$210+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIL
Nov 19 — Nov 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Billings with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Billings
Cheapest
Best
Last-minute
One-way
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 October 20, 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 October 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/139:03 am -
1 stop9h 29m
Fri 11/2012:01 pm -
1 stop9h 58m
Deal found 10/16![Alaska Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:45 pm -
1 stop7h 45m
Tue 11/310:30 am -
1 stop9h 03m
Deal found 10/14![United Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/147:13 am -
1 stop11h 19m
Sat 11/2112:01 pm -
1 stop9h 58m
Deal found 10/16![Alaska Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 10/19. 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 10/233:15 pm -
1 stop7h 00m
Wed 10/285:20 am -
1 stop9h 18m
Deal found 10/19![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 10/237:45 am -
1 stop7h 30m
Wed 10/285:00 am -
2 stops8h 36m
Deal found 10/19![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:50 am -
2 stops13h 22m
Wed 10/286:00 am -
2 stops12h 49m
Deal found 10/19![American Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/161:29 pm -
2 stops11h 01m
Mon 11/232:42 pm -
1 stop7h 08m
Deal found 10/19![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:30 am -
1 stop9h 46m
Mon 10/262:42 pm -
1 stop7h 08m
Deal found 10/18![United Airlines logo]()
$563
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 October 20, 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 October 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/139:03 am -
1 stop9h 29m
Fri 11/2012:01 pm -
1 stop9h 58m
Deal found 10/16![Alaska Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/23:19 pm -
1 stop8h 00m
Wed 3/32:42 pm -
1 stop7h 00m
Deal found 10/18![United Airlines logo]()
$525
Last-minute flights from Boston to BillingsDiscover last-minute flight deals from Boston to Billings. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Billings. Data last updated October 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/19. 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 10/233:15 pm -
1 stop7h 00m
Wed 10/285:20 am -
1 stop9h 18m
Deal found 10/19![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 10/237:45 am -
1 stop7h 30m
Wed 10/285:00 am -
2 stops8h 36m
Deal found 10/19![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:50 am -
2 stops13h 22m
Wed 10/286:00 am -
2 stops12h 49m
Deal found 10/19![American Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/33:05 pm -
1 stop9h 25m
Sat 11/75:00 am -
1 stop6h 42m
Deal found 10/20![United Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:09 am -
2 stops14h 31m
Sat 11/77:00 am -
2 stops11h 58m
Deal found 10/20![American Airlines logo]()
$504
This Priceline deal was found by Cheapflights users on 10/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:13 am -
1 stop11h 19m
Fri 11/65:12 pm -
1 stop10h 28m
Deal found 10/20![Alaska Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/43:01 pm -
2 stops9h 29m
Fri 11/62:42 pm -
1 stop7h 08m
Deal found 10/20![United Airlines logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/139:03 am -
1 stop9h 29m
Fri 11/2012:01 pm -
1 stop9h 58m
Deal found 10/16![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/147:13 am -
1 stop11h 19m
Sat 11/2112:01 pm -
1 stop9h 58m
Deal found 10/16![Alaska Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/161:29 pm -
2 stops11h 01m
Mon 11/232:42 pm -
1 stop7h 08m
Deal found 10/19![United Airlines logo]()
$544
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 October 20, 2026.
Search for one-way flight options from Boston to Billings. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Delta deal was found by Cheapflights users on 10/18. 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 3/196:00 am -
1 stop8h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$210
This Delta deal was found by Cheapflights users on 10/16. 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.
Mon 1/183:00 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$230
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 1/1810:35 am -
2 stops12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:15 am -
1 stop8h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/246:00 am -
1 stop10h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 10/19. 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.
Tue 11/246:05 am -
1 stop8h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/2410:25 am -
2 stops12h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/198:15 am -
2 stops14h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$452
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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (Delta) |
One-way from | $210 (Delta) |
Popular in | June |
Cheapest in | March |
Average price | $480 |
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 7,457,451 searches. Data last updated October 20, 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 Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Tue 11/24
6:00 am-2:53 pm
1 stop10h 53m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$348
Quickest round-trip
BostonBillings
BOS Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Tue 11/24
6:05 am-12:18 pm
1 stop8h 13m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$410
BostonBillings
BOS Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Tue 11/24
9:12 am-9:14 pm
2 stops14h 02m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$415
BostonBillings
BOS Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Fri 11/13
9:03 am-4:32 pm
1 stop9h 29m
Billings Logan Intl
Fri 11/20
12:01 pm-11:59 pm
1 stop9h 58m
$459
BostonBillings
BOS Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Sun 10/25
6:00 am-1:29 pm
2 stops9h 29m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$469
BostonBillings
BOS Boston Logan Intl - BIL Billings Logan Intl
BOSBIL
Boston Logan Intl
Tue 3/2
3:19 pm-9:19 pm
1 stop8h 00m
Billings Logan Intl
Wed 3/3
2:42 pm-11:42 pm
1 stop7h 00m
$525
Sorted 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 October.
| 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 June is currently the most expensive (average of $717). 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?
Airfare is below average for this route at the moment.
Boston to Billings flights typically cost between $428 and $688 in January.The cheapest round-trip price found within the last 5 days was $412 on Delta (Jan 26-Jan 28).
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 October 20, 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
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Billings flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
Alternative routes for Boston to Billings
See prices for flight routes from nearby airports that may be better suited for you.
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 October 20, 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 October 20, 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 October 20, 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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$344 | Average$515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$610 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$378 | Average$566 | FlexibilityNo cancel fee | On-time69% |