$243 Cheap Flights from Buffalo (BUF) to Duluth (DLH)

View $243 flight on Wed, Oct 7, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Buffalo to Duluth (BUF-DLH)

Prices were available within the past 7 days and start at $243 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 23 - Sat, May 30
BUF
Buffalo
DLH
Duluth
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 23 from Buffalo to Duluth, returning Sat, May 30, priced at $258 found 2 days ago
Delta
Wed, Feb 18 - Tue, Mar 3
BUF
Buffalo
DLH
Duluth
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Feb 18 from Buffalo to Duluth, returning Tue, Mar 3, priced at $274 found 1 day ago
United
Sat, Feb 28 - Wed, Mar 4
BUF
Buffalo
DLH
Duluth
$284 Roundtrip, found 11 hours ago
$284
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Feb 28 from Buffalo to Duluth, returning Wed, Mar 4, priced at $284 found 11 hours ago
United
Sat, Feb 28 - Wed, Mar 4
BUF
Buffalo
DLH
Duluth
$289 Roundtrip, found 11 hours ago
$289
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Feb 28 from Buffalo to Duluth, returning Wed, Mar 4, priced at $289 found 11 hours ago
United
Sat, Feb 21 - Tue, Feb 24
BUF
Buffalo
DLH
Duluth
$306 Roundtrip, found 3 hours ago
$306
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Feb 21 from Buffalo to Duluth, returning Tue, Feb 24, priced at $306 found 3 hours ago
Delta
Sat, Mar 7 - Mon, Mar 16
BUF
Buffalo
DLH
Duluth
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Mar 7 from Buffalo to Duluth, returning Mon, Mar 16, priced at $309 found 4 days ago
United
Sun, Feb 8 - Wed, Feb 25
BUF
Buffalo
DLH
Duluth
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 8 from Buffalo to Duluth, returning Wed, Feb 25, priced at $314 found 2 days ago
United
Sun, Feb 8 - Wed, Feb 25
BUF
Buffalo
DLH
Duluth
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 8 from Buffalo to Duluth, returning Wed, Feb 25, priced at $319 found 2 days ago
Delta
Tue, Feb 24 - Tue, Mar 10
BUF
Buffalo
DLH
Duluth
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 24 from Buffalo to Duluth, returning Tue, Mar 10, priced at $328 found 4 days ago
United
Sun, Mar 29 - Sun, Apr 5
BUF
Buffalo
DLH
Duluth
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select United flight, departing Sun, Mar 29 from Buffalo to Duluth, returning Sun, Apr 5, priced at $328 found 1 day ago

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $306
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $306
Flights from Buffalo (BUF) to Duluth (DLH)
Origin airport
Buffalo Niagara Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$258
Distance
710 mi

Buffalo to Duluth Flights

The cheapest times to fly from Buffalo to Duluth

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 Buffalo to Duluth are during the month of May. You can find some of the cheapest flights from Buffalo to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Duluth

Sunday is one of the best days to book for cheap flights from Buffalo to Duluth: 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 Buffalo to Duluth

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 Buffalo to Duluth in 2026. You can also book with separate airlines for your outbound and return journeys, from $243 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 Buffalo to Duluth 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 Buffalo to Duluth 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.

 

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) cost?
You can find cheap one-way flights from $243 and cheap return flights from $258 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) with Expedia. One-way flights typically cost between $268 and $1079, and return flights often range between $378 and $1440. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The cheapest month to fly from BUF to DLH is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Enter BUF to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Buffalo, NY (BUF) to Duluth, MN (DLH), starting from around $527. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BUF to DLH. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including Delta Airlines, United Airlines and American Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Duluth with a full day ahead of you.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Flying from BUF to DLH with a connection usually takes about 4 hours 50 minutes, traveling roughly 710 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to DLH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Duluth from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Duluth from Buffalo Niagara Intl. (BUF), you can fly into Duluth Intl. (DLH) Some flights may connect through major hubs like LaGuardia (LGA), Detroit Metropolitan Wayne County (DTW), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Duluth. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) Duluth Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Duluth, MN (DLH-Duluth Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

*Flight schedules are subject to change.

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