$241 Cheap Flights from Wilmington (ILM) to Billings (BIL)

View $241 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Billings Logan Intl. Airport (BIL)

Cheap Flights from Wilmington to Billings (ILM-BIL)

Prices were available within the past 7 days and start at $241 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 30 - Tue, Oct 7
ILM
Wilmington
BIL
Billings
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 30 from Wilmington to Billings, returning Tue, Oct 7, priced at $299 found 2 days ago
Delta
Tue, Oct 21 - Sat, Oct 25
ILM
Wilmington
BIL
Billings
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 21 from Wilmington to Billings, returning Sat, Oct 25, priced at $324 found 6 days ago
Delta
Sat, Oct 4 - Tue, Oct 7
ILM
Wilmington
BIL
Billings
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Oct 4 from Wilmington to Billings, returning Tue, Oct 7, priced at $354 found 4 days ago
Delta
Thu, Oct 23 - Sat, Oct 25
ILM
Wilmington
BIL
Billings
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 23 from Wilmington to Billings, returning Sat, Oct 25, priced at $379 found 6 days ago
Delta
Tue, Oct 21 - Sun, Oct 26
ILM
Wilmington
BIL
Billings
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 21 from Wilmington to Billings, returning Sun, Oct 26, priced at $384 found 6 days ago
Delta
Wed, Oct 22 - Sat, Oct 25
ILM
Wilmington
BIL
Billings
$409 Roundtrip, found 6 days ago
$409
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 22 from Wilmington to Billings, returning Sat, Oct 25, priced at $409 found 6 days ago
Delta
Mon, Sep 29 - Tue, Oct 7
ILM
Wilmington
BIL
Billings
$415 Roundtrip, found 4 days ago
$415
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Wilmington to Billings, returning Tue, Oct 7, priced at $415 found 4 days ago
United
Wed, Sep 24 - Wed, Oct 1
ILM
Wilmington
BIL
Billings
$440 Roundtrip, found 2 days ago
$440
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 24 from Wilmington to Billings, returning Wed, Oct 1, priced at $440 found 2 days ago
American Airlines
Wed, Oct 1 - Sat, Oct 4
ILM
Wilmington
BIL
Billings
$506 Roundtrip, found 2 days ago
$506
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 1 from Wilmington to Billings, returning Sat, Oct 4, priced at $506 found 2 days ago
Alaska Airlines
Thu, Oct 2 - Sun, Oct 5
ILM
Wilmington
BIL
Billings
$842 Roundtrip, found 2 days ago
$842
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Oct 2 from Wilmington to Billings, returning Sun, Oct 5, priced at $842 found 2 days ago

Alternative airports near Billings

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BIL. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $499
BIL
Logan Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $499
Flights from Wilmington (ILM) to Billings (BIL)
Origin airport
Wilmington Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$299
Distance
1790 mi

Wilmington to Billings Flights

The cheapest times to fly from Wilmington to Billings

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Wilmington to Billings are during the month of September. You can find some of the cheapest flights from Wilmington to Billings with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Billings

Sunday is one of the best days to book for cheap flights from Wilmington to Billings: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Wilmington to Billings

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Wilmington to Billings in 2025. You can also book with separate airlines for your outbound and return journeys, from $241 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Wilmington to Billings flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Wilmington to Billings airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL) cost?
Get a cheap one-way flight from $241 or cheap return flight from $299 from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL)?
Planning your getaway for September can help you save, as it's the cheapest month for flights between ILM and BIL. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL)?
To find the cheapest airline flying from ILM to BIL, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL)?
Direct flights from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILM to BIL?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL)?
To avoid possible delays on the Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL) last-minute?
Last-minute fares from ILM to BIL are typically more expensive. For the best prices, start looking for flights early. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book an ILM to BIL flight and hotel package?
You'll generally save money by booking an ILM to BIL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Logan Intl. Airport (BIL)?
If you booked your ILM to BIL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.