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

For as low as $412, Air Canada can have you in Thunder Bay from Washington, D.C. Dulles Intl Airport in 7h 25m. The distance between Washington, D.C. Dulles Intl Airport and Thunder Bay is about 878 mi.

In terms of precipitation, rainfall in Thunder Bay ranges from 0.4 - 3.5 inches per month. July is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Thunder Bay when rainfall is around 0.4 in.

If weather is an important factor for your trip to Thunder Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.8 F).

What is the cheapest time of day to fly from IAD to YQT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Thunder Bay as you normally would.

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.

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.

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.

$192+ Flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

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Cheap flight deals from Dulles Intl to Thunder Bay

Best flights from Dulles Intl to Thunder Bay
Discover carefully curated flight deals from Dulles Intl to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 1/224:30 pmIAD - YQT

1 stop7h 25mAir Canada

Mon 1/2611:05 amYQT - IAD

2 stops9h 49mAir Canada

Deal found 12/9

$412

Last-minute flights from Dulles Intl to Thunder Bay
Discover last-minute flight deals from Dulles Intl to Thunder Bay. Data last updated December 12, 2025 and is based on user searches.

Thu 1/224:30 pmIAD - YQT

1 stop7h 25mAir Canada

Mon 1/2611:05 amYQT - IAD

1 stop4h 41mAir Canada

Deal found 12/10

$404

One-way flights from Dulles Intl to Thunder Bay
Search for one-way flight options from Dulles Intl to Thunder Bay. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Fri 1/164:30 pmIAD - YQT

1 stop6h 35mAir Canada

Deal found 12/10

$192

Fri 1/1611:35 amIAD - YQT

2 stops9h 49mPorter Airlines

Deal found 12/10

$231

Fri 1/1611:35 amIAD - YQT

3 stops27h 35mMultiple Airlines

Deal found 12/10

$356

Find flight deals from Dulles Intl to Thunder Bay

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$404 (Air Canada)
One-way from	$192 (Air Canada)

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Thunder Bay flight deals.

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From Washington, D.C. Dulles Intl to Thunder Bay

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One-way flight from Washington, D.C. Dulles Intl to Thunder Bay

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Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 1/22

4:30 pm-11:55 pm

1 stop7h 25m

Thunder Bay

Mon 1/26

11:05 am-8:54 pm

2 stops9h 49m

$412

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 1/16

4:30 pm-11:05 pm

1 stop6h 35m

$192

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 1/16

11:35 am-9:24 pm

2 stops9h 49m

$231

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 1/16

11:35 am-3:10 pm

3 stops27h 35m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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

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

8.0

Very good

397 reviews

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

8.0

Very good

397 reviews

Porter Airlines

8.0

Very good

397 reviews

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

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 $412, Air Canada can have you in Thunder Bay from Washington, D.C. Dulles Intl Airport in 7h 25m. The distance between Washington, D.C. Dulles Intl Airport and Thunder Bay is about 878 mi.
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

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Top airline flying from Dulles Intl to Thunder Bay

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$406	Average$449	FlexibilityNo cancel fee	On-time52%

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$192+ Cheap flights from Dulles Intl (IAD) to Thunder Bay (YQT)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Thunder Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Thunder Bay

Best flights from Dulles Intl to Thunder BayDiscover carefully curated flight deals from Dulles Intl to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Discover carefully curated flight deals from Dulles Intl to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Find flight deals from Dulles Intl to Thunder Bay

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Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Thunder Bay that are best for you.

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.

Reviews of airlines servicing Thunder Bay

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.

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?

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

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

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

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

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.

Alternative routes for Dulles Intl to Thunder Bay

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Thunder Bay

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Book with Flexibility

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Best flights from Dulles Intl to Thunder Bay
Discover carefully curated flight deals from Dulles Intl to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.