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Cheap flights from Thunder Bay to Washington, D.C. Dulles Intl Airport from C$ 703

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — IAD
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thunder Bay to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Thunder Bay to Dulles Intl
Explore the most affordable flight options available from Thunder Bay to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Fri 3/78:15 a.m.
YQT
-
IAD
1 stop6h 56m
Porter Airlines
Sun 5/711:05 a.m.
IAD
-
YQT
1 stop5h 30m
Porter Airlines
Deal found 9/6C$ 703
Fri 3/75:10 a.m.
YQT
-
IAD
2 stops9h 02m
United Airlines
Fri 3/74:20 p.m.
IAD
-
YQT
1 stop6h 29m
United Airlines
Deal found 9/6C$ 731
Tue 30/68:15 a.m.
YQT
-
IAD
1 stop7h 01m
Porter Airlines
Mon 6/73:55 p.m.
IAD
-
YQT
1 stop5h 50m
Porter Airlines
Deal found 9/6C$ 749
Tue 25/88:15 a.m.
YQT
-
IAD
1 stop6h 55m
Porter Airlines
Wed 26/811:25 a.m.
IAD
-
YQT
1 stop5h 10m
Porter Airlines
Deal found 9/6C$ 757
Wed 1/711:20 a.m.
YQT
-
IAD
1 stop4h 53m
United Airlines
Sat 4/74:20 p.m.
IAD
-
YQT
1 stop6h 29m
United Airlines
Deal found 9/6C$ 768
Tue 25/85:10 a.m.
YQT
-
IAD
2 stops9h 51m
Air Canada
Wed 26/84:20 p.m.
IAD
-
YQT
1 stop7h 09m
Air Canada
Deal found 8/6C$ 773
Fri 3/75:15 p.m.
YQT
-
IAD
1 stop17h 10m
Porter Airlines
Mon 6/73:55 p.m.
IAD
-
YQT
1 stop5h 50m
Porter Airlines
Deal found 9/6C$ 775
Tue 30/611:50 a.m.
YQT
-
IAD
2 stops12h 55m
United Airlines
Thu 2/74:20 p.m.
IAD
-
YQT
1 stop6h 29m
United Airlines
Deal found 9/6C$ 777
Tue 30/66:00 a.m.
YQT
-
IAD
1 stop4h 46m
Porter Airlines
Sat 4/711:05 a.m.
IAD
-
YQT
1 stop7h 00m
Porter Airlines
Deal found 9/6C$ 785
Mon 29/65:15 p.m.
YQT
-
IAD
1 stop17h 31m
Porter Airlines
Wed 1/711:05 a.m.
IAD
-
YQT
1 stop8h 15m
Porter Airlines
Deal found 9/6C$ 800

Find flight deals from Thunder Bay to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Thunder Bay (YQT) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 June 2026.

Round-trip from

C$ 703
Porter Airlines
  • Porter Airlines
  • 3/7-5/7
  • 2 total stops
  • 12h 26m total
  • Thunder Bay to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thunder Bay to Dulles Intl 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, Cheapflights users made 629,999 searches. Data last updated 10 June 2026.
Use the filters below to find and compare flights from Thunder Bay to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Tue 25/8

8:15 a.m.-3:10 p.m.

1 stop6h 55m

Washington, D.C. Dulles Intl

Wed 26/8

11:25 a.m.-4:35 p.m.

1 stop5h 10m

C$ 757

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Wed 1/7

11:20 a.m.-12:45 a.m.

2 stops13h 25m

Washington, D.C. Dulles Intl

Thu 2/7

4:20 p.m.-10:49 p.m.

1 stop6h 29m

C$ 777

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Tue 30/6

11:50 a.m.-12:45 a.m.

2 stops12h 55m

Washington, D.C. Dulles Intl

Wed 1/7

4:20 p.m.-10:49 p.m.

1 stop6h 29m

C$ 777

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Tue 30/6

11:50 a.m.-12:45 a.m.

2 stops12h 55m

Washington, D.C. Dulles Intl

Mon 6/7

4:20 p.m.-10:49 p.m.

1 stop6h 29m

C$ 777

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Wed 1/7

11:20 a.m.-12:45 a.m.

2 stops13h 25m

Washington, D.C. Dulles Intl

Mon 6/7

4:20 p.m.-10:49 p.m.

1 stop6h 29m

C$ 777

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Tue 25/8

5:10 a.m.-3:01 p.m.

2 stops9h 51m

Washington, D.C. Dulles Intl

Wed 26/8

9:45 a.m.-5:24 p.m.

2 stops7h 39m

C$ 778

Thunder BayWashington, D.C.

YQT - IAD

YQTIAD

Thunder Bay

Wed 1/7

11:20 a.m.-12:45 a.m.

2 stops13h 25m

Washington, D.C. Dulles Intl

Sun 5/7

9:55 a.m.-10:49 p.m.

1 stop12h 54m

C$ 827

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Sorted by cheapest first

Best time to book a flight from Thunder Bay to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Thunder Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thunder Bay to Washington, D.C. Dulles Intl Airport

What’s the top layover airport for flights from Thunder Bay to Washington, D.C. Dulles Intl Airport?

Share of one-stop round-trip flights from Thunder Bay to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 50% of one-stop itineraries from Thunder Bay to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Thunder Bay to Washington, D.C. Dulles Intl Airport?

Average round-trip fare for 1-stop flights from Thunder Bay to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YTZ) is the most affordable 1-stop option, with an average round-trip price of C$ 676.

What’s the fastest layover option from Thunder Bay to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Thunder Bay to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YTZ) have the shortest average one-way travel time for 1-stop routes: 4h 45m.

Which airport typically offers the quickest layover for flights from Thunder Bay to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Thunder Bay to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 1h 48m.

Related info for your journey

Find useful and relevant information for your journey from Thunder Bay to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Thunder Bay to Washington, D.C. Dulles Intl?

    Most people fly from Thunder Bay (YQT) if they book a flight from Thunder Bay to Washington, D.C. Dulles Intl. On average, Thunder Bay has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Thunder Bay is conveniently located just 5.6 km from Thunder Bay’s city centre.

  • How long is the flight from Thunder Bay to Washington, D.C. Dulles Intl Airport?

    A quick flight from Thunder Bay to Washington, D.C. Dulles Intl Airport can take about 6h 55m. Porter Airlines provides one of the quickest options available for as low as C$ 757. The distance between Thunder Bay and Washington, D.C. Dulles Intl Airport is about 1413 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Thunder Bay to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Thunder Bay to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Thunder Bay to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thunder Bay to Dulles Intl.

  • Can I find deals for business class flights from Thunder Bay to Dulles Intl?

    Yes. Cheapflights offers flight deals from Thunder Bay to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Warrenton
Winchester
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Chantilly
Herndon
Arlington
Fredericksburg
Alexandria
Rockville

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Why should you use Cheapflights to find cheap flight tickets from Thunder Bay to Dulles Intl?

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Can Cheapflights find flights from Thunder Bay to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Thunder Bay? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Thunder Bay to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Thunder Bay to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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