$174 Cheap Flights from Billings (BIL) to Boston (BOS)

View $174 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Logan International Airport (BOS)

Cheap Flights from Billings to Boston (BIL-BOS)

Prices were available within the past 7 days and start at $174 for one-way flights and $310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 17 - Wed, Apr 1
BIL
Billings
BOS
Boston
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Mar 17 from Billings to Boston, returning Wed, Apr 1, priced at $310 found 5 days ago
Delta
Tue, Mar 17 - Tue, Mar 31
BIL
Billings
BOS
Boston
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Mar 17 from Billings to Boston, returning Tue, Mar 31, priced at $315 found 5 days ago
Delta
Thu, Jan 15 - Tue, Jan 20
BIL
Billings
BOS
Boston
$347 Roundtrip, found 1 hour ago
$347
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Jan 15 from Billings to Boston, returning Tue, Jan 20, priced at $347 found 1 hour ago
Delta
Thu, Jan 15 - Sat, Jan 17
BIL
Billings
BOS
Boston
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Jan 15 from Billings to Boston, returning Sat, Jan 17, priced at $354 found 1 hour ago
Alaska Airlines
Wed, Mar 18 - Tue, Mar 24
BIL
Billings
BOS
Boston
$355 Roundtrip, found 5 days ago
$355
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Mar 18 from Billings to Boston, returning Tue, Mar 24, priced at $355 found 5 days ago
American Airlines
Wed, Sep 2 - Sat, Sep 5
BIL
Billings
BOS
Boston
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 2 from Billings to Boston, returning Sat, Sep 5, priced at $355 found 2 days ago
Delta
Thu, Feb 26 - Wed, Mar 18
BIL
Billings
BOS
Boston
$365 Roundtrip, found 19 hours ago
$365
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Feb 26 from Billings to Boston, returning Wed, Mar 18, priced at $365 found 19 hours ago
Delta
Thu, Mar 19 - Tue, Mar 31
BIL
Billings
BOS
Boston
$371 Roundtrip, found 5 days ago
$371
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Mar 19 from Billings to Boston, returning Tue, Mar 31, priced at $371 found 5 days ago
Hawaiian Airlines
Wed, Mar 18 - Sat, Apr 4
BIL
Billings
BOS
Boston
$374 Roundtrip, found 5 days ago
$374
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Mar 18 from Billings to Boston, returning Sat, Apr 4, priced at $374 found 5 days ago
United
Tue, Jan 13 - Sat, Jan 17
BIL
Billings
BOS
Boston
$391 Roundtrip, found 1 hour ago
$391
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jan 13 from Billings to Boston, returning Sat, Jan 17, priced at $391 found 1 hour ago

Find the cheapest month to fly from Billings (BIL) to Boston (BOS)

September is typically the cheapest month to fly

From $302 - $586 per traveler.

Alternative airports near Boston

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

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $636
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $636
Flights from Billings (BIL) to Boston (BOS)
Origin airport
Logan Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$309
Distance
1859 mi

Billings to Boston Flights

The cheapest times to fly from Billings to Boston

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

 

The best time to book a flight from Billings to Boston

Sunday is one of the best days to book for cheap flights from Billings to Boston: 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 Billings to Boston

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 Billings to Boston in 2026. You can also book with separate airlines for your outbound and return journeys, from $174 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 Billings to Boston 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 Billings to Boston 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 Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS) cost?
Secure a cheap one-way flight from $174 or cheap return flight from $310 from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS)?
March is the cheapest month to fly from BIL to BOS. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BIL to BOS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS)?
Direct flights from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIL to BOS?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from BIL to BOS?
With 100% of journeys typically arriving on schedule, Alaska Airlines has the best on-time performance for nonstop flights from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS). To monitor your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS)?
Select a flight from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS) last-minute?
Booking your ticket from BIL to BOS shortly before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BIL to BOS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIL to BOS flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Logan Intl. Airport (BOS)?
If you booked your BIL to BOS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.