$200+ Cheap flights from Billings to Boston (BIL - BOS)
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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOS
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Billings to Boston 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 Billings to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Billings to BostonExplore the most affordable flight options available from Billings to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Billings to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:21 pm -
1 stop7h 29m
Tue 10/275:17 am -
1 stop9h 34m
Deal found 9/5![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/211:21 pm -
1 stop7h 29m
Tue 10/275:17 am -
1 stop9h 34m
Deal found 9/8![American Airlines logo]()
$385
This Orbitz deal was found by Cheapflights users on 9/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:32 pm -
1 stop13h 48m
Sun 12/67:08 am -
1 stop10h 00m
Deal found 9/9![Alaska Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:34 pm -
1 stop8h 18m
Tue 12/222:19 pm -
1 stop8h 40m
Deal found 9/8![American Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 9/5. 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 12/11:00 pm -
1 stop9h 14m
Mon 1/46:00 am -
1 stop8h 19m
Deal found 9/5![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 9/8. 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 9/196:33 pm -
1 stop9h 57m
Fri 10/26:05 am -
1 stop8h 12m
Deal found 9/8![Delta logo]()
$442
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:13 pm -
1 stop8h 21m
Tue 10/66:28 am -
1 stop8h 23m
Deal found 9/5![American Airlines logo]()
$453
Best flights from Billings to BostonDiscover carefully curated flight deals from Billings to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Billings to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/201:21 pm -
1 stop7h 29m
Tue 10/275:17 am -
1 stop9h 34m
Deal found 9/6![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/9. 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 10/206:29 pm -
1 stop9h 56m
Tue 10/273:15 pm -
1 stop7h 00m
Deal found 9/9![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/4. 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 1/272:42 pm -
1 stop7h 13m
Sat 1/309:30 am -
2 stops13h 49m
Deal found 9/4![United Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:13 pm -
1 stop8h 21m
Tue 10/66:28 am -
1 stop8h 23m
Deal found 9/5![American Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/65:57 pm -
2 stops14h 35m
Tue 10/209:23 am -
2 stops13h 47m
Deal found 9/8![United Airlines logo]()
$542
Last-minute flights from Billings to BostonDiscover last-minute flight deals from Billings to Boston. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Boston. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:13 pm -
1 stop8h 21m
Tue 9/156:02 am -
1 stop8h 41m
Deal found 9/5![American Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 9/8. 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 9/196:33 pm -
1 stop9h 57m
Fri 10/26:05 am -
1 stop8h 12m
Deal found 9/8![Delta logo]()
$442
This Delta deal was found by Cheapflights users on 9/8. 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 9/196:33 pm -
1 stop9h 57m
Sat 9/266:05 am -
1 stop8h 12m
Deal found 9/8![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 9/8. 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 9/216:33 pm -
1 stop9h 57m
Fri 10/26:05 am -
1 stop8h 12m
Deal found 9/8![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/212:29 pm -
1 stop7h 25m
Tue 9/293:13 pm -
2 stops9h 38m
Deal found 9/8![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:13 pm -
1 stop8h 21m
Tue 10/66:28 am -
1 stop8h 23m
Deal found 9/5![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:21 pm -
1 stop7h 29m
Tue 10/275:17 am -
1 stop9h 34m
Deal found 9/5![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/211:21 pm -
1 stop7h 29m
Tue 10/275:17 am -
1 stop9h 34m
Deal found 9/8![American Airlines logo]()
$385
One-way flights from Billings to BostonSearch for one-way flight options from Billings to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Billings to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 10/126:29 pm -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$200
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/152:29 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:57 pm -
2 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$255
This Priceline deal was found by Cheapflights users on 9/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:05 pm -
1 stop9h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/6. 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 9/216:33 pm -
1 stop9h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/225:00 am -
2 stops9h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/205:00 am -
2 stops9h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Mon 10/127:32 pm -
3 stops20h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 9/6. 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 9/221:13 pm -
1 stop8h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 9/215:22 pm -
2 stops16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$422
Find flight deals from Billings to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Boston (BOS). 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $200 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $878 |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings to Boston 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 September 9, 2026.
Use the filters below to find and compare flights from Billings to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Mon 10/12
6:29 pm-6:25 am
1 stop9h 56m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$200
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Mon 10/12
8:52 pm-11:52 am
2 stops37h 00m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$243
Quickest round-trip
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Tue 9/15
2:29 pm-11:54 pm
1 stop7h 25m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$243
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Tue 10/13
5:57 pm-10:32 am
2 stops14h 35m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$255
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Mon 9/21
6:33 pm-6:30 am
1 stop9h 57m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$370
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Tue 10/20
1:21 pm-10:50 pm
1 stop7h 29m
Boston Logan Intl
Tue 10/27
5:17 am-12:51 pm
1 stop9h 34m
$379
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Tue 9/22
5:00 am-4:48 pm
2 stops9h 48m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$384
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Tue 10/20
6:29 pm-6:25 am
1 stop9h 56m
Boston Logan Intl
Tue 10/27
3:15 pm-8:15 pm
1 stop7h 00m
$385
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Sun 9/20
5:00 am-4:27 pm
2 stops9h 27m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$392
BillingsBoston
BIL Billings Logan Intl - BOS Boston Logan Intl
BILBOS
Billings Logan Intl
Fri 10/2
1:13 pm-11:34 pm
1 stop8h 21m
Boston Logan Intl
Tue 10/6
6:28 am-12:51 pm
1 stop8h 23m
$453
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Billings to Boston
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 Billings to Boston in September.
| 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 Billings-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-Boston 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 Billings-Boston 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 Billings to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Billings with our price prediction graph.
BIL-BOS
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 Billings to Boston
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 9, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Billings to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Boarding
8.1
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Billings to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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.
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
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Billings and Boston flights
Browse other Billings and Boston flight options. Last updated on September 9, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Billings to Boston
Discover the top 3 airlines that operate flights from Billings to Boston. 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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$654 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$678 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$379 | Average$553 | FlexibilityNo cancel fee | On-time69% |