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Cheap flights from Washington, D.C. to Thunder Bay from $275

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 4/13. 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
4:05 pm - 9:45 pm
IAD
-
YQT
5h 40m
1 stop
Porter Airlines Logo
8:15 am - 3:21 pm
YQT
-
IAD
7h 06m
1 stop
$441Porter Airlines
Mon, May 4 - Fri, May 8
Porter Airlines Logo
11:30 am - 5:00 pm
IAD
-
YQT
5h 30m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$466Porter Airlines
Tue, May 26 - Sun, May 31
Air Canada Logo
12:55 pm - 11:00 pm
DCA
-
YQT
10h 05m
2 stops
Air Canada Logo
5:05 am - 12:01 pm
YQT
-
DCA
6h 56m
2 stops
$498Air Canada
Wed, Apr 29 - Sun, May 3
Porter Airlines Logo
11:40 am - 7:42 pm
IAD
-
YQT
8h 02m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$505Porter Airlines
Wed, Apr 29 - Sun, May 3
Porter Airlines Logo
11:40 am - 7:42 pm
IAD
-
YQT
8h 02m
1 stop
Porter Airlines Logo
8:15 am - 3:21 pm
YQT
-
IAD
7h 06m
1 stop
$506Porter Airlines
Wed, Apr 29 - Sun, May 3
Air Canada Logo
11:00 am - 5:20 pm
DCA
-
YQT
6h 20m
1 stop
Air Canada Logo
11:45 am - 6:13 pm
YQT
-
DCA
6h 28m
1 stop
$507Air Canada
Mon, May 4 - Fri, May 8
Porter Airlines Logo
4:05 pm - 9:45 pm
IAD
-
YQT
5h 40m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$511Porter Airlines
Mon, May 25 - Sun, May 31
United Airlines Logo
6:00 am - 11:00 pm
BWI
-
YQT
17h 00m
2 stops
United Airlines Logo
5:00 am - 9:24 pm
YQT
-
BWI
16h 24m
2 stops
$797United Airlines
Wed, Apr 22 - Sat, Apr 25
WestJet Logo
9:25 am - 7:00 pm
BWI
-
YQT
33h 35m
2 stops
WestJet Logo
7:50 pm - 5:24 pm
YQT
-
BWI
21h 34m
2 stops
$801WestJet
Tue, May 26 - Sun, May 31
United Airlines Logo
8:15 am - 11:15 pm
BWI
-
YQT
15h 00m
2 stops
United Airlines Logo
5:05 am - 5:01 pm
YQT
-
BWI
11h 56m
2 stops
$803United Airlines
Mon, May 25 - Sat, May 30

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
May 4
IAD4:05 pmWashington, D.C. Dulles Intl
5h 40m
1 stop
YQT9:45 pmThunder Bay
May 8
YQT8:15 amThunder Bay
7h 06m
1 stop
IAD3:21 pmWashington, D.C. Dulles Intl
$441
Porter Airlines
May 26
IAD11:30 amWashington, D.C. Dulles Intl
5h 30m
1 stop
YQT5:00 pmThunder Bay
May 31
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$466
Porter Airlines
Apr 29
IAD11:40 amWashington, D.C. Dulles Intl
8h 02m
1 stop
YQT7:42 pmThunder Bay
May 3
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$505

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 29
DCA12:55 pmWashington, D.C. Reagan-National
10h 05m
2 stops
YQT11:00 pmThunder Bay
May 3
YQT5:05 amThunder Bay
6h 56m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$498
Air Canada
May 4
DCA11:00 amWashington, D.C. Reagan-National
6h 20m
1 stop
YQT5:20 pmThunder Bay
May 8
YQT11:45 amThunder Bay
6h 28m
1 stop
DCA6:13 pmWashington, D.C. Reagan-National
$507
Air Canada
May 4
DCA11:00 amWashington, D.C. Reagan-National
6h 20m
1 stop
YQT5:20 pmThunder Bay
May 8
YQT5:05 amThunder Bay
6h 56m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$512

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 March 18, 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

Cheapest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mon 5/4

4:05 pm-9:45 pm

1 stop5h 40m

Thunder Bay

Fri 5/8

8:15 am-3:21 pm

1 stop7h 06m

$441
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 5/26

11:30 am-5:00 pm

1 stop5h 30m

Thunder Bay

Sun 5/31

6:00 am-10:46 am

1 stop4h 46m

$466

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Wed 4/29

12:55 pm-11:00 pm

2 stops10h 05m

Thunder Bay

Sun 5/3

5:05 am-12:01 pm

2 stops6h 56m

$498

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 4/29

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Sun 5/3

6:00 am-10:46 am

1 stop4h 46m

$505

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 4/29

11:40 am-7:42 pm

1 stop8h 02m

Thunder Bay

Sun 5/3

8:15 am-3:21 pm

1 stop7h 06m

$506

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Mon 5/4

11:00 am-5:20 pm

1 stop6h 20m

Thunder Bay

Fri 5/8

11:45 am-6:13 pm

1 stop6h 28m

$507

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mon 5/25

4:05 pm-9:45 pm

1 stop5h 40m

Thunder Bay

Sun 5/31

6:00 am-10:46 am

1 stop4h 46m

$511

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Wed 4/22

6:00 am-11:00 pm

2 stops17h 00m

Thunder Bay

Sat 4/25

5:00 am-9:24 pm

2 stops16h 24m

$797

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 5/26

9:25 am-7:00 pm

2 stops33h 35m

Thunder Bay

Sun 5/31

7:50 pm-5:24 pm

2 stops21h 34m

$801

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Mon 5/25

8:15 am-11:15 pm

2 stops15h 00m

Thunder Bay

Sat 5/30

5:05 am-5:01 pm

2 stops11h 56m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

What is the cheapest airline that flies from Washington, D.C. to Thunder Bay?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Thunder Bay

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 40m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 5h 40m
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 40m, 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
424 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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