Cheap flights from Washington, D.C. to Thunder Bay from C$ 342

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 23/9. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Thunder Bay

Cheap round-trip flights

Porter Airlines Logo
11:35 a.m. - 6:41 p.m.IAD-YQT
7h 06m1 stop
Porter Airlines Logo
7:40 a.m. - 3:06 p.m.YQT-IAD
7h 26m1 stop
C$ 596Porter Airlines
Find Deal
Sun, 12 Oct - Sat, 18 Oct
Porter Airlines Logo
11:35 a.m. - 8:50 p.m.IAD-YQT
9h 15m2 stops
Porter Airlines Logo
7:40 a.m. - 3:06 p.m.YQT-IAD
7h 26m1 stop
C$ 616Porter Airlines
Find Deal
Sun, 12 Oct - Sat, 18 Oct
Porter Airlines Logo
11:35 a.m. - 8:50 p.m.IAD-YQT
9h 15m2 stops
Porter Airlines Logo
10:20 a.m. - 10:16 a.m.YQT-IAD
23h 56m1 stop
C$ 623Porter Airlines
Find Deal
Sun, 12 Oct - Sat, 18 Oct
Porter Airlines Logo
4:20 p.m. - 9:13 p.m.IAD-YQT
4h 53m1 stop
Porter Airlines Logo
7:40 a.m. - 3:06 p.m.YQT-IAD
7h 26m1 stop
C$ 625Porter Airlines
Find Deal
Sun, 12 Oct - Sat, 18 Oct
 Logo
11:35 a.m. - 8:50 p.m.IAD-YQT
9h 15m2 stops
 Logo
10:15 a.m. - 11:57 a.m.YQT-IAD
25h 42m2 stops
C$ 770
Find Deal
Sun, 12 Oct - Sat, 18 Oct
 Logo
12:46 p.m. - 6:54 p.m.IAD-YQT
30h 08m3 stops
 Logo
7:40 a.m. - 3:06 p.m.YQT-IAD
7h 26m1 stop
C$ 777
Find Deal
Sun, 12 Oct - Sat, 18 Oct
Porter Airlines Logo
11:35 a.m. - 4:41 p.m.IAD-YQT
5h 06m1 stop
Porter Airlines Logo
7:25 p.m. - 10:16 a.m.YQT-IAD
14h 51m1 stop
C$ 788Porter Airlines
Find Deal
Sun, 12 Oct - Sun, 12 Oct
 Logo
11:35 a.m. - 8:50 p.m.IAD-YQT
9h 15m2 stops
 Logo
11:45 a.m. - 11:57 a.m.YQT-IAD
24h 12m3 stops
C$ 822
Find Deal
Sun, 12 Oct - Sat, 18 Oct
 Logo
11:35 a.m. - 8:50 p.m.IAD-YQT
9h 15m2 stops
 Logo
11:45 a.m. - 11:57 a.m.YQT-IAD
24h 12m3 stops
C$ 824
Find Deal
Sun, 12 Oct - Sat, 18 Oct
 Logo
12:46 p.m. - 6:54 p.m.IAD-YQT
30h 08m3 stops
 Logo
11:45 a.m. - 11:57 a.m.YQT-IAD
24h 12m3 stops
C$ 968
Find Deal
Sun, 12 Oct - Sat, 18 Oct

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
12 Oct
IAD11:35 a.m.Washington, D.C. Dulles Intl
7h 06m
1 stop
YQT6:41 p.m.Thunder Bay
18 Oct
YQT7:40 a.m.Thunder Bay
7h 26m
1 stop
IAD3:06 p.m.Washington, D.C. Dulles Intl
Porter Airlines
12 Oct
IAD11:35 a.m.Washington, D.C. Dulles Intl
9h 15m
2 stops
YQT8:50 p.m.Thunder Bay
18 Oct
YQT7:40 a.m.Thunder Bay
7h 26m
1 stop
IAD3:06 p.m.Washington, D.C. Dulles Intl
Porter Airlines
12 Oct
IAD11:35 a.m.Washington, D.C. Dulles Intl
9h 15m
2 stops
YQT8:50 p.m.Thunder Bay
18 Oct
YQT10:20 a.m.Thunder Bay
23h 56m
1 stop
IAD10:16 a.m.Washington, D.C. Dulles Intl

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 96,600 searches. Data last updated 11 September 2025.
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

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-6:41 p.m.

1 stop7h 06m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 596

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 616

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

10:20 a.m.-10:16 a.m.

1 stop23h 56m

C$ 623

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

4:20 p.m.-9:13 p.m.

1 stop4h 53m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 625

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

10:15 a.m.-11:57 a.m.

2 stops25h 42m

C$ 770

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

12:46 p.m.-6:54 p.m.

3 stops30h 08m

Thunder Bay

Sat 18/10

7:40 a.m.-3:06 p.m.

1 stop7h 26m

C$ 777

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-4:41 p.m.

1 stop5h 06m

Thunder Bay

Sun 12/10

7:25 p.m.-10:16 a.m.

1 stop14h 51m

C$ 788

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

11:45 a.m.-11:57 a.m.

3 stops24h 12m

C$ 822

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-8:50 p.m.

2 stops9h 15m

Thunder Bay

Sat 18/10

11:45 a.m.-11:57 a.m.

3 stops24h 12m

C$ 824

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sun 12/10

12:46 p.m.-6:54 p.m.

3 stops30h 08m

Thunder Bay

Sat 18/10

11:45 a.m.-11:57 a.m.

3 stops24h 12m

C$ 968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 is the most popular carrier 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

Direct flights

None
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.
  • How far is Washington, D.C. to Thunder Bay by plane?

    A flight from Washington, D.C. to Thunder Bay will travel around 1436.5 km. A reasonable flight in good conditions will take 4h 53m.

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 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?

It is quick and easy to find Washington, D.C. to Thunder Bay flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Thunder Bay that suits you.

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?

Of course. momondo tracks the price of Washington, D.C. to Thunder Bay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Thunder Bay trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/10
Sat 18/10

Find better results for your trip to Canada