$108 Cheap Flights from Boston (BOS) to Duluth (DLH)

View $108 flight on Fri, Sep 11, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Boston to Duluth (BOS-DLH)

Prices were available within the past 7 days and start at $108 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 20 - Mon, Aug 24
BOS
Boston
DLH
Duluth
$328 Roundtrip, just found
$328
Roundtrip
just found
Select United flight, departing Thu, Aug 20 from Boston to Duluth, returning Mon, Aug 24, priced at $328 just found
United
Thu, Aug 20 - Mon, Aug 24
BOS
Boston
DLH
Duluth
$334 Roundtrip, just found
$334
Roundtrip
just found
Select United flight, departing Thu, Aug 20 from Boston to Duluth, returning Mon, Aug 24, priced at $334 just found
United
Tue, May 12 - Tue, May 19
BOS
Boston
DLH
Duluth
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 12 from Boston to Duluth, returning Tue, May 19, priced at $349 found 4 days ago
United
Sat, Jun 6 - Wed, Jun 10
BOS
Boston
DLH
Duluth
$355 Roundtrip, found 4 days ago
$355
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 6 from Boston to Duluth, returning Wed, Jun 10, priced at $355 found 4 days ago
Delta
Tue, May 12 - Tue, May 19
BOS
Boston
DLH
Duluth
$358 Roundtrip, found 4 days ago
$358
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 12 from Boston to Duluth, returning Tue, May 19, priced at $358 found 4 days ago
United
Thu, Aug 20 - Mon, Aug 24
BOS
Boston
DLH
Duluth
$363 Roundtrip, just found
$363
Roundtrip
just found
Select United flight, departing Thu, Aug 20 from Boston to Duluth, returning Mon, Aug 24, priced at $363 just found
United
Thu, Aug 20 - Mon, Aug 24
BOS
Boston
DLH
Duluth
$368 Roundtrip, just found
$368
Roundtrip
just found
Select United flight, departing Thu, Aug 20 from Boston to Duluth, returning Mon, Aug 24, priced at $368 just found
United
Thu, May 28 - Wed, Jun 3
BOS
Boston
DLH
Duluth
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 28 from Boston to Duluth, returning Wed, Jun 3, priced at $369 found 4 days ago
United
Thu, Sep 3 - Mon, Sep 7
BOS
Boston
DLH
Duluth
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 3 from Boston to Duluth, returning Mon, Sep 7, priced at $373 found 1 day ago
Sun Country Airlines
Fri, Sep 11 - Sun, Sep 13
BOS
Boston
DLH
Duluth
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Fri, Sep 11 from Boston to Duluth, returning Sun, Sep 13, priced at $416 found 2 days ago

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.) cost?
You can find cheap one-way flights and cheap return flights from $328 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.) with Expedia. One-way flights generally range between $265 and $930, and roundtrip flights usually range from $396 to $1269. 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 Boston, MA (BOS-Logan 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
December is the cheapest month to fly from Boston (BOS) to Duluth (DLH), with average round-trip fares around $328. This price is about 38% lower than the average throughout the year, as travel demand tends to drop after the holiday season. Other affordable months include March and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Enter BOS to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Boston, MA (BOS) to Duluth, MN (DLH), with return tickets starting from around $503. 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The best times to fly from Boston, MA (BOS) to Duluth, MN (DLH) are December and March. You can find return flights averaging around $328 in December, which is a festive time to visit, while March offers a chance to enjoy the early spring thaw. Both months strike a good balance between price and travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The earliest flight from Boston Logan International Airport (BOS) to Duluth International Airport (DLH) typically departs at around 5:20 AM, operated by United. An early departure like this allows you to make the most of your day upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The most popular departure times for flights from Boston, MA (BOS) to Duluth, MN (DLH) are in the late morning, from 9am to noon. About 25% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Airlines, offer flights during this window. This timing works well because it allows you to travel after a morning in Boston.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Flights from BOS to DLH with one stop typically take around 6 hours 30 minutes, covering approximately 1,082 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
First class seats are offered on the BOS to DLH route with Delta Air Lines and United Airlines.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan 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 Logan Intl. (BOS)?
If you're planning to travel to Duluth from Logan Intl. (BOS), you can fly into Duluth Intl. (DLH) Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), Ronald Reagan Washington National (DCA) 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan 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 Boston, MA (BOS-Logan Intl.) to Duluth, MN (DLH-Duluth Intl.)?
If you booked your Boston, MA (BOS-Logan 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.

Travel information

Origin airport
Logan Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$328
Distance
1082 mi

Book with confidence

Boston to Duluth Flights

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

 

The best time to book a flight from Boston to Duluth

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Duluth in 2026. You can also book with separate airlines for your outbound and return journeys, from $108 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 Boston 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 Boston 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.

 

Boston to Duluth Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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