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Thunder Bay

$459+ Cheap flights from Dulles Intl (IAD) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQT
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Thunder Bay

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 January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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.
Wed 3/1111:40 am
IAD
-
YQT
1 stop8h 02m
Porter Airlines
Wed 3/1810:40 am
YQT
-
IAD
1 stop6h 34m
Porter Airlines
Deal found 1/25$459
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 3/116:20 am
IAD
-
YQT
2 stops32h 51m
Multiple Airlines
Wed 3/184:15 pm
YQT
-
IAD
1 stop18h 09m
Multiple Airlines
Deal found 1/25$465
This Gotogate deal was found by Cheapflights users on 1/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:05 pm
IAD
-
YQT
1 stop5h 55m
Porter Airlines
Tue 8/186:00 am
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 1/25$498
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Fri 6/194:05 pm
IAD
-
YQT
1 stop6h 44m
Air Canada
Thu 6/2511:55 am
YQT
-
IAD
1 stop8h 29m
Air Canada
Deal found 1/26$510
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:30 am
IAD
-
YQT
1 stop6h 35m
Porter Airlines
Wed 8/266:00 am
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 1/26$557
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Fri 6/194:05 pm
IAD
-
YQT
1 stop6h 44m
Air Canada
Sun 6/285:15 am
YQT
-
IAD
1 stop10h 14m
Air Canada
Deal found 1/26$577
This Air Canada deal was found by Cheapflights users on 1/25. 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 2/218:40 am
IAD
-
YQT
1 stop14h 25m
Air Canada
Wed 2/2511:15 am
YQT
-
IAD
1 stop4h 34m
Air Canada
Deal found 1/25$677
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 6/194:05 pm
IAD
-
YQT
1 stop6h 44m
United Airlines
Thu 6/2511:55 am
YQT
-
IAD
2 stops11h 05m
United Airlines
Deal found 1/26$722
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 8/146:00 am
IAD
-
YQT
2 stops11h 24m
United Airlines
Tue 8/1811:25 am
YQT
-
IAD
2 stops11h 35m
United Airlines
Deal found 1/25$732

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$459
(Mytrip)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Thunder Bay flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Thunder Bay flights.
Search Deals
From Washington, D.C. Dulles Intl 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 2,558,603 searches. Data last updated January 26, 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

Dulles Intl

Fly to

Thunder Bay

Route

Depart

Return

Price

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 3/11

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Wed 3/18

10:40 am-5:14 pm

1 stop6h 34m

$459

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-3:11 pm

2 stops32h 51m

Thunder Bay

Wed 3/18

4:15 pm-10:24 am

1 stop18h 09m

$465

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 6/19

4:05 pm-10:49 pm

1 stop6h 44m

Thunder Bay

Thu 6/25

11:55 am-8:24 pm

1 stop8h 29m

$510

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 6/19

4:05 pm-10:49 pm

1 stop6h 44m

Thunder Bay

Sun 6/28

5:15 am-3:29 pm

1 stop10h 14m

$577

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 2/21

8:40 am-11:05 pm

1 stop14h 25m

Thunder Bay

Wed 2/25

11:15 am-3:49 pm

1 stop4h 34m

$677

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 6/19

4:05 pm-10:49 pm

1 stop6h 44m

Thunder Bay

Thu 6/25

11:55 am-11:00 pm

2 stops11h 05m

$722

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 6/19

4:05 pm-10:49 pm

1 stop6h 44m

Thunder Bay

Sun 6/28

11:55 am-11:57 pm

2 stops12h 02m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Thunder Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Thunder Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 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.

Reviews of airlines servicing Thunder Bay

Get insights into the airlines that provide service to Thunder Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thunder Bay. Reviews last updated January 26, 2026.
Peruse reviews from past customers who have flown with Porter Airlines from Washington, D.C. Dulles Intl Airport to Thunder Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Thunder Bay (YQT), located 3.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Thunder Bay. 1 airline have flights to Thunder Bay from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Thunder Bay should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

    For as low as $510, Porter Airlines can have you in Thunder Bay from Washington, D.C. Dulles Intl Airport in 6h 44m. The distance between Washington, D.C. Dulles Intl Airport and Thunder Bay is about 878 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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Alternative routes for Dulles Intl to Thunder Bay

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Thunder Bay

Discover the top airline that operate flights from Dulles Intl 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$190Average$449FlexibilityNo cancel feeOn-time52%

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