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Sudbury

$314+ Cheap flights from Dulles Intl (IAD) to Sudbury, ON (YSB)

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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSB
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap flight deals from Dulles Intl to Sudbury

Cheapest flights from Dulles Intl to Sudbury
Explore the most affordable flight options available from Dulles Intl to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This Air Canada deal was found by Cheapflights users on 2/5. 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 4/289:00 am
IAD
-
YSB
1 stop6h 16m
Air Canada
Wed 4/293:55 pm
YSB
-
IAD
1 stop4h 34m
Air Canada
Deal found 2/5$587
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 7/89:55 am
IAD
-
YSB
1 stop3h 50m
United Airlines
Sun 7/129:45 am
YSB
-
IAD
1 stop5h 44m
United Airlines
Deal found 2/5$673
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/2310:09 pm
IAD
-
YSB
1 stop11h 00m
United Airlines
Mon 3/303:55 pm
YSB
-
IAD
1 stop4h 29m
United Airlines
Deal found 2/5$698

Find flight deals from Dulles Intl to Sudbury

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sudbury (YSB). 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$587
(Air Canada)

One-way from

$314
(United Airlines)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sudbury flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sudbury flights.
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From Washington, D.C. Dulles Intl to Sudbury
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One-way flight from Washington, D.C. Dulles Intl to Sudbury
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Sudbury 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 February 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sudbury that are best for you.

Fly from

Dulles Intl

Fly to

Sudbury

Route

Depart

Return

Price

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

Tue 4/28

9:00 am-3:16 pm

1 stop6h 16m

Sudbury

Wed 4/29

3:55 pm-8:29 pm

1 stop4h 34m

$587

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

Wed 7/8

9:55 am-1:45 pm

1 stop3h 50m

Sudbury

Sun 7/12

9:45 am-3:29 pm

1 stop5h 44m

$673

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

Tue 6/16

9:55 am-1:45 pm

1 stop3h 50m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sudbury, Ontario 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-Sudbury, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sudbury, Ontario 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-Sudbury, Ontario 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-Sudbury, Ontario 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 Sudbury

Have a flexible travel schedule? Discover the best time to fly to Sudbury 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 Sudbury. 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 Sudbury from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Sudbury, you will be flying into Sudbury. Sudbury (YSB) is just 13.0 mi from the center of the city. Sudbury is the only Sudbury airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Sudbury from Washington, D.C. Dulles Intl on a regular basis.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Sudbury, Ontario can take about 6h 16m. Air Canada provides one of the quickest options available for as low as $587. The distance between Washington, D.C. Dulles Intl Airport and Sudbury, Ontario is about 556 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Sudbury 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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