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Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from C$ 249

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Thunder Bay

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 July 2026.

Thu 24/93:50 p.m.
IAD
-
YQT
1 stop5h 55m
Porter Airlines
Tue 29/96:00 a.m.
YQT
-
IAD
1 stop4h 45m
Porter Airlines
Deal found 23/7C$ 757
Tue 1/93:50 p.m.
IAD
-
YQT
1 stop5h 55m
Porter Airlines
Sat 5/98:15 a.m.
YQT
-
IAD
1 stop6h 55m
Porter Airlines
Deal found 22/7C$ 776
Thu 24/93:50 p.m.
IAD
-
YQT
1 stop5h 55m
Porter Airlines
Thu 1/108:15 a.m.
YQT
-
IAD
1 stop6h 55m
Porter Airlines
Deal found 23/7C$ 778
Tue 22/911:25 a.m.
IAD
-
YQT
1 stop25h 35m
Porter Airlines
Tue 29/96:00 a.m.
YQT
-
IAD
1 stop4h 45m
Porter Airlines
Deal found 23/7C$ 789
Tue 6/1011:25 a.m.
IAD
-
YQT
1 stop5h 10m
Porter Airlines
Sat 10/106:00 a.m.
YQT
-
IAD
1 stop4h 45m
Porter Airlines
Deal found 23/7C$ 796
Tue 22/911:25 a.m.
IAD
-
YQT
1 stop25h 35m
Porter Airlines
Thu 1/108:15 a.m.
YQT
-
IAD
1 stop6h 55m
Porter Airlines
Deal found 23/7C$ 810
Tue 22/911:25 a.m.
IAD
-
YQT
1 stop25h 35m
Porter Airlines
Wed 30/95:15 p.m.
YQT
-
IAD
1 stop17h 30m
Porter Airlines
Deal found 23/7C$ 823
Tue 1/912:35 p.m.
IAD
-
YQT
2 stops10h 54m
Air Canada
Sat 5/95:10 a.m.
YQT
-
IAD
2 stops6h 34m
Air Canada
Deal found 22/7C$ 905

Find 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 July 2026.

Round-trip from

C$ 757

One-way from

C$ 249
Porter Airlines
  • Porter Airlines
  • 24/9-29/9
  • 2 total stops
  • 10h 40m total
  • Washington, D.C. to Thunder Bay
Search Deals
31/8
  • 31/8
  • 1 total stop
  • 21h 30m total
  • Washington, D.C. to Thunder Bay
Search Deals

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 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 1/9

3:50 p.m.-9:45 p.m.

1 stop5h 55m

Thunder Bay

Sat 5/9

8:15 a.m.-3:10 p.m.

1 stop6h 55m

C$ 776
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 6/10

11:25 a.m.-4:35 p.m.

1 stop5h 10m

Thunder Bay

Sat 10/10

6:00 a.m.-10:45 a.m.

1 stop4h 45m

C$ 796

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 6/10

12:35 p.m.-10:48 p.m.

2 stops10h 13m

Thunder Bay

Sat 10/10

5:15 a.m.-3:00 p.m.

2 stops9h 45m

C$ 1,017

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 23/9

4:00 p.m.-11:03 p.m.

1 stop7h 03m

Thunder Bay

Wed 30/9

5:05 a.m.-3:00 p.m.

2 stops9h 55m

C$ 1,146
Cheapest one-way

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mon 31/8

11:25 a.m.-8:55 a.m.

1 stop21h 30m

C$ 249

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 2/9

3:50 p.m.-8:55 a.m.

1 stop17h 05m

C$ 261

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 5/9

3:50 p.m.-8:55 a.m.

1 stop17h 05m

C$ 261

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 1/9

11:25 a.m.-10:33 p.m.

1 stop11h 08m

C$ 338

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 3/9

11:25 a.m.-9:45 p.m.

1 stop10h 20m

C$ 362
Quickest one-way

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 4/9

3:50 p.m.-9:45 p.m.

1 stop5h 55m

C$ 389

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 14 resultsSorted by cheapest first
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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 5h 55m. 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.

See more FAQs

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How does Cheapflights help users find flights from Dulles Intl to Thunder Bay?

When you search for this flight from Dulles Intl to Thunder Bay, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Thunder Bay?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Thunder Bay from Dulles Intl.

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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