saint John flight tickets
Air Canada
Sep 1
SEA10:30 amSeattle/Tacoma Intl
10h 25m
2 stops
YSJ12:55 amSaint John
Sep 5
YSJ12:50 pmSaint John
13h 58m
2 stops
SEA10:48 pmSeattle/Tacoma Intl
$757
Air Canada
Sep 1
SEA8:00 amSeattle/Tacoma Intl
12h 55m
1 stop
YSJ12:55 amSaint John
Sep 5
YSJ12:50 pmSaint John
13h 58m
2 stops
SEA10:48 pmSeattle/Tacoma Intl
$776
Air Canada
Sep 1
SEA8:00 amSeattle/Tacoma Intl
12h 55m
1 stop
YSJ12:55 amSaint John
Sep 5
YSJ12:50 pmSaint John
12h 17m
1 stop
SEA9:07 pmSeattle/Tacoma Intl
$795

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Saint John 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 March 26, 2026.
Use the filters below to find and compare flights from Washington to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 9/1

10:30 am-12:55 am

2 stops10h 25m

Saint John

Sat 9/5

12:50 pm-10:48 pm

2 stops13h 58m

$757

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 9/1

8:00 am-12:55 am

1 stop12h 55m

Saint John

Sat 9/5

12:50 pm-10:48 pm

2 stops13h 58m

$776

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 9/1

8:00 am-12:55 am

1 stop12h 55m

Saint John

Sat 9/5

12:50 pm-9:07 pm

1 stop12h 17m

$795

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 9/1

8:00 am-12:55 am

1 stop12h 55m

Saint John

Sat 9/5

12:50 pm-9:07 pm

1 stop12h 17m

$796

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 9/1

10:54 am-3:50 pm

3 stops24h 56m

Saint John

Sat 9/5

4:30 pm-9:35 am

2 stops21h 05m

$864
Cheapest one-way
Quickest one-way

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 5/6

7:20 pm-11:55 am

2 stops12h 35m

$335

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 5/6

8:00 am-11:55 am

1 stop23h 55m

$367

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 5/6

7:35 pm-3:45 pm

3 stops40h 10m

$517

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint John from

How to get the cheapest flight ticket from State of Washington to Saint John

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 airline that flies from Washington to Saint John?

Air Canada is the most popular carrier operating from Washington to Saint John

Cheap State of Washington to Saint John flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from State of Washington to Saint John takes 12h 40m
There are no direct flights from State of Washington to Saint John. There are no popular flight routes from State of Washington to Saint John.
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  • When did momondo last update prices for flights from Washington to Saint John Airport?

    Prices for flights from Washington to Saint John Airport refresh daily.

  • How old do you have to be to fly from Washington to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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.

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Bridgetown
Middleton

Why use momondo?

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

It is quick and easy to find Washington to Saint John flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint John that suits you.

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

momondo does allow users to show only those flights to Saint John from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Saint John.

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

Price alerts on flights to Saint John from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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