$182+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Cheapest flights from Boston to BillingsExplore 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 June 23, 2026.
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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 9/96:05 am
BOS
- BIL
1 stop8h 12m
Delta
Sat 9/126:20 am
BIL
- BOS
1 stop9h 05m
Delta
Deal found 6/19![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 9/95:08 pm
BOS
- BIL
1 stop7h 45m
United Airlines
Sat 9/125:00 am
BIL
- BOS
2 stops9h 48m
United Airlines
Deal found 6/19![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 9/96:05 am
BOS
- BIL
1 stop8h 12m
Delta
Wed 9/96:33 pm
BIL
- BOS
1 stop9h 57m
Delta
Deal found 6/19![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 6/22. 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 8/2911:05 am
BOS
- BIL
1 stop8h 39m
Delta
Sat 9/56:26 am
BIL
- BOS
1 stop8h 39m
Delta
Deal found 6/22![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/18. 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 9/122:54 pm
BOS
- BIL
1 stop7h 13m
Delta
Thu 9/176:33 pm
BIL
- BOS
1 stop9h 57m
Delta
Deal found 6/18![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 6/20. 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 7/175:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/255:20 am
BIL
- BOS
1 stop9h 16m
Delta
Deal found 6/20![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 8/296:01 am
BOS
- BIL
1 stop7h 01m
United Airlines
Sat 9/55:00 am
BIL
- BOS
2 stops9h 47m
United Airlines
Deal found 6/22![United Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 9/179:33 am
BOS
- BIL
1 stop31h 29m
Alaska Airlines
Mon 9/213:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 6/22. 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 8/186:14 am
BOS
- BIL
1 stop7h 36m
American Airlines
Wed 8/2612:22 pm
BIL
- BOS
2 stops9h 37m
American Airlines
Deal found 6/22![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 6/18. 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 8/215:45 pm
BOS
- BIL
1 stop18h 22m
American Airlines
Thu 8/2712:22 pm
BIL
- BOS
1 stop19h 15m
American Airlines
Deal found 6/18![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 10/279:26 am
BOS
- BIL
2 stops13h 38m
United Airlines
Sat 10/315:00 am
BIL
- BOS
1 stop6h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$454
Best flights from Boston to BillingsDiscover carefully curated flight deals from Boston to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Boston to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/20. 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 7/175:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/255:20 am
BIL
- BOS
1 stop9h 16m
Delta
Deal found 6/20![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 10/279:26 am
BOS
- BIL
2 stops13h 38m
United Airlines
Sat 10/315:00 am
BIL
- BOS
1 stop6h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 10/279:00 am
BOS
- BIL
1 stop11h 52m
Alaska Airlines
Sat 10/316:01 am
BIL
- BOS
1 stop9h 34m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 9/179:33 am
BOS
- BIL
1 stop31h 29m
Alaska Airlines
Mon 9/216:14 am
BIL
- BOS
2 stops21h 55m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 6/18. 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 7/105:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/186:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/18![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 9/123:13 pm
BOS
- BIL
2 stops9h 40m
United Airlines
Thu 9/174:07 pm
BIL
- BOS
2 stops15h 26m
United Airlines
Deal found 6/21![United Airlines logo]()
$574
This Delta deal was found by Cheapflights users on 6/19. 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 7/35:50 pm
BOS
- BIL
1 stop7h 45m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/19![Delta logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 9/125:42 pm
BOS
- BIL
2 stops31h 47m
Alaska Airlines
Thu 9/173:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$561
Last-minute flights from Boston to BillingsDiscover last-minute flight deals from Boston to Billings. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Billings. Data last updated June 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/20. 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 6/235:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Fri 6/266:24 am
BIL
- BOS
1 stop8h 21m
Delta
Deal found 6/20![Delta logo]()
$512
This Delta deal was found by Cheapflights users on 6/22. 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.
Wed 6/245:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Mon 6/296:24 am
BIL
- BOS
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 6/19. 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 6/2511:15 am
BOS
- BIL
1 stop8h 45m
Delta
Wed 7/16:24 am
BIL
- BOS
1 stop8h 21m
Delta
Deal found 6/19![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/23. 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.
