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Cheap flights from Washington, D.C. to Saint John from $305

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, D.C. to Saint John departing on 3/19. 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

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Find the cheapest flights from Washington, D.C. to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:59 am - 3:40 pm
DCA
-
YSJ
7h 41m
2 stops
Air Canada Logo
4:15 pm - 9:56 pm
YSJ
-
DCA
6h 41m
1 stop
$512Air Canada
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
6:59 am - 3:40 pm
DCA
-
YSJ
7h 41m
2 stops
Multiple Airlines Logo
12:00 pm - 7:45 pm
YSJ
-
DCA
8h 45m
2 stops
$535Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Air Canada Logo
6:00 am - 3:40 pm
DCA
-
YSJ
8h 40m
1 stop
Air Canada Logo
4:15 pm - 9:56 pm
YSJ
-
DCA
6h 41m
1 stop
$562Air Canada
Fri, Mar 20 - Fri, Mar 27
Air Canada Logo
6:00 am - 11:34 pm
DCA
-
YSJ
16h 34m
2 stops
Air Canada Logo
4:15 pm - 6:05 pm
YSJ
-
DCA
26h 50m
3 stops
$741Air Canada
Fri, Mar 20 - Fri, Mar 27
Air Canada Logo
8:40 pm - 10:49 am
DCA
-
YSJ
13h 09m
1 stop
Air Canada Logo
4:15 pm - 8:55 am
YSJ
-
DCA
17h 40m
2 stops
$858Air Canada
Tue, Feb 17 - Fri, Feb 20
Air Canada Logo
8:40 pm - 10:49 am
DCA
-
YSJ
13h 09m
1 stop
Air Canada Logo
4:15 pm - 9:56 pm
YSJ
-
DCA
6h 41m
1 stop
$859Air Canada
Tue, Feb 17 - Fri, Feb 20
Air Canada Logo
4:15 pm - 10:49 am
DCA
-
YSJ
17h 34m
2 stops
Air Canada Logo
4:15 pm - 8:55 am
YSJ
-
DCA
17h 40m
2 stops
$872Air Canada
Tue, Feb 17 - Fri, Feb 20

Air Canada flights from Washington, D.C. to Saint John

Our best Air Canada deals on Washington, D.C. to Saint John flight tickets
Air Canada
Mar 20
DCA6:59 amWashington, D.C. Reagan-National
7h 41m
2 stops
YSJ3:40 pmSaint John
Mar 27
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$512
Air Canada
Mar 20
DCA6:00 amWashington, D.C. Reagan-National
8h 40m
1 stop
YSJ3:40 pmSaint John
Mar 27
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$562
Air Canada
Mar 20
DCA6:00 amWashington, D.C. Reagan-National
16h 34m
2 stops
YSJ11:34 pmSaint John
Mar 27
YSJ4:15 pmSaint John
26h 50m
3 stops
DCA6:05 pmWashington, D.C. Reagan-National
$741

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 February 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Fri 3/20

6:59 am-3:40 pm

2 stops7h 41m

Saint John

Fri 3/27

4:15 pm-9:56 pm

1 stop6h 41m

$512

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Fri 3/20

6:59 am-3:40 pm

2 stops7h 41m

Saint John

Fri 3/27

12:00 pm-7:45 pm

2 stops8h 45m

$535

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-3:40 pm

1 stop8h 40m

Saint John

Fri 3/27

4:15 pm-9:56 pm

1 stop6h 41m

$562

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-11:34 pm

2 stops16h 34m

Saint John

Fri 3/27

4:15 pm-6:05 pm

3 stops26h 50m

$741

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 2/17

8:40 pm-10:49 am

1 stop13h 09m

Saint John

Fri 2/20

4:15 pm-8:55 am

2 stops17h 40m

$858

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 2/17

8:40 pm-10:49 am

1 stop13h 09m

Saint John

Fri 2/20

4:15 pm-9:56 pm

1 stop6h 41m

$859

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 2/17

4:15 pm-10:49 am

2 stops17h 34m

Saint John

Fri 2/20

4:15 pm-8:55 am

2 stops17h 40m

$872

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-3:35 pm

1 stop4h 40m

$305

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 3/19

11:40 am-3:45 pm

2 stops27h 05m

$319

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 3/19

8:40 pm-10:49 am

1 stop13h 09m

$342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Saint John from

How to get the cheapest flight ticket from Washington, D.C. 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, D.C. to Saint John?

Air Canada and United Airlines are the most popular carriers operating from Washington, D.C. to Saint John

When to book flights from Washington, D.C. to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Saint John (WAS to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Saint John

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Saint John takes 4h 55m
There are no direct flights from Washington, D.C. to Saint John. There are no popular flight routes from Washington, D.C. to Saint John.
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  • How far is Washington, D.C. to Saint John by plane?

    A flight from Washington, D.C. to Saint John will travel around 712.4 mi. By plane, this route typically takes 4h 55m.

  • When did momondo last update prices for flights from Washington, D.C. to Saint John Airport?

    Prices for flights from Washington, D.C. to Saint John Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to Saint John 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 Washington, D.C. to Saint John Airport.

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

    The required travel and health documents for your Saint John Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint John Airport. We recommend that you seek guidance from your airline or a reliable 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, D.C. to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Saint John. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Saint John from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Saint John?

momondo helps you find the best flight between Washington, D.C. and Saint John by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Saint John from Washington, D.C.. 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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