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Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from C$ 686

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
12 Jul — 19 Jul1
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 12 June 2026.

Wed 22/711:05 a.m.
IAD
-
YQT
1 stop5h 30m
Porter Airlines
Wed 29/78:15 a.m.
YQT
-
IAD
1 stop6h 56m
Porter Airlines
Deal found 7/6C$ 686
Wed 1/73:55 p.m.
IAD
-
YQT
1 stop5h 50m
Porter Airlines
Thu 2/76:00 a.m.
YQT
-
IAD
1 stop9h 11m
Porter Airlines
Deal found 8/6C$ 698
Wed 1/73:55 p.m.
IAD
-
YQT
1 stop5h 50m
Porter Airlines
Sat 4/76:00 a.m.
YQT
-
IAD
1 stop9h 11m
Porter Airlines
Deal found 8/6C$ 746
Wed 1/73:55 p.m.
IAD
-
YQT
1 stop5h 50m
Porter Airlines
Mon 6/75:15 p.m.
YQT
-
IAD
1 stop17h 10m
Porter Airlines
Deal found 8/6C$ 749
Wed 22/76:09 p.m.
IAD
-
YQT
2 stops24h 19m
Multiple Airlines
Wed 29/75:15 p.m.
YQT
-
IAD
1 stop17h 10m
Multiple Airlines
Deal found 7/6C$ 791
Thu 25/611:30 a.m.
IAD
-
YQT
1 stop5h 05m
Porter Airlines
Fri 3/75:15 p.m.
YQT
-
IAD
1 stop17h 10m
Porter Airlines
Deal found 8/6C$ 800
Tue 30/64:00 p.m.
IAD
-
YQT
1 stop5h 45m
Porter Airlines
Thu 2/76:00 a.m.
YQT
-
IAD
1 stop9h 11m
Porter Airlines
Deal found 8/6C$ 806
Sun 28/64:00 p.m.
IAD
-
YQT
1 stop5h 45m
Porter Airlines
Thu 2/76:00 a.m.
YQT
-
IAD
1 stop9h 11m
Porter Airlines
Deal found 8/6C$ 812
Thu 25/611:30 a.m.
IAD
-
YQT
1 stop5h 05m
Porter Airlines
Tue 30/68:15 a.m.
YQT
-
IAD
1 stop7h 01m
Porter Airlines
Deal found 8/6C$ 819
Tue 30/611:30 a.m.
IAD
-
YQT
1 stop7h 50m
Porter Airlines
Wed 1/78:15 a.m.
YQT
-
IAD
1 stop6h 56m
Porter Airlines
Deal found 8/6C$ 824
Sun 28/64:00 p.m.
IAD
-
YQT
1 stop5h 45m
Porter Airlines
Tue 30/66:00 a.m.
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 8/6C$ 830
Tue 30/64:00 p.m.
IAD
-
YQT
1 stop5h 45m
Porter Airlines
Sat 4/78:15 a.m.
YQT
-
IAD
1 stop6h 56m
Porter Airlines
Deal found 8/6C$ 838

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 12 June 2026.

Round-trip from

C$ 686
Porter Airlines
  • Porter Airlines
  • 22/7-29/7
  • 2 total stops
  • 12h 26m 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 12 June 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

Wed 22/7

11:05 a.m.-4:35 p.m.

1 stop5h 30m

Thunder Bay

Wed 29/7

8:15 a.m.-3:11 p.m.

1 stop6h 56m

C$ 686

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/7

3:55 p.m.-9:45 p.m.

1 stop5h 50m

Thunder Bay

Fri 3/7

11:35 a.m.-10:25 a.m.

2 stops22h 50m

C$ 939

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 17/10

11:25 a.m.-6:05 p.m.

1 stop6h 40m

Thunder Bay

Tue 20/10

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

1 stop4h 45m

C$ 946

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 17/10

4:00 p.m.-10:48 p.m.

1 stop6h 48m

Thunder Bay

Tue 20/10

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

2 stops9h 45m

C$ 965

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 6/9

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

1 stop5h 55m

Thunder Bay

Thu 28/1

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

1 stop6h 34m

C$ 968

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 17/10

4:00 p.m.-10:48 p.m.

1 stop6h 48m

Thunder Bay

Tue 20/10

5:15 a.m.-4:07 p.m.

1 stop10h 52m

C$ 988
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 22/9

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

1 stop5h 10m

Thunder Bay

Thu 24/9

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

1 stop4h 45m

C$ 1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Sorted by cheapest first

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 6h 40m. Fly via Porter Airlines or Air Canada to get the fastest option. Airlines will cover a distance of 1413 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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?

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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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