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St John

$533+ Cheap flights from Dulles Intl (IAD) to Saint John (YSJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSJ
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:09 pm
IAD
-
YSJ
2 stops38h 51m
Multiple Airlines
Mon 8/1010:45 am
YSJ
-
IAD
1 stop25h 00m
Multiple Airlines
Deal found 6/9$652
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:30 pm
IAD
-
YSJ
1 stop6h 24m
United Airlines
Wed 11/1811:05 am
YSJ
-
IAD
1 stop6h 15m
United Airlines
Deal found 6/8$713
This Air Canada deal was found by Cheapflights users on 6/9. 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 11/164:30 pm
IAD
-
YSJ
1 stop6h 24m
Air Canada
Wed 11/1811:40 am
YSJ
-
IAD
1 stop5h 10m
Air Canada
Deal found 6/9$717
This Air Canada deal was found by Cheapflights users on 6/9. 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.
Fri 7/34:20 pm
IAD
-
YSJ
1 stop6h 30m
Air Canada
Fri 7/105:00 am
YSJ
-
IAD
1 stop7h 11m
Air Canada
Deal found 6/9$727
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Wed 7/14:20 pm
IAD
-
YSJ
1 stop6h 30m
Air Canada
Wed 7/85:00 am
YSJ
-
IAD
2 stops11h 01m
Air Canada
Deal found 6/10$735
This Air Canada deal was found by Cheapflights users on 6/10. 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 7/254:20 pm
IAD
-
YSJ
1 stop6h 30m
Air Canada
Sat 8/15:00 am
YSJ
-
IAD
1 stop11h 24m
Air Canada
Deal found 6/10$752

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$652
(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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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 June 11, 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

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 7/16

3:55 pm-10:00 am

1 stop17h 05m

Saint John

Mon 7/27

10:45 am-10:25 am

1 stop24h 40m

$576

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 11/16

6:00 am-11:54 pm

2 stops16h 54m

Saint John

Wed 11/18

11:05 am-4:20 pm

1 stop6h 15m

$722

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 11/16

4:30 pm-11:54 pm

1 stop6h 24m

Saint John

Wed 11/18

11:05 am-8:10 pm

2 stops10h 05m

$726
Quickest round-trip

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Fri 7/3

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Fri 7/10

5:00 am-11:11 am

1 stop7h 11m

$727

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 7/20

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Sat 7/25

5:00 am-3:01 pm

2 stops11h 01m

$735

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sun 7/19

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Thu 7/23

12:50 pm-12:45 am

2 stops12h 55m

$742

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 7/16

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Sat 7/25

5:00 am-4:38 pm

1 stop12h 38m

$742

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 7/20

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Thu 7/23

12:50 pm-12:45 am

2 stops12h 55m

$742

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 7/18

4:20 pm-11:50 pm

1 stop6h 30m

Saint John

Mon 7/27

5:00 am-3:24 pm

1 stop11h 24m

$751

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Mon 8/3

9:45 am-3:50 pm

1 stop5h 05m

Saint John

Mon 8/10

5:00 am-4:32 pm

1 stop12h 32m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 24m. Fly via United Airlines or 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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