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Cheap flights from Washington, D.C. to Thunder Bay from $491

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 7/22. 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
11:05 am - 4:35 pm
IAD
-
YQT
5h 30m
1 stop
Porter Airlines Logo
8:15 am - 3:11 pm
YQT
-
IAD
6h 56m
1 stop
$491Porter Airlines
Wed, Jul 22 - Wed, Jul 29
Porter Airlines Logo
3:55 pm - 9:45 pm
IAD
-
YQT
5h 50m
1 stop
Porter Airlines Logo
6:00 am - 3:11 pm
YQT
-
IAD
9h 11m
1 stop
$500Porter Airlines
Wed, Jul 1 - Thu, Jul 2
Multiple Airlines Logo
6:09 pm - 6:28 pm
IAD
-
YQT
24h 19m
2 stops
Multiple Airlines Logo
5:15 pm - 10:25 am
YQT
-
IAD
17h 10m
1 stop
$566Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
Air Canada Logo
6:55 pm - 11:29 pm
DCA
-
YQT
4h 34m
1 stop
Air Canada Logo
10:55 am - 6:07 pm
YQT
-
DCA
7h 12m
1 stop
$682Air Canada
Sun, Sep 6 - Thu, Jan 28
Air Canada Logo
11:00 am - 5:18 pm
DCA
-
YQT
6h 18m
1 stop
Air Canada Logo
11:45 am - 6:15 pm
YQT
-
DCA
6h 30m
1 stop
$683Air Canada
Mon, Sep 21 - Tue, Sep 22
United Airlines Logo
6:00 am - 10:48 pm
BWI
-
YQT
16h 48m
2 stops
United Airlines Logo
5:15 am - 5:42 pm
YQT
-
BWI
12h 27m
2 stops
$809United Airlines
Sat, Sep 12 - Wed, Sep 16
United Airlines Logo
11:57 am - 10:49 pm
DCA
-
YQT
10h 52m
2 stops
United Airlines Logo
11:20 am - 6:12 pm
YQT
-
DCA
6h 52m
1 stop
$905United Airlines
Wed, Jul 22 - Wed, Jul 29
WestJet Logo
10:33 am - 7:00 pm
BWI
-
YQT
32h 27m
2 stops
WestJet Logo
7:50 pm - 5:15 pm
YQT
-
BWI
21h 25m
2 stops
$1,113WestJet
Wed, Jul 22 - Wed, Jul 29
WestJet Logo
6:05 am - 6:45 pm
BWI
-
YQT
12h 40m
2 stops
WestJet Logo
3:45 pm - 7:41 pm
YQT
-
BWI
27h 56m
2 stops
$1,207WestJet
Sun, Sep 6 - Thu, Jan 28
Multiple Airlines Logo
12:25 pm - 7:00 pm
BWI
-
YQT
30h 35m
3 stops
Multiple Airlines Logo
6:30 am - 11:24 am
YQT
-
BWI
28h 54m
3 stops
$1,331Multiple Airlines
Fri, Jul 24 - Fri, Jul 31

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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 6
DCA6:55 pmWashington, D.C. Reagan-National
4h 34m
1 stop
YQT11:29 pmThunder Bay
Jan 28
YQT10:55 amThunder Bay
7h 12m
1 stop
DCA6:07 pmWashington, D.C. Reagan-National
$682
Air Canada
Sep 21
DCA11:00 amWashington, D.C. Reagan-National
6h 18m
1 stop
YQT5:18 pmThunder Bay
Sep 22
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$683
Air Canada
Sep 21
DCA12:40 pmWashington, D.C. Reagan-National
10h 08m
2 stops
YQT10:48 pmThunder Bay
Sep 22
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$688

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
Oct 17
IAD4:00 pmWashington, D.C. Dulles Intl
6h 48m
1 stop
YQT10:48 pmThunder Bay
Oct 20
YQT5:15 amThunder Bay
10h 52m
1 stop
IAD4:07 pmWashington, D.C. Dulles Intl
$707
United Airlines
Sep 12
BWI6:00 amBaltimore/Washington
16h 48m
2 stops
YQT10:48 pmThunder Bay
Sep 16
YQT5:15 amThunder Bay
12h 27m
2 stops
BWI5:42 pmBaltimore/Washington
$809
United Airlines
Jul 22
DCA11:57 amWashington, D.C. Reagan-National
10h 52m
2 stops
YQT10:49 pmThunder Bay
Jul 29
YQT11:20 amThunder Bay
6h 52m
1 stop
DCA6:12 pmWashington, D.C. Reagan-National
$905

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 June 10, 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

Wed 7/22

11:05 am-4:35 pm

1 stop5h 30m

Thunder Bay

Wed 7/29

8:15 am-3:11 pm

1 stop6h 56m

$491

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 7/1

3:55 pm-9:45 pm

1 stop5h 50m

Thunder Bay

Thu 7/2

6:00 am-3:11 pm

1 stop9h 11m

$500

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 7/22

6:09 pm-6:28 pm

2 stops24h 19m

Thunder Bay

Wed 7/29

5:15 pm-10:25 am

1 stop17h 10m

$566
Quickest round-trip

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Sun 9/6

6:55 pm-11:29 pm

1 stop4h 34m

Thunder Bay

Thu 1/28

10:55 am-6:07 pm

1 stop7h 12m

$682

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Mon 9/21

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Tue 9/22

11:45 am-6:15 pm

1 stop6h 30m

$683

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sat 9/12

6:00 am-10:48 pm

2 stops16h 48m

Thunder Bay

Wed 9/16

5:15 am-5:42 pm

2 stops12h 27m

$809

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Wed 7/22

11:57 am-10:49 pm

2 stops10h 52m

Thunder Bay

Wed 7/29

11:20 am-6:12 pm

1 stop6h 52m

$905

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Wed 7/22

10:33 am-7:00 pm

2 stops32h 27m

Thunder Bay

Wed 7/29

7:50 pm-5:15 pm

2 stops21h 25m

$1,113

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sun 9/6

6:05 am-6:45 pm

2 stops12h 40m

Thunder Bay

Thu 1/28

3:45 pm-7:41 pm

2 stops27h 56m

$1,207

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 7/24

12:25 pm-7:00 pm

3 stops30h 35m

Thunder Bay

Fri 7/31

6:30 am-11:24 am

3 stops28h 54m

$1,331

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 39m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Thunder Bay, then the average flight time is 12h 23m.

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 30m

Direct flights

None
The fastest flight from Washington, D.C. to Thunder Bay takes 5h 30m
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 30m, 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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