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

For as low as $428, Porter Airlines can have you in Thunder Bay from Washington, D.C. Dulles Intl Airport in 9h 15m. The distance between Washington, D.C. Dulles Intl Airport and Thunder Bay is about 878 mi.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Thunder Bay?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Thunder Bay flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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.

$220+ Flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

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Cheap flight deals from Dulles Intl to Thunder Bay

Round-trip from	$428 (Trip.com)
One-way from	$220 (Kiwi.com)

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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Find 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 September 11, 2025.

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mPorter Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mPorter Airlines

Deal found 9/11

$428

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mMultiple Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mMultiple Airlines

Deal found 9/11

$454

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 September 11, 2025.

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mPorter Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mPorter Airlines

Deal found 9/11

$428

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mMultiple Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mMultiple Airlines

Deal found 9/11

$454

Last-minute flights from Dulles Intl to Thunder Bay
Discover last-minute flight deals from Dulles Intl to Thunder Bay. Data last updated September 11, 2025 and is based on user searches.

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mPorter Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mPorter Airlines

Deal found 9/11

$428

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mMultiple Airlines

Sat 10/187:40 amYQT - IAD

1 stop7h 26mMultiple Airlines

Deal found 9/11

$454

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 September 11, 2025.

Sun 10/1211:35 amIAD - YQT

2 stops9h 15mPorter Airlines

Deal found 9/11

$220

Sun 10/126:05 amIAD - YQT

3 stops16h 10mMultiple Airlines

Deal found 9/11

$377

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

Sun 10/12

11:35 am-8:50 pm

2 stops9h 15m

Thunder Bay

Sat 10/18

7:40 am-3:06 pm

1 stop7h 26m

$428

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 10/12

11:35 am-8:50 pm

2 stops9h 15m

Thunder Bay

Sat 10/18

7:40 am-3:06 pm

1 stop7h 26m

$454

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 10/12

11:35 am-8:50 pm

2 stops9h 15m

$220

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 10/12

6:05 am-10:15 pm

3 stops16h 10m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

7.9

Good

363 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

7.9

Good

363 reviews

Porter Airlines

7.9

Good

363 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

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 $428, Porter Airlines can have you in Thunder Bay from Washington, D.C. Dulles Intl Airport in 9h 15m. 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

Browse thousands of different options on Cheapflights for your next trip

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$385	Average$423	FlexibilityNo cancel fee	On-time52%

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$220+ 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 10/12. 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

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2. Select your favorite providers

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Cheap flight deals from Dulles Intl to Thunder Bay

Round-trip from

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Find flight deals from Dulles Intl to Thunder Bay

Cheapest flights from Dulles Intl to Thunder BayExplore 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 September 11, 2025.

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 September 11, 2025.

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

Travel Smart

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 September 11, 2025.