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Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from $595

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Thunder Bay departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 am - 7:42 pmIAD-YQT
8h 02m1 stop
Porter Airlines Logo
10:40 am - 5:14 pmYQT-IAD
6h 34m1 stop
$595Porter Airlines
Find Deal
Wed, Apr 1 - Sun, Apr 5
Air Canada Logo
4:30 pm - 10:59 pmIAD-YQT
6h 29m1 stop
Air Canada Logo
5:00 am - 7:40 pmYQT-IAD
14h 40m2 stops
$602Air Canada
Find Deal
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
6:20 am - 6:19 pmIAD-YQT
11h 59m2 stops
United Airlines Logo
11:10 am - 11:57 pmYQT-IAD
12h 47m2 stops
$684United Airlines
Find Deal
Wed, Apr 1 - Sun, Apr 5

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

Wed 4/1

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Sun 4/5

10:40 am-5:14 pm

1 stop6h 34m

$595

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 4/1

4:30 pm-10:59 pm

1 stop6h 29m

Thunder Bay

Sun 4/5

5:00 am-7:40 pm

2 stops14h 40m

$602

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 4/1

6:20 am-6:19 pm

2 stops11h 59m

Thunder Bay

Sun 4/5

11:10 am-11:57 pm

2 stops12h 47m

$684

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Thunder Bay

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Thunder Bay?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Thunder Bay is on a Friday when prices can be found for as low as $388. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Thunder Bay on Tuesday is $543.

What is the cheapest time of day to depart on your flight to Thunder Bay?

According to our data, the cheapest time of day to fly to Thunder Bay is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Thunder Bay in the morning for as low as $388. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Thunder Bay are more costly at noon, with an average ticket price of $477. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Thunder Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Thunder Bay (IAD to YQT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Thunder Bay

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Thunder Bay. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Thunder Bay.
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  • How far is Washington, D.C. Dulles Intl to Thunder Bay by plane?

    Thunder Bay is 876.4 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 6h 29m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport.

  • What documentation or ID do you need to fly to Thunder Bay Airport?

    The travel and health documents required for your trip to Thunder Bay Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thunder Bay Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Thunder Bay?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Thunder Bay

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Thunder Bay with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $385Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Thunder Bay?

It is quick and easy to find Washington, D.C. to Thunder Bay flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Thunder Bay that suits you.

Can I find flights from Washington, D.C. to Thunder Bay with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Thunder Bay from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Thunder Bay?

Once all potential Washington, D.C. to Thunder Bay flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Thunder Bay right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Thunder Bay, momondo offers a useful price alert feature which will track prices for flights to Thunder Bay from Washington, D.C. and alert you when they change.

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