Cheap flights from Washington, D.C. Dulles Intl Airport to Thunder Bay from $437

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. Dulles Intl Airport to Thunder Bay departing on 5/23. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? 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. Dulles Intl Airport to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:30 am - 6:10 pm
IAD
-
YQT
6h 40m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$437Porter Airlines
Sa, Mai 23 - Sa, Mai 30
Porter Airlines Logo
11:30 am - 4:35 pm
IAD
-
YQT
5h 05m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$474Porter Airlines
Fr, Jul 10 - So, Jul 19
Porter Airlines Logo
4:05 pm - 9:45 pm
IAD
-
YQT
5h 40m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$500Porter Airlines
Do, Mai 21 - Do, Mai 28
Air Canada Logo
4:05 pm - 11:15 pm
IAD
-
YQT
7h 10m
1 stop
Air Canada Logo
5:10 am - 3:03 pm
YQT
-
IAD
9h 53m
2 stops
$515Air Canada
Mi, Jun 3 - Fr, Jun 5
Air Canada Logo
9:45 am - 5:20 pm
IAD
-
YQT
7h 35m
2 stops
Air Canada Logo
5:10 am - 3:03 pm
YQT
-
IAD
9h 53m
2 stops
$523Air Canada
Mi, Jun 3 - Fr, Jun 5
Air Canada Logo
4:05 pm - 11:15 pm
IAD
-
YQT
7h 10m
1 stop
Air Canada Logo
5:10 am - 8:29 pm
YQT
-
IAD
15h 19m
1 stop
$531Air Canada
Mi, Jun 3 - Fr, Jun 5
Porter Airlines Logo
11:30 am - 6:10 pm
IAD
-
YQT
6h 40m
1 stop
Porter Airlines Logo
11:35 am - 10:46 am
YQT
-
IAD
23h 11m
2 stops
$544Porter Airlines
Sa, Mai 23 - Sa, Mai 30
Porter Airlines Logo
4:00 pm - 9:45 pm
IAD
-
YQT
5h 45m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$547Porter Airlines
Fr, Jul 31 - So, Aug 9
Porter Airlines Logo
11:30 am - 4:35 pm
IAD
-
YQT
5h 05m
1 stop
Porter Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$559Porter Airlines
Fr, Jul 31 - So, Aug 9
Multiple Airlines Logo
7:00 pm - 10:25 am
IAD
-
YQT
39h 25m
2 stops
Multiple Airlines Logo
6:00 am - 10:46 am
YQT
-
IAD
4h 46m
1 stop
$572Multiple Airlines
Fr, Jul 10 - So, Jul 19

Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Thunder Bay flight tickets
Porter Airlines
May 23
IAD11:30 amWashington, D.C. Dulles Intl
6h 40m
1 stop
YQT6:10 pmThunder Bay
May 30
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$437
Porter Airlines
Jul 10
IAD11:30 amWashington, D.C. Dulles Intl
5h 05m
1 stop
YQT4:35 pmThunder Bay
Jul 19
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$474
Porter Airlines
May 21
IAD4:05 pmWashington, D.C. Dulles Intl
5h 40m
1 stop
YQT9:45 pmThunder Bay
May 28
YQT6:00 amThunder Bay
4h 46m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$500

Air Canada flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Thunder Bay flight tickets
Air Canada
Jun 3
IAD4:05 pmWashington, D.C. Dulles Intl
7h 10m
1 stop
YQT11:15 pmThunder Bay
Jun 5
YQT5:10 amThunder Bay
9h 53m
2 stops
IAD3:03 pmWashington, D.C. Dulles Intl
$515
Air Canada
Jun 3
IAD9:45 amWashington, D.C. Dulles Intl
7h 35m
2 stops
YQT5:20 pmThunder Bay
Jun 5
YQT5:10 amThunder Bay
9h 53m
2 stops
IAD3:03 pmWashington, D.C. Dulles Intl
$523
Air Canada
Jun 3
IAD4:05 pmWashington, D.C. Dulles Intl
7h 10m
1 stop
YQT11:15 pmThunder Bay
Jun 5
YQT5:10 amThunder Bay
15h 19m
1 stop
IAD8:29 pmWashington, D.C. Dulles Intl
$531

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 April 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl 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

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sa 5/23

11:30 am-6:10 pm

1 stop6h 40m

Thunder Bay

Sa 5/30

6:00 am-10:46 am

1 stop4h 46m

$437
Quickest round-trip

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fr 7/10

11:30 am-4:35 pm

1 stop5h 05m

Thunder Bay

So 7/19

6:00 am-10:46 am

1 stop4h 46m

$474

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Do 5/21

4:05 pm-9:45 pm

1 stop5h 40m

Thunder Bay

Do 5/28

6:00 am-10:46 am

1 stop4h 46m

$500

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mi 6/3

4:05 pm-11:15 pm

1 stop7h 10m

Thunder Bay

Fr 6/5

5:10 am-3:03 pm

2 stops9h 53m

$515

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mi 6/3

9:45 am-5:20 pm

2 stops7h 35m

Thunder Bay

Fr 6/5

5:10 am-3:03 pm

2 stops9h 53m

$523

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mi 6/3

4:05 pm-11:15 pm

1 stop7h 10m

Thunder Bay

Fr 6/5

5:10 am-8:29 pm

1 stop15h 19m

$531

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Sa 5/23

11:30 am-6:10 pm

1 stop6h 40m

Thunder Bay

Sa 5/30

11:35 am-10:46 am

2 stops23h 11m

$544

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fr 7/31

4:00 pm-9:45 pm

1 stop5h 45m

Thunder Bay

So 8/9

6:00 am-10:46 am

1 stop4h 46m

$547

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fr 7/31

11:30 am-4:35 pm

1 stop5h 05m

Thunder Bay

So 8/9

6:00 am-10:46 am

1 stop4h 46m

$559

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Fr 7/10

7:00 pm-10:25 am

2 stops39h 25m

Thunder Bay

So 7/19

6:00 am-10:46 am

1 stop4h 46m

$572

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

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

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

Fastest flight time

5h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Thunder Bay takes 5h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Thunder Bay. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Thunder Bay.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Thunder Bay

  • How far is Washington, D.C. Dulles Intl to Thunder Bay by plane?

    Thunder Bay is 876.4 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 5h 05m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl 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. Dulles Intl 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.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Thunder Bay?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Thunder Bay

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Thunder Bay with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $190Free CancellationRating
8.0
432 reviews
Search Porter Airlines flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Thunder Bay

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Price Alerts will notify you by email when the price for flights to Thunder Bay from Washington, D.C. Dulles Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Thunder Bay with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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?

Yes. momondo enables you to select and highlight flights to Thunder Bay from Washington, D.C. with this policy.

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

Once all potential Washington, D.C. to Thunder Bay flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 simply researching potential flights to Thunder Bay, momondo offers a useful price alert feature which will track prices for flights to Thunder Bay from Washington, D.C. and alert you when they change.

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
So 5/10
So 5/17

Find better results for your trip to Canada