$154 Cheap Delta flights Boston (BOS) to Billings (BIL)

View $154 flight on Wed, Sep 10, 2025Opens in a new window

$154 Cheap Delta flights Boston (BOS) to Billings (BIL)

Prices were available within the past 7 days and start at $154 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 4 - Tue, Sep 16
BOS
Boston
BIL
Billings
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 4 from Boston to Billings, returning Tue, Sep 16, priced at $307 found 2 days ago
Delta
Tue, Sep 16 - Wed, Sep 24
BOS
Boston
BIL
Billings
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 16 from Boston to Billings, returning Wed, Sep 24, priced at $317 found 1 day ago
Delta
Wed, Sep 24 - Tue, Sep 30
BOS
Boston
BIL
Billings
$359 Roundtrip, found 1 hour ago
$359
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 24 from Boston to Billings, returning Tue, Sep 30, priced at $359 found 1 hour ago
Delta
Wed, Sep 24 - Tue, Sep 30
BOS
Boston
BIL
Billings
$360 Roundtrip, found 1 hour ago
$360
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 24 from Boston to Billings, returning Tue, Sep 30, priced at $360 found 1 hour ago
Delta
Wed, Sep 24 - Tue, Sep 30
BOS
Boston
BIL
Billings
$362 Roundtrip, found 1 hour ago
$362
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 24 from Boston to Billings, returning Tue, Sep 30, priced at $362 found 1 hour ago
Delta
Wed, Sep 24 - Tue, Sep 30
BOS
Boston
BIL
Billings
$368 Roundtrip, found 1 hour ago
$368
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 24 from Boston to Billings, returning Tue, Sep 30, priced at $368 found 1 hour ago
Flights from Boston (BOS) to Billings (BIL)
Origin airport
Logan Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1859 mi

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to Logan Intl. Airport (BIL)?
Finding cheap one-way Delta Air Lines flights from BOS to BIL from $154 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $307 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to BIL with Delta Air Lines?
Browse for return or one-way flights to Billings in January or November. You could find lower fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Logan Intl. Airport (BIL) with Delta Air Lines?
Start searching one to three months ahead of your travel date to find cheap fares on Delta Air Lines flights from Logan Intl. Airport (BOS) to Logan Intl. Airport (BIL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to Logan Intl. Airport (BIL)?
Use the "Nonstop" filter when looking for direct Delta Air Lines flights from BOS to BIL. It's also an easy way to compare other carriers offering the same direct trip.
What is the earliest Delta Air Lines flight from BOS to BIL?
Filter your results by "Morning" and "Early Morning" to browse the earliest flights from BOS to BIL. Heading off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Billings?
Delta Air Lines flights from Logan Intl. Airport (BOS) to Billings come in to Logan Intl. Airport (BIL). This is the main gateway to this destination.
Why fly with Delta Air Lines from BOS to BIL?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many travelers flying from BOS to BIL. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to Logan Intl. Airport (BIL)?
Depending on the type of fare you purchased, a fee may apply if you cancel or change your booking more than 24 hours after confirmation. To secure tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For more details on canceling or modifying your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.