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$172+ Cheap flights from Portland to Louisville (PDX - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SDF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Portland to Louisville Intl are usually found in August or January, booked 51 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Portland to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Mytrip)

One-way from

$172
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$464
Provider with most accurate pricing for Portland-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Louisville Intl flights.
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From Portland to Louisville Intl
Search Deals
One-way flight from Portland to Louisville Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portland to Louisville

Cheapest flights from Portland to Louisville
Explore the most affordable flight options available from Portland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:13 pmPDX - SDF
2 stops25h 45mSpirit Airlines
Fri 4/45:33 pmSDF - PDX
2 stops21h 52mSpirit Airlines
Deal found 2/20$299
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:15 amPDX - SDF
2 stops32h 43mMultiple Airlines
Fri 4/43:25 pmSDF - PDX
2 stops21h 55mMultiple Airlines
Deal found 2/20$308
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/611:05 pmPDX - SDF
1 stop7h 39mDelta
Mon 3/104:59 pmSDF - PDX
1 stop7h 47mDelta
Deal found 2/20$343
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:35 amPDX - SDF
1 stop7h 01mAmerican Airlines
Sat 4/197:20 amSDF - PDX
1 stop8h 40mAmerican Airlines
Deal found 2/20$347
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:35 pmPDX - SDF
1 stop6h 15mSouthwest
Sun 8/317:15 amSDF - PDX
2 stops12h 05mSouthwest
Deal found 2/20$422
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:53 pmPDX - SDF
2 stops11h 05mUnited Airlines
Mon 3/171:50 pmSDF - PDX
2 stops12h 05mUnited Airlines
Deal found 2/20$444
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/301:25 pmPDX - SDF
2 stops18h 13mAlaska Airlines
Sun 4/611:14 amSDF - PDX
1 stop9h 45mAlaska Airlines
Deal found 2/20$582

Find flights from Portland to Louisville within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Portland

Fly to

Louisville

Route

Depart

Return

Price

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 4/2

6:13 pm-10:58 pm

2 stops25h 45m

Louisville Intl

Fri 4/4

5:33 pm-12:25 pm

2 stops21h 52m

$299

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 4/2

11:15 am-10:58 pm

2 stops32h 43m

Louisville Intl

Fri 4/4

3:25 pm-10:20 am

2 stops21h 55m

$308

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 3/6

11:05 pm-9:44 am

1 stop7h 39m

Louisville Intl

Mon 3/10

4:59 pm-9:46 pm

1 stop7h 47m

$343

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sat 4/12

7:35 am-5:36 pm

1 stop7h 01m

Louisville Intl

Sat 4/19

7:20 am-1:00 pm

1 stop8h 40m

$347

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 3/6

10:53 pm-12:58 pm

2 stops11h 05m

Louisville Intl

Mon 3/17

1:50 pm-10:55 pm

2 stops12h 05m

$444

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Thu 5/29

5:30 am-4:15 pm

1 stop7h 45m

Louisville Intl

Sun 6/1

6:35 am-2:15 pm

2 stops10h 40m

$492

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sun 3/30

1:25 pm-10:38 am

2 stops18h 13m

Louisville Intl

Sun 4/6

11:14 am-5:59 pm

1 stop9h 45m

$582

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 4/9

11:59 pm-10:25 am

1 stop7h 26m

$172

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Sun 4/27

7:01 pm-10:17 pm

3 stops24h 16m

$204

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Wed 4/9

7:23 am-11:11 pm

2 stops12h 48m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 13 results
1
2

Compare providers for flights from Portland to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Louisville in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Louisville

Get recent, data-driven insights about flights from Portland to Louisville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Louisville. Price data was last updated on February 14, 2025.

The best time to book flights from Portland to Louisville is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Louisville?

Currently, January is the cheapest month in which you can book a flight from Portland to Louisville (average of $299). Flying from Portland to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to SDF?

Find hourly flight availability from Portland to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s typically best to fly out from Portland to Louisville in the afternoon. Doing so could potentially save you 55% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Portland to Louisville to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Portland to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Louisville round-trip?

    According to our current data, Spirit Airlines ($299), Delta ($343), and American Airlines ($347) offers the cheapest pricing from Portland to Louisville. You may be able to fly from Portland to Louisville for 42% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Louisville one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $172. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Portland to Louisville for a low price.

  • Can I find deals for flights from Portland to Louisville that include hotel bookings?

    Yes. In addition to deals on Portland to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Louisville.

  • Can I find deals for business class flights from Portland to Louisville?

    Yes. Cheapflights offers flight deals from Portland to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Portland to Louisville (average of $299). Flying from Portland to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Jeffersonville
Corydon
Elizabethtown
Bardstown

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Top 6 airlines flying from Portland to Louisville

Discover the top 6 airlines that operate flights from Portland to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$191Average$249FlexibilityNo cancel feeOn-time65%
DeltaCheapest$325Average$492FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$339Average$501FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$361Average$456FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$381Average$557FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$485Average$704FlexibilityNo cancel feeOn-time75%
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