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IAD - YQT

C$ 560 Find Cheap Flights from Washington, D.C. to Thunder Bay – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 560
Typical prices: C$ 646-C$ 827
Porter Airlines
Tue 13/11Tue 20/11
IAD - YQT • 1 stop
When to travel
November
Cheapest • 26% price drop
June
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Thunder Bay!
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Flight Deals

Cheap Flights from Washington, D.C. to Thunder Bay (IAD-YQT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Thunder Bay

Fri, 13 Nov - Fri, 20 Nov
Porter Airlines Logo
11:20 a.m. - 4:44 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 24m1 stop Toronto Island
Porter Airlines Logo
7:05 a.m. - 5:43 p.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
10h 38m1 stop Toronto Island
C$ 560Porter Airlines
Fri, 13 Nov - Fri, 20 Nov
Porter Airlines Logo
11:20 a.m. - 8:28 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
9h 08m2 stops Toronto Island Ottawa
Porter Airlines Logo
5:25 p.m. - 10:38 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 13m1 stop Toronto Island
C$ 588Porter Airlines
Sat, 14 Nov - Sat, 21 Nov
Porter Airlines Logo
11:20 a.m. - 4:44 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 24m1 stop Toronto Island
Porter Airlines Logo
5:25 p.m. - 10:38 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 13m1 stop Toronto Island
C$ 619Porter Airlines
Thu, 22 Oct - Mon, 26 Oct
Porter Airlines Logo
3:50 p.m. - 9:45 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 55m1 stop Toronto Island
Porter Airlines Logo
5:25 p.m. - 10:38 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 13m1 stop Toronto Island
C$ 631Porter Airlines
Thu, 22 Oct - Mon, 26 Oct
Porter Airlines Logo
3:50 p.m. - 9:45 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 55m1 stop Toronto Island
Porter Airlines Logo
9:55 a.m. - 10:38 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
24h 43m2 stops Ottawa Toronto Island
C$ 636Porter Airlines
Tue, 13 Oct - Fri, 16 Oct
Porter Airlines Logo
11:25 a.m. - 1:00 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
25h 35m1 stop Toronto Island
Porter Airlines Logo
5:15 p.m. - 10:45 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Toronto Island
C$ 713Porter Airlines
Sat, 17 Oct - Sat, 19 Dec
Porter Airlines Logo
11:25 a.m. - 7:20 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
7h 55m1 stop Toronto Island
Porter Airlines Logo
5:25 p.m. - 10:38 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 13m1 stop Toronto Island
C$ 814Porter Airlines
Sat, 17 Oct - Wed, 21 Oct
Porter Airlines Logo
11:25 a.m. - 6:05 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 40m1 stop Toronto Island
Porter Airlines Logo
5:15 p.m. - 10:45 a.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Toronto Island
C$ 899Porter Airlines
Fri, 13 Nov - Fri, 20 Nov
Multiple Airlines Logo
11:20 a.m. - 10:19 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
10h 59m1 stop Toronto Island
Multiple Airlines Logo
6:20 a.m. - 12:14 p.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
29h 54m3 stops Toronto Pearson Intl Orlando Atlanta Hartsfield-Jackson
C$ 907Multiple Airlines
Fri, 13 Nov - Fri, 20 Nov
Multiple Airlines Logo
11:20 a.m. - 8:28 p.m.IAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
9h 08m2 stops Toronto Island Ottawa
Multiple Airlines Logo
6:20 a.m. - 12:14 p.m.YQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
29h 54m3 stops Toronto Pearson Intl Orlando Atlanta Hartsfield-Jackson
C$ 917Multiple Airlines
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Thunder Bay flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Thunder Bay with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Thunder Bay?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Thunder Bay start at C$ 560. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 646 to C$ 827. The lowest price found in the past 5 days was C$ 560 on Porter Airlines.

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Key details for Washington, D.C. Dulles Intl Airport to Thunder Bay flights

Low season

January

Cheapest flight

C$ 560
Flights from Washington, D.C. Dulles Intl Airport to Thunder Bay

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Thunder Bay based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Thunder Bay flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Thunder Bay.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Thunder Bay changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 560 to C$ 2,596. That means the highest observed fare was about 5x higher than the lowest one.

  • What car rental options are available at Thunder Bay Airport (YQT)?

    Thunder Bay Airport (YQT) hosts 5 major car rental companies, with daily rates starting from around C$ 34 for economy cars. Top options include:
    • Enterprise Rent-A-Car
    • National
    • Budget
    • Avis
    • Driving Force

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Flights from Washington, D.C. Dulles Intl Airport to Thunder Bay usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Thunder Bay (YQT).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Thunder Bay pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to Thunder Bay pass through Toronto Island (YTZ), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Thunder Bay?

    Yes. Being flexible with your travel dates can save you up to 40% on the Washington, D.C. Dulles Intl Airport to Thunder Bay route. Thursday is the cheapest departure day at C$ 544 round-trip on average, while Tuesday is the most expensive at C$ 893, a difference of C$ 349. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Your guide to booking Washington, D.C. Dulles Intl Airport to Thunder Bay flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average C$ 544 – about C$ 349 less than Tuesday (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Thunder Bay trip for November. Fares historically average C$ 544 round-trip in that month – typically C$ 349 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Thunder Bay Airport.
    - Valhalla Hotel & Conference Centre
    - Superior Inn Hotel and Conference Centre Thunder Bay
    - Ramada by Wyndham Thunder Bay Airlane Hotel

More options for your flight from Washington, D.C. to Thunder Bay

Complete your trip to Thunder Bay with a hotel stay or car rental

Car rentals in Thunder Bay
Hotels in Thunder Bay
Vacations in Thunder Bay