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Cheap flights from Washington, D.C. to Thunder Bay from $421

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 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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.
Multiple Airlines Logo
11:30 am - 6:05 pm
IAD
-
YQT
6h 35m
1 stop
Multiple Airlines Logo
7:50 pm - 6:10 pm
YQT
-
IAD
22h 20m
1 stop
$421Multiple Airlines
Sat, May 23 - Sun, May 31
Multiple Airlines Logo
11:30 am - 8:55 am
IAD
-
YQT
21h 25m
1 stop
Multiple Airlines Logo
11:35 am - 10:46 am
YQT
-
IAD
23h 11m
2 stops
$476Multiple Airlines
Sat, May 23 - Sun, May 31
Porter Airlines Logo
11:30 am - 4:05 pm
IAD
-
YQT
4h 35m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$500Porter Airlines
Sun, Aug 2 - Sun, Aug 9
Porter Airlines Logo
4:05 pm - 9:50 pm
IAD
-
YQT
5h 45m
1 stop
Porter Airlines Logo
8:20 am - 3:21 pm
YQT
-
IAD
7h 01m
1 stop
$509Porter Airlines
Thu, Jul 23 - Sun, Jul 26
Air Canada Logo
11:00 am - 5:15 pm
DCA
-
YQT
6h 15m
1 stop
Air Canada Logo
6:15 pm - 8:53 am
YQT
-
DCA
14h 38m
1 stop
$541Air Canada
Sat, May 23 - Sun, May 31
Air Canada Logo
11:00 am - 5:24 pm
DCA
-
YQT
6h 24m
1 stop
Air Canada Logo
11:25 am - 6:12 pm
YQT
-
DCA
6h 47m
1 stop
$574Air Canada
Sun, Aug 2 - Sun, Aug 9
United Airlines Logo
11:00 am - 5:15 pm
DCA
-
YQT
6h 15m
1 stop
United Airlines Logo
6:15 pm - 2:23 pm
YQT
-
DCA
20h 08m
2 stops
$642United Airlines
Sat, May 23 - Sun, May 31
United Airlines Logo
4:25 pm - 10:49 pm
IAD
-
YQT
6h 24m
1 stop
United Airlines Logo
11:25 am - 11:12 pm
YQT
-
IAD
11h 47m
2 stops
$675United Airlines
Thu, Jul 23 - Sun, Jul 26
WestJet Logo
7:00 am - 10:25 am
BWI
-
YQT
27h 25m
2 stops
WestJet Logo
7:50 pm - 5:24 pm
YQT
-
BWI
21h 34m
2 stops
$1,005WestJet
Sat, May 23 - Sun, May 31
WestJet Logo
6:19 am - 7:00 pm
BWI
-
YQT
36h 41m
2 stops
WestJet Logo
7:50 pm - 10:13 pm
YQT
-
BWI
26h 23m
2 stops
$1,015WestJet
Thu, Jul 23 - Sun, Jul 26

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
May 23
DCA11:00 amWashington, D.C. Reagan-National
6h 15m
1 stop
YQT5:15 pmThunder Bay
May 31
YQT6:15 pmThunder Bay
14h 38m
1 stop
DCA8:53 amWashington, D.C. Reagan-National
$541
Air Canada
Jul 23
DCA11:00 amWashington, D.C. Reagan-National
6h 24m
1 stop
YQT5:24 pmThunder Bay
Jul 26
YQT11:25 amThunder Bay
6h 47m
1 stop
DCA6:12 pmWashington, D.C. Reagan-National
$574
Air Canada
Jul 23
DCA11:00 amWashington, D.C. Reagan-National
6h 24m
1 stop
YQT5:24 pmThunder Bay
Jul 26
YQT5:15 amThunder Bay
6h 45m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$579

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

Our best United Airlines deals on Washington, D.C. to Thunder Bay flight tickets
United Airlines
May 23
DCA11:00 amWashington, D.C. Reagan-National
6h 15m
1 stop
YQT5:15 pmThunder Bay
May 31
YQT6:15 pmThunder Bay
20h 08m
2 stops
DCA2:23 pmWashington, D.C. Reagan-National
$642
United Airlines
Jul 23
IAD4:25 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YQT10:49 pmThunder Bay
Jul 26
YQT11:25 amThunder Bay
11h 47m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
$675
United Airlines
Jul 23
IAD6:00 amWashington, D.C. Dulles Intl
11h 24m
2 stops
YQT5:24 pmThunder Bay
Jul 26
YQT11:25 amThunder Bay
11h 47m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
$685

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 February 16, 2026.
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

Sat 5/23

11:30 am-6:05 pm

1 stop6h 35m

Thunder Bay

Sun 5/31

7:50 pm-6:10 pm

1 stop22h 20m

$421

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 5/23

11:30 am-8:55 am

1 stop21h 25m

Thunder Bay

Sun 5/31

11:35 am-10:46 am

2 stops23h 11m

$476

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 8/2

11:30 am-4:05 pm

1 stop4h 35m

Thunder Bay

Sun 8/9

6:00 am-10:46 am

1 stop4h 46m

$500

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 7/23

4:05 pm-9:50 pm

1 stop5h 45m

Thunder Bay

Sun 7/26

8:20 am-3:21 pm

1 stop7h 01m

$509

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 5/23

11:00 am-5:15 pm

1 stop6h 15m

Thunder Bay

Sun 5/31

6:15 pm-8:53 am

1 stop14h 38m

$541

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 8/2

11:00 am-5:24 pm

1 stop6h 24m

Thunder Bay

Sun 8/9

11:25 am-6:12 pm

1 stop6h 47m

$574

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 5/23

11:00 am-5:15 pm

1 stop6h 15m

Thunder Bay

Sun 5/31

6:15 pm-2:23 pm

2 stops20h 08m

$642

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 7/23

4:25 pm-10:49 pm

1 stop6h 24m

Thunder Bay

Sun 7/26

11:25 am-11:12 pm

2 stops11h 47m

$675

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sat 5/23

7:00 am-10:25 am

2 stops27h 25m

Thunder Bay

Sun 5/31

7:50 pm-5:24 pm

2 stops21h 34m

$1,005

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Thu 7/23

6:19 am-7:00 pm

2 stops36h 41m

Thunder Bay

Sun 7/26

7:50 pm-10:13 pm

2 stops26h 23m

$1,015

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

How long does it take to fly to Thunder Bay?

The flight from Washington, D.C. to Thunder Bay depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Thunder Bay (the most popular airport in Thunder Bay), then the flight time is 6h 25m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 16h 59m.

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

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 6h 15m
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.
Search flight deals

  • 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 15m, 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 $190Free CancellationRating
7.9
416 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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