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$190+ Cheap flights from Boston to Billings (BOS - BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap flight deals from Boston to Billings

Cheapest flights from Boston to Billings
Explore the most affordable flight options available from Boston to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:02 pm
BOS
-
BIL
1 stop10h 41m
American Airlines
Tue 5/56:00 am
BIL
-
BOS
1 stop9h 04m
American Airlines
Deal found 3/25$349
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:10 pm
BOS
-
BIL
2 stops9h 14m
Delta
Tue 5/55:20 am
BIL
-
BOS
2 stops9h 44m
Delta
Deal found 3/26$359
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 pm
BOS
-
BIL
1 stop6h 37m
Delta
Sat 10/106:25 pm
BIL
-
BOS
1 stop9h 46m
Delta
Deal found 3/23$374
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:34 am
BOS
-
BIL
2 stops13h 09m
American Airlines
Wed 4/296:00 am
BIL
-
BOS
1 stop7h 30m
American Airlines
Deal found 3/26$379
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:10 pm
BOS
-
BIL
1 stop6h 56m
Delta
Fri 5/16:18 pm
BIL
-
BOS
1 stop9h 42m
Delta
Deal found 3/25$382
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:00 pm
BOS
-
BIL
1 stop7h 15m
United Airlines
Wed 5/272:25 pm
BIL
-
BOS
2 stops8h 34m
United Airlines
Deal found 3/24$384
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:30 pm
BOS
-
BIL
2 stops10h 07m
Delta
Sun 9/66:25 pm
BIL
-
BOS
1 stop9h 44m
Delta
Deal found 3/26$387
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:10 pm
BOS
-
BIL
1 stop7h 09m
Delta
Wed 4/156:24 am
BIL
-
BOS
1 stop5h 35m
Delta
Deal found 3/25$391
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:53 pm
BOS
-
BIL
1 stop6h 29m
American Airlines
Wed 9/167:16 am
BIL
-
BOS
1 stop12h 49m
American Airlines
Deal found 3/24$397
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 am
BOS
-
BIL
1 stop28h 53m
Alaska Airlines
Tue 9/227:17 pm
BIL
-
BOS
1 stop10h 45m
Alaska Airlines
Deal found 3/26$399

Find flight deals from Boston to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$190
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$419
Provider with most accurate pricing for Boston Logan Intl-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Billings Logan Intl flights.
Search Deals
From Boston Logan Intl to Billings Logan Intl
Search Deals
One-way flight from Boston Logan Intl to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Billings that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Boston to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 5/12

2:33 pm-11:14 pm

2 stops10h 41m

Billings Logan Intl

Tue 5/19

6:19 pm-6:20 am

1 stop10h 01m

$354

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Sat 5/2

1:06 pm-10:24 pm

2 stops11h 18m

Billings Logan Intl

Tue 5/5

11:33 am-1:15 am

2 stops11h 42m

$359
Quickest round-trip

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 4/7

3:10 pm-8:19 pm

1 stop7h 09m

Billings Logan Intl

Wed 4/15

5:20 am-5:04 pm

2 stops9h 44m

$396

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 5/7

2:33 pm-11:14 pm

2 stops10h 41m

Billings Logan Intl

Sun 5/10

6:19 pm-6:20 am

1 stop10h 01m

$419

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Sun 5/24

5:45 am-5:19 pm

2 stops13h 34m

Billings Logan Intl

Wed 5/27

2:25 pm-12:59 am

2 stops8h 34m

$489

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 4/7

9:55 am-10:29 pm

2 stops14h 34m

Billings Logan Intl

Tue 4/14

5:20 am-8:15 pm

2 stops12h 55m

$499

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Mon 4/13

7:15 am-11:58 pm

1 stop18h 43m

Billings Logan Intl

Sun 4/19

7:56 am-5:53 am

2 stops19h 57m

$511
Cheapest one-way
Quickest one-way

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 5/28

3:10 pm-9:17 pm

1 stop8h 07m

$190

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 5/28

2:33 pm-11:14 pm

2 stops10h 41m

$195

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 5/26

5:05 am-12:12 pm

1 stop9h 07m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Boston to Billings

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Billings in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Billings flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Billings

How far ahead should I book a flight from Boston to Billings?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Billings. Price data was last updated on March 13, 2026.

The best time to book flights from Boston to Billings is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Billings?

Currently, March is the cheapest month in which you can book a flight from Boston to Billings (average of $205). Flying from Boston to Billings in February is currently the most expensive (average of $709). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Boston to Billings?

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billings. Reviews last updated March 28, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Boston to Billings have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,356 reviews

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,356 reviews
Delta
7.9
Good
8,356 reviews

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,499 reviews
Delta
7.9
Good
8,356 reviews

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,356 reviews

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Billings?

    For as low as $354, Delta can have you in Billings from Boston in 10h 41m. The distance between Boston and Billings is about 1859 mi.

  • What are the cheapest airlines flying from Boston to Billings round-trip?

    Our cheapest airline available from Boston to Billings is Delta. Our recent data shows that you can find tickets from as low as $344 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $353 and $412 round-trip. You may be able to fly from Boston to Billings for 39% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Billings one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $200. Delta flights start at $210 while deals on United Airlines start at $254 one-way.

  • Can I find deals for flights from Boston to Billings that include hotel bookings?

    Yes. In addition to deals on Boston to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Billings.

  • Can I find deals for business class flights from Boston to Billings?

    Yes. Cheapflights offers flight deals from Boston to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Billings?

    Currently, March is the cheapest month in which you can book a flight from Boston to Billings (average of $205). Flying from Boston to Billings in February is currently the most expensive (average of $709). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boston to Billings

Discover the top 3 airlines that operate flights from Boston to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$353Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$412Average$531FlexibilityNo cancel feeOn-time69%

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