HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$185+ Cheap flights from Billings to Boston (BIL - BOS)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 flights from Billings to Boston
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 July 28, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 10/126:25 pm
BIL
-
BOS
1 stop10h 00m
Delta
Wed 10/216:05 am
BOS
-
BIL
1 stop8h 13m
Delta
Deal found 7/23$359
This Delta deal was found by Cheapflights users on 7/23. 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 10/166:19 pm
BIL
-
BOS
1 stop10h 06m
Delta
Tue 10/206:05 am
BOS
-
BIL
1 stop8h 13m
Delta
Deal found 7/23$366
This Delta deal was found by Cheapflights users on 7/24. 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 10/2012:58 pm
BIL
-
BOS
1 stop9h 01m
Delta
Tue 10/276:05 am
BOS
-
BIL
1 stop8h 13m
Delta
Deal found 7/24$369
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/1710:30 am
BIL
-
BOS
1 stop7h 09m
United Airlines
Mon 11/239:00 am
BOS
-
BIL
2 stops10h 14m
United Airlines
Deal found 7/24$389
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 12/56:00 am
BIL
-
BOS
1 stop8h 46m
Alaska Airlines
Wed 12/97:08 am
BOS
-
BIL
1 stop10h 00m
Alaska Airlines
Deal found 7/26$394
This Delta deal was found by Cheapflights users on 7/24. 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.
Sun 11/156:15 am
BIL
-
BOS
1 stop8h 26m
Delta
Mon 11/233:00 pm
BOS
-
BIL
1 stop6h 48m
Delta
Deal found 7/24$404
This Delta deal was found by Cheapflights users on 7/27. 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 9/156:33 pm
BIL
-
BOS
1 stop9h 57m
Delta
Tue 9/2210:20 am
BOS
-
BIL
2 stops14h 55m
Delta
Deal found 7/27$407
This Delta deal was found by Cheapflights users on 7/27. 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 8/126:26 am
BIL
-
BOS
1 stop8h 39m
Delta
Wed 8/196:18 pm
BOS
-
BIL
1 stop7h 12m
Delta
Deal found 7/27$424
This Delta deal was found by Cheapflights users on 7/27. 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 9/156:33 pm
BIL
-
BOS
2 stops19h 47m
Delta
Wed 9/236:05 am
BOS
-
BIL
1 stop8h 12m
Delta
Deal found 7/27$425
This Delta deal was found by Cheapflights users on 7/26. 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 8/246:26 am
BIL
-
BOS
1 stop8h 39m
Delta
Mon 8/313:00 pm
BOS
-
BIL
1 stop7h 12m
Delta
Deal found 7/26$429
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:29 pm
BIL
-
BOS
1 stop7h 25m
United Airlines
Tue 8/182:28 pm
BOS
-
BIL
2 stops9h 39m
United Airlines
Deal found 7/23$430
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 8/126:26 am
BIL
-
BOS
1 stop8h 39m
Delta
Tue 8/186:18 pm
BOS
-
BIL
1 stop7h 12m
Delta
Deal found 7/23$433

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$185
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$654
Provider with most accurate pricing for Billings Logan Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Boston Logan Intl flights.
Search Deals
From Billings Logan Intl to Boston Logan Intl
Search Deals
One-way flight from Billings Logan Intl to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($402 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 29% potential price decrease ($170 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 2,558,603 searches. Data last updated July 28, 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

Price

Cheapest round-trip

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 12/5

6:00 am-4:46 pm

1 stop8h 46m

Boston Logan Intl

Wed 12/9

7:08 am-3:08 pm

1 stop10h 00m

$394

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Thu 9/17

6:33 pm-6:30 am

1 stop9h 57m

Boston Logan Intl

Wed 9/23

6:05 am-12:17 pm

1 stop8h 12m

$439

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Tue 9/8

6:23 am-5:25 pm

1 stop9h 02m

Boston Logan Intl

Tue 9/15

11:20 am-5:53 pm

1 stop8h 33m

$451

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 9/19

6:14 am-6:09 am

2 stops21h 55m

Boston Logan Intl

Wed 9/23

10:03 am-6:49 pm

1 stop10h 46m

$451
Quickest round-trip

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 8/29

2:29 pm-11:50 pm

1 stop7h 21m

Boston Logan Intl

Mon 8/31

3:10 pm-9:00 pm

1 stop7h 50m

$459

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 12/5

2:40 pm-11:42 pm

1 stop7h 02m

Boston Logan Intl

Wed 12/9

9:50 am-8:51 pm

2 stops13h 01m

$464

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Wed 11/18

10:30 am-9:54 pm

1 stop9h 24m

Boston Logan Intl

Mon 11/23

12:00 pm-9:14 pm

2 stops11h 14m

$464

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Tue 10/20

5:57 pm-10:32 am

2 stops14h 35m

Boston Logan Intl

Tue 10/27

6:00 am-1:29 pm

2 stops9h 29m

$470
Cheapest one-way

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 8/29

6:24 pm-6:30 am

1 stop10h 06m

$187

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Fri 9/18

6:33 pm-6:30 am

1 stop9h 57m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

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 July 28, 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.
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
10,046 reviews
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.1
Good
11,839 reviews
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • How long is the flight from Billings to Boston?

    Alaska Airlines, Delta, and United Airlines can get you from Billings to Boston in just under 7h 21m. Your travel time can differ by up to 2h 36m. The distance from Billings to Boston is about 1859 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Billings to Boston round-trip?

    Delta, at $235, was found to be the cheapest airline from Billings to Boston.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is currently priced 68% below the average price you’ll pay for this route.

  • Can I find deals for flights from Billings to Boston that include hotel bookings?

    Yes. In addition to deals on Billings to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Boston.

  • Can I find deals for business class flights from Billings to Boston?

    Yes. Cheapflights offers flight deals from Billings to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

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.

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 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$235Average$584FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$518FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$379Average$540FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.