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Cheap flights from Thunder Bay to District of Columbia from C$ 378

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — IAD
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thunder Bay to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Thunder Bay to District of Columbia
Explore the most affordable flight options available from Thunder Bay to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Fri 12/68:15 a.m.
YQT
-
IAD
1 stop7h 06m
Porter Airlines
Tue 16/611:30 a.m.
IAD
-
YQT
1 stop5h 05m
Porter Airlines
Deal found 1/5C$ 509
Mon 1/66:00 a.m.
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Fri 5/611:30 a.m.
IAD
-
YQT
1 stop5h 05m
Porter Airlines
Deal found 30/4C$ 547
Wed 14/108:15 a.m.
YQT
-
IAD
1 stop7h 01m
Porter Airlines
Sat 17/1011:30 a.m.
IAD
-
YQT
1 stop6h 35m
Porter Airlines
Deal found 30/4C$ 597
Mon 1/65:10 a.m.
YQT
-
IAD
2 stops9h 53m
Air Canada
Fri 5/68:18 a.m.
IAD
-
YQT
2 stops9h 02m
Air Canada
Deal found 3/5C$ 660
Sat 30/511:40 a.m.
YQT
-
IAD
2 stops9h 00m
Air Canada
Sat 6/64:05 p.m.
IAD
-
YQT
1 stop7h 10m
Air Canada
Deal found 1/5C$ 661
Sat 30/511:35 a.m.
YQT
-
IAD
2 stops23h 11m
Porter Airlines
Sat 6/611:30 a.m.
IAD
-
YQT
1 stop11h 03m
Porter Airlines
Deal found 1/5C$ 667

Find flight deals from Thunder Bay to District of Columbia

Keep the following information in mind while searching for Thunder Bay to District of Columbia flight deals. Data was last updated 5 May 2026.

Round-trip from

C$ 509

One-way from

C$ 378
Porter Airlines
  • Porter Airlines
  • 12/6-12/6
  • 2 total stops
  • 10h 26m total
  • Thunder Bay to District of Columbia
Search Deals
WestJet
  • WestJet
  • 18/6
  • 1 total stop
  • 22h 20m total
  • Thunder Bay to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thunder Bay to District of Columbia 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 5 May 2026.
Use the filters below to find and compare flights from Thunder Bay to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Mon 1/6

6:00 a.m.-10:46 a.m.

1 stop4h 46m

Washington, D.C. Dulles Intl

Fri 5/6

11:30 a.m.-4:35 p.m.

1 stop5h 05m

C$ 547

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Wed 14/10

8:15 a.m.-3:16 p.m.

1 stop7h 01m

Washington, D.C. Dulles Intl

Sat 17/10

11:30 a.m.-6:05 p.m.

1 stop6h 35m

C$ 597

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Mon 1/6

5:10 a.m.-3:03 p.m.

2 stops9h 53m

Washington, D.C. Dulles Intl

Fri 5/6

8:18 a.m.-5:20 p.m.

2 stops9h 02m

C$ 660

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Sat 30/5

11:35 a.m.-10:46 a.m.

2 stops23h 11m

Washington, D.C. Dulles Intl

Sat 6/6

11:30 a.m.-10:33 p.m.

1 stop11h 03m

C$ 667

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Fri 12/6

11:35 a.m.-10:46 a.m.

2 stops23h 11m

Washington, D.C. Dulles Intl

Tue 16/6

11:30 a.m.-4:35 p.m.

1 stop5h 05m

C$ 680
Cheapest one-way
Quickest one-way

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Thu 18/6

7:50 p.m.-11:22 p.m.

2 stops27h 32m

C$ 452

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Sorted by cheapest first

Best time to book a flight from Thunder Bay to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Thunder Bay 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.

Cheapflights Insights

Everything you need to know about your flight from Thunder Bay to District of Columbia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Thunder Bay to District of Columbia. 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 from for flights from Thunder Bay to District of Columbia?

    Located just 5.6 km from the city centre, Thunder Bay (YQT) is the airport most travellers will use when flying to District of Columbia from Thunder Bay.

  • How long is the flight from Thunder Bay to District of Columbia?

    There are many flights that can get you from Thunder Bay to District of Columbia in 4h 46m. Fly via Porter Airlines to get the fastest option. Airlines will cover a distance of 1413 km.

  • Can I find deals for flights from Thunder Bay to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Thunder Bay to District of Columbia?

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

  • Can I find deals for business class flights from Thunder Bay to District of Columbia?

    Yes. Cheapflights offers flight deals from Thunder Bay to District of Columbia 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 Thunder Bay to District of Columbia?

Deals for Thunder Bay to District of Columbia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Can Cheapflights notify me if prices for flights from Thunder Bay to District of Columbia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to District of Columbia from Thunder Bay today and book when prices fit your budget.

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