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St John

$211+ Cheap flights from Dulles Intl (IAD) to Saint John (YSJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSJ
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to St John

Cheapest flights from Dulles Intl to St John
Explore the most affordable flight options available from Dulles Intl to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This Gotogate deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:05 pm
IAD
-
YSJ
1 stop6h 47m
Air Canada
Sat 5/3012:50 pm
YSJ
-
IAD
1 stop8h 39m
Air Canada
Deal found 4/25$573
This Air Canada deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:05 pm
IAD
-
YSJ
1 stop6h 47m
Air Canada
Tue 6/95:35 am
YSJ
-
IAD
1 stop6h 45m
Air Canada
Deal found 4/26$635
This Air Canada deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:05 pm
IAD
-
YSJ
1 stop6h 47m
Air Canada
Tue 6/1612:20 pm
YSJ
-
IAD
2 stops9h 20m
Air Canada
Deal found 4/25$643
This Air Canada deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:45 am
IAD
-
YSJ
1 stop5h 04m
Air Canada
Sat 10/105:40 am
YSJ
-
IAD
1 stop10h 45m
Air Canada
Deal found 4/25$646
This Air Canada deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
IAD
-
YSJ
1 stop6h 47m
Air Canada
Sun 5/315:35 am
YSJ
-
IAD
1 stop10h 54m
Air Canada
Deal found 4/25$659
This Air Canada deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:00 pm
IAD
-
YSJ
1 stop6h 50m
Air Canada
Wed 6/2412:50 pm
YSJ
-
IAD
2 stops9h 23m
Air Canada
Deal found 4/23$664
This Air Canada deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:05 pm
IAD
-
YSJ
1 stop6h 47m
Air Canada
Thu 5/1412:50 pm
YSJ
-
IAD
1 stop8h 39m
Air Canada
Deal found 4/27$681

Find flight deals from Dulles Intl to St John

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to St John (YSJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$573
(Gotogate)

One-way from

$211
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Saint John flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Saint John flights.
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From Washington, D.C. Dulles Intl to Saint John
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One-way flight from Washington, D.C. Dulles Intl to Saint John
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to St 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, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 6/1

4:05 pm-11:52 pm

1 stop6h 47m

Saint John

Tue 6/9

5:35 am-11:20 am

1 stop6h 45m

$635

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 6/20

12:35 pm-11:50 pm

2 stops10h 15m

Saint John

Wed 6/24

12:50 pm-9:13 pm

2 stops9h 23m

$669

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Tue 7/7

9:45 am-3:50 pm

1 stop5h 05m

Saint John

Thu 7/16

12:50 pm-8:24 pm

1 stop8h 34m

$676

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 5/16

4:05 pm-11:52 pm

1 stop6h 47m

Saint John

Sat 5/30

12:50 pm-8:29 pm

1 stop8h 39m

$726

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 5/23

3:45 pm-11:57 am

2 stops19h 12m

Saint John

Sat 5/30

5:00 am-6:58 pm

3 stops14h 58m

$737

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 10/1

6:20 am-3:49 pm

2 stops8h 29m

Saint John

Sat 10/10

12:50 pm-8:25 pm

1 stop8h 35m

$763

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Fri 6/12

3:45 pm-3:50 pm

1 stop23h 05m

Saint John

Fri 6/19

12:50 pm-8:24 pm

1 stop8h 34m

$770
Cheapest one-way

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Wed 6/10

6:26 pm-10:00 am

2 stops38h 34m

$211
Quickest one-way

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Wed 6/10

9:55 am-11:52 pm

1 stop12h 57m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Saint John flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Saint John flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Saint John flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Saint John flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to St John

Have a flexible travel schedule? Discover the best time to fly to St John from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Saint John from Washington, D.C. Dulles Intl?

    Located just 9.4 mi from the city center, Saint John is the airport most travelers will use when flying to Saint John from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Saint John (YSJ) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Saint John?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Saint John in 6h 47m. Fly via Air Canada to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Saint John is about 736 mi.

  • Can I find deals for flights from Dulles Intl to St John that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to St John flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to St John?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to St John.

  • Can I find deals for business class flights from Dulles Intl to St John?

    Yes. Cheapflights offers flight deals from Dulles Intl to St John by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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