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Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from C$ 305

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 593

One-way from

C$ 305
Porter Airlines
  • Porter Airlines
  • 12/10-18/10
  • 3 total stops
  • 16h 41m total
  • Washington, D.C. to Thunder Bay
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/10
  • 2 total stops
  • 9h 15m total
  • Washington, D.C. to Thunder Bay
Search Deals

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 11 September 2025.

Sun 12/1011:35 a.m.IAD - YQT
2 stops9h 15mPorter Airlines
Sat 18/107:40 a.m.YQT - IAD
1 stop7h 26mPorter Airlines
Deal found 11/9C$ 593
Sun 12/1011:35 a.m.IAD - YQT
2 stops9h 15mMultiple Airlines
Sat 18/107:40 a.m.YQT - IAD
1 stop7h 26mMultiple Airlines
Deal found 11/9C$ 629

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 629,999 searches. Data last updated 11 September 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

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 593

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 629

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

C$ 305

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

6:05 a.m.-10:15 p.m.

3 stops16h 10m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

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.

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?

    Located just 5.6 km from the city centre, Thunder Bay is the airport most travellers will use when flying to Thunder Bay from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Thunder Bay (YQT) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Thunder Bay in 9h 15m. Fly via Porter Airlines to get the fastest option. Airlines will cover a distance of 1413 km.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Thunder Bay (average of C$ 207). Flying from Washington, D.C. Dulles Intl Airport to Thunder Bay in December is currently the most expensive (average of C$ 307). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Can Cheapflights find flights from Dulles Intl to Thunder Bay with no change fees?

Need flexible booking options for your flight to Thunder Bay from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Thunder Bay become cheaper?

Yes! Start tracking prices for Dulles Intl to Thunder Bay flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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