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Cheap flights from Washington, D.C. to Thunder Bay from $449

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Porter Airlines Logo
11:25 am - 7:20 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
7h 55m1 stop Toronto Island
Porter Airlines Logo
6:00 am - 3:10 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
9h 10m1 stop Toronto Island
$449Porter Airlines
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
6:13 pm - 8:55 amIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
38h 42m2 stops Fort Lauderdale Toronto Pearson Intl
Multiple Airlines Logo
6:00 am - 10:45 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
4h 45m1 stop Toronto Island
$485Multiple Airlines
Fri, Sep 11 - Fri, Sep 18
Air Canada Logo
11:00 am - 5:18 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 18m1 stop Toronto Pearson Intl
Air Canada Logo
11:45 am - 6:15 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 30m1 stop Toronto Pearson Intl
$564Air Canada
Fri, Sep 11 - Fri, Sep 18
Air Canada Logo
11:00 am - 5:18 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 18m1 stop Toronto Pearson Intl
Air Canada Logo
11:45 am - 6:15 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 30m1 stop Toronto Pearson Intl
$633Air Canada
Thu, Oct 1 - Mon, Oct 5
Air Canada Logo
12:40 pm - 10:48 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
10h 08m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
11:45 am - 6:15 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 30m1 stop Toronto Pearson Intl
$638Air Canada
Thu, Oct 1 - Mon, Oct 5
Air Canada Logo
12:40 pm - 10:48 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
10h 08m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
5:10 am - 12:00 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 50m2 stops Toronto Pearson Intl Ottawa
$644Air Canada
Thu, Oct 1 - Mon, Oct 5
Porter Airlines Logo
3:50 pm - 9:45 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 55m1 stop Toronto Island
Porter Airlines Logo
6:00 am - 11:20 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
5h 20m1 stop Toronto Island
$644Porter Airlines
Wed, Sep 2 - Sun, Sep 6
Air Canada Logo
11:00 am - 5:18 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 18m1 stop Toronto Pearson Intl
Air Canada Logo
11:45 am - 6:15 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 30m1 stop Toronto Pearson Intl
$650Air Canada
Thu, Oct 1 - Mon, Oct 5
Porter Airlines Logo
2:59 pm - 6:28 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
27h 29m1 stop Toronto Pearson Intl
Porter Airlines Logo
6:30 am - 12:44 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 14m1 stop Toronto Pearson Intl
$651Porter Airlines
Sun, Aug 30 - Tue, Sep 1
Air Canada Logo
12:40 pm - 10:48 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
10h 08m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
11:45 am - 6:15 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 30m1 stop Toronto Pearson Intl
$656Air Canada
Thu, Oct 1 - Mon, Oct 5

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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
Sep 11
IAD11:25 amWashington, D.C. Dulles Intl
7h 55m
1 stop
YQT7:20 pmThunder Bay
Sep 18
YQT6:00 amThunder Bay
9h 10m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$449
Porter Airlines
Sep 2
IAD3:50 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YQT9:45 pmThunder Bay
Sep 6
YQT6:00 amThunder Bay
5h 20m
1 stop
IAD11:20 amWashington, D.C. Dulles Intl
$644
Porter Airlines
Aug 30
DCA2:59 pmWashington, D.C. Reagan-National
27h 29m
1 stop
YQT6:28 pmThunder Bay
Sep 1
YQT6:30 amThunder Bay
6h 14m
1 stop
DCA12:44 pmWashington, D.C. Reagan-National
$651

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 11
DCA11:00 amWashington, D.C. Reagan-National
6h 18m
1 stop
YQT5:18 pmThunder Bay
Sep 18
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$564
Air Canada
Oct 1
DCA11:00 amWashington, D.C. Reagan-National
6h 18m
1 stop
YQT5:18 pmThunder Bay
Oct 5
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$633
Air Canada
Oct 1
DCA12:40 pmWashington, D.C. Reagan-National
10h 08m
2 stops
YQT10:48 pmThunder Bay
Oct 5
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$638

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 August 15, 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 Washington, D.C. Dulles Intl - YQT Thunder Bay

IADYQT

Washington, D.C. Dulles Intl

Fri 9/11

11:25 am-7:20 pm

1 stop7h 55m

Thunder Bay

Fri 9/18

6:00 am-3:10 pm

1 stop9h 10m

$449

Washington, D.C.Thunder Bay

IAD Washington, D.C. Dulles Intl - YQT Thunder Bay

IADYQT

Washington, D.C. Dulles Intl

Fri 9/11

6:13 pm-8:55 am

2 stops38h 42m

Thunder Bay

Fri 9/18

6:00 am-10:45 am

1 stop4h 45m

$485

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Fri 9/11

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Fri 9/18

11:45 am-6:15 pm

1 stop6h 30m

$564

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Thu 10/1

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Mon 10/5

11:45 am-6:15 pm

1 stop6h 30m

$633

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Thu 10/1

12:40 pm-10:48 pm

2 stops10h 08m

Thunder Bay

Mon 10/5

11:45 am-6:15 pm

1 stop6h 30m

$638

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Thu 10/1

12:40 pm-10:48 pm

2 stops10h 08m

Thunder Bay

Mon 10/5

5:10 am-12:00 pm

2 stops6h 50m

$644
Quickest round-trip

Washington, D.C.Thunder Bay

IAD Washington, D.C. Dulles Intl - YQT Thunder Bay

IADYQT

Washington, D.C. Dulles Intl

Wed 9/2

3:50 pm-9:45 pm

1 stop5h 55m

Thunder Bay

Sun 9/6

6:00 am-11:20 am

1 stop5h 20m

$644

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Thu 10/1

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Mon 10/5

11:45 am-6:15 pm

1 stop6h 30m

$650

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Sun 8/30

2:59 pm-6:28 pm

1 stop27h 29m

Thunder Bay

Tue 9/1

6:30 am-12:44 pm

1 stop6h 14m

$651

Washington, D.C.Thunder Bay

DCA Washington, D.C. Reagan-National - YQT Thunder Bay

DCAYQT

Washington, D.C. Reagan-National

Thu 10/1

12:40 pm-10:48 pm

2 stops10h 08m

Thunder Bay

Mon 10/5

11:45 am-6:15 pm

1 stop6h 30m

$656

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 7h 10m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 13h 39m.

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

6h 48m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 6h 48m
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 6h 48m, 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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