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Cheap flights from Washington, D.C. to Thunder Bay from $447

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 4/11. 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.
Air Canada Logo
4:30 pm - 11:00 pm
IAD
-
YQT
6h 30m
1 stop
Air Canada Logo
11:10 am - 3:39 pm
YQT
-
IAD
4h 29m
1 stop
$447Air Canada
Sat, Apr 11 - Tue, Apr 14
Air Canada Logo
12:55 pm - 11:00 pm
DCA
-
YQT
10h 05m
2 stops
Air Canada Logo
11:10 am - 6:03 pm
YQT
-
DCA
6h 53m
1 stop
$452Air Canada
Tue, Apr 28 - Thu, Apr 30
Air Canada Logo
9:55 am - 6:35 pm
IAD
-
YQT
8h 40m
2 stops
Air Canada Logo
11:10 am - 3:39 pm
YQT
-
IAD
4h 29m
1 stop
$455Air Canada
Sat, Apr 11 - Tue, Apr 14
Porter Airlines Logo
11:40 am - 7:42 pm
IAD
-
YQT
8h 02m
1 stop
Porter Airlines Logo
10:30 am - 5:14 pm
YQT
-
IAD
6h 44m
1 stop
$456Porter Airlines
Thu, Mar 26 - Thu, Apr 2
Air Canada Logo
12:55 pm - 11:00 pm
DCA
-
YQT
10h 05m
2 stops
Air Canada Logo
5:00 am - 12:01 pm
YQT
-
DCA
7h 01m
2 stops
$457Air Canada
Tue, Apr 28 - Thu, Apr 30
Porter Airlines Logo
11:40 am - 9:25 pm
IAD
-
YQT
9h 45m
2 stops
Porter Airlines Logo
10:30 am - 5:14 pm
YQT
-
IAD
6h 44m
1 stop
$472Porter Airlines
Thu, Mar 26 - Thu, Apr 2
Porter Airlines Logo
6:00 pm - 9:47 am
IAD
-
YQT
15h 47m
1 stop
Porter Airlines Logo
10:30 am - 5:14 pm
YQT
-
IAD
6h 44m
1 stop
$503Porter Airlines
Fri, Apr 10 - Fri, Apr 17
United Airlines Logo
3:42 pm - 10:59 pm
BWI
-
YQT
31h 17m
2 stops
United Airlines Logo
5:00 am - 5:28 pm
YQT
-
BWI
12h 28m
2 stops
$702United Airlines
Tue, Apr 28 - Thu, Apr 30
United Airlines Logo
6:00 am - 10:59 pm
BWI
-
YQT
16h 59m
2 stops
United Airlines Logo
5:00 am - 9:02 pm
YQT
-
BWI
16h 02m
2 stops
$786United Airlines
Tue, Apr 28 - Thu, Apr 30
United Airlines Logo
11:08 am - 10:59 pm
BWI
-
YQT
11h 51m
2 stops
United Airlines Logo
5:00 am - 11:36 am
YQT
-
BWI
30h 36m
3 stops
$803United Airlines
Tue, Apr 28 - Thu, Apr 30

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
Apr 11
IAD4:30 pmWashington, D.C. Dulles Intl
6h 30m
1 stop
YQT11:00 pmThunder Bay
Apr 14
YQT11:10 amThunder Bay
4h 29m
1 stop
IAD3:39 pmWashington, D.C. Dulles Intl
$447
Air Canada
Apr 28
DCA12:55 pmWashington, D.C. Reagan-National
10h 05m
2 stops
YQT11:00 pmThunder Bay
Apr 30
YQT11:10 amThunder Bay
6h 53m
1 stop
DCA6:03 pmWashington, D.C. Reagan-National
$452
Air Canada
Apr 11
IAD9:55 amWashington, D.C. Dulles Intl
8h 40m
2 stops
YQT6:35 pmThunder Bay
Apr 14
YQT11:10 amThunder Bay
4h 29m
1 stop
IAD3:39 pmWashington, D.C. Dulles Intl
$455

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
Jul 31
IAD4:25 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YQT10:49 pmThunder Bay
Aug 9
YQT11:25 amThunder Bay
11h 54m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
$597
United Airlines
Aug 2
IAD4:25 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YQT10:49 pmThunder Bay
Aug 9
YQT11:25 amThunder Bay
11h 54m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
$636
United Airlines
Apr 10
IAD8:20 amWashington, D.C. Dulles Intl
14h 39m
2 stops
YQT10:59 pmThunder Bay
Apr 17
YQT5:00 amThunder Bay
14h 23m
2 stops
IAD7:23 pmWashington, D.C. Dulles Intl
$646

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 26, 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 4/11

4:30 pm-11:00 pm

1 stop6h 30m

Thunder Bay

Tue 4/14

11:10 am-3:39 pm

1 stop4h 29m

$447

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Tue 4/28

12:55 pm-11:00 pm

2 stops10h 05m

Thunder Bay

Thu 4/30

11:10 am-6:03 pm

1 stop6h 53m

$452

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 4/11

9:55 am-6:35 pm

2 stops8h 40m

Thunder Bay

Tue 4/14

11:10 am-3:39 pm

1 stop4h 29m

$455

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 3/26

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Thu 4/2

10:30 am-5:14 pm

1 stop6h 44m

$456

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Tue 4/28

12:55 pm-11:00 pm

2 stops10h 05m

Thunder Bay

Thu 4/30

5:00 am-12:01 pm

2 stops7h 01m

$457

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 3/26

11:40 am-9:25 pm

2 stops9h 45m

Thunder Bay

Thu 4/2

10:30 am-5:14 pm

1 stop6h 44m

$472

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 4/10

6:00 pm-9:47 am

1 stop15h 47m

Thunder Bay

Fri 4/17

10:30 am-5:14 pm

1 stop6h 44m

$503

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 4/28

3:42 pm-10:59 pm

2 stops31h 17m

Thunder Bay

Thu 4/30

5:00 am-5:28 pm

2 stops12h 28m

$702

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 4/28

6:00 am-10:59 pm

2 stops16h 59m

Thunder Bay

Thu 4/30

5:00 am-9:02 pm

2 stops16h 02m

$786

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 4/28

11:08 am-10:59 pm

2 stops11h 51m

Thunder Bay

Thu 4/30

5:00 am-11:36 am

3 stops30h 36m

$803

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 5h 15m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 31h 17m.

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

5h 00m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 5h 00m
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 5h 00m, 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
8.0
419 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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