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Cheap flights from Washington, D.C. Reagan-National Airport to Saint John from $617

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Saint John departing on 11/22. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:59 am - 3:33 pmDCA-YSJ
7h 34m2 stops
Air Canada Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$617Air Canada
Find Deal
Sat, Nov 22 - Thu, Nov 27
Air Canada Logo
6:59 am - 3:35 pmDCA-YSJ
7h 36m2 stops
Air Canada Logo
11:45 am - 3:24 pmYSJ-DCA
4h 39m1 stop
$634Air Canada
Find Deal
Thu, Mar 26 - Sun, Mar 29
Air Canada Logo
6:59 am - 3:33 pmDCA-YSJ
7h 34m2 stops
Air Canada Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$635Air Canada
Find Deal
Tue, Dec 30 - Thu, Jan 1
Air Canada Logo
6:59 am - 3:35 pmDCA-YSJ
7h 36m2 stops
Air Canada Logo
11:45 am - 7:59 pmYSJ-DCA
9h 14m2 stops
$646Air Canada
Find Deal
Thu, Mar 26 - Sun, Mar 29
Air Canada Logo
8:40 pm - 10:59 amDCA-YSJ
13h 19m1 stop
Air Canada Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$648Air Canada
Find Deal
Sat, Nov 22 - Thu, Nov 27
Air Canada Logo
9:40 am - 11:29 pmDCA-YSJ
12h 49m1 stop
Air Canada Logo
11:45 am - 3:24 pmYSJ-DCA
4h 39m1 stop
$653Air Canada
Find Deal
Thu, Mar 26 - Sun, Mar 29
Multiple Airlines Logo
7:00 am - 3:33 pmDCA-YSJ
7h 33m2 stops
Multiple Airlines Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$691Multiple Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
United Airlines Logo
7:00 am - 3:33 pmDCA-YSJ
7h 33m2 stops
United Airlines Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$719United Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
United Airlines Logo
6:30 am - 11:29 pmDCA-YSJ
15h 59m2 stops
United Airlines Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$759United Airlines
Find Deal
Mon, Dec 29 - Tue, Dec 30
United Airlines Logo
6:00 pm - 3:33 pmDCA-YSJ
20h 33m2 stops
United Airlines Logo
4:15 pm - 9:56 pmYSJ-DCA
6h 41m1 stop
$797United Airlines
Find Deal
Sun, Dec 28 - Tue, Dec 30

Air Canada flights from Washington, D.C. Reagan-National Airport to Saint John

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Saint John flight tickets
Air Canada
Nov 22
DCA6:59 amWashington, D.C. Reagan-National
7h 34m
2 stops
YSJ3:33 pmSaint John
Nov 27
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$617
Find similar
Air Canada
Mar 26
DCA6:59 amWashington, D.C. Reagan-National
7h 36m
2 stops
YSJ3:35 pmSaint John
Mar 29
YSJ11:45 amSaint John
4h 39m
1 stop
DCA3:24 pmWashington, D.C. Reagan-National
$634
Find similar
Air Canada
Dec 30
DCA6:59 amWashington, D.C. Reagan-National
7h 34m
2 stops
YSJ3:33 pmSaint John
Jan 1
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$635
Find similar

United Airlines flights from Washington, D.C. Reagan-National Airport to Saint John

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Saint John flight tickets
United Airlines
Dec 25
DCA7:00 amWashington, D.C. Reagan-National
7h 33m
2 stops
YSJ3:33 pmSaint John
Jan 1
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$719
Find similar
United Airlines
Dec 29
DCA6:30 amWashington, D.C. Reagan-National
15h 59m
2 stops
YSJ11:29 pmSaint John
Dec 30
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$759
Find similar
United Airlines
Dec 28
DCA6:00 pmWashington, D.C. Reagan-National
20h 33m
2 stops
YSJ3:33 pmSaint John
Dec 30
YSJ4:15 pmSaint John
6h 41m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
$797
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 October 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

Sat 11/22

6:59 am-3:33 pm

2 stops7h 34m

Saint John

Thu 11/27

4:15 pm-9:56 pm

1 stop6h 41m

$617

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 3/26

6:59 am-3:35 pm

2 stops7h 36m

Saint John

Sun 3/29

11:45 am-3:24 pm

1 stop4h 39m

$634

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 12/30

6:59 am-3:33 pm

2 stops7h 34m

Saint John

Thu 1/1

4:15 pm-9:56 pm

1 stop6h 41m

$635

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 3/26

6:59 am-3:35 pm

2 stops7h 36m

Saint John

Sun 3/29

11:45 am-7:59 pm

2 stops9h 14m

$646

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Sat 11/22

8:40 pm-10:59 am

1 stop13h 19m

Saint John

Thu 11/27

4:15 pm-9:56 pm

1 stop6h 41m

$648

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 3/26

9:40 am-11:29 pm

1 stop12h 49m

Saint John

Sun 3/29

11:45 am-3:24 pm

1 stop4h 39m

$653

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Mon 11/24

7:00 am-3:33 pm

2 stops7h 33m

Saint John

Thu 11/27

4:15 pm-9:56 pm

1 stop6h 41m

$691

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 12/25

7:00 am-3:33 pm

2 stops7h 33m

Saint John

Thu 1/1

4:15 pm-9:56 pm

1 stop6h 41m

$719

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Mon 12/29

6:30 am-11:29 pm

2 stops15h 59m

Saint John

Tue 12/30

4:15 pm-9:56 pm

1 stop6h 41m

$759

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Sun 12/28

6:00 pm-3:33 pm

2 stops20h 33m

Saint John

Tue 12/30

4:15 pm-9:56 pm

1 stop6h 41m

$797

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 day to depart on your flight to Saint John?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Saint John is on a Saturday when prices can be found for as low as $824. On the other hand, Tuesday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,268.

What is the cheapest time of day to depart on your flight to Saint John?

Our most recent data shows that the best time of day to fly to Saint John is in the afternoon. Flights from Washington, D.C. Reagan-National Airport to Saint John during this time can be as low as $819. Try not to purchase tickets in the morning because they tend to be around $885. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Reagan-National Airport to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Saint John (DCA to YSJ) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Saint John. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Saint John.
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  • How far is Washington, D.C. Reagan-National to Saint John by plane?

    Saint John is 714.9 mi away from Washington, D.C. Reagan-National. Typically, this will take 7h 33m by plane in normal conditions.

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

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

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

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

    The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. 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 Washington, D.C..

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

Flights from Washington, D.C. 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 Washington, D.C. to Saint John?

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 Saint John from Washington, D.C..

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

Price alerts on flights to Saint John from Washington, D.C. 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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