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Cheap flights from Washington, D.C. to Thunder Bay from $299

This is the cheapest one-way 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 5/28. 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
6:59 am - 6:35 pm
DCA
-
YQT
11h 36m
1 stop
Air Canada Logo
5:00 am - 12:19 pm
YQT
-
DCA
7h 19m
2 stops
$650Air Canada
Sat, Feb 21 - Sun, Feb 22
Air Canada Logo
4:30 pm - 11:05 pm
IAD
-
YQT
6h 35m
1 stop
Air Canada Logo
11:15 am - 3:49 pm
YQT
-
IAD
4h 34m
1 stop
$652Air Canada
Sat, Feb 21 - Wed, Feb 25
Air Canada Logo
9:45 am - 11:05 pm
IAD
-
YQT
13h 20m
2 stops
Air Canada Logo
11:15 am - 3:49 pm
YQT
-
IAD
4h 34m
1 stop
$653Air Canada
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
5:10 pm - 6:35 pm
IAD
-
YQT
25h 25m
2 stops
United Airlines Logo
5:00 am - 8:59 pm
YQT
-
IAD
15h 59m
2 stops
$727United Airlines
Fri, Feb 6 - Mon, Feb 9
United Airlines Logo
8:15 am - 11:05 pm
IAD
-
YQT
14h 50m
2 stops
United Airlines Logo
7:25 pm - 4:28 pm
YQT
-
IAD
21h 03m
2 stops
$767United Airlines
Sat, Feb 21 - Wed, Feb 25
Porter Airlines Logo
10:12 am - 9:26 pm
DCA
-
YQT
11h 14m
2 stops
Porter Airlines Logo
6:15 am - 7:14 pm
YQT
-
DCA
12h 59m
1 stop
$781Porter Airlines
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
11:40 am - 7:42 pm
IAD
-
YQT
8h 02m
1 stop
Multiple Airlines Logo
6:15 am - 4:46 pm
YQT
-
IAD
10h 31m
2 stops
$788Multiple Airlines
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
12:30 pm - 9:24 pm
BWI
-
YQT
32h 54m
3 stops
Multiple Airlines Logo
10:40 am - 11:59 pm
YQT
-
BWI
13h 19m
3 stops
$864Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Porter Airlines Logo
10:12 am - 9:26 pm
DCA
-
YQT
11h 14m
2 stops
Porter Airlines Logo
11:50 am - 12:49 pm
YQT
-
DCA
24h 59m
2 stops
$869Porter Airlines
Fri, Feb 6 - Mon, Feb 9
WestJet Logo
6:05 am - 3:11 pm
BWI
-
YQT
9h 06m
2 stops
WestJet Logo
3:45 pm - 1:53 pm
YQT
-
BWI
22h 08m
2 stops
$3,030WestJet
Fri, Feb 6 - Mon, Feb 9

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
Feb 6
IAD5:10 pmWashington, D.C. Dulles Intl
25h 25m
2 stops
YQT6:35 pmThunder Bay
Feb 9
YQT5:00 amThunder Bay
15h 59m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$727
United Airlines
Feb 21
IAD8:15 amWashington, D.C. Dulles Intl
14h 50m
2 stops
YQT11:05 pmThunder Bay
Feb 25
YQT7:25 pmThunder Bay
21h 03m
2 stops
IAD4:28 pmWashington, D.C. Dulles Intl
$767
United Airlines
Apr 29
BWI6:00 amBaltimore/Washington
16h 59m
2 stops
YQT10:59 pmThunder Bay
Apr 30
YQT5:00 amThunder Bay
12h 28m
2 stops
BWI5:28 pmBaltimore/Washington
$802

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
Feb 6
DCA10:12 amWashington, D.C. Reagan-National
11h 14m
2 stops
YQT9:26 pmThunder Bay
Feb 9
YQT6:15 amThunder Bay
12h 59m
1 stop
DCA7:14 pmWashington, D.C. Reagan-National
$781
Porter Airlines
Feb 6
DCA10:12 amWashington, D.C. Reagan-National
11h 14m
2 stops
YQT9:26 pmThunder Bay
Feb 9
YQT11:50 amThunder Bay
24h 59m
2 stops
DCA12:49 pmWashington, D.C. Reagan-National
$869

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 January 23, 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

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 2/21

6:59 am-6:35 pm

1 stop11h 36m

Thunder Bay

Sun 2/22

5:00 am-12:19 pm

2 stops7h 19m

$650

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 2/21

4:30 pm-11:05 pm

1 stop6h 35m

Thunder Bay

Wed 2/25

11:15 am-3:49 pm

1 stop4h 34m

$652

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 2/21

9:45 am-11:05 pm

2 stops13h 20m

Thunder Bay

Wed 2/25

11:15 am-3:49 pm

1 stop4h 34m

$653

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 2/6

5:10 pm-6:35 pm

2 stops25h 25m

Thunder Bay

Mon 2/9

5:00 am-8:59 pm

2 stops15h 59m

$727

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sat 2/21

8:15 am-11:05 pm

2 stops14h 50m

Thunder Bay

Wed 2/25

7:25 pm-4:28 pm

2 stops21h 03m

$767

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Fri 2/6

10:12 am-9:26 pm

2 stops11h 14m

Thunder Bay

Mon 2/9

6:15 am-7:14 pm

1 stop12h 59m

$781

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 2/6

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Mon 2/9

6:15 am-4:46 pm

2 stops10h 31m

$788

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sun 3/8

12:30 pm-9:24 pm

3 stops32h 54m

Thunder Bay

Sun 3/15

10:40 am-11:59 pm

3 stops13h 19m

$864

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Fri 2/6

10:12 am-9:26 pm

2 stops11h 14m

Thunder Bay

Mon 2/9

11:50 am-12:49 pm

2 stops24h 59m

$869

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 2/6

6:05 am-3:11 pm

2 stops9h 06m

Thunder Bay

Mon 2/9

3:45 pm-1:53 pm

2 stops22h 08m

$3,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 23m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 9h 06m.

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

4h 45m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 4h 45m
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 4h 45m, 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
412 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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