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Portland

$175+ Cheap flights from Louisville to Portland (SDF - PDX)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PDX
lut 19 — lut 261
czw. 2/19
czw. 2/26
1 adult, Economy
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Cheap flight deals from Louisville to Portland

Cheapest flights from Louisville to Portland
Explore the most affordable flight options available from Louisville to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Styczeń 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
sob. 5/23:30 pm
SDF
-
PDX
1 stop10h 29m
United Airlines
śr. 5/611:55 pm
PDX
-
SDF
1 stop6h 46m
United Airlines
Deal found 1/20$340
This Delta deal was found by Cheapflights users on 1/19. 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.
wt. 2/176:23 am
SDF
-
PDX
1 stop9h 21m
Delta
pon. 2/239:45 pm
PDX
-
SDF
1 stop8h 43m
Delta
Deal found 1/19$359
This United Airlines deal was found by Cheapflights users on 1/18. 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.
czw. 2/195:35 am
SDF
-
PDX
1 stop9h 20m
United Airlines
śr. 2/258:30 am
PDX
-
SDF
2 stops10h 43m
United Airlines
Deal found 1/18$364
This Southwest deal was found by Cheapflights users on 1/20. 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.
wt. 3/36:00 am
SDF
-
PDX
1 stop7h 35m
Southwest
ndz. 3/811:55 pm
PDX
-
SDF
1 stop7h 00m
Southwest
Deal found 1/20$379
This Delta deal was found by Cheapflights users on 1/19. 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.
pt. 2/206:23 am
SDF
-
PDX
1 stop9h 21m
Delta
pon. 2/239:45 pm
PDX
-
SDF
1 stop8h 43m
Delta
Deal found 1/19$389
This American Airlines deal was found by Cheapflights users on 1/17. 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.
pon. 5/115:42 pm
SDF
-
PDX
1 stop8h 07m
American Airlines
pt. 5/1511:59 pm
PDX
-
SDF
1 stop15h 33m
American Airlines
Deal found 1/17$390
This American Airlines deal was found by Cheapflights users on 1/18. 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.
czw. 3/196:00 am
SDF
-
PDX
1 stop8h 07m
American Airlines
pon. 3/2311:59 pm
PDX
-
SDF
1 stop8h 16m
American Airlines
Deal found 1/18$398
This Southwest deal was found by Cheapflights users on 1/19. 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.
pt. 4/173:40 pm
SDF
-
PDX
2 stops10h 00m
Southwest
pon. 4/205:10 am
PDX
-
SDF
1 stop6h 50m
Southwest
Deal found 1/19$403
This Delta deal was found by Cheapflights users on 1/19. 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.
wt. 2/173:33 pm
SDF
-
PDX
1 stop9h 35m
Delta
śr. 2/255:45 am
PDX
-
SDF
2 stops15h 13m
Delta
Deal found 1/19$406

Find flight deals from Louisville to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Portland (PDX). 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 Styczeń 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$359
(Delta)

One-way from

$175
(Southwest)

Popular in

November

Cheapest in

August

Average price

$466
Provider with most accurate pricing for Louisville Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Portland flights.
Search Deals
From Louisville Intl to Portland
Search Deals
One-way flight from Louisville Intl to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Portland 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 Styczeń 20, 2026.
Use the filters below to find and compare flights from Louisville to Portland that are best for you.

Fly from

Louisville

Fly to

Portland

Route

Depart

Return

Price

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

sob. 5/2

7:15 am-2:57 pm

2 stops10h 42m

Portland

śr. 5/6

11:55 pm-9:41 am

1 stop6h 46m

$345

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

czw. 2/19

3:15 pm-9:15 pm

1 stop9h 00m

Portland

śr. 2/25

10:56 am-10:13 pm

1 stop8h 17m

$359

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

wt. 3/3

6:00 am-10:35 am

1 stop7h 35m

Portland

ndz. 3/8

11:55 pm-9:55 am

1 stop7h 00m

$379

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

pt. 2/20

6:23 am-12:44 pm

1 stop9h 21m

Portland

pon. 2/23

9:45 pm-9:28 am

1 stop8h 43m

$389

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

pon. 2/2

3:22 pm-11:06 pm

2 stops10h 44m

Portland

czw. 2/5

1:24 pm-10:24 pm

1 stop6h 00m

$424

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

śr. 2/4

3:22 pm-12:39 am

2 stops12h 17m

Portland

ndz. 2/8

5:00 am-2:26 pm

1 stop6h 26m

$424

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

śr. 4/8

6:40 pm-10:00 pm

1 stop6h 20m

Portland

ndz. 4/12

11:55 pm-9:55 am

1 stop7h 00m

$428

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

wt. 6/9

7:25 pm-11:34 pm

1 stop7h 09m

Portland

czw. 6/25

9:45 pm-9:55 am

1 stop9h 10m

$437

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

pt. 6/12

7:25 pm-11:34 pm

1 stop7h 09m

Portland

śr. 6/24

9:45 pm-9:55 am

1 stop9h 10m

$437

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

ndz. 4/26

6:40 pm-1:15 am

1 stop9h 35m

Portland

ndz. 5/3

2:00 pm-12:50 am

1 stop7h 50m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 16 results
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Compare providers for flights from Louisville to Portland

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 Louisville to Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Louisville-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Portland flights, Cheapflights users trust Expedia the most. Expedia 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 Louisville-Portland 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 Louisville to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Louisville 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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Portland. Price data was last updated on January 16, 2026.

The best time to book flights from Louisville to Portland is 40 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 Louisville to Portland?

Currently, August is the cheapest month in which you can book a flight from Louisville to Portland (average of $96). Flying from Louisville to Portland in January is currently the most expensive (average of $259). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated Styczeń 20, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Louisville to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,076 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,180 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,164 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • How long is the flight from Louisville to Portland?

    United Airlines, American Airlines, and Southwest can get you from Louisville to Portland in just under 6h 20m. Your travel time can differ by up to 2h 40m. Louisville and Portland are separated by a distance of 1944 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Delta ($149), United Airlines ($238), and Southwest ($298) offers the cheapest pricing from Louisville to Portland. Delta is currently priced 68% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $142. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Louisville to Portland for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Portland 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 Louisville to Portland?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Portland (average of $96). Flying from Louisville to Portland in January is currently the most expensive (average of $259). 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
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Louisville to Portland

Discover the top 4 airlines that operate flights from Louisville to Portland. 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 Styczeń 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$454FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$492FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$500FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$299Average$437FlexibilityNo cancel feeOn-time71%

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