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Cheap flights from Washington, D.C. to Thunder Bay from $434

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 8/10. 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
1 adult, Economy, 0 bags

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
3:50 pm - 8:55 am
IAD
-
YQT
17h 05m
1 stop
Multiple Airlines Logo
6:30 am - 3:10 pm
YQT
-
IAD
8h 40m
1 stop
$434Multiple Airlines
Mon, Aug 10 - Wed, Aug 12
Multiple Airlines Logo
3:50 pm - 8:55 am
IAD
-
YQT
17h 05m
1 stop
Multiple Airlines Logo
6:00 am - 10:45 am
YQT
-
IAD
4h 45m
1 stop
$506Multiple Airlines
Fri, Aug 14 - Sun, Aug 16
Porter Airlines Logo
3:50 pm - 9:45 pm
IAD
-
YQT
5h 55m
1 stop
Porter Airlines Logo
6:00 am - 10:45 am
YQT
-
IAD
4h 45m
1 stop
$508Porter Airlines
Sun, Aug 23 - Thu, Aug 27
Porter Airlines Logo
3:50 pm - 9:45 pm
IAD
-
YQT
5h 55m
1 stop
Porter Airlines Logo
11:35 am - 10:45 am
YQT
-
IAD
23h 10m
2 stops
$509Porter Airlines
Sun, Aug 23 - Thu, Aug 27
Porter Airlines Logo
3:50 pm - 9:45 pm
IAD
-
YQT
5h 55m
1 stop
Porter Airlines Logo
6:00 am - 10:45 am
YQT
-
IAD
4h 45m
1 stop
$537Porter Airlines
Thu, Sep 24 - Tue, Sep 29
Air Canada Logo
12:40 pm - 11:03 pm
DCA
-
YQT
10h 23m
2 stops
Air Canada Logo
11:45 am - 6:15 pm
YQT
-
DCA
6h 30m
1 stop
$589Air Canada
Tue, Sep 22 - Sat, Sep 26
WestJet Logo
10:25 am - 7:00 pm
BWI
-
YQT
32h 35m
2 stops
WestJet Logo
7:50 pm - 9:23 pm
YQT
-
BWI
25h 33m
2 stops
$937WestJet
Sun, Aug 23 - Thu, Aug 27
United Airlines Logo
6:08 am - 10:48 pm
BWI
-
YQT
16h 40m
2 stops
United Airlines Logo
5:15 am - 9:02 pm
YQT
-
BWI
15h 47m
2 stops
$974United Airlines
Fri, Oct 16 - Tue, Oct 20
WestJet Logo
6:05 am - 7:00 pm
BWI
-
YQT
36h 55m
2 stops
WestJet Logo
7:50 pm - 10:57 am
YQT
-
BWI
15h 07m
2 stops
$976WestJet
Fri, Aug 14 - Sun, Aug 16
United Airlines Logo
6:08 am - 10:48 pm
BWI
-
YQT
16h 40m
2 stops
United Airlines Logo
5:15 am - 9:02 pm
YQT
-
BWI
15h 47m
2 stops
$985United Airlines
Fri, Oct 16 - Tue, Oct 20

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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
Aug 23
IAD3:50 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YQT9:45 pmThunder Bay
Aug 27
YQT6:00 amThunder Bay
4h 45m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
$508
Porter Airlines
Aug 23
IAD3:50 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YQT9:45 pmThunder Bay
Aug 27
YQT11:35 amThunder Bay
23h 10m
2 stops
IAD10:45 amWashington, D.C. Dulles Intl
$509
Porter Airlines
Sep 24
IAD3:50 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YQT9:45 pmThunder Bay
Sep 29
YQT6:00 amThunder Bay
4h 45m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
$537

WestJet flights from Washington, D.C. to Thunder Bay

Our best WestJet deals on Washington, D.C. to Thunder Bay flight tickets
WestJet
Aug 23
BWI10:25 amBaltimore/Washington
32h 35m
2 stops
YQT7:00 pmThunder Bay
Aug 27
YQT7:50 pmThunder Bay
25h 33m
2 stops
BWI9:23 pmBaltimore/Washington
$937
WestJet
Aug 14
BWI6:05 amBaltimore/Washington
36h 55m
2 stops
YQT7:00 pmThunder Bay
Aug 16
YQT7:50 pmThunder Bay
15h 07m
2 stops
BWI10:57 amBaltimore/Washington
$976
WestJet
Aug 10
BWI6:15 amBaltimore/Washington
36h 45m
2 stops
YQT7:00 pmThunder Bay
Aug 12
YQT7:50 pmThunder Bay
21h 25m
2 stops
BWI5:15 pmBaltimore/Washington
$1,006

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 July 24, 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 8/10

3:50 pm-8:55 am

1 stop17h 05m

Thunder Bay

Wed 8/12

6:30 am-3:10 pm

1 stop8h 40m

$434

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fri 8/14

3:50 pm-8:55 am

1 stop17h 05m

Thunder Bay

Sun 8/16

6:00 am-10:45 am

1 stop4h 45m

$506
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 8/23

3:50 pm-9:45 pm

1 stop5h 55m

Thunder Bay

Thu 8/27

6:00 am-10:45 am

1 stop4h 45m

$508

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 8/23

3:50 pm-9:45 pm

1 stop5h 55m

Thunder Bay

Thu 8/27

11:35 am-10:45 am

2 stops23h 10m

$509

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Thu 9/24

3:50 pm-9:45 pm

1 stop5h 55m

Thunder Bay

Tue 9/29

6:00 am-10:45 am

1 stop4h 45m

$537

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Tue 9/22

12:40 pm-11:03 pm

2 stops10h 23m

Thunder Bay

Sat 9/26

11:45 am-6:15 pm

1 stop6h 30m

$589

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sun 8/23

10:25 am-7:00 pm

2 stops32h 35m

Thunder Bay

Thu 8/27

7:50 pm-9:23 pm

2 stops25h 33m

$937

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 10/16

6:08 am-10:48 pm

2 stops16h 40m

Thunder Bay

Tue 10/20

5:15 am-9:02 pm

2 stops15h 47m

$974

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 8/14

6:05 am-7:00 pm

2 stops36h 55m

Thunder Bay

Sun 8/16

7:50 pm-10:57 am

2 stops15h 07m

$976

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 10/16

6:08 am-10:48 pm

2 stops16h 40m

Thunder Bay

Tue 10/20

5:15 am-9:02 pm

2 stops15h 47m

$985

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 58m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 16h 40m.

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 10m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 5h 10m
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 10m, 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 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.

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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