Sudbury

$236+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YSB
jul. 8 — jul. 151
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Sudbury with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 3, 2025.

Round-trip from

$441
(Gotogate)

One-way from

$236
From Washington, D.C. Dulles Intl to Sudbury
One-way flight from Washington, D.C. Dulles Intl to Sudbury

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 julio 3, 2025.

This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1710:20 amIAD - YSB
1 stop4h 57mAir Canada
dom. 8/249:45 amYSB - IAD
1 stop3h 57mAir Canada
Deal found 7/3$441
This United Airlines deal was found by Cheapflights users on 7/2. 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.
sáb. 8/1610:20 amIAD - YSB
1 stop4h 57mUnited Airlines
sáb. 8/239:45 amYSB - IAD
1 stop3h 57mUnited Airlines
Deal found 7/2$646

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 julio 3, 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

dom. 8/17

10:20 am-3:17 pm

1 stop4h 57m

Sudbury

dom. 8/24

9:45 am-1:42 pm

1 stop3h 57m

$441

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

sáb. 8/16

10:20 am-3:17 pm

1 stop4h 57m

Sudbury

sáb. 8/23

9:45 am-1:42 pm

1 stop3h 57m

$646

Washington, D.C.Sudbury

IAD - YSB

IADYSB

Washington, D.C. Dulles Intl

vie. 8/1

10:20 am-3:17 pm

1 stop4h 57m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Reviews of airlines servicing Sudbury

Get insights into the airlines that provide service to Sudbury. 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 Sudbury. Reviews last updated julio 3, 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from Washington, D.C. Dulles Intl Airport to Sudbury by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

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??

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

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??

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

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 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.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.