Thunder Bay

$471+ Cheap flights from Washington, D.C. (WAS) to Thunder Bay (YQT)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YQT
Mar 1 — Mar 81
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Cheap flight deals from Washington, D.C. to Thunder Bay

Cheapest flights from Washington, D.C. to Thunder Bay
Explore the most affordable flight options available from Washington, D.C. to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:30 pm
IAD
-
YQT
1 stop7h 05m
Air Canada
Sun 3/225:00 am
YQT
-
IAD
1 stop10h 46m
Air Canada
Deal found 1/29$471
This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:50 pm
DCA
-
YQT
1 stop4h 45m
Air Canada
Sun 3/225:00 am
YQT
-
DCA
1 stop13h 05m
Air Canada
Deal found 1/29$471
This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:10 pm
IAD
-
YQT
1 stop7h 05m
Air Canada
Sun 6/1411:45 am
YQT
-
IAD
1 stop8h 44m
Air Canada
Deal found 1/29$510
This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:00 am
DCA
-
YQT
1 stop6h 15m
Air Canada
Sun 6/146:15 pm
YQT
-
DCA
1 stop14h 38m
Air Canada
Deal found 1/29$510
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:15 am
IAD
-
YQT
2 stops37h 09m
Multiple Airlines
Sun 3/224:15 pm
YQT
-
IAD
1 stop18h 09m
Multiple Airlines
Deal found 1/29$511
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/219:40 am
DCA
-
YQT
1 stop13h 25m
Air Canada
Sun 2/225:00 am
YQT
-
DCA
2 stops7h 19m
Air Canada
Deal found 1/28$569
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 pm
IAD
-
YQT
2 stops16h 40m
Porter Airlines
Sun 3/226:00 am
YQT
-
IAD
2 stops11h 14m
Porter Airlines
Deal found 1/29$573
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:30 am
DCA
-
YQT
2 stops9h 45m
United Airlines
Sun 6/1411:45 am
YQT
-
DCA
1 stop6h 28m
United Airlines
Deal found 1/29$581
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:10 pm
IAD
-
YQT
1 stop7h 05m
United Airlines
Sun 6/1411:45 am
YQT
-
IAD
2 stops11h 27m
United Airlines
Deal found 1/29$587
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 am
DCA
-
YQT
2 stops17h 05m
United Airlines
Sun 3/227:25 pm
YQT
-
DCA
1 stop13h 30m
United Airlines
Deal found 1/29$592
This deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:05 pm
IAD
-
YQT
1 stop5h 55m
Porter Airlines
Sun 6/286:00 am
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 1/28$653
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:50 pm
IAD
-
YQT
1 stop5h 52m
Porter Airlines
Sun 2/1510:30 am
YQT
-
IAD
1 stop6h 44m
Porter Airlines
Deal found 1/29$671

Find flight deals from Washington, D.C. to Thunder Bay

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(Air Canada)
Provider with most accurate pricing for Washington, D.C. (WAS)-Thunder Bay flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Thunder Bay flights.
From Washington, D.C. (WAS) to Thunder Bay

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 2,558,603 searches. Data last updated January 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Thunder Bay that are best for you.

Fly from

Washington, D.C.

Fly to

Thunder Bay

Route

Depart

Return

Price

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 3/15

4:30 pm-11:35 pm

1 stop7h 05m

Thunder Bay

Sun 3/22

5:00 am-3:46 pm

1 stop10h 46m

$471

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 3/15

6:50 pm-11:35 pm

1 stop4h 45m

Thunder Bay

Sun 3/22

5:00 am-6:05 pm

1 stop13h 05m

$471

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 6/7

4:10 pm-11:15 pm

1 stop7h 05m

Thunder Bay

Sun 6/14

11:45 am-8:29 pm

1 stop8h 44m

$510

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 6/7

11:00 am-5:15 pm

1 stop6h 15m

Thunder Bay

Sun 6/14

6:15 pm-8:53 am

1 stop14h 38m

$510

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 2/21

9:40 am-11:05 pm

1 stop13h 25m

Thunder Bay

Sun 2/22

5:00 am-12:19 pm

2 stops7h 19m

$569

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 3/15

6:30 pm-11:10 am

2 stops16h 40m

Thunder Bay

Sun 3/22

6:00 am-5:14 pm

2 stops11h 14m

$573

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 6/7

7:30 am-5:15 pm

2 stops9h 45m

Thunder Bay

Sun 6/14

11:45 am-6:13 pm

1 stop6h 28m

$581

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 6/7

4:10 pm-11:15 pm

1 stop7h 05m

Thunder Bay

Sun 6/14

11:45 am-11:12 pm

2 stops11h 27m

$587

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 3/15

6:30 am-11:35 pm

2 stops17h 05m

Thunder Bay

Sun 3/22

7:25 pm-8:55 am

1 stop13h 30m

$592

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 3/15

7:00 am-10:21 am

3 stops27h 21m

Thunder Bay

Sun 3/22

6:00 am-5:14 pm

2 stops11h 14m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 16 results
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  • Most accurate provider: When it comes to deals on Washington, D.C.-Thunder Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Thunder Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Thunder Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Thunder Bay flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Thunder Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from Washington, D.C. 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 Washington, D.C. to Thunder Bay
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 Washington, D.C. 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.?

    Located just 3.5 mi from the city center, Thunder Bay is the airport most travelers will use when flying to Thunder Bay from Washington, D.C.. Booking flights from Washington, D.C. to Thunder Bay (YQT) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 1 airline.

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

    Airlines like Air Canada, Porter Airlines, and United Airlines fly from Washington, D.C. to Thunder Bay in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 9h 35m. Airlines will cover a distance of 878 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. to Thunder Bay round-trip?

    Porter Airlines, at $190, was found to be the cheapest airline from Washington, D.C. to Thunder Bay..

  • What are the most popular routes from Washington, D.C. to Thunder Bay?

  • Can I find deals for flights from Washington, D.C. to Thunder Bay that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Thunder Bay?

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

  • Can I find deals for business class flights from Washington, D.C. to Thunder Bay?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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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Top airline flying from Washington, D.C. to Thunder Bay

Discover the top airline that operate flights from Washington, D.C. to Thunder Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$190Average$449FlexibilityNo cancel feeOn-time52%

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