Find flights
FAQs

Cheap flights from Thunder Bay to Washington, D.C. Dulles Intl Airport from C$ 191

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — IAD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Find flight deals from Thunder Bay to Dulles Intl

One-way flights from Thunder Bay to Dulles Intl
Search for one-way flight options from Thunder Bay to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Fri 24/103:25 p.m.YQT - IAD
3 stops23h 52mMultiple Airlines
Deal found 9/9C$ 191
Fri 24/107:40 a.m.YQT - IAD
1 stop7h 26mPorter Airlines
Deal found 9/9C$ 244
Sat 25/107:40 a.m.YQT - IAD
1 stop7h 26mPorter Airlines
Deal found 10/9C$ 277
Sat 25/1011:45 a.m.YQT - IAD
3 stops24h 12mMultiple Airlines
Deal found 10/9C$ 552

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 11 September 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 24/10

3:25 p.m.-3:17 p.m.

3 stops23h 52m

C$ 191

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Fri 24/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 244

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Sat 25/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 277

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Sat 25/10

11:45 a.m.-11:57 a.m.

3 stops24h 12m

C$ 552

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

  • 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.

  • What is the cheapest month to book a flight from Thunder Bay to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Thunder Bay to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Thunder Bay to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Thunder Bay to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Thunder Bay to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Thunder Bay to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Thunder Bay? 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 Thunder Bay to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Thunder Bay to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.