$556 Cheap Flights from Duluth (DLH) to Thunder Bay (YQT)

View $556 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Thunder Bay, ON (YQT-Thunder Bay Intl.)

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Cheap Flights from Duluth to Thunder Bay (DLH-YQT)

Prices were available within the past 7 days and start at $556 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT) cost?
Snag a cheap one-way flight from $556 or cheap return flight from Duluth Intl. Airport (DLH) 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 Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT)?
is the least expensive month to fly from DLH to YQT. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT)?
To find the cheapest airline flying from DLH to YQT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT)?
Nonstop flights from Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DLH to YQT?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier 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 Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT)?
To avoid potential delays on the Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT) last-minute?
Holding off until just before your trip to book a ticket from DLH to YQT generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a DLH to YQT flight and hotel package?
Booking a DLH to YQT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals 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 Duluth Intl. Airport (DLH) to Thunder Bay Intl. Airport (YQT)?
In most cases, you can modify or cancel your DLH to YQT flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Duluth Intl.
Destination airport
Thunder Bay Intl.
Distance
170 mi

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Duluth to Thunder Bay Flights

The cheapest times to fly from Duluth 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 Duluth to Thunder Bay are during the month of . You can find some of the cheapest flights from Duluth to Thunder Bay with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Duluth 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 Duluth 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 Duluth to Thunder Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $556 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 Duluth 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 Duluth 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.

 

Duluth to Thunder Bay Flights

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*Available to One Key members.