IAD - YQT

$190 Find Cheap Flights from Washington Dulles Airport to Thunder Bay - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$564
Typical prices: $455-$583
Porter Airlines
Fri 1/5Sun 1/7
IAD - YQT • 2 stops
Cheapest one-way
$190
Typical prices: $438-$718
Porter Airlines
Mon 10/15
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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Flight Deals

Cheap Flights from Dulles Intl to Thunder Bay (IAD-YQT)

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

Recent round-trip flight deals from Dulles Intl to Thunder Bay

Sat, Oct 17 - Wed, Oct 21
Porter Airlines Logo
11:25 am - 6:05 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 40m1 stop Toronto Island
Porter Airlines Logo
5:15 pm - 10:45 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Toronto Island
$560Porter Airlines
Tue, Jan 5 - Thu, Jan 7
Porter Airlines Logo
11:20 am - 8:28 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
9h 08m2 stops Toronto Island Ottawa
Porter Airlines Logo
1:30 pm - 10:38 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
21h 08m1 stop Toronto Island
$564Porter Airlines
Sat, Oct 17 - Wed, Oct 21
Porter Airlines Logo
11:25 am - 6:05 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 40m1 stop Toronto Island
Porter Airlines Logo
11:35 am - 3:10 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
27h 35m2 stops Ottawa Toronto Island
$565Porter Airlines
Sat, Oct 17 - Wed, Oct 21
Porter Airlines Logo
11:25 am - 6:05 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 40m1 stop Toronto Island
Porter Airlines Logo
5:15 pm - 10:45 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Toronto Island
$571Porter Airlines
Tue, Jan 5 - Thu, Jan 7
Porter Airlines Logo
11:20 am - 4:44 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
5h 24m1 stop Toronto Island
Porter Airlines Logo
1:30 pm - 10:38 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
21h 08m1 stop Toronto Island
$583Porter Airlines
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
4:00 pm - 10:58 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 58m1 stop Toronto Pearson Intl
Air Canada Logo
5:15 am - 2:57 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
9h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$592Air Canada
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
4:00 pm - 10:58 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 58m1 stop Toronto Pearson Intl
Air Canada Logo
5:15 am - 2:57 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
9h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$593Air Canada
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
9:45 am - 5:13 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
7h 28m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:15 am - 2:57 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
9h 42m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$601Air Canada
Sat, Oct 17 - Wed, Oct 21
Porter Airlines Logo
11:25 am - 6:05 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
6h 40m1 stop Toronto Island
Porter Airlines Logo
5:15 pm - 10:45 amYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Toronto Island
$603Porter Airlines
Tue, Jan 5 - Thu, Jan 7
WestJet Logo
7:30 am - 4:05 pmIAD  Washington, D.C. Dulles Intl-YQT Thunder Bay
8h 35m2 stops Minneapolis St Paul Winnipeg
WestJet Logo
4:40 pm - 2:41 pmYQT  Thunder Bay-IAD Washington, D.C. Dulles Intl
22h 01m2 stops Winnipeg Atlanta Hartsfield-Jackson
$1,114WestJet
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 $564. Prices are typical for this route right now, with typical round-trip fares ranging from $455 to $583. The lowest price found in the past 5 days was $564 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

$190
Flight from Washington, D.C. Dulles Intl Airport to Thunder Bay

When to book flights from Dulles Intl to Thunder Bay

Are your dates flexible? Find out the best times to travel from Dulles Intl 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 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).

  • What 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.

  • 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 $383 round-trip on average, while Tuesday is the most expensive at $629, a difference of $246. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 varied from about $564 to $1,114. That means the highest observed fare was about 97% higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Thunder Bay looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Thunder Bay are currently lower than usual. Average one-way flight prices are about $246, which is 45% below the typical average for this route.

  • 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 $24 for economy cars. Top options include:
    • Enterprise Rent-A-Car
    • National
    • Budget
    • Avis
    • Driving Force

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 can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $383 - about $246 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 $383 round-trip in that month - typically $246 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
    - Hampton Inn & Suites by Hilton Thunder Bay

More options for your flight from Dulles Intl 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