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Cheap flights from Portland to Louisville from $151

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

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Find the cheapest flights from Portland to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:53 pm - 11:06 pm
PDX
-
SDF
6h 13m1 stop
Delta Logo
5:35 am - 10:47 am
SDF
-
PDX
8h 12m1 stop
$321Delta
Tue, Feb 3 - Wed, Feb 4
United Airlines Logo
5:00 am - 5:37 pm
PDX
-
SDF
9h 37m2 stops
United Airlines Logo
3:22 pm - 9:12 pm
SDF
-
PDX
8h 50m1 stop
$326United Airlines
Wed, Jan 28 - Wed, Feb 4
American Airlines Logo
11:40 pm - 10:04 am
PDX
-
SDF
7h 24m1 stop
American Airlines Logo
6:00 am - 1:15 pm
SDF
-
PDX
10h 15m1 stop
$330American Airlines
Sat, Feb 14 - Sat, Feb 21
Delta Logo
9:45 pm - 9:26 am
PDX
-
SDF
8h 41m1 stop
Delta Logo
3:32 pm - 10:15 pm
SDF
-
PDX
9h 43m1 stop
$340Delta
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
1:24 pm - 10:24 pm
PDX
-
SDF
6h 00m1 stop
United Airlines Logo
5:35 am - 2:55 pm
SDF
-
PDX
12h 20m2 stops
$345United Airlines
Thu, Jan 22 - Tue, Jan 27
Southwest Logo
6:20 am - 10:10 pm
PDX
-
SDF
12h 50m2 stops
Southwest Logo
6:45 am - 3:40 pm
SDF
-
PDX
11h 55m2 stops
$350Southwest
Wed, Jan 28 - Wed, Feb 4
Delta Logo
9:45 pm - 9:26 am
PDX
-
SDF
8h 41m1 stop
Delta Logo
5:35 am - 10:34 am
SDF
-
PDX
7h 59m1 stop
$359Delta
Sat, Jan 31 - Sat, Feb 7
Delta Logo
11:59 am - 11:50 pm
PDX
-
SDF
8h 51m1 stop
Delta Logo
12:22 pm - 7:13 pm
SDF
-
PDX
9h 51m1 stop
$370Delta
Tue, Feb 3 - Thu, Feb 5
United Airlines Logo
8:30 am - 8:28 pm
PDX
-
SDF
8h 58m2 stops
United Airlines Logo
2:05 pm - 9:12 pm
SDF
-
PDX
10h 07m2 stops
$371United Airlines
Thu, Jan 22 - Tue, Jan 27
Delta Logo
11:59 am - 11:50 pm
PDX
-
SDF
8h 51m1 stop
Delta Logo
6:23 am - 12:46 pm
SDF
-
PDX
9h 23m1 stop
$379Delta
Tue, Feb 3 - Sun, Feb 8

United Airlines flights from Portland to Louisville

Our best United Airlines deals on Portland to Louisville flight tickets
United Airlines
Jan 28
PDX5:00 amPortland
9h 37m
2 stops
SDF5:37 pmLouisville Intl
Feb 4
SDF3:22 pmLouisville Intl
8h 50m
1 stop
PDX9:12 pmPortland
$326
Find similar
United Airlines
Jan 22
PDX1:24 pmPortland
6h 00m
1 stop
SDF10:24 pmLouisville Intl
Jan 27
SDF5:35 amLouisville Intl
12h 20m
2 stops
PDX2:55 pmPortland
$345
Find similar
United Airlines
Jan 22
PDX8:30 amPortland
8h 58m
2 stops
SDF8:28 pmLouisville Intl
Jan 27
SDF2:05 pmLouisville Intl
10h 07m
2 stops
PDX9:12 pmPortland
$371
Find similar

Southwest flights from Portland to Louisville

Our best Southwest deals on Portland to Louisville flight tickets
Southwest
Jan 28
PDX6:20 amPortland
12h 50m
2 stops
SDF10:10 pmLouisville Intl
Feb 4
SDF6:45 amLouisville Intl
11h 55m
2 stops
PDX3:40 pmPortland
$350
Find similar
Southwest
Feb 2
PDX6:00 amPortland
8h 30m
1 stop
SDF5:30 pmLouisville Intl
Feb 6
SDF11:40 amLouisville Intl
11h 35m
2 stops
PDX8:15 pmPortland
$403
Find similar
Southwest
Mar 22
PDX11:55 pmPortland
7h 00m
1 stop
SDF9:55 amLouisville Intl
Mar 27
SDF8:05 pmLouisville Intl
7h 40m
1 stop
PDX12:45 amPortland
$487
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 January 2, 2026.
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

Tue 2/3

1:53 pm-11:06 pm

1 stop6h 13m

Louisville Intl

Wed 2/4

5:35 am-10:47 am

1 stop8h 12m

$321

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 1/28

5:00 am-5:37 pm

2 stops9h 37m

Louisville Intl

Wed 2/4

3:22 pm-9:12 pm

1 stop8h 50m

$326

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sat 2/14

11:40 pm-10:04 am

1 stop7h 24m

Louisville Intl

Sat 2/21

6:00 am-1:15 pm

1 stop10h 15m

$330

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sat 1/31

9:45 pm-9:26 am

1 stop8h 41m

Louisville Intl

Wed 2/4

3:32 pm-10:15 pm

1 stop9h 43m

$340

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 1/22

1:24 pm-10:24 pm

1 stop6h 00m

Louisville Intl

Tue 1/27

5:35 am-2:55 pm

2 stops12h 20m

$345

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 1/28

6:20 am-10:10 pm

2 stops12h 50m

Louisville Intl

Wed 2/4

6:45 am-3:40 pm

2 stops11h 55m

$350

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sat 1/31

9:45 pm-9:26 am

1 stop8h 41m

Louisville Intl

Sat 2/7

5:35 am-10:34 am

1 stop7h 59m

$359

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 2/3

11:59 am-11:50 pm

1 stop8h 51m

Louisville Intl

Thu 2/5

12:22 pm-7:13 pm

1 stop9h 51m

$370

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 1/22

8:30 am-8:28 pm

2 stops8h 58m

Louisville Intl

Tue 1/27

2:05 pm-9:12 pm

2 stops10h 07m

$371

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 2/3

11:59 am-11:50 pm

1 stop8h 51m

Louisville Intl

Sun 2/8

6:23 am-12:46 pm

1 stop9h 23m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October, then departing from Portland during the month September is also very affordable. Most momondo users find prices during this month for around $357.

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 $478 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 $395 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

Fastest flight time

6h 00m

Direct flights

None
The fastest flight from Portland to Louisville takes 6h 00m
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 00m 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 $270Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $280Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,132 reviews
Search United Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.9
8,021 reviews
Search Delta flights
Alaska AirlinesPriceFrom $506Free CancellationRating
8.0
11,598 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
Brandenburg
Springfield
Georgetown

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.

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