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Cheap flights from Washington, D.C. to Thunder Bay from C$ 839

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. to Thunder Bay departing on 1/4. 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. to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 a.m. - 7:42 p.m.IAD-YQT
8h 02m1 stop
Porter Airlines Logo
10:40 a.m. - 5:14 p.m.YQT-IAD
6h 34m1 stop
C$ 839Porter Airlines
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Air Canada Logo
4:30 p.m. - 10:59 p.m.IAD-YQT
6h 29m1 stop
Air Canada Logo
5:00 a.m. - 7:40 p.m.YQT-IAD
14h 40m2 stops
C$ 849Air Canada
Find Deal
Wed, 1 Apr - Sun, 5 Apr
United Airlines Logo
6:20 a.m. - 6:19 p.m.IAD-YQT
11h 59m2 stops
United Airlines Logo
11:10 a.m. - 11:57 p.m.YQT-IAD
12h 47m2 stops
C$ 965United Airlines
Find Deal
Wed, 1 Apr - Sun, 5 Apr

momondo 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, momondo users made 96,600 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Washington, D.C. 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 1/4

11:40 a.m.-7:42 p.m.

1 stop8h 02m

Thunder Bay

Sun 5/4

10:40 a.m.-5:14 p.m.

1 stop6h 34m

C$ 839

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/4

4:30 p.m.-10:59 p.m.

1 stop6h 29m

Thunder Bay

Sun 5/4

5:00 a.m.-7:40 p.m.

2 stops14h 40m

C$ 849

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/4

6:20 a.m.-6:19 p.m.

2 stops11h 59m

Thunder Bay

Sun 5/4

11:10 a.m.-11:57 p.m.

2 stops12h 47m

C$ 965

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Thunder Bay (WAS to YQT) flight deals and tips

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

Direct flights

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

    A flight from Washington, D.C. to Thunder Bay will travel around 1436.5 km. A reasonable flight in good conditions will take 6h 29m.

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

    Prices for flights from Washington, D.C. to Thunder Bay Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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.

  • How do I get Price Alerts for flights from Washington, D.C. to Thunder Bay?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. to Thunder Bay. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. to Thunder Bay with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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?

Flights from Washington, D.C. to Thunder Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Thunder Bay.

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

Of course. momondo tracks the price of Washington, D.C. to Thunder Bay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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