$124 Cheap Flights from Louisville (SDF) to Portland (PDX)

View $124 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Portland International Airport (PDX)

Cheap Flights from Louisville to Portland (SDF-PDX)

Prices were available within the past 7 days and start at $124 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Tue, Dec 16
SDF
Louisville
PDX
Portland
$279 Roundtrip, found 14 hours ago
$279
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Louisville to Portland, returning Tue, Dec 16, priced at $279 found 14 hours ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
SDF
Louisville
PDX
Portland
$280 Roundtrip, found 14 hours ago
$280
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Louisville to Portland, returning Tue, Dec 16, priced at $280 found 14 hours ago
Southwest Airlines
Wed, Oct 22 - Wed, Oct 29
SDF
Louisville
PDX
Portland
$281 Roundtrip, found 4 days ago
$281
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Louisville to Portland, returning Wed, Oct 29, priced at $281 found 4 days ago
Delta
Wed, Dec 10 - Tue, Dec 16
SDF
Louisville
PDX
Portland
$281 Roundtrip, found 14 hours ago
$281
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Dec 10 from Louisville to Portland, returning Tue, Dec 16, priced at $281 found 14 hours ago
Southwest Airlines
Tue, Nov 4 - Mon, Nov 10
SDF
Louisville
PDX
Portland
$282 Roundtrip, found 10 hours ago
$282
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Louisville to Portland, returning Mon, Nov 10, priced at $282 found 10 hours ago
American Airlines
Tue, Nov 11 - Wed, Nov 12
SDF
Louisville
PDX
Portland
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Nov 11 from Louisville to Portland, returning Wed, Nov 12, priced at $283 found 4 days ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
SDF
Louisville
PDX
Portland
$285 Roundtrip, found 14 hours ago
$285
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Louisville to Portland, returning Tue, Dec 16, priced at $285 found 14 hours ago
Southwest Airlines
Wed, Oct 22 - Wed, Oct 29
SDF
Louisville
PDX
Portland
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Louisville to Portland, returning Wed, Oct 29, priced at $286 found 4 days ago
Southwest Airlines
Tue, Nov 4 - Mon, Nov 10
SDF
Louisville
PDX
Portland
$288 Roundtrip, found 10 hours ago
$288
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Louisville to Portland, returning Mon, Nov 10, priced at $288 found 10 hours ago
United
Wed, Nov 5 - Mon, Nov 10
SDF
Louisville
PDX
Portland
$299 Roundtrip, found 10 hours ago
$299
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Nov 5 from Louisville to Portland, returning Mon, Nov 10, priced at $299 found 10 hours ago

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

August is typically the cheapest month to fly

From $204 - $567 per traveler.

Alternative airports near Portland

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

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $409
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $409

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $124 or cheap return flight from $279 from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX) 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 Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX)?
Traveling in December is a great way to save, as it's the cheapest month for flights between SDF and PDX. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX)?
To find the cheapest airline that'll fly you from SDF to PDX, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. 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 Portland Intl. Airport (PDX)?
Direct flights from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to PDX?
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 public holidays or peak travel times.*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 Portland Intl. Airport (PDX)?
Select a flight from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Portland Intl. Airport (PDX) last-minute?
Booking your plane ticket from SDF to PDX right before your getaway is generally more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SDF to PDX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to PDX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just secure your flights and select from our extensive range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Portland Intl. Airport (PDX)?
If you booked your SDF to PDX flight in 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 beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Louisville Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$278
Distance
1944 mi

Book with confidence

Book with confidence

Louisville to Portland Flights

The cheapest times to fly from Louisville to Portland

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

 

The best time to book a flight from Louisville to Portland

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

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 Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $124 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 Portland 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 Portland 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 Portland Flights

Explore a world of travel with Expedia

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*Available to One Key members.