Thunder Bay

$417+ Cheap flights from Dulles Intl (IAD) to Thunder Bay (YQT)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
Aug 2 — Aug 91
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Cheap flight deals from Dulles Intl to Thunder Bay

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Thunder Bay (YQT). 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 28, 2025.

Round-trip from

$417
(Trip.com)
From Washington, D.C. Dulles Intl to Thunder Bay

Find flight deals from Dulles Intl to Thunder Bay

Cheapest flights from Dulles Intl to Thunder Bay
Explore the most affordable flight options available from Dulles Intl to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/264:10 pmIAD - YQT
1 stop5h 03mPorter Airlines
Tue 9/27:40 amYQT - IAD
1 stop7h 26mPorter Airlines
Deal found 7/27$417
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:45 pmIAD - YQT
3 stops16h 25mMultiple Airlines
Wed 9/37:40 amYQT - IAD
1 stop7h 26mMultiple Airlines
Deal found 7/28$495

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Thunder Bay 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 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Thunder Bay that are best for you.

Fly from

Dulles Intl

Fly to

Thunder Bay

Route

Depart

Return

Price

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 8/26

4:10 pm-9:13 pm

1 stop5h 03m

Thunder Bay

Tue 9/2

7:40 am-3:06 pm

1 stop7h 26m

$417

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 8/27

6:45 pm-11:10 am

3 stops16h 25m

Thunder Bay

Wed 9/3

7:40 am-3:06 pm

1 stop7h 26m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Dulles Intl to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay 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 Thunder Bay

Get insights into the airlines that provide service to Thunder Bay. 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 Thunder Bay. Reviews last updated July 28, 2025.
Peruse reviews from past customers who have flown with Porter Airlines from Washington, D.C. Dulles Intl Airport to Thunder Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Thunder Bay. 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 Thunder Bay from Washington, D.C. Dulles Intl?

    Thunder Bay (YQT), located 3.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Thunder Bay. 1 airline have flights to Thunder Bay from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Thunder Bay should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Thunder Bay 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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Top airline flying from Dulles Intl to Thunder Bay

Discover the top airline that operate flights from Dulles Intl to Thunder Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$385Average$419FlexibilityNo cancel feeOn-time52%

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