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Cheap flights from Washington, D.C. Reagan-National Airport to Thunder Bay from $304

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. Reagan-National Airport to Thunder Bay departing on 9/23. 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. Reagan-National Airport to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:42 am - 6:28 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 46m1 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
$549Porter Airlines
Sun, Aug 30 - Tue, Sep 1
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
$588Air Canada
Wed, Sep 23 - Wed, Sep 30
Porter Airlines Logo
11:42 am - 6:28 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 46m1 stop Toronto Pearson Intl
Porter Airlines Logo
11:30 am - 12:44 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
25h 14m2 stops Ottawa Toronto Pearson Intl
$589Porter Airlines
Sun, Aug 30 - Tue, Sep 1
Porter Airlines Logo
11:42 am - 6:28 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 46m1 stop Toronto Pearson Intl
Porter Airlines Logo
11:30 am - 12:44 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
25h 14m2 stops Ottawa Toronto Pearson Intl
$610Porter Airlines
Sun, Aug 30 - Tue, Sep 1
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
6:20 pm - 8:55 amYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
14h 35m1 stop Toronto Pearson Intl
$612Air Canada
Fri, Sep 18 - Sun, Sep 27
Porter Airlines Logo
11:42 am - 6:28 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
6h 46m1 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
$659Porter Airlines
Sat, Aug 29 - Tue, Sep 1
Porter Airlines Logo
3:00 pm - 10:33 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
7h 33m1 stop Toronto Pearson Intl
Porter Airlines Logo
11:30 am - 12:44 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
25h 14m2 stops Ottawa Toronto Pearson Intl
$665Porter Airlines
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
12:40 pm - 11:29 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
10h 49m2 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
$680Air Canada
Sun, Aug 30 - Tue, Sep 1
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
$681Porter Airlines
Sat, Aug 29 - Tue, Sep 1
Air Canada Logo
12:40 pm - 11:29 pmDCA  Washington, D.C. Reagan-National-YQT Thunder Bay
10h 49m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
11:20 am - 6:12 pmYQT  Thunder Bay-DCA Washington, D.C. Reagan-National
6h 52m1 stop Toronto Pearson Intl
$696Air Canada
Sat, Aug 29 - Tue, Sep 1

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Porter Airlines flights from Washington, D.C. Reagan-National Airport to Thunder Bay

Our best Porter Airlines deals on Washington, D.C. Reagan-National Airport to Thunder Bay flight tickets
Porter Airlines
Aug 30
DCA11:42 amWashington, D.C. Reagan-National
6h 46m
1 stop
YQT6:28 pmThunder Bay
Sep 1
YQT6:30 amThunder Bay
6h 14m
1 stop
DCA12:44 pmWashington, D.C. Reagan-National
$549
Porter Airlines
Aug 30
DCA11:42 amWashington, D.C. Reagan-National
6h 46m
1 stop
YQT6:28 pmThunder Bay
Sep 1
YQT11:30 amThunder Bay
25h 14m
2 stops
DCA12:44 pmWashington, D.C. Reagan-National
$589
Porter Airlines
Aug 30
DCA11:42 amWashington, D.C. Reagan-National
6h 46m
1 stop
YQT6:28 pmThunder Bay
Sep 1
YQT11:30 amThunder Bay
25h 14m
2 stops
DCA12:44 pmWashington, D.C. Reagan-National
$610

Air Canada flights from Washington, D.C. Reagan-National Airport to Thunder Bay

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Thunder Bay flight tickets
Air Canada
Sep 23
DCA11:00 amWashington, D.C. Reagan-National
6h 18m
1 stop
YQT5:18 pmThunder Bay
Sep 30
YQT11:45 amThunder Bay
6h 30m
1 stop
DCA6:15 pmWashington, D.C. Reagan-National
$588
Air Canada
Sep 18
DCA11:00 amWashington, D.C. Reagan-National
6h 18m
1 stop
YQT5:18 pmThunder Bay
Sep 27
YQT6:20 pmThunder Bay
14h 35m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$612
Air Canada
Aug 30
DCA12:40 pmWashington, D.C. Reagan-National
10h 49m
2 stops
YQT11:29 pmThunder Bay
Sep 1
YQT5:10 amThunder Bay
6h 50m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$680

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sun 8/30

11:42 am-6:28 pm

1 stop6h 46m

Thunder Bay

Tue 9/1

6:30 am-12:44 pm

1 stop6h 14m

$549
Quickest round-trip

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Wed 9/23

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Wed 9/30

11:45 am-6:15 pm

1 stop6h 30m

$588

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sun 8/30

11:42 am-6:28 pm

1 stop6h 46m

Thunder Bay

Tue 9/1

11:30 am-12:44 pm

2 stops25h 14m

$589

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sun 8/30

11:42 am-6:28 pm

1 stop6h 46m

Thunder Bay

Tue 9/1

11:30 am-12:44 pm

2 stops25h 14m

$610

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Fri 9/18

11:00 am-5:18 pm

1 stop6h 18m

Thunder Bay

Sun 9/27

6:20 pm-8:55 am

1 stop14h 35m

$612

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sat 8/29

11:42 am-6:28 pm

1 stop6h 46m

Thunder Bay

Tue 9/1

6:30 am-12:44 pm

1 stop6h 14m

$659

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Wed 9/23

3:00 pm-10:33 pm

1 stop7h 33m

Thunder Bay

Wed 9/30

11:30 am-12:44 pm

2 stops25h 14m

$665

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sun 8/30

12:40 pm-11:29 pm

2 stops10h 49m

Thunder Bay

Tue 9/1

5:10 am-12:00 pm

2 stops6h 50m

$680

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sat 8/29

2:59 pm-6:28 pm

1 stop27h 29m

Thunder Bay

Tue 9/1

6:30 am-12:44 pm

1 stop6h 14m

$681

Washington, D.C.Thunder Bay

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

DCAYQT

Washington, D.C. Reagan-National

Sat 8/29

12:40 pm-11:29 pm

2 stops10h 49m

Thunder Bay

Tue 9/1

11:20 am-6:12 pm

1 stop6h 52m

$696

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. Reagan-National Airport 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. Reagan-National to Thunder Bay?

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

When to book flights from Washington, D.C. Reagan-National Airport to Thunder Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Thunder Bay (DCA to YQT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Thunder Bay

Fastest flight time

7h 33m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Thunder Bay takes 7h 33m
There are no direct flights from Washington, D.C. Reagan-National Airport to Thunder Bay. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Thunder Bay.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Thunder Bay

  • How far is Washington, D.C. Reagan-National to Thunder Bay by plane?

    A flight from Washington, D.C. Reagan-National to Thunder Bay will travel around 895.4 mi. In terms of flight time, this usually takes a little over 7h 33m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Thunder Bay Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Thunder Bay Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Thunder Bay Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Thunder Bay Airport.

  • What documentation or ID do you need to fly to Thunder Bay Airport?

    The travel and health documents required for your trip to Thunder Bay Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thunder Bay Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Thunder Bay?

Finding the right flight to Thunder Bay from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Thunder Bay quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Thunder Bay with flexible booking policies on momondo?

Flights from Washington, D.C. to Thunder Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Thunder Bay?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Thunder Bay.

I’m not ready to book a flight from Washington, D.C. to Thunder Bay right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Thunder Bay now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thunder Bay and let you know when they change.

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