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Cheap flights from Portland to Louisville from $165

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 6/30. 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.
American Airlines Logo
11:15 pm - 10:03 am
PDX
-
SDF
7h 48m
1 stop
American Airlines Logo
7:10 pm - 12:05 am
SDF
-
PDX
7h 55m
1 stop
$329American Airlines
Wed, Jul 8 - Wed, Jul 15
Southwest Logo
5:50 am - 3:35 pm
PDX
-
SDF
6h 45m
1 stop
Southwest Logo
8:15 am - 3:25 pm
SDF
-
PDX
10h 10m
2 stops
$347Southwest
Tue, Jul 28 - Wed, Aug 5
Delta Logo
2:10 pm - 12:32 am
PDX
-
SDF
7h 22m
1 stop
Delta Logo
7:51 pm - 11:18 pm
SDF
-
PDX
6h 27m
1 stop
$375Delta
Wed, Jun 24 - Fri, Jul 3
Southwest Logo
11:30 pm - 12:00 pm
PDX
-
SDF
9h 30m
2 stops
Southwest Logo
4:15 pm - 7:55 pm
SDF
-
PDX
6h 40m
1 stop
$389Southwest
Wed, Jul 8 - Wed, Jul 15
Delta Logo
11:39 am - 10:50 pm
PDX
-
SDF
8h 11m
1 stop
Delta Logo
7:25 pm - 11:34 pm
SDF
-
PDX
7h 09m
1 stop
$393Delta
Wed, Sep 9 - Sun, Sep 13
Delta Logo
9:45 pm - 8:51 am
PDX
-
SDF
8h 06m
1 stop
Delta Logo
6:36 am - 12:54 pm
SDF
-
PDX
9h 18m
1 stop
$397Delta
Wed, Sep 16 - Sat, Sep 19
Southwest Logo
5:50 am - 5:25 pm
PDX
-
SDF
8h 35m
1 stop
Southwest Logo
1:00 pm - 7:10 pm
SDF
-
PDX
9h 10m
2 stops
$398Southwest
Thu, Jul 16 - Tue, Jul 21
Southwest Logo
11:50 am - 12:25 am
PDX
-
SDF
9h 35m
2 stops
Southwest Logo
4:15 pm - 10:35 pm
SDF
-
PDX
9h 20m
2 stops
$403Southwest
Thu, Jul 23 - Tue, Jul 28
Southwest Logo
7:55 am - 4:35 pm
PDX
-
SDF
5h 40m
1 stop
Southwest Logo
8:10 pm - 12:15 am
SDF
-
PDX
7h 05m
1 stop
$406Southwest
Fri, Oct 16 - Mon, Oct 19
Southwest Logo
7:25 am - 12:25 am
PDX
-
SDF
14h 00m
2 stops
Southwest Logo
1:00 pm - 7:10 pm
SDF
-
PDX
9h 10m
2 stops
$409Southwest
Thu, Jul 16 - Tue, Jul 21

Delta flights from Portland to Louisville

Our best Delta deals on Portland to Louisville flight tickets
Delta
Jun 24
PDX2:10 pmPortland
7h 22m
1 stop
SDF12:32 amLouisville Intl
Jul 4
SDF6:49 amLouisville Intl
6h 51m
1 stop
PDX10:40 amPortland
$375
Delta
Jun 24
PDX2:10 pmPortland
7h 22m
1 stop
SDF12:32 amLouisville Intl
Jun 29
SDF5:59 pmLouisville Intl
8h 19m
1 stop
PDX11:18 pmPortland
$393
Delta
Jul 2
PDX12:33 amPortland
8h 24m
1 stop
SDF11:57 amLouisville Intl
Jul 6
SDF7:51 pmLouisville Intl
6h 27m
1 stop
PDX11:18 pmPortland
$430

American Airlines flights from Portland to Louisville

Our best American Airlines deals on Portland to Louisville flight tickets
American Airlines
Jul 8
PDX11:15 pmPortland
7h 48m
1 stop
SDF10:03 amLouisville Intl
Jul 15
SDF7:10 pmLouisville Intl
7h 55m
1 stop
PDX12:05 amPortland
$329
American Airlines
Jun 9
PDX10:59 pmPortland
8h 36m
1 stop
SDF10:35 amLouisville Intl
Jun 14
SDF7:48 pmLouisville Intl
8h 02m
1 stop
PDX12:50 amPortland
$423
American Airlines
Jun 22
PDX10:59 pmPortland
8h 36m
1 stop
SDF10:35 amLouisville Intl
Jun 29
SDF7:48 pmLouisville Intl
8h 02m
1 stop
PDX12:50 amPortland
$457

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 May 23, 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

Cheapest round-trip

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 7/8

11:15 pm-10:03 am

1 stop7h 48m

Louisville Intl

Wed 7/15

7:10 pm-12:05 am

1 stop7h 55m

$329

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 7/28

5:50 am-3:35 pm

1 stop6h 45m

Louisville Intl

Wed 8/5

8:15 am-3:25 pm

2 stops10h 10m

$347

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 6/24

2:10 pm-12:32 am

1 stop7h 22m

Louisville Intl

Fri 7/3

7:51 pm-11:18 pm

1 stop6h 27m

$375

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 7/8

11:30 pm-12:00 pm

2 stops9h 30m

Louisville Intl

Wed 7/15

4:15 pm-7:55 pm

1 stop6h 40m

$389

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 9/9

11:39 am-10:50 pm

1 stop8h 11m

Louisville Intl

Sun 9/13

7:25 pm-11:34 pm

1 stop7h 09m

$393

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 9/16

9:45 pm-8:51 am

1 stop8h 06m

Louisville Intl

Sat 9/19

6:36 am-12:54 pm

1 stop9h 18m

$397

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 7/16

5:50 am-5:25 pm

1 stop8h 35m

Louisville Intl

Tue 7/21

1:00 pm-7:10 pm

2 stops9h 10m

$398

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 7/23

11:50 am-12:25 am

2 stops9h 35m

Louisville Intl

Tue 7/28

4:15 pm-10:35 pm

2 stops9h 20m

$403
Quickest round-trip

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Fri 10/16

7:55 am-4:35 pm

1 stop5h 40m

Louisville Intl

Mon 10/19

8:10 pm-12:15 am

1 stop7h 05m

$406

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 7/16

7:25 am-12:25 am

2 stops14h 00m

Louisville Intl

Tue 7/21

1:00 pm-7:10 pm

2 stops9h 10m

$409

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 typical price of a round-trip flight between Portland and Louisville?

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 $352.

How far in advance should I book a flight from Portland 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 $462 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 $384 on momondo.

How have Portland to Louisville flight prices changed over time?

As of May 2026, prices for Portland to Louisville flights are approximately 63% more expensive when compared to flights at the same time last year.

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 40m

Direct flights

None
The fastest flight from Portland to Louisville takes 6h 40m
There are no direct flights from Portland to Louisville. There are no popular flight routes from Portland to Louisville.
Search flight deals

Frequently asked questions about flying from Portland to Louisville

  • How far is Portland to Louisville Intl by plane?

    The distance between Portland and Louisville Intl is about 1944.5 mi. 6h 40m 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 $260Free CancellationRating
7.9
4,276 reviews
Search Southwest flights
American AirlinesPriceFrom $280Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,444 reviews
Search Delta flights
United AirlinesPriceFrom $320Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights

Traveling to a place near Louisville?

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

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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