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Cheap flights from Washington, D.C. to Thunder Bay from $471

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 1/1. 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. to Thunder Bay

Cheap round-trip flights

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Porter Airlines Logo
6:30 pm - 11:09 amIAD-YQT
16h 39m2 stops
Porter Airlines Logo
2:25 pm - 10:24 amYQT-IAD
19h 59m1 stop
$471Porter Airlines
Find Deal
Thu, Jan 1 - Wed, Jan 7
Air Canada Logo
4:30 pm - 11:05 pmIAD-YQT
6h 35m1 stop
Air Canada Logo
11:15 am - 3:46 pmYQT-IAD
4h 31m1 stop
$480Air Canada
Find Deal
Thu, Jan 1 - Wed, Jan 7
Multiple Airlines Logo
6:30 pm - 11:09 amIAD-YQT
16h 39m2 stops
Multiple Airlines Logo
7:45 am - 10:24 amYQT-IAD
26h 39m3 stops
$572Multiple Airlines
Find Deal
Thu, Jan 1 - Wed, Jan 7
Air Canada Logo
4:30 pm - 11:05 pmIAD-YQT
6h 35m1 stop
Air Canada Logo
7:20 pm - 11:35 amYQT-IAD
16h 15m3 stops
$576Air Canada
Find Deal
Thu, Jan 1 - Wed, Jan 7
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
$594Porter Airlines
Find Deal
Wed, Apr 1 - Sun, Apr 5
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
Air Canada Logo
8:15 am - 6:19 pmIAD-YQT
10h 04m2 stops
Air Canada Logo
5:00 am - 4:30 pmYQT-IAD
11h 30m2 stops
$725Air Canada
Find Deal
Wed, Apr 1 - Sun, Apr 5
Air Canada Logo
8:15 am - 6:19 pmIAD-YQT
10h 04m2 stops
Air Canada Logo
5:00 am - 4:30 pmYQT-IAD
11h 30m2 stops
$730Air Canada
Find Deal
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
6:30 am - 10:59 pmBWI-YQT
16h 29m2 stops
United Airlines Logo
5:00 am - 9:33 pmYQT-BWI
16h 33m2 stops
$841United Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8

Air Canada flights from Washington, D.C. to Thunder Bay

Our best Air Canada deals on Washington, D.C. to Thunder Bay flight tickets
Air Canada
Jan 1
IAD4:30 pmWashington, D.C. Dulles Intl
6h 35m
1 stop
YQT11:05 pmThunder Bay
Jan 7
YQT11:15 amThunder Bay
4h 31m
1 stop
IAD3:46 pmWashington, D.C. Dulles Intl
$480
Find similar
Air Canada
Jan 1
IAD4:30 pmWashington, D.C. Dulles Intl
6h 35m
1 stop
YQT11:05 pmThunder Bay
Jan 7
YQT7:20 pmThunder Bay
16h 15m
3 stops
IAD11:35 amWashington, D.C. Dulles Intl
$576
Find similar
Air Canada
Apr 1
IAD4:30 pmWashington, D.C. Dulles Intl
6h 29m
1 stop
YQT10:59 pmThunder Bay
Apr 5
YQT5:00 amThunder Bay
14h 40m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl
$602
Find similar

Porter Airlines flights from Washington, D.C. to Thunder Bay

Our best Porter Airlines deals on Washington, D.C. to Thunder Bay flight tickets
Porter Airlines
Jan 1
IAD6:30 pmWashington, D.C. Dulles Intl
16h 39m
2 stops
YQT11:09 amThunder Bay
Jan 7
YQT2:25 pmThunder Bay
19h 59m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
$471
Find similar
Porter Airlines
Apr 1
IAD11:40 amWashington, D.C. Dulles Intl
8h 02m
1 stop
YQT7:42 pmThunder Bay
Apr 5
YQT10:40 amThunder Bay
6h 34m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$594
Find similar
Porter Airlines
Apr 1
IAD11:40 amWashington, D.C. Dulles Intl
8h 02m
1 stop
YQT7:42 pmThunder Bay
Apr 5
YQT10:40 amThunder Bay
6h 34m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$595
Find similar

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 832,500 searches. Data last updated November 12, 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

Thu 1/1

6:30 pm-11:09 am

2 stops16h 39m

Thunder Bay

Wed 1/7

2:25 pm-10:24 am

1 stop19h 59m

$471

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 1/1

4:30 pm-11:05 pm

1 stop6h 35m

Thunder Bay

Wed 1/7

11:15 am-3:46 pm

1 stop4h 31m

$480

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 1/1

6:30 pm-11:09 am

2 stops16h 39m

Thunder Bay

Wed 1/7

7:45 am-10:24 am

3 stops26h 39m

$572

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 1/1

4:30 pm-11:05 pm

1 stop6h 35m

Thunder Bay

Wed 1/7

7:20 pm-11:35 am

3 stops16h 15m

$576

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

$594

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

8:15 am-6:19 pm

2 stops10h 04m

Thunder Bay

Sun 4/5

5:00 am-4:30 pm

2 stops11h 30m

$725

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 4/1

8:15 am-6:19 pm

2 stops10h 04m

Thunder Bay

Sun 4/5

5:00 am-4:30 pm

2 stops11h 30m

$730

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 4/7

6:30 am-10:59 pm

2 stops16h 29m

Thunder Bay

Wed 4/8

5:00 am-9:33 pm

2 stops16h 33m

$841

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Thunder Bay from

How to get the cheapest flight ticket from Washington, D.C. 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. 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. 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. 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?

    The distance between Washington, D.C. and Thunder Bay is about 892.6 mi. Flights usually cover this in 6h 29m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required travel and health documents for your Thunder Bay Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Thunder Bay Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. to Thunder Bay with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $385Free CancellationRating
8.0
389 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Thunder Bay for you.

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

Yes. All flights to Thunder Bay from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thunder Bay from Washington, D.C..

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

Yes. momondo can track prices for Washington, D.C. to Thunder Bay flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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