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Cheap flights from Thunder Bay to Washington, D.C. Dulles Intl Airport from C$ 626

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — IAD
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Thunder Bay to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Thunder Bay to Dulles Intl
Explore the most affordable flight options available from Thunder Bay to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2025.

Fri 21/1110:40 a.m.YQT - IAD
1 stop6h 34mPorter Airlines
Wed 26/1111:40 a.m.IAD - YQT
1 stop8h 02mPorter Airlines
Deal found 27/10C$ 647
Fri 21/112:25 p.m.YQT - IAD
1 stop22h 04mMultiple Airlines
Wed 26/118:44 a.m.IAD - YQT
2 stops36h 41mMultiple Airlines
Deal found 27/10C$ 659

Cheap flight deals from Thunder Bay to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Thunder Bay (YQT) to Dulles Intl (IAD). 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$ 626
Air Canada
  • Air Canada
  • 24/4-28/4
  • 2 total stops
  • 11h 14m total
  • Thunder Bay to Washington, D.C.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Thunder Bay to Dulles Intl 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 Thunder Bay to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Thunder Bay

Fly to

Dulles Intl

Route

Depart

Return

Price

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Fri 24/4

11:10 a.m.-3:55 p.m.

1 stop4h 45m

Washington, D.C. Dulles Intl

Tue 28/4

4:30 p.m.-10:59 p.m.

1 stop6h 29m

C$ 626

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Fri 21/11

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

1 stop6h 34m

Washington, D.C. Dulles Intl

Wed 26/11

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

1 stop8h 02m

C$ 647

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Fri 21/11

2:25 p.m.-12:29 p.m.

1 stop22h 04m

Washington, D.C. Dulles Intl

Wed 26/11

8:44 a.m.-9:25 p.m.

2 stops36h 41m

C$ 659

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Best time to book a flight from Thunder Bay to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Thunder Bay to Dulles Intl. 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 Washington, D.C. Dulles Intl?

    Most people fly from Thunder Bay (YQT) if they book a flight from Thunder Bay to Washington, D.C. Dulles Intl. On average, Thunder Bay has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Thunder Bay is conveniently located just 5.6 km from Thunder Bay’s city centre.

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

    A quick flight from Thunder Bay to Washington, D.C. Dulles Intl Airport can take about 4h 45m. Air Canada provides one of the quickest options available for as low as C$ 626. The distance between Thunder Bay and Washington, D.C. Dulles Intl Airport is about 1413 km.

  • Can I find deals for flights from Thunder Bay to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Thunder Bay to Dulles Intl?

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

  • Can I find deals for business class flights from Thunder Bay to Dulles Intl?

    Yes. Cheapflights offers flight deals from Thunder Bay to Dulles Intl 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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Warrenton
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Arlington
Winchester
Manassas
Fredericksburg
Alexandria
Rockville

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

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