$175+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Jul 5 — Jul 121
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 5, 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 5, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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 9/176:05 am
BOS
- BIL
1 stop8h 12m
Delta
Mon 9/2112:57 pm
BIL
- BOS
1 stop8h 56m
Delta
Deal found 6/1![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. 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 9/176:05 am
BOS
- BIL
1 stop8h 12m
Delta
Sun 9/206:33 pm
BIL
- BOS
1 stop9h 57m
Delta
Deal found 6/4![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 6/2. 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 stop8h 26m
Delta
Deal found 6/2![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/2. 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 8/1112:40 pm
BOS
- BIL
2 stops12h 50m
Delta
Wed 8/196:33 pm
BIL
- BOS
1 stop9h 57m
Delta
Deal found 6/2![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 6/2. 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 8/1210:00 am
BOS
- BIL
2 stops15h 30m
Delta
Tue 8/186:33 pm
BIL
- BOS
1 stop9h 57m
Delta
Deal found 6/2![Delta logo]()
$421
This Delta deal was found by Cheapflights users on 6/1. 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 6/165:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Sat 6/206:24 am
BIL
- BOS
1 stop5h 31m
Delta
Deal found 6/1![Delta logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 8/106:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Fri 8/216:21 pm
BIL
- BOS
1 stop9h 48m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/2812:30 pm
BOS
- BIL
2 stops12h 11m
United Airlines
Sat 10/312:40 pm
BIL
- BOS
1 stop7h 02m
United Airlines
Deal found 6/4![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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 8/273:31 pm
BOS
- BIL
1 stop9h 58m
Alaska Airlines
Sun 8/303:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 6/4. 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 7/1811:50 am
BIL
- BOS
1 stop10h 02m
Delta
Deal found 6/4![Delta logo]()
$474
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 5, 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 5, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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 stop8h 26m
Delta
Deal found 6/1![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 7/136:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Tue 7/1411:45 am
BIL
- BOS
1 stop10h 14m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 6/1. 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 6/165:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Sat 6/206:24 am
BIL
- BOS
1 stop5h 31m
Delta
Deal found 6/1![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 6/3. 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 7/95:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Tue 7/146:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/3![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 7/176:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Fri 7/2411:45 am
BIL
- BOS
2 stops15h 55m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 6/4. 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 9/103:05 pm
BOS
- BIL
1 stop6h 32m
Delta
Fri 9/116:25 pm
BIL
- BOS
1 stop9h 44m
Delta
Deal found 6/4![Delta logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 8/176:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Mon 8/177:22 pm
BIL
- BOS
1 stop10h 18m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 7/96:03 am
BOS
- BIL
2 stops19h 48m
Alaska Airlines
Tue 7/141:45 pm
BIL
- BOS
1 stop8h 14m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 6/5. 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 7/215:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/255:20 am
BIL
- BOS
1 stop9h 16m
Delta
Deal found 6/5![Delta logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 10/86:37 pm
BOS
- BIL
2 stops22h 27m
Alaska Airlines
Mon 10/127:32 pm
BIL
- BOS
1 stop9h 57m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$591
Last-minute flights from Boston to BillingsDiscover last-minute flight deals from Boston to Billings. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Billings. Data last updated June 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/1. 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 6/165:50 pm
BOS
- BIL
1 stop7h 42m
Delta
Sat 6/206:24 am
BIL
- BOS
1 stop5h 31m
Delta
Deal found 6/1![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 6/2. 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 stop8h 26m
Delta
Deal found 6/2![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/1. 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
Wed 7/86:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/1![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 7/76:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Wed 7/87:22 pm
BIL
- BOS
1 stop10h 18m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 6/2. 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 7/75:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Tue 7/146:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/2![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 6/2. 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 7/79:15 am
BOS
- BIL
2 stops15h 35m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop8h 26m
Delta
Deal found 6/2![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 6/3. 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 7/95:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop8h 26m
Delta
Deal found 6/3![Delta logo]()
$485
This Delta deal was found by Cheapflights users on 6/3. 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 7/95:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Tue 7/146:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/3![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 6/4. 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 7/1811:50 am
BIL
- BOS
1 stop10h 02m
Delta
Deal found 6/4![Delta logo]()
$474
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 5, 2026.
Search for one-way flight options from Boston to Billings. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/1610:03 am
BOS
- BIL
1 stop10h 46m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 7/146:03 am
BOS
- BIL
1 stop11h 00m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$225
This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:59 pm
BOS
- BIL
1 stop16h 21m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 6/2. 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 9/176:05 am
BOS
- BIL
1 stop8h 12m
Delta
Deal found 6/2![Delta logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Thu 7/1612:06 pm
BOS
- BIL
2 stops23h 08m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sun 7/1212:06 pm
BOS
- BIL
2 stops23h 03m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$264
This Delta deal was found by Cheapflights users on 6/4. 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 9/1612:45 pm
BOS
- BIL
2 stops12h 26m
Delta
Deal found 6/4![Delta logo]()
$270
This Delta deal was found by Cheapflights users on 6/3. 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 7/155:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Deal found 6/3![Delta logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 6/2![Alaska Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/188:37 am
BOS
- BIL
3 stops34h 29m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/1911:00 am
BOS
- BIL
2 stops12h 00m
United Airlines
Deal found 6/1![United Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 9/175:42 pm
BOS
- BIL
2 stops31h 47m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$323
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $175 (Alaska Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $633 |
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 5, 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 7/3
5:50 pm-11:35 pm
1 stop7h 45m
Billings Logan Intl
Sat 7/11
6:24 am-4:50 pm
1 stop8h 26m
$384
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 6/16
5:50 pm-11:32 pm
1 stop7h 42m
Billings Logan Intl
Sat 6/20
6:24 am-1:55 pm
1 stop5h 31m
$439
Quickest round-trip
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 7/9
5:55 pm-11:30 pm
1 stop7h 35m
Billings Logan Intl
Tue 7/14
6:24 am-1:51 pm
1 stop5h 27m
$489
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 9/10
3:05 pm-7:37 pm
1 stop6h 32m
Billings Logan Intl
Fri 9/11
6:25 pm-6:09 am
1 stop9h 44m
$511
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Mon 7/13
6:03 am-3:03 pm
1 stop11h 00m
Billings Logan Intl
Tue 7/14
11:45 am-11:59 pm
1 stop10h 14m
$512
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 7/21
5:55 pm-11:30 pm
1 stop7h 35m
Billings Logan Intl
Sat 7/25
5:20 am-4:36 pm
1 stop9h 16m
$539
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 7/17
6:03 am-3:03 pm
1 stop11h 00m
Billings Logan Intl
Fri 7/24
11:45 am-5:40 am
2 stops15h 55m
$561
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Mon 8/17
6:03 am-3:03 pm
1 stop11h 00m
Billings Logan Intl
Mon 8/17
7:22 pm-7:40 am
1 stop10h 18m
$575
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 7/9
6:03 am-11:51 pm
2 stops19h 48m
Billings Logan Intl
Tue 7/14
1:45 pm-11:59 pm
1 stop8h 14m
$576
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 10/8
6:37 pm-3:04 pm
2 stops22h 27m
Billings Logan Intl
Mon 10/12
7:32 pm-7:29 am
1 stop9h 57m
$591
Showing 1-10 of 18 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 $430). 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 June 5, 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.
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Alternative routes for Boston to Billings
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Billings by cabin class
Find flights from Boston to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Billings flights
Browse other Boston and Billings flight options. Last updated on June 5, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$559 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$412 | Average$545 | FlexibilityNo cancel fee | On-time69% |