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Cheap flights from Boston to Billings from $421

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Billings departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:05 pm - 7:25 pm
BOS
-
BIL
6h 20m1 stop
Delta Logo
6:22 am - 2:05 pm
BIL
-
BOS
5h 43m1 stop
$421Delta
Wed, Jan 7 - Wed, Jan 14
United Airlines Logo
3:15 pm - 9:23 pm
BOS
-
BIL
8h 08m1 stop
United Airlines Logo
6:30 am - 6:57 pm
BIL
-
BOS
10h 27m2 stops
$426United Airlines
Wed, Jan 7 - Wed, Jan 14
Delta Logo
12:00 pm - 7:25 pm
BOS
-
BIL
9h 25m2 stops
Delta Logo
11:47 am - 10:18 pm
BIL
-
BOS
8h 31m2 stops
$431Delta
Wed, Jan 7 - Wed, Jan 14
Alaska Airlines Logo
7:00 am - 2:55 pm
BOS
-
BIL
9h 55m1 stop
Alaska Airlines Logo
3:35 pm - 11:54 pm
BIL
-
BOS
30h 19m2 stops
$477Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
7:00 am - 2:55 pm
BOS
-
BIL
9h 55m1 stop
Alaska Airlines Logo
3:35 pm - 4:20 pm
BIL
-
BOS
22h 45m2 stops
$482Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
7:00 am - 2:55 pm
BOS
-
BIL
9h 55m1 stop
Alaska Airlines Logo
2:02 pm - 4:20 pm
BIL
-
BOS
24h 18m1 stop
$491Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
7:00 am - 2:55 pm
BOS
-
BIL
9h 55m1 stop
Alaska Airlines Logo
2:02 pm - 4:20 pm
BIL
-
BOS
24h 18m1 stop
$496Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
6:44 pm - 1:22 pm
BOS
-
BIL
20h 38m2 stops
Alaska Airlines Logo
3:35 pm - 4:20 pm
BIL
-
BOS
22h 45m2 stops
$508Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
7:00 am - 1:22 pm
BOS
-
BIL
32h 22m2 stops
Alaska Airlines Logo
3:35 pm - 4:20 pm
BIL
-
BOS
22h 45m2 stops
$513Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
8:20 pm - 11:21 am
BOS
-
BIL
17h 01m1 stop
United Airlines Logo
2:40 pm - 11:42 pm
BIL
-
BOS
7h 02m1 stop
$598United Airlines
Mon, Jun 8 - Fri, Jun 12

Delta flights from Boston to Billings

Our best Delta deals on Boston to Billings flight tickets
Delta
Jan 20
BOS3:05 pmBoston Logan Intl
6h 19m
1 stop
BIL7:24 pmBillings Logan Intl
Jan 29
BIL5:15 amBillings Logan Intl
22h 59m
2 stops
BOS6:14 amBoston Logan Intl
$383
Find similar
Delta
Jan 20
BOS3:05 pmBoston Logan Intl
6h 19m
1 stop
BIL7:24 pmBillings Logan Intl
Jan 30
BIL6:10 pmBillings Logan Intl
9h 55m
1 stop
BOS6:05 amBoston Logan Intl
$384
Find similar
Delta
Jan 20
BOS1:00 pmBoston Logan Intl
8h 24m
2 stops
BIL7:24 pmBillings Logan Intl
Feb 2
BIL5:15 amBillings Logan Intl
22h 59m
2 stops
BOS6:14 amBoston Logan Intl
$388
Find similar

Alaska Airlines flights from Boston to Billings

Our best Alaska Airlines deals on Boston to Billings flight tickets
Alaska Airlines
Jan 22
BOS7:00 amBoston Logan Intl
9h 55m
1 stop
BIL2:55 pmBillings Logan Intl
Feb 3
BIL3:35 pmBillings Logan Intl
22h 45m
1 stop
BOS4:20 pmBoston Logan Intl
$456
Find similar
Alaska Airlines
Apr 27
BOS4:50 pmBoston Logan Intl
22h 25m
1 stop
BIL1:15 pmBillings Logan Intl
Apr 30
BIL3:50 pmBillings Logan Intl
21h 57m
1 stop
BOS3:47 pmBoston Logan Intl
$470
Find similar
Alaska Airlines
Jan 8
BOS7:00 amBoston Logan Intl
9h 55m
1 stop
BIL2:55 pmBillings Logan Intl
Jan 12
BIL3:35 pmBillings Logan Intl
30h 19m
2 stops
BOS11:54 pmBoston Logan Intl
$477
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

