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$197+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Billings Logan Intl are usually found in January or April, booked 54 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 August 16, 2025.

Round-trip from

$355
(American Airlines)

One-way from

$197
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$516
From Boston Logan Intl to Billings Logan Intl
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One-way flight from Boston Logan Intl to Billings Logan Intl
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Highest demand for flights based on searches. 8% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 16, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/237:00 amBOS - BIL
1 stop17h 39mAmerican Airlines
Sat 9/276:00 amBIL - BOS
1 stop13h 00mAmerican Airlines
Deal found 8/14$355
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/512:40 pmBOS - BIL
1 stop11h 59mAmerican Airlines
Sun 9/1412:19 pmBIL - BOS
1 stop6h 44mAmerican Airlines
Deal found 8/15$377
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/112:38 pmBOS - BIL
1 stop9h 11mAmerican Airlines
Thu 9/1812:19 pmBIL - BOS
2 stops8h 31mAmerican Airlines
Deal found 8/14$406
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 11/209:00 amBOS - BIL
1 stop11h 39mAlaska Airlines
Sun 11/233:37 pmBIL - BOS
1 stop12h 14mAlaska Airlines
Deal found 8/15$409
This American Airlines deal was found by Cheapflights users on 8/15. 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 10/185:30 amBOS - BIL
1 stop9h 52mAmerican Airlines
Sat 11/11:17 pmBIL - BOS
1 stop19h 12mAmerican Airlines
Deal found 8/15$417
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/1211:28 amBOS - BIL
1 stop13h 11mAmerican Airlines
Sun 9/216:00 amBIL - BOS
1 stop8h 46mAmerican Airlines
Deal found 8/13$447

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 August 16, 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

Tue 9/30

7:00 am-10:39 pm

1 stop17h 39m

Billings Logan Intl

Sat 10/4

12:19 pm-11:53 pm

1 stop9h 34m

$355

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 9/23

7:00 am-10:39 pm

1 stop17h 39m

Billings Logan Intl

Sat 9/27

6:00 am-9:00 pm

1 stop13h 00m

$355

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Fri 9/5

12:40 pm-10:39 pm

1 stop11h 59m

Billings Logan Intl

Sun 9/14

12:19 pm-9:03 pm

1 stop6h 44m

$377

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 9/11

2:38 pm-9:49 pm

1 stop9h 11m

Billings Logan Intl

Thu 9/18

12:19 pm-10:50 pm

2 stops8h 31m

$406

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 11/20

9:00 am-6:39 pm

1 stop11h 39m

Billings Logan Intl

Sun 11/23

3:37 pm-5:51 am

1 stop12h 14m

$409

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/15

3:05 pm-10:50 pm

1 stop9h 45m

Billings Logan Intl

Sun 1/18

6:15 am-1:55 pm

1 stop5h 40m

$410

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Sat 10/18

6:57 am-11:50 am

1 stop6h 53m

Billings Logan Intl

Sat 11/1

1:17 pm-10:29 am

1 stop19h 12m

$417

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Mon 11/17

6:23 pm-6:39 pm

1 stop26h 16m

$197

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Mon 9/15

5:00 am-11:49 am

1 stop8h 49m

$201

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Mon 11/17

1:30 pm-10:49 pm

2 stops11h 19m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 16 results
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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 August 8, 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, January is the cheapest month in which you can book a flight from Boston to Billings (average of $393). Flying from Boston to Billings in June is currently the most expensive (average of $511). 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 August 16, 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 morning, which can drop the price by up to 4% 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 August 16, 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
8.0
Very good
7,985 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $302 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $387 and $449 round-trip. You may be able to fly from Boston to Billings for 48% 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $197. American Airlines flights start at $201 while deals on United Airlines start at $206 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, January is the cheapest month in which you can book a flight from Boston to Billings (average of $393). Flying from Boston to Billings in June is currently the most expensive (average of $511). 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$302Average$610FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$387Average$571FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$449Average$632FlexibilityNo cancel feeOn-time69%

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