Fri 6/265:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Mon 6/296:24 am
BIL
- BOS
1 stop5h 26m
Delta
Deal found 6/23![Delta logo]()
$521
This Delta deal was found by Cheapflights users on 6/20. 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 6/265:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Sun 6/286:24 am
BIL
- BOS
1 stop8h 21m
Delta
Deal found 6/20![Delta logo]()
$553
This Delta deal was found by Cheapflights users on 6/19. 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 7/35:50 pm
BOS
- BIL
1 stop7h 45m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/19![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/47:45 am
BOS
- BIL
1 stop7h 37m
United Airlines
Sat 7/115:00 am
BIL
- BOS
2 stops10h 24m
United Airlines
Deal found 6/20![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 6/19. 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 7/105:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/186:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/19![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 6/19. 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 7/1111:15 am
BOS
- BIL
1 stop8h 37m
Delta
Sat 7/186:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/19![Delta logo]()
$556
This Delta deal was found by Cheapflights users on 6/20. 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 7/175:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/255:20 am
BIL
- BOS
1 stop9h 16m
Delta
Deal found 6/20![Delta logo]()
$411
One-way flights from Boston to BillingsSearch for one-way flight options from Boston to Billings. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Boston to Billings. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This American Airlines deal was found by Cheapflights users on 6/22. 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 9/187:00 am
BOS
- BIL
1 stop6h 57m
American Airlines
Deal found 6/22![American Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/97:45 am
BOS
- BIL
1 stop9h 44m
United Airlines
Deal found 6/21![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 9/189:33 am
BOS
- BIL
2 stops13h 27m
United Airlines
Deal found 6/22![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 6/18. 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 7/285:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Deal found 6/18![Delta logo]()
$280
This Priceline deal was found by Cheapflights users on 6/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:37 am
BOS
- BIL
3 stops34h 29m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 6/22. 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 7/252:52 pm
BOS
- BIL
1 stop7h 07m
Delta
Deal found 6/22![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 6/22. 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 6/3011:15 am
BOS
- BIL
1 stop8h 45m
Delta
Deal found 6/22![Delta logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 8/1512:27 pm
BOS
- BIL
2 stops12h 24m
United Airlines
Deal found 6/21![United Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 7/256:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$400
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $219 (United Airlines) |
Popular in | December |
Cheapest in | March |
Average price | $730 |
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 June 23, 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
Cheapest round-trip
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 7/17
5:55 pm-11:30 pm
1 stop7h 35m
Billings Logan Intl
Sat 7/25
5:20 am-4:36 pm
1 stop9h 16m
$411
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 10/27
9:26 am-9:04 pm
2 stops13h 38m
Billings Logan Intl
Sat 10/31
5:00 am-1:44 pm
1 stop6h 44m
$454
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 10/27
9:00 am-6:52 pm
1 stop11h 52m
Billings Logan Intl
Sat 10/31
6:01 am-5:35 pm
1 stop9h 34m
$474
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 9/17
9:33 am-3:02 pm
1 stop31h 29m
Billings Logan Intl
Mon 9/21
6:14 am-6:09 am
2 stops21h 55m
$476
Quickest round-trip
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 7/10
5:55 pm-11:30 pm
1 stop7h 35m
Billings Logan Intl
Sat 7/18
6:24 am-1:51 pm
1 stop5h 27m
$494
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 7/3
5:50 pm-11:35 pm
1 stop7h 45m
Billings Logan Intl
Sat 7/11
6:24 am-1:51 pm
1 stop5h 27m
$529
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Sat 9/12
5:42 pm-11:29 pm
2 stops31h 47m
Billings Logan Intl
Thu 9/17
3:42 pm-6:09 am
1 stop12h 27m
$561
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Sat 9/12
3:13 pm-10:53 pm
2 stops9h 40m
Billings Logan Intl
Thu 9/17
4:07 pm-9:33 am
2 stops15h 26m
$574
Cheapest one-way
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 7/9
7:45 am-3:29 pm
1 stop9h 44m
$219
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 7/28
5:55 pm-11:30 pm
1 stop7h 35m
$280
Showing 1-10 of 14 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
BOS-BIL
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
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 $419). Flying from Boston to Billings in December is currently the most expensive (average of $784). 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 June 23, 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.
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Top 3 airlines flying from Boston to Billings
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$559 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$398 | Average$515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$412 | Average$535 | FlexibilityNo cancel fee | On-time69% |