$126 Cheap Flights from Portland (PWM) to Louisville (SDF)

View $126 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)

Cheap Flights from Portland to Louisville (PWM-SDF)

Prices were available within the past 7 days and start at $126 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 31 - Sat, Feb 7
PWM
Portland
SDF
Louisville
$256 Roundtrip, found 6 days ago
$256
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 31 from Portland to Louisville, returning Sat, Feb 7, priced at $256 found 6 days ago
Delta
Thu, Jan 29 - Sat, Feb 7
PWM
Portland
SDF
Louisville
$273 Roundtrip, found 6 days ago
$273
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jan 29 from Portland to Louisville, returning Sat, Feb 7, priced at $273 found 6 days ago
American Airlines
Thu, Dec 25 - Wed, Dec 31
PWM
Portland
SDF
Louisville
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Dec 25 from Portland to Louisville, returning Wed, Dec 31, priced at $281 found 1 day ago
Southwest Airlines
Sat, Jan 31 - Fri, Feb 6
PWM
Portland
SDF
Louisville
$282 Roundtrip, found 6 days ago
$282
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 31 from Portland to Louisville, returning Fri, Feb 6, priced at $282 found 6 days ago
Southwest Airlines
Sat, Jan 31 - Fri, Feb 6
PWM
Portland
SDF
Louisville
$282 Roundtrip, found 6 days ago
$282
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 31 from Portland to Louisville, returning Fri, Feb 6, priced at $282 found 6 days ago
American Airlines
Sat, Feb 14 - Sun, Feb 15
PWM
Portland
SDF
Louisville
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Feb 14 from Portland to Louisville, returning Sun, Feb 15, priced at $290 found 2 days ago
Delta
Thu, Nov 27 - Tue, Dec 9
PWM
Portland
SDF
Louisville
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from Portland to Louisville, returning Tue, Dec 9, priced at $292 found 3 days ago
Delta
Thu, Nov 27 - Sat, Dec 6
PWM
Portland
SDF
Louisville
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from Portland to Louisville, returning Sat, Dec 6, priced at $294 found 3 days ago
American Airlines
Sat, Feb 14 - Sun, Feb 15
PWM
Portland
SDF
Louisville
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Feb 14 from Portland to Louisville, returning Sun, Feb 15, priced at $296 found 2 days ago
United
Wed, Nov 19 - Thu, Nov 27
PWM
Portland
SDF
Louisville
$299 Roundtrip, found 18 hours ago
$299
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Nov 19 from Portland to Louisville, returning Thu, Nov 27, priced at $299 found 18 hours ago

Find the cheapest month to fly from Portland (PWM) to Louisville (SDF)

August is typically the cheapest month to fly

From $198 - $530 per traveler.

Alternative airports near Louisville

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

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $359
SDF
Louisville Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $359

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF) cost?
Snag a cheap one-way flight from $126 or cheap return flight from $256 from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)?
Planning your getaway for January is a great way to save, as it's the cheapest month for flights between PWM and SDF. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)?
To find the cheapest airline that'll fly you from PWM to SDF, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)?
There aren't any daily nonstop flights available from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PWM to SDF?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)?
To arrive at Louisville Intl. Airport (SDF) on time, book a flight that leaves from Portland Intl. Jetport Airport (PWM) before 3 PM. The likelihood 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 Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF) last-minute?
Booking your plane ticket from PWM to SDF shortly before your getaway is typically more expensive. But if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a PWM to SDF flight and hotel package?
Opting for a PWM to SDF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Louisville Intl. Airport (SDF)?
If you reserved your PWM to SDF flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare 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, visit our Customer Service portal for more details.

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$256
Distance
887 mi

Book with confidence

Portland to Louisville Flights

The cheapest times to fly from Portland to Louisville

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

 

The best time to book a flight from Portland to Louisville

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

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 Portland to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 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 Portland to Louisville 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 Portland to Louisville 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.

 

Portland to Louisville Flights

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*Available to One Key members.