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$174+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 11, 2025.

Round-trip from

$335
(American Airlines)

One-way from

$174
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$333
From Billings Logan Intl to Boston Logan Intl
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One-way flight from Billings Logan Intl to Boston Logan Intl
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Highest demand for flights based on searches. 13% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2112:20 pmBIL - BOS
1 stop9h 34mAmerican Airlines
Tue 10/285:44 pmBOS - BIL
1 stop20h 06mAmerican Airlines
Deal found 9/10$335
This Hawaiian Airlines deal was found by Cheapflights users on 9/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:19 pmBIL - BOS
1 stop10h 10mHawaiian Airlines
Sat 11/157:00 amBOS - BIL
1 stop10h 00mHawaiian Airlines
Deal found 9/10$382
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/2512:20 pmBIL - BOS
1 stop9h 34mAmerican Airlines
Fri 10/3112:41 pmBOS - BIL
1 stop10h 40mAmerican Airlines
Deal found 9/10$387
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:02 amBIL - BOS
1 stop12h 58mAmerican Airlines
Wed 10/85:24 amBOS - BIL
1 stop8h 26mAmerican Airlines
Deal found 9/9$388
This Delta deal was found by Cheapflights users on 9/10. 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 11/106:24 pmBIL - BOS
1 stop10h 06mDelta
Sat 11/157:15 amBOS - BIL
2 stops12h 29mDelta
Deal found 9/10$407

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 September 11, 2025.
Use the filters below to find and compare flights from Billings to Boston that are best for you.

Fly from

Billings

Fly to

Boston

Route

Depart

Return

Price

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Tue 10/21

12:20 pm-11:54 pm

1 stop9h 34m

Boston Logan Intl

Tue 10/28

5:44 pm-11:50 am

1 stop20h 06m

$335

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Mon 11/10

7:19 pm-7:29 am

1 stop10h 10m

Boston Logan Intl

Sat 11/15

7:00 am-3:00 pm

1 stop10h 00m

$382

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 10/25

12:20 pm-11:54 pm

1 stop9h 34m

Boston Logan Intl

Fri 10/31

12:41 pm-9:21 pm

1 stop10h 40m

$387

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Wed 10/1

6:02 am-9:00 pm

1 stop12h 58m

Boston Logan Intl

Wed 10/8

5:24 am-11:50 am

1 stop8h 26m

$388

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Mon 11/10

6:24 pm-6:30 am

1 stop10h 06m

Boston Logan Intl

Sat 11/15

7:15 am-5:44 pm

2 stops12h 29m

$407

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Thu 10/9

9:35 pm-7:27 am

2 stops55h 52m

$174

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sun 10/12

9:35 pm-11:26 am

2 stops35h 51m

$183

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 10/18

6:00 am-11:59 pm

1 stop15h 59m

$207

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Wed 10/8

12:11 pm-11:59 pm

2 stops33h 48m

$208

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Wed 10/8

2:30 pm-11:44 pm

1 stop7h 14m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Billings to Boston

What is the cheapest month to book a flight from Billings to Boston?

Currently, January is the cheapest month in which you can book a flight from Billings to Boston (average of $218). Flying from Billings to Boston in July is currently the most expensive (average of $311). 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.

What is the cheapest time of day to fly from BIL to BOS?

Find hourly flight availability from Billings to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Billings to Boston at noon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.

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 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    American Airlines and Hawaiian Airlines can get you from Billings to Boston in just under 9h 34m. Your travel time can differ by up to 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 $314, 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 42% 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.

  • What is the cheapest month to book a flight from Billings to Boston?

    Currently, January is the cheapest month in which you can book a flight from Billings to Boston (average of $218). Flying from Billings to Boston in July is currently the most expensive (average of $311). 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$314Average$531FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$413FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$485Average$596FlexibilityNo cancel feeOn-time69%

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