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Cheap flights from Portland to Louisville from $121

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 12/11. 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.
United Airlines Logo
10:50 am - 10:29 pmPDX-SDF
8h 39m1 stop
United Airlines Logo
7:00 am - 11:48 amSDF-PDX
7h 48m1 stop
$305United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
1:14 pm - 10:10 pmPDX-SDF
5h 56m1 stop
United Airlines Logo
7:00 am - 2:47 pmSDF-PDX
10h 47m2 stops
$310United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
12:32 am - 11:57 amPDX-SDF
8h 25m1 stop
Delta Logo
3:18 pm - 10:19 pmSDF-PDX
10h 01m1 stop
$313Delta
Find Deal
Tue, Dec 2 - Wed, Dec 10
Southwest Logo
6:15 am - 4:35 pmPDX-SDF
7h 20m1 stop
Southwest Logo
5:50 pm - 10:30 pmSDF-PDX
7h 40m1 stop
$321Southwest
Find Deal
Tue, Dec 9 - Tue, Dec 9
Delta Logo
10:10 pm - 9:50 amPDX-SDF
8h 40m1 stop
Delta Logo
6:00 am - 10:44 amSDF-PDX
7h 44m1 stop
$332Delta
Find Deal
Thu, Dec 4 - Wed, Dec 10
Delta Logo
12:32 am - 11:57 amPDX-SDF
8h 25m1 stop
Delta Logo
3:16 pm - 10:19 pmSDF-PDX
10h 03m1 stop
$340Delta
Find Deal
Tue, Dec 2 - Mon, Dec 8
American Airlines Logo
12:59 am - 1:12 pmPDX-SDF
9h 13m1 stop
American Airlines Logo
7:12 am - 12:59 pmSDF-PDX
8h 47m1 stop
$344American Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 9
Southwest Logo
5:00 am - 4:35 pmPDX-SDF
8h 35m2 stops
Southwest Logo
5:50 pm - 10:30 pmSDF-PDX
7h 40m1 stop
$345Southwest
Find Deal
Tue, Dec 9 - Tue, Dec 9
United Airlines Logo
5:00 am - 2:30 pmPDX-SDF
6h 30m1 stop
United Airlines Logo
9:00 am - 6:06 pmSDF-PDX
12h 06m2 stops
$349United Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
11:54 am - 10:58 pmPDX-SDF
8h 04m1 stop
Delta Logo
3:16 pm - 10:19 pmSDF-PDX
10h 03m1 stop
$359Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8

United Airlines flights from Portland to Louisville

Our best United Airlines deals on Portland to Louisville flight tickets
United Airlines
Dec 10
PDX10:50 amPortland
8h 39m
1 stop
SDF10:29 pmLouisville Intl
Dec 17
SDF7:00 amLouisville Intl
7h 48m
1 stop
PDX11:48 amPortland
$305
Find similar
United Airlines
Dec 10
PDX1:14 pmPortland
5h 56m
1 stop
SDF10:10 pmLouisville Intl
Dec 17
SDF7:00 amLouisville Intl
10h 47m
2 stops
PDX2:47 pmPortland
$310
Find similar
United Airlines
Dec 2
PDX5:00 amPortland
6h 30m
1 stop
SDF2:30 pmLouisville Intl
Dec 9
SDF9:00 amLouisville Intl
12h 06m
2 stops
PDX6:06 pmPortland
$349
Find similar

Delta flights from Portland to Louisville

Our best Delta deals on Portland to Louisville flight tickets
Delta
Dec 2
PDX12:32 amPortland
8h 25m
1 stop
SDF11:57 amLouisville Intl
Dec 10
SDF3:18 pmLouisville Intl
10h 01m
1 stop
PDX10:19 pmPortland
$313
Find similar
Delta
Dec 4
PDX10:10 pmPortland
8h 40m
1 stop
SDF9:50 amLouisville Intl
Dec 10
SDF6:00 amLouisville Intl
7h 44m
1 stop
PDX10:44 amPortland
$332
Find similar
Delta
Dec 2
PDX12:32 amPortland
8h 25m
1 stop
SDF11:57 amLouisville Intl
Dec 8
SDF3:16 pmLouisville Intl
10h 03m
1 stop
PDX10:19 pmPortland
$340
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 November 13, 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

Wed 12/10

10:50 am-10:29 pm

1 stop8h 39m

Louisville Intl

Wed 12/17

7:00 am-11:48 am

1 stop7h 48m

$305

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 12/10

1:14 pm-10:10 pm

1 stop5h 56m

Louisville Intl

Wed 12/17

7:00 am-2:47 pm

2 stops10h 47m

$310

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/2

12:32 am-11:57 am

1 stop8h 25m

Louisville Intl

Wed 12/10

3:18 pm-10:19 pm

1 stop10h 01m

$313

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/9

6:15 am-4:35 pm

1 stop7h 20m

Louisville Intl

Tue 12/9

5:50 pm-10:30 pm

1 stop7h 40m

$321

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 12/4

10:10 pm-9:50 am

1 stop8h 40m

Louisville Intl

Wed 12/10

6:00 am-10:44 am

1 stop7h 44m

$332

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/2

12:32 am-11:57 am

1 stop8h 25m

Louisville Intl

Mon 12/8

3:16 pm-10:19 pm

1 stop10h 03m

$340

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Mon 12/1

12:59 am-1:12 pm

1 stop9h 13m

Louisville Intl

Tue 12/9

7:12 am-12:59 pm

1 stop8h 47m

$344

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/9

5:00 am-4:35 pm

2 stops8h 35m

Louisville Intl

Tue 12/9

5:50 pm-10:30 pm

1 stop7h 40m

$345

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/2

5:00 am-2:30 pm

1 stop6h 30m

Louisville Intl

Tue 12/9

9:00 am-6:06 pm

2 stops12h 06m

$349

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 12/4

11:54 am-10:58 pm

1 stop8h 04m

Louisville Intl

Mon 12/8

3:16 pm-10:19 pm

1 stop10h 03m

$359

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.

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 $470 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 $391 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. 5h 56m 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
American AirlinesPriceFrom $280Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $299Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $306Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $541Free CancellationRating
8.0
11,288 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
Elizabeth
Corydon
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.

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