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St John

$536+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSJ
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$536
(Kiwi.com)
From Washington, D.C. Dulles Intl to Saint John
Search Deals

Find 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 July 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 9/1811:35 amIAD - YSJ
1 stop21h 25mMultiple Airlines
Mon 9/2912:00 pmYSJ - IAD
2 stops28h 06mMultiple Airlines
Deal found 7/28$536
This Air Canada deal was found by Cheapflights users on 7/28. 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 10/13:36 pmIAD - YSJ
1 stop7h 15mAir Canada
Mon 10/65:55 amYSJ - IAD
1 stop4h 43mAir Canada
Deal found 7/28$625
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 9/1112:35 pmIAD - YSJ
2 stops21h 29mUnited Airlines
Thu 9/185:55 amYSJ - IAD
2 stops26h 35mUnited Airlines
Deal found 7/28$888

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 July 29, 2025.
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

Dulles Intl

Fly to

St John

Route

Depart

Return

Price

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 9/18

11:35 am-10:00 am

1 stop21h 25m

Saint John

Mon 9/29

12:00 pm-3:06 pm

2 stops28h 06m

$536

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Wed 10/1

3:36 pm-11:51 pm

1 stop7h 15m

Saint John

Mon 10/6

5:55 am-9:38 am

1 stop4h 43m

$625

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Thu 9/11

12:35 pm-11:04 am

2 stops21h 29m

Saint John

Thu 9/18

5:55 am-7:30 am

2 stops26h 35m

$888

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 8/2

8:20 am-1:00 am

2 stops15h 40m

$667

Washington, D.C.Saint John

IAD - YSJ

IADYSJ

Washington, D.C. Dulles Intl

Sat 8/2

5:12 pm-1:00 am

1 stop6h 48m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing St John

Get insights into the airlines that provide service to St John. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St John. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown United Airlines and Air Canada from Washington, D.C. Dulles Intl Airport to Saint John. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,893 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,893 reviews
United Airlines
7.4
Good
8,893 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,822 reviews
United Airlines
7.4
Good
8,893 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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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