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Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from C$ 652

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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 27 October 2025.

Round-trip from

C$ 652
Porter Airlines
  • Porter Airlines
  • 9/12-16/12
  • 3 total stops
  • 36h 08m total
  • Washington, D.C. to Thunder Bay
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Enter your travel dates to find the best prices.

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 27 October 2025.

Tue 9/126:30 p.m.IAD - YQT
2 stops26h 54mPorter Airlines
Tue 16/128:00 a.m.YQT - IAD
1 stop9h 14mPorter Airlines
Deal found 25/10C$ 652
Tue 9/129:45 a.m.IAD - YQT
3 stops11h 39mMultiple Airlines
Tue 16/1210:40 a.m.YQT - IAD
1 stop6h 34mMultiple Airlines
Deal found 25/10C$ 708
Wed 12/1111:40 a.m.IAD - YQT
2 stops23h 29mPorter Airlines
Sat 15/118:00 a.m.YQT - IAD
1 stop4h 29mPorter Airlines
Deal found 26/10C$ 989
Wed 12/116:59 p.m.IAD - YQT
2 stops20h 16mWestJet
Sat 15/113:45 p.m.YQT - IAD
2 stops22h 55mWestJet
Deal found 26/10C$ 2,327

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 27 October 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 9/12

6:30 p.m.-9:24 p.m.

2 stops26h 54m

Thunder Bay

Tue 16/12

8:00 a.m.-5:14 p.m.

1 stop9h 14m

C$ 652

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 9/12

9:45 a.m.-9:24 p.m.

3 stops11h 39m

Thunder Bay

Tue 16/12

10:40 a.m.-5:14 p.m.

1 stop6h 34m

C$ 708

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/4

11:40 a.m.-7:42 p.m.

1 stop8h 02m

Thunder Bay

Sun 5/4

10:40 a.m.-5:14 p.m.

1 stop6h 34m

C$ 833

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/4

9:55 a.m.-6:19 p.m.

2 stops8h 24m

Thunder Bay

Sun 5/4

5:00 a.m.-3:55 p.m.

1 stop10h 55m

C$ 887

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 12/11

11:40 a.m.-11:09 a.m.

2 stops23h 29m

Thunder Bay

Sat 15/11

8:00 a.m.-12:29 p.m.

1 stop4h 29m

C$ 989

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

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 26h 54m. 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.

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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?

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