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Sudbury

$656+ Cheap flights from Dulles Intl (IAD) to Sudbury, ON (YSB)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSB
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap 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 November 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$656
(Air Canada)
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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Find 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 November 5, 2025.

This Porter Airlines deal was found by Cheapflights users on 11/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 pmIAD - YSB
1 stop18h 05mPorter Airlines
Tue 12/91:15 pmYSB - IAD
1 stop3h 59mPorter Airlines
Deal found 11/4$665
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/26:00 amIAD - YSB
2 stops9h 39mUnited Airlines
Tue 12/94:15 pmYSB - IAD
1 stop4h 11mUnited Airlines
Deal found 11/4$788

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 November 5, 2025.
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

Sun 4/5

9:00 am-3:16 pm

1 stop6h 16m

Sudbury

Tue 4/7

9:45 am-3:39 pm

1 stop5h 54m

$656

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

Sat 5/2

9:55 am-3:17 pm

1 stop5h 22m

Sudbury

Fri 5/8

3:55 pm-8:22 pm

1 stop4h 27m

$656

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

Tue 12/2

6:30 pm-12:35 pm

1 stop18h 05m

Sudbury

Tue 12/9

1:15 pm-5:14 pm

1 stop3h 59m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

  • 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 $656. 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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