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$238+ Cheap flights from Louisville to Portland (SDF - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PDX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Portland are usually found in August or November, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 September 15, 2025.

Round-trip from

$238
(Delta)

Popular in

June

Cheapest in

August

Average price

$416
From Louisville Intl to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 11/87:00 amSDF - PDX
1 stop8h 50mDelta
Tue 11/1112:35 amPDX - SDF
1 stop8h 22mDelta
Deal found 9/12$238
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:00 amSDF - PDX
1 stop7h 56mAmerican Airlines
Tue 10/2111:48 amPDX - SDF
1 stop7h 37mAmerican Airlines
Deal found 9/14$317
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/86:34 pmSDF - PDX
1 stop7h 52mAmerican Airlines
Wed 11/1211:43 amPDX - SDF
1 stop8h 12mAmerican Airlines
Deal found 9/12$328
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 10/233:46 pmSDF - PDX
1 stop8h 18mAmerican Airlines
Mon 10/271:51 pmPDX - SDF
1 stop7h 02mAmerican Airlines
Deal found 9/13$351
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/49:00 amSDF - PDX
2 stops11h 52mUnited Airlines
Sat 11/85:00 amPDX - SDF
1 stop6h 19mUnited Airlines
Deal found 9/13$356
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/143:30 pmSDF - PDX
2 stops10h 15mUnited Airlines
Tue 10/2112:53 pmPDX - SDF
1 stop6h 37mUnited Airlines
Deal found 9/14$361
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:55 pmSDF - PDX
2 stops23h 53mMultiple Airlines
Sun 10/2611:36 amPDX - SDF
1 stop23h 26mMultiple Airlines
Deal found 9/13$366
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/169:44 amSDF - PDX
1 stop10h 19mAmerican Airlines
Sun 10/1911:58 pmPDX - SDF
1 stop6h 25mAmerican Airlines
Deal found 9/12$373
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/226:00 amSDF - PDX
1 stop7h 16mDelta
Sat 10/2512:40 amPDX - SDF
1 stop8h 16mDelta
Deal found 9/14$377

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 September 15, 2025.
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

Sat 11/8

7:00 am-12:50 pm

1 stop8h 50m

Portland

Tue 11/11

12:35 am-11:57 am

1 stop8h 22m

$238

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/17

11:13 am-8:24 pm

1 stop12h 11m

Portland

Wed 1/21

7:59 am-5:24 pm

1 stop6h 25m

$295

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 11/4

7:00 am-12:50 pm

1 stop8h 50m

Portland

Fri 11/7

12:40 am-11:56 am

1 stop8h 16m

$334

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 10/22

6:46 pm-11:29 pm

1 stop7h 43m

Portland

Sun 10/26

11:59 pm-12:02 pm

1 stop9h 03m

$377

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 10/23

3:46 pm-9:04 pm

1 stop8h 18m

Portland

Sun 10/26

11:58 pm-9:23 am

1 stop6h 25m

$394

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 10/7

3:30 pm-10:45 pm

2 stops10h 15m

Portland

Sat 10/11

7:00 am-5:13 pm

1 stop7h 13m

$401

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 9/22

11:17 am-11:11 am

3 stops26h 54m

$253

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/23

8:23 am-11:11 am

2 stops29h 48m

$300

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/23

8:23 am-10:34 pm

3 stops41h 11m

$305

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/23

1:40 pm-9:37 pm

1 stop10h 57m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
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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 September 12, 2025.

The best time to book flights from Louisville to