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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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$375
(American Airlines)

One-way from

$197
(Delta)

Popular in

December

Cheapest in

January

Average price

$592
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 September 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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 9/3012:40 pmBOS - BIL
1 stop11h 59mAmerican Airlines
Sat 10/46:00 amBIL - BOS
1 stop14h 40mAmerican Airlines
Deal found 9/14$375
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/145:24 amBOS - BIL
1 stop8h 26mAmerican Airlines
Wed 10/2212:20 pmBIL - BOS
1 stop9h 34mAmerican Airlines
Deal found 9/14$378
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 9/2712:52 pmBOS - BIL
1 stop11h 47mAmerican Airlines
Tue 9/306:02 amBIL - BOS
1 stop14h 38mAmerican Airlines
Deal found 9/13$385
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/245:24 amBOS - BIL
1 stop8h 26mAmerican Airlines
Mon 10/2712:20 pmBIL - BOS
1 stop9h 34mAmerican Airlines
Deal found 9/15$387
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amBOS - BIL
1 stop7h 16mUnited Airlines
Mon 10/202:30 pmBIL - BOS
1 stop7h 14mUnited Airlines
Deal found 9/15$421
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:59 pmBOS - BIL
2 stops10h 50mDelta
Sun 11/236:25 amBIL - BOS
1 stop8h 44mDelta
Deal found 9/15$435
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/186:57 amBOS - BIL
1 stop6h 53mAmerican Airlines
Sat 11/11:17 pmBIL - BOS
1 stop8h 37mAmerican Airlines
Deal found 9/14$439

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 September 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

12:40 pm-10:39 pm

1 stop11h 59m

Billings Logan Intl

Sat 10/4

6:00 am-10:40 pm

1 stop14h 40m

$375

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 10/14

5:24 am-11:50 am

1 stop8h 26m

Billings Logan Intl

Wed 10/22

12:20 pm-11:54 pm

1 stop9h 34m

$378

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 10/15

6:57 am-11:50 am

1 stop6h 53m

Billings Logan Intl

Wed 10/22

12:20 pm-11:54 pm

1 stop9h 34m

$378

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Sat 9/27

12:52 pm-10:39 pm

1 stop11h 47m

Billings Logan Intl

Tue 9/30

6:02 am-10:40 pm

1 stop14h 38m

$385

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Fri 10/24

5:24 am-11:50 am

1 stop8h 26m

Billings Logan Intl

Mon 10/27

12:20 pm-11:54 pm

1 stop9h 34m

$387

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/1

6:00 am-2:47 pm

1 stop10h 47m

Billings Logan Intl

Wed 1/7

7:40 am-11:59 pm

1 stop14h 19m

$420

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 10/16

6:00 am-11:16 am

1 stop7h 16m

Billings Logan Intl

Mon 10/20

2:30 pm-11:44 pm

1 stop7h 14m

$421

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/1

12:14 pm-10:54 pm

2 stops12h 40m

Billings Logan Intl

Wed 1/7

5:08 am-4:31 pm

1 stop9h 23m

$426

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 11/18

11:10 am-11:49 pm

2 stops14h 39m

$197

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Tue 11/18

7:00 am-3:00 pm

1 stop10h 00m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 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 September 12, 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 $395). Flying from Boston to Billings in June is currently the most expensive (average of $509). 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 September 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 September 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
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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.

  • How long is the flight from Boston to Billings?

    For as low as $375, American Airlines can have you in Billings from Boston in 11h 59m. 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 $302 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $387 and $446 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 Delta, which is currently one of the cheapest options available, starting at $197. Hawaiian Airlines flights start at $201 while deals on Alaska Airlines start at $312 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 $395). Flying from Boston to Billings in June is currently the most expensive (average of $509). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$302Average$581FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$387Average$564FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$446Average$626FlexibilityNo cancel feeOn-time69%

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