Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Louisville from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Louisville departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Louisville

Cheap round-trip flights

American Airlines Logo
11:48 am - 10:25 pmPDX-SDF
7h 37m1 stop
American Airlines Logo
4:26 pm - 9:23 pmSDF-PDX
7h 57m1 stop
$309American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
2:10 pm - 11:45 pmPDX-SDF
6h 35m1 stop
American Airlines Logo
7:00 am - 8:24 pmSDF-PDX
16h 24m1 stop
$311American Airlines
Find Deal
Sat, Feb 14 - Sat, Feb 21
Delta Logo
12:35 am - 11:57 amPDX-SDF
8h 22m1 stop
Delta Logo
6:00 am - 12:49 pmSDF-PDX
9h 49m1 stop
$320Delta
Find Deal
Mon, Nov 10 - Sat, Nov 15
Delta Logo
12:32 am - 11:57 amPDX-SDF
8h 25m1 stop
Delta Logo
12:37 pm - 5:43 pmSDF-PDX
8h 06m1 stop
$321Delta
Find Deal
Wed, Dec 3 - Thu, Dec 11
American Airlines Logo
11:43 am - 10:55 pmPDX-SDF
8h 12m1 stop
American Airlines Logo
6:24 pm - 10:59 pmSDF-PDX
7h 35m1 stop
$324American Airlines
Find Deal
Wed, Nov 19 - Sat, Nov 22
United Airlines Logo
11:59 pm - 9:59 amPDX-SDF
7h 00m1 stop
United Airlines Logo
11:00 am - 5:52 pmSDF-PDX
9h 52m2 stops
$325United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Southwest Logo
10:20 am - 12:35 amPDX-SDF
11h 15m1 stop
Southwest Logo
8:15 pm - 11:55 pmSDF-PDX
6h 40m1 stop
$326Southwest
Find Deal
Mon, Oct 27 - Thu, Oct 30
Southwest Logo
10:50 am - 9:30 pmPDX-SDF
7h 40m1 stop
Southwest Logo
6:05 am - 10:10 amSDF-PDX
7h 05m1 stop
$359Southwest
Find Deal
Fri, Dec 5 - Thu, Dec 11
United Airlines Logo
5:00 am - 2:19 pmPDX-SDF
6h 19m1 stop
United Airlines Logo
3:20 pm - 10:51 pmSDF-PDX
10h 31m2 stops
$364United Airlines
Find Deal
Wed, Nov 19 - Sat, Nov 22
Multiple Airlines Logo
11:36 am - 2:02 pmPDX-SDF
23h 26m1 stop
Multiple Airlines Logo
2:57 pm - 6:40 pmSDF-PDX
30h 43m1 stop
$433Multiple Airlines
Find Deal
Sun, Oct 12 - Thu, Oct 16

American Airlines flights from Portland to Louisville

Our best American Airlines deals on Portland to Louisville flight tickets
American Airlines
Oct 31
PDX11:48 amPortland
7h 37m
1 stop
SDF10:25 pmLouisville Intl
Nov 4
SDF4:26 pmLouisville Intl
7h 57m
1 stop
PDX9:23 pmPortland
$309
Find similar
American Airlines
Feb 14
PDX2:10 pmPortland
6h 35m
1 stop
SDF11:45 pmLouisville Intl
Feb 21
SDF7:00 amLouisville Intl
16h 24m
1 stop
PDX8:24 pmPortland
$311
Find similar
American Airlines
Nov 19
PDX11:43 amPortland
8h 12m
1 stop
SDF10:55 pmLouisville Intl
Nov 22
SDF6:24 pmLouisville Intl
7h 35m
1 stop
PDX10:59 pmPortland
$324
Find similar

United Airlines flights from Portland to Louisville

Our best United Airlines deals on Portland to Louisville flight tickets
United Airlines
Nov 11
PDX11:59 pmPortland
7h 00m
1 stop
SDF9:59 amLouisville Intl
Nov 15
SDF11:00 amLouisville Intl
9h 52m
2 stops
PDX5:52 pmPortland
$325
Find similar
United Airlines
Nov 19
PDX5:00 amPortland
6h 19m
1 stop
SDF2:19 pmLouisville Intl
Nov 22
SDF3:20 pmLouisville Intl
10h 31m
2 stops
PDX10:51 pmPortland
$364
Find similar
United Airlines
Oct 15
PDX12:53 pmPortland
6h 37m
1 stop
SDF10:30 pmLouisville Intl
Oct 21
SDF1:58 pmLouisville Intl
9h 52m
2 stops
PDX8:50 pmPortland
$414
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from Portland to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Fri 10/31

11:48 am-10:25 pm

1 stop7h 37m

Louisville Intl

Tue 11/4

4:26 pm-9:23 pm

1 stop7h 57m

$309

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sat 2/14

2:10 pm-11:45 pm

1 stop6h 35m

Louisville Intl

Sat 2/21

7:00 am-8:24 pm

1 stop16h 24m

$311

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Mon 11/10

12:35 am-11:57 am

1 stop8h 22m

Louisville Intl

Sat 11/15

6:00 am-12:49 pm

1 stop9h 49m

$320

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 12/3

12:32 am-11:57 am

1 stop8h 25m

Louisville Intl

Thu 12/11

12:37 pm-5:43 pm

1 stop8h 06m

$321

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 11/19

11:43 am-10:55 pm

1 stop8h 12m

Louisville Intl

Sat 11/22

6:24 pm-10:59 pm

1 stop7h 35m

$324

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 11/11

11:59 pm-9:59 am

1 stop7h 00m

Louisville Intl

Sat 11/15

11:00 am-5:52 pm

2 stops9h 52m

$325

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Mon 10/27

10:20 am-12:35 am

1 stop11h 15m

Louisville Intl

Thu 10/30

8:15 pm-11:55 pm

1 stop6h 40m

$326

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Fri 12/5

10:50 am-9:30 pm

1 stop7h 40m

Louisville Intl

Thu 12/11

6:05 am-10:10 am

1 stop7h 05m

$359

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 11/19

5:00 am-2:19 pm

1 stop6h 19m

Louisville Intl

Sat 11/22

3:20 pm-10:51 pm

2 stops10h 31m

$364

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sun 10/12

11:36 am-2:02 pm

1 stop23h 26m

Louisville Intl

Thu 10/16

2:57 pm-6:40 pm

1 stop30h 43m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Louisville from

How to get the cheapest flight ticket from Portland to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of September, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $407.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Portland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $451. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland to Louisville on a Sunday will generally be more expensive and average around $637. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Portland to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $242. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $537 per ticket.

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Portland for as low as $393 on momondo.

How have Portland to Louisville flight prices changed over time?

When to book flights from Portland to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Louisville (PDX to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Louisville

Direct flights

None
There are no direct flights from Portland to Louisville. There are no popular flight routes from Portland to Louisville.
Search flight deals

  • How far is Portland to Louisville Intl by plane?

    The distance between Portland and Louisville Intl is about 1944.5 mi. 6h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Louisville Intl Airport?

    Prices for flights from Portland Airport to Louisville Intl Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Portland Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Louisville?

Best airlines flying from Portland to Louisville

Compare and see reviews for airlines that fly from Portland to Louisville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $299Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $300Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $329Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $506Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Georgetown
Brandenburg

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Louisville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Louisville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Louisville with flexible booking policies on momondo?

Flights from Portland to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Louisville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from Portland.

I’m not ready to book a flight from Portland to Louisville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Louisville, momondo offers a useful price alert feature which will track prices for flights to Louisville from Portland and alert you when they change.

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/29
Wed 11/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States