$277 Cheap Flights from Washington (DCA) to Thunder Bay (YQT)

View $277 flight on Wed, Jul 22, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Thunder Bay, ON (YQT-Thunder Bay Intl.)

Cheap Flights from Washington to Thunder Bay (DCA-YQT)

Prices were available within the past 7 days and start at $277 for one-way flights and $575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Jan 24 - Sun, Feb 8
DCA
Washington
YQT
Thunder Bay
$575 Roundtrip, found 2 days ago
$575
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Jan 24 from Washington to Thunder Bay, returning Sun, Feb 8, priced at $575 found 2 days ago
Air Canada
Fri, Jan 30 - Thu, Feb 12
DCA
Washington
YQT
Thunder Bay
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 30 from Washington to Thunder Bay, returning Thu, Feb 12, priced at $579 found 2 days ago
Porter Airlines
Wed, Jan 7 - Mon, Jan 12
DCA
Washington
YQT
Thunder Bay
$580 Roundtrip, found 6 days ago
$580
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Jan 7 from Washington to Thunder Bay, returning Mon, Jan 12, priced at $580 found 6 days ago
Air Canada
Mon, Dec 8 - Tue, Dec 23
DCA
Washington
YQT
Thunder Bay
$584 Roundtrip, found 2 days ago
$584
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Dec 8 from Washington to Thunder Bay, returning Tue, Dec 23, priced at $584 found 2 days ago
Porter Airlines
Mon, Jan 19 - Sat, Feb 7
DCA
Washington
YQT
Thunder Bay
$588 Roundtrip, found 2 days ago
$588
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Mon, Jan 19 from Washington to Thunder Bay, returning Sat, Feb 7, priced at $588 found 2 days ago
Air Canada
Thu, Jan 8 - Wed, Jan 14
DCA
Washington
YQT
Thunder Bay
$596 Roundtrip, found 6 days ago
$596
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Jan 8 from Washington to Thunder Bay, returning Wed, Jan 14, priced at $596 found 6 days ago
Porter Airlines
Wed, Dec 31 - Mon, Jan 5
DCA
Washington
YQT
Thunder Bay
$604 Roundtrip, found 2 days ago
$604
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Wed, Dec 31 from Washington to Thunder Bay, returning Mon, Jan 5, priced at $604 found 2 days ago
Air Canada
Wed, Dec 24 - Sun, Jan 11
DCA
Washington
YQT
Thunder Bay
$607 Roundtrip, found 2 days ago
$607
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Dec 24 from Washington to Thunder Bay, returning Sun, Jan 11, priced at $607 found 2 days ago
United
Wed, Jul 22 - Sat, Aug 1
DCA
Washington
YQT
Thunder Bay
$624 Roundtrip, found 2 days ago
$624
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 22 from Washington to Thunder Bay, returning Sat, Aug 1, priced at $624 found 2 days ago
JetBlue Airways
Mon, Jan 5 - Tue, Jan 13
DCA
Washington
YQT
Thunder Bay
$662 Roundtrip, found 6 days ago
$662
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Jan 5 from Washington to Thunder Bay, returning Tue, Jan 13, priced at $662 found 6 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT) cost?
Lock in a cheap one-way flight from $277 or cheap return flight from $575 from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT)?
Flying in January is a great way to save, as it's the cheapest month for flights between DCA and YQT. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from DCA to YQT. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT)?
There are no daily direct flights available from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from DCA to YQT?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT)?
To arrive at Thunder Bay Intl. Airport (YQT) on time, select a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT) last-minute?
Last-minute fares from DCA to YQT are usually more expensive. To lock in the best prices, start searching for flights well in advance. That said, if your travel plans are flexible, you may score a cheap ticket right before you leave.
Is it cheaper to book a DCA to YQT flight and hotel package?
Securing a DCA to YQT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Thunder Bay Intl. Airport (YQT)?
If you reserved your DCA to YQT flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Thunder Bay Intl.
Airlines serving
Air Canada, Porter Airlines, United
Roundtrip price
$575
Distance
897 mi

Book with confidence

Washington to Thunder Bay Flights

The cheapest times to fly from Washington to Thunder Bay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Thunder Bay are during the month of January. You can find some of the cheapest flights from Washington to Thunder Bay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Thunder Bay

Sunday is one of the best days to book for cheap flights from Washington to Thunder Bay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Thunder Bay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Thunder Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $277 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Thunder Bay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Thunder Bay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Thunder Bay Flights

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*Available to One Key members.