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$421+ Cheap flights from Boston to Billings (BOS - BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Billings Logan Intl are usually found in January or March, booked 54 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 12/166:24 pmBOS - BIL
1 stop7h 24mDelta
Wed 12/175:14 amBIL - BOS
1 stop8h 59mDelta
Deal found 12/10$656
This Delta deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:46 pmBOS - BIL
1 stop7h 37mDelta
Sun 12/216:25 amBIL - BOS
1 stop8h 46mDelta
Deal found 12/10$706
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/1410:06 amBOS - BIL
2 stops13h 09mAmerican Airlines
Sun 12/216:00 amBIL - BOS
2 stops11h 18mAmerican Airlines
Deal found 12/10$716
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/129:00 amBOS - BIL
1 stop17h 08mAlaska Airlines
Mon 12/156:00 amBIL - BOS
1 stop9h 20mAlaska Airlines
Deal found 12/10$730
This Delta deal was found by Cheapflights users on 12/11. 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 12/135:15 pmBOS - BIL
1 stop8h 11mDelta
Tue 12/166:25 amBIL - BOS
1 stop5h 25mDelta
Deal found 12/11$731
This Delta deal was found by Cheapflights users on 12/10. 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 12/121:40 pmBOS - BIL
2 stops12h 43mDelta
Mon 12/1511:47 amBIL - BOS
1 stop9h 54mDelta
Deal found 12/10$736
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:45 amBOS - BIL
3 stops29h 39mMultiple Airlines
Mon 1/510:14 amBIL - BOS
3 stops23h 20mMultiple Airlines
Deal found 12/9$832

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Delta)

Popular in

December

Cheapest in

January

Average price

$948
Provider with most accurate pricing for Boston Logan Intl-Billings Logan Intl flight deals.
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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
Highest demand for flights based on searches. 12% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from Boston to Billings that are best for you.

Fly from

Boston

Fly to

Billings

Route

Depart

Return

Price

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 1/7

3:05 pm-7:25 pm

1 stop6h 20m

Billings Logan Intl

Wed 1/14

6:22 am-2:05 pm

1 stop5h 43m

$421

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 1/7

3:15 pm-9:23 pm

1 stop8h 08m

Billings Logan Intl

Wed 1/14

2:45 pm-11:46 pm

1 stop7h 01m

$421

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-2:55 pm

1 stop9h 55m

Billings Logan Intl

Mon 1/12

3:35 pm-11:54 pm

2 stops30h 19m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Billings flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

The best time to book flights from Boston to Billings is 52 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, February is the cheapest month in which you can book a flight from Boston to Billings (average of $219). Flying from Boston to Billings in July is currently the most expensive (average of $456). 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.

What is the cheapest time of day to fly from BOS to BIL?

Find hourly flight availability from Boston to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Boston to Billings, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at noon.

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 December 12, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

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
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

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 $421, Delta can have you in Billings from Boston in 6h 20m. The distance between Boston and Billings is about 1859 mi. This flight may include one or multiple stops.

  • 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 $229 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $395 and $446 round-trip. You may be able to fly from Boston to Billings for 59% 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 Delta, which is currently one of the cheapest options available, starting at $168. American Airlines flights start at $200 while deals on United Airlines start at $202 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, February is the cheapest month in which you can book a flight from Boston to Billings (average of $219). Flying from Boston to Billings in July is currently the most expensive (average of $456). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$261Average$468FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$395Average$541FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$446Average$558FlexibilityNo cancel feeOn-time69%

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