$285 Cheap Flights from Washington (IAD) to Sudbury (YSB)

View $285 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sudbury, ON (YSB-Greater Sudbury)

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Cheap Flights from Washington to Sudbury (IAD-YSB)

Prices were available within the past 7 days and start at $285 for one-way flights and $605 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$605 Roundtrip, found 2 days ago
$605
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $605 found 2 days ago
United
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$617 Roundtrip, found 2 days ago
$617
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $617 found 2 days ago
United
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$634 Roundtrip, found 2 days ago
$634
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $634 found 2 days ago
Porter Airlines
Tue, Dec 2 - Thu, Dec 4
IAD
Washington
YSB
Sudbury
$638 Roundtrip, found 4 days ago
$638
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Tue, Dec 2 from Washington to Sudbury, returning Thu, Dec 4, priced at $638 found 4 days ago
United
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$648 Roundtrip, found 2 days ago
$648
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $648 found 2 days ago
Air Canada
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$648 Roundtrip, found 2 days ago
$648
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $648 found 2 days ago
Air Canada
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$679 Roundtrip, found 2 days ago
$679
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $679 found 2 days ago
Air Canada
Tue, Dec 2 - Wed, Dec 3
IAD
Washington
YSB
Sudbury
$697 Roundtrip, found 4 days ago
$697
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Dec 2 from Washington to Sudbury, returning Wed, Dec 3, priced at $697 found 4 days ago
Porter Airlines
Mon, Dec 1 - Thu, Dec 4
IAD
Washington
YSB
Sudbury
$697 Roundtrip, found 4 days ago
$697
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Mon, Dec 1 from Washington to Sudbury, returning Thu, Dec 4, priced at $697 found 4 days ago
Air Canada
Fri, Jan 2 - Mon, Jan 5
IAD
Washington
YSB
Sudbury
$702 Roundtrip, found 2 days ago
$702
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 2 from Washington to Sudbury, returning Mon, Jan 5, priced at $702 found 2 days ago

Alternative airports near Sudbury

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Greater Sudbury YSB. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $1,024
YSB
Greater Sudbury
CheapestClosest
Average driving time to city center20 min
Flights from $1,024

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB) cost?
Grab a cheap one-way flight from $285 or cheap return flight from $605 from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB)?
January is the most affordable month to fly from IAD to YSB. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB)?
To find the cheapest airline that'll fly you from IAD to YSB, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to YSB?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB) last-minute?
Booking your flight from IAD to YSB just before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an IAD to YSB flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to YSB flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Greater Sudbury Airport (YSB)?
Typically, you can modify or cancel your IAD to YSB flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Greater Sudbury
Airlines serving
Air Canada, United
Roundtrip price
$605
Distance
556 mi

Book with confidence

Washington to Sudbury Flights

The cheapest times to fly from Washington to Sudbury

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Sudbury are during the month of January. You can find some of the cheapest flights from Washington to Sudbury with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Sudbury

Sunday is one of the best days to book for cheap flights from Washington to Sudbury: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Sudbury

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Sudbury in 2025. You can also book with separate airlines for your outbound and return journeys, from $285 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Sudbury flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Sudbury airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Sudbury Flights

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*Available to One Key members.