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Cheap flights from Washington, D.C. Reagan-National Airport to Saint John from $630

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 4/28. 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
6:00 am - 11:10 am
DCA
-
YSJ
4h 10m1 stop
Air Canada Logo
4:30 pm - 9:55 pm
YSJ
-
DCA
6h 25m1 stop
$630Air Canada
Tue, Apr 28 - Fri, May 1
Air Canada Logo
6:59 am - 3:40 pm
DCA
-
YSJ
7h 41m2 stops
Air Canada Logo
4:15 pm - 9:58 pm
YSJ
-
DCA
6h 43m1 stop
$642Air Canada
Tue, Jan 27 - Tue, Feb 3
Air Canada Logo
6:59 am - 3:40 pm
DCA
-
YSJ
7h 41m2 stops
Air Canada Logo
4:15 pm - 10:35 pm
YSJ
-
DCA
7h 20m2 stops
$654Air Canada
Tue, Jan 27 - Tue, Feb 3
Air Canada Logo
6:00 am - 11:10 am
DCA
-
YSJ
4h 10m1 stop
Air Canada Logo
5:35 am - 7:58 pm
YSJ
-
DCA
15h 23m1 stop
$657Air Canada
Tue, Apr 28 - Fri, May 1
Air Canada Logo
12:55 pm - 11:52 pm
DCA
-
YSJ
9h 57m2 stops
Air Canada Logo
4:30 pm - 9:55 pm
YSJ
-
DCA
6h 25m1 stop
$723Air Canada
Tue, Apr 28 - Fri, May 1
United Airlines Logo
6:00 am - 11:10 am
DCA
-
YSJ
4h 10m1 stop
United Airlines Logo
5:35 am - 1:19 pm
YSJ
-
DCA
8h 44m2 stops
$735United Airlines
Tue, Apr 28 - Fri, May 1
United Airlines Logo
2:00 pm - 11:52 pm
DCA
-
YSJ
8h 52m2 stops
United Airlines Logo
5:35 am - 1:00 pm
YSJ
-
DCA
8h 25m2 stops
$748United Airlines
Tue, Apr 28 - Fri, May 1
Air Canada Logo
8:40 pm - 10:39 am
DCA
-
YSJ
12h 59m1 stop
Air Canada Logo
4:15 pm - 10:21 am
YSJ
-
DCA
19h 06m1 stop
$1,072Air Canada
Thu, Jan 1 - Sun, Jan 4
United Airlines Logo
6:50 pm - 10:39 am
DCA
-
YSJ
14h 49m1 stop
United Airlines Logo
5:40 am - 4:59 pm
YSJ
-
DCA
12h 19m2 stops
$1,440United Airlines
Thu, Jan 1 - Sun, Jan 4
United Airlines Logo
7:00 am - 3:33 pm
DCA
-
YSJ
7h 33m2 stops
United Airlines Logo
5:40 am - 4:59 pm
YSJ
-
DCA
12h 19m2 stops
$1,556United Airlines
Thu, Jan 1 - Sun, Jan 4

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
Apr 28
DCA6:00 amWashington, D.C. Reagan-National
4h 10m
1 stop
YSJ11:10 amSaint John
May 1
YSJ4:30 pmSaint John
6h 25m
1 stop
DCA9:55 pmWashington, D.C. Reagan-National
$630
Find similar
Air Canada
Jan 27
DCA6:59 amWashington, D.C. Reagan-National
7h 41m
2 stops
YSJ3:40 pmSaint John
Feb 3
YSJ4:15 pmSaint John
6h 43m
1 stop
DCA9:58 pmWashington, D.C. Reagan-National
$642
Find similar
Air Canada
Jan 27
DCA6:59 amWashington, D.C. Reagan-National
7h 41m
2 stops
YSJ3:40 pmSaint John
Feb 3
YSJ4:15 pmSaint John
7h 20m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$654
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
Apr 28
DCA6:00 amWashington, D.C. Reagan-National
4h 10m
1 stop
YSJ11:10 amSaint John
May 1
YSJ5:35 amSaint John
8h 44m
2 stops
DCA1:19 pmWashington, D.C. Reagan-National
$735
Find similar
United Airlines
Apr 28
DCA2:00 pmWashington, D.C. Reagan-National
8h 52m
2 stops
YSJ11:52 pmSaint John
May 1
YSJ5:35 amSaint John
8h 25m
2 stops
DCA1:00 pmWashington, D.C. Reagan-National
$748
Find similar
United Airlines
Jan 1
DCA6:50 pmWashington, D.C. Reagan-National
14h 49m
1 stop
YSJ10:39 amSaint John
Jan 4
YSJ5:40 amSaint John
12h 19m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$1,440
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 December 14, 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

Tue 4/28

6:00 am-11:10 am

1 stop4h 10m

Saint John

Fri 5/1

4:30 pm-9:55 pm

1 stop6h 25m

$630

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 1/27

6:59 am-3:40 pm

2 stops7h 41m

Saint John

Tue 2/3

4:15 pm-9:58 pm

1 stop6h 43m

$642

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 1/27

6:59 am-3:40 pm

2 stops7h 41m

Saint John

Tue 2/3

4:15 pm-10:35 pm

2 stops7h 20m

$654

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-11:10 am

1 stop4h 10m

Saint John

Fri 5/1

5:35 am-7:58 pm

1 stop15h 23m

$657

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 4/28

12:55 pm-11:52 pm

2 stops9h 57m

Saint John

Fri 5/1

4:30 pm-9:55 pm

1 stop6h 25m

$723

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-11:10 am

1 stop4h 10m

Saint John

Fri 5/1

5:35 am-1:19 pm

2 stops8h 44m

$735

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Tue 4/28

2:00 pm-11:52 pm

2 stops8h 52m

Saint John

Fri 5/1

5:35 am-1:00 pm

2 stops8h 25m

$748

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 1/1

8:40 pm-10:39 am

1 stop12h 59m

Saint John

Sun 1/4

4:15 pm-10:21 am

1 stop19h 06m

$1,072

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 1/1

6:50 pm-10:39 am

1 stop14h 49m

Saint John

Sun 1/4

5:40 am-4:59 pm

2 stops12h 19m

$1,440

Washington, D.C.Saint John

DCA - YSJ

DCAYSJ

Washington, D.C. Reagan-National

Thu 1/1

7:00 am-3:33 pm

2 stops7h 33m

Saint John

Sun 1/4

5:40 am-4:59 pm

2 stops12h 19m

$1,556

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 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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Saint John takes 4h 10m
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.
Search flight deals

  • 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 4h 10m 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.

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?

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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