$297 Cheap Flights from Louisville (SDF) to Bellingham (BLI)

View $297 flight on Mon, Jan 19, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Bellingham, WA (BLI-Bellingham Intl.)

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Cheap Flights from Louisville to Bellingham (SDF-BLI)

Prices were available within the past 7 days and start at $297 for one-way flights and $630 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 25 - Tue, Dec 30
SDF
Louisville
BLI
Bellingham
$630 Roundtrip, found 3 days ago
$630
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Dec 25 from Louisville to Bellingham, returning Tue, Dec 30, priced at $630 found 3 days ago
American Airlines
Mon, Dec 22 - Tue, Dec 30
SDF
Louisville
BLI
Bellingham
$663 Roundtrip, found 3 days ago
$663
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from Louisville to Bellingham, returning Tue, Dec 30, priced at $663 found 3 days ago
Alaska Airlines
Wed, Feb 25 - Thu, Feb 26
SDF
Louisville
BLI
Bellingham
$680 Roundtrip, found 17 hours ago
$680
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Louisville to Bellingham, returning Thu, Feb 26, priced at $680 found 17 hours ago
American Airlines
Sun, Dec 21 - Tue, Dec 30
SDF
Louisville
BLI
Bellingham
$683 Roundtrip, found 3 days ago
$683
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 21 from Louisville to Bellingham, returning Tue, Dec 30, priced at $683 found 3 days ago
Alaska Airlines
Sat, Oct 18 - Tue, Oct 21
SDF
Louisville
BLI
Bellingham
$817 Roundtrip, found 2 days ago
$817
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Louisville to Bellingham, returning Tue, Oct 21, priced at $817 found 2 days ago
Alaska Airlines
Mon, Oct 20 - Sat, Oct 25
SDF
Louisville
BLI
Bellingham
$825 Roundtrip, found 7 hours ago
$825
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, Oct 20 from Louisville to Bellingham, returning Sat, Oct 25, priced at $825 found 7 hours ago
Alaska Airlines
Mon, Oct 20 - Mon, Oct 27
SDF
Louisville
BLI
Bellingham
$833 Roundtrip, found 2 days ago
$833
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Oct 20 from Louisville to Bellingham, returning Mon, Oct 27, priced at $833 found 2 days ago
Alaska Airlines
Sat, Oct 18 - Sat, Oct 25
SDF
Louisville
BLI
Bellingham
$867 Roundtrip, found 2 days ago
$867
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Louisville to Bellingham, returning Sat, Oct 25, priced at $867 found 2 days ago
Alaska Airlines
Mon, Oct 20 - Sat, Oct 25
SDF
Louisville
BLI
Bellingham
$875 Roundtrip, found 7 hours ago
$875
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, Oct 20 from Louisville to Bellingham, returning Sat, Oct 25, priced at $875 found 7 hours ago
United
Thu, Oct 16 - Sat, Oct 18
SDF
Louisville
BLI
Bellingham
$1,276 Roundtrip, found 2 days ago
$1,276
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 16 from Louisville to Bellingham, returning Sat, Oct 18, priced at $1,276 found 2 days ago

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI) cost?
Secure a cheap one-way flight from $297 or cheap return flight from $630 from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI)?
Flying in December may help you find better deals, as it's the cheapest month for flights between SDF and BLI. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI)?
To find the cheapest airline that'll fly you from SDF to BLI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI)?
There aren't any daily nonstop flights available from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SDF to BLI?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI)?
To land at Bellingham Intl. Airport (BLI) on time, choose a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI) last-minute?
Waiting until just before your trip to book your flight from SDF to BLI generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a SDF to BLI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to BLI flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Bellingham Intl. Airport (BLI)?
If you booked your SDF to BLI flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Louisville Intl.
Destination airport
Bellingham Intl.
Roundtrip price
$630
Distance
1961 mi

Book with confidence

Louisville to Bellingham Flights

The cheapest times to fly from Louisville to Bellingham

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 Louisville to Bellingham are during the month of December. You can find some of the cheapest flights from Louisville to Bellingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Bellingham

Sunday is one of the best days to book for cheap flights from Louisville to Bellingham: 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 Louisville to Bellingham

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 Louisville to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $297 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 Louisville to Bellingham 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 Louisville to Bellingham 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.

 

Louisville to Bellingham Flights

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*Available to One Key members.