Price

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 1/7

3:05 pm-7:25 pm

1 stop6h 20m

Billings Logan Intl

Wed 1/14

6:22 am-2:05 pm

1 stop5h 43m

$421

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 1/7

3:15 pm-9:23 pm

1 stop8h 08m

Billings Logan Intl

Wed 1/14

6:30 am-6:57 pm

2 stops10h 27m

$426

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Wed 1/7

12:00 pm-7:25 pm

2 stops9h 25m

Billings Logan Intl

Wed 1/14

11:47 am-10:18 pm

2 stops8h 31m

$431

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-2:55 pm

1 stop9h 55m

Billings Logan Intl

Mon 1/12

3:35 pm-11:54 pm

2 stops30h 19m

$477

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-2:55 pm

1 stop9h 55m

Billings Logan Intl

Mon 1/12

3:35 pm-4:20 pm

2 stops22h 45m

$482

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-2:55 pm

1 stop9h 55m

Billings Logan Intl

Mon 1/12

2:02 pm-4:20 pm

1 stop24h 18m

$491

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-2:55 pm

1 stop9h 55m

Billings Logan Intl

Mon 1/12

2:02 pm-4:20 pm

1 stop24h 18m

$496

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

6:44 pm-1:22 pm

2 stops20h 38m

Billings Logan Intl

Mon 1/12

3:35 pm-4:20 pm

2 stops22h 45m

$508

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Thu 1/8

7:00 am-1:22 pm

2 stops32h 22m

Billings Logan Intl

Mon 1/12

3:35 pm-4:20 pm

2 stops22h 45m

$513

BostonBillings

BOS - BIL

BOSBIL

Boston Logan Intl

Mon 6/8

8:20 pm-11:21 am

1 stop17h 01m

Billings Logan Intl

Fri 6/12

2:40 pm-11:42 pm

1 stop7h 02m

$598

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billings from

How to get the cheapest flight ticket from Boston to Billings

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Billings?

The month of January is, on average, the cheapest month to fly to Billings from Boston, with most prices found around $410. The month of March is another great option to travel to Billings, with average flight prices from Boston averaging around $485.

What is the cheapest day to depart on your flight to Billings?

Our data shows that Tuesday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $616. Flights from Boston to Billings on a Sunday will generally be more expensive and average around $804. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is in the morning. momondo users have found flights departing from Boston to Billings in the morning for as low as $663. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Billings, so prices are often more expensive at around $684 per ticket.

How far in advance should I book a flight to Billings?

You are more likely to see cheaper flights to Billings from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Billings for around $561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Billings from Boston for as low as $386 on momondo.

Can stopping save me money on Boston to Billings flights?

You could potentially save up to 53% on your flight if you consider stops on a Boston to Billings flight.

How have Boston to Billings flight prices changed over time?

When to book flights from Boston to Billings

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Billings according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Billings (BOS to BIL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Billings

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from Boston to Billings takes 7h 21m
There are no direct flights from Boston to Billings. There are no popular flight routes from Boston to Billings.
Search flight deals

  • How far is Boston Logan Intl to Billings Logan Intl by plane?

    There are 1855.1 mi between Boston Logan Intl and Billings Logan Intl. By plane, this route typically takes 7h 21m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Billings Logan Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Billings Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Billings Logan Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Billings Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The travel and health documents required for your trip to Billings Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Billings Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Billings?

Best airlines flying from Boston to Billings

Compare and see reviews for airlines that fly from Boston to Billings with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $261Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $395Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $446Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Boston to Billings?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Billings from Boston.

Can I find flights from Boston to Billings with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Billings flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Billings?

momondo provides multiple filters to help you find the best flight to Billings from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Billings right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Billings flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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