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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 7/28. 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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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
4:00 pm - 8:55 am
IAD
-
YQT
16h 55m
1 stop
Multiple Airlines Logo
10:10 am - 10:46 am
YQT
-
IAD
24h 36m
1 stop
$501Multiple Airlines
Fri, Aug 14 - Sun, Aug 23
Multiple Airlines Logo
4:00 pm - 8:55 am
IAD
-
YQT
16h 55m
1 stop
Multiple Airlines Logo
11:35 am - 10:46 am
YQT
-
IAD
23h 11m
2 stops
$511Multiple Airlines
Fri, Aug 14 - Sat, Aug 22
Porter Airlines Logo
11:30 am - 9:45 pm
IAD
-
YQT
10h 15m
1 stop
Porter Airlines Logo
8:15 am - 3:16 pm
YQT
-
IAD
7h 01m
1 stop
$526Porter Airlines
Wed, Jul 1 - Wed, Jul 8
Porter Airlines Logo
11:30 am - 4:35 pm
IAD
-
YQT
5h 05m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$543Porter Airlines
Tue, Aug 18 - Mon, Aug 24
Air Canada Logo
11:00 am - 5:29 pm
DCA
-
YQT
6h 29m
1 stop
Air Canada Logo
11:45 am - 6:15 pm
YQT
-
DCA
6h 30m
1 stop
$634Air Canada
Sat, Sep 5 - Wed, Sep 9
Air Canada Logo
11:00 am - 5:29 pm
DCA
-
YQT
6h 29m
1 stop
Air Canada Logo
5:10 am - 12:00 pm
YQT
-
DCA
6h 50m
2 stops
$639Air Canada
Sat, Sep 5 - Mon, Sep 7
United Airlines Logo
6:15 am - 5:24 pm
BWI
-
YQT
11h 09m
2 stops
United Airlines Logo
5:10 am - 5:36 pm
YQT
-
BWI
12h 26m
2 stops
$953United Airlines
Wed, Jul 1 - Wed, Jul 8
United Airlines Logo
6:20 am - 11:15 pm
BWI
-
YQT
16h 55m
2 stops
United Airlines Logo
5:10 am - 1:54 pm
YQT
-
BWI
32h 44m
2 stops
$1,016United Airlines
Sat, Jun 6 - Tue, Jun 9
WestJet Logo
10:25 am - 7:00 pm
BWI
-
YQT
32h 35m
2 stops
WestJet Logo
7:50 pm - 9:13 pm
YQT
-
BWI
25h 23m
2 stops
$1,049WestJet
Tue, Aug 18 - Mon, Aug 24
WestJet Logo
6:05 am - 6:45 pm
BWI
-
YQT
36h 40m
2 stops
WestJet Logo
7:50 pm - 9:13 pm
YQT
-
BWI
25h 23m
2 stops
$1,078WestJet
Thu, Aug 20 - Mon, Aug 24

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
Sep 5
DCA11:00 amWashington, D.C. Reagan-National
6h 29m
1 stop
YQT5:29 pmThunder Bay
Sep 9
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$634
Air Canada
Sep 5
DCA11:00 amWashington, D.C. Reagan-National
6h 29m
1 stop
YQT5:29 pmThunder Bay
Sep 7
YQT5:10 amThunder Bay
6h 50m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$639
Air Canada
Sep 4
DCA12:40 pmWashington, D.C. Reagan-National
10h 49m
2 stops
YQT11:29 pmThunder Bay
Sep 8
YQT5:15 amThunder Bay
6h 45m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$644

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
Jul 1
IAD11:30 amWashington, D.C. Dulles Intl
10h 15m
1 stop
YQT9:45 pmThunder Bay
Jul 8
YQT8:15 amThunder Bay
7h 01m
1 stop
IAD3:16 pmWashington, D.C. Dulles Intl
$526
Porter Airlines
Aug 18
IAD11:30 amWashington, D.C. Dulles Intl
5h 05m
1 stop
YQT4:35 pmThunder Bay
Aug 24
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$543
Porter Airlines
Aug 18
IAD11:30 amWashington, D.C. Dulles Intl
5h 05m
1 stop
YQT4:35 pmThunder Bay
Aug 24
YQT11:35 amThunder Bay
23h 11m
2 stops
IAD10:46 amWashington, D.C. Dulles Intl
$547

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 May 17, 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

Fri 8/14

4:00 pm-8:55 am

1 stop16h 55m

Thunder Bay

Sun 8/23

10:10 am-10:46 am

1 stop24h 36m

$501

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 8/14

4:00 pm-8:55 am

1 stop16h 55m

Thunder Bay

Sat 8/22

11:35 am-10:46 am

2 stops23h 11m

$511

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 7/1

11:30 am-9:45 pm

1 stop10h 15m

Thunder Bay

Wed 7/8

8:15 am-3:16 pm

1 stop7h 01m

$526
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 8/18

11:30 am-4:35 pm

1 stop5h 05m

Thunder Bay

Mon 8/24

6:00 am-10:46 am

1 stop4h 46m

$543

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 9/5

11:00 am-5:29 pm

1 stop6h 29m

Thunder Bay

Wed 9/9

11:45 am-6:15 pm

1 stop6h 30m

$634

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sat 9/5

11:00 am-5:29 pm

1 stop6h 29m

Thunder Bay

Mon 9/7

5:10 am-12:00 pm

2 stops6h 50m

$639

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Wed 7/1

6:15 am-5:24 pm

2 stops11h 09m

Thunder Bay

Wed 7/8

5:10 am-5:36 pm

2 stops12h 26m

$953

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sat 6/6

6:20 am-11:15 pm

2 stops16h 55m

Thunder Bay

Tue 6/9

5:10 am-1:54 pm

2 stops32h 44m

$1,016

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Tue 8/18

10:25 am-7:00 pm

2 stops32h 35m

Thunder Bay

Mon 8/24

7:50 pm-9:13 pm

2 stops25h 23m

$1,049

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Thu 8/20

6:05 am-6:45 pm

2 stops36h 40m

Thunder Bay

Mon 8/24

7:50 pm-9:13 pm

2 stops25h 23m

$1,078

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 05m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 5h 05m
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

Frequently asked questions about flying from Washington, D.C. to Thunder Bay

  • 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 05m, 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
439 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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