$167 Cheap Flights from Redmond (RDM) to Louisville (SDF)

View $167 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Louisville Intl. Airport (SDF)

Cheap Flights from Redmond to Louisville (RDM-SDF)

Prices were available within the past 7 days and start at $167 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Mar 6 - Tue, Mar 10
RDM
Redmond
SDF
Louisville
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Redmond to Louisville, returning Tue, Mar 10, priced at $289 found 5 days ago
Delta
Tue, Apr 14 - Thu, Apr 30
RDM
Redmond
SDF
Louisville
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 14 from Redmond to Louisville, returning Thu, Apr 30, priced at $294 found 1 day ago
Delta
Wed, Jan 14 - Mon, Jan 26
RDM
Redmond
SDF
Louisville
$299 Roundtrip, found 11 hours ago
$299
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Jan 14 from Redmond to Louisville, returning Mon, Jan 26, priced at $299 found 11 hours ago
United
Fri, Mar 6 - Tue, Mar 10
RDM
Redmond
SDF
Louisville
$308 Roundtrip, found 5 days ago
$308
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Redmond to Louisville, returning Tue, Mar 10, priced at $308 found 5 days ago
United
Fri, Mar 6 - Tue, Mar 10
RDM
Redmond
SDF
Louisville
$313 Roundtrip, found 5 days ago
$313
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Redmond to Louisville, returning Tue, Mar 10, priced at $313 found 5 days ago
United
Fri, Mar 6 - Tue, Mar 10
RDM
Redmond
SDF
Louisville
$314 Roundtrip, found 5 days ago
$314
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Redmond to Louisville, returning Tue, Mar 10, priced at $314 found 5 days ago
Delta
Sat, Jan 31 - Tue, Feb 17
RDM
Redmond
SDF
Louisville
$316 Roundtrip, found 11 hours ago
$316
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Jan 31 from Redmond to Louisville, returning Tue, Feb 17, priced at $316 found 11 hours ago
Delta
Sat, May 2 - Mon, May 11
RDM
Redmond
SDF
Louisville
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, May 2 from Redmond to Louisville, returning Mon, May 11, priced at $319 found 1 day ago
Alaska Airlines
Wed, Jan 21 - Thu, Feb 5
RDM
Redmond
SDF
Louisville
$389 Roundtrip, found 11 hours ago
$389
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Redmond to Louisville, returning Thu, Feb 5, priced at $389 found 11 hours ago
American Airlines
Sat, Feb 28 - Fri, Mar 6
RDM
Redmond
SDF
Louisville
$702 Roundtrip, found 2 days ago
$702
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Feb 28 from Redmond to Louisville, returning Fri, Mar 6, priced at $702 found 2 days ago

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 $399
SDF
Louisville Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $399

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF) cost?
Snag a cheap one-way flight from $167 or cheap return flight from $289 from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF) 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 Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF)?
The cheapest month to fly from RDM to SDF is March, when demand is low. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF)?
To find the cheapest airline that'll fly you from RDM to SDF, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF)?
There are no daily direct flights available from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from RDM to SDF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF)?
To avoid possible delays on the Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF) last-minute?
Waiting until right before your break to book a ticket from RDM to SDF generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a RDM to SDF flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDM to SDF flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Louisville Intl. Airport (SDF)?
If you booked your RDM to SDF flight in 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 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 information.

Travel information

Origin airport
Robert's Field
Destination airport
Louisville Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$288
Distance
1872 mi

Book with confidence

Redmond to Louisville Flights

The cheapest times to fly from Redmond 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 Redmond to Louisville are during the month of March. You can find some of the cheapest flights from Redmond to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to Louisville

Sunday is one of the best days to book for cheap flights from Redmond 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 Redmond 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 Redmond to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $167 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 Redmond 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 Redmond 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.

 

Redmond to Louisville Flights

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*Available to One Key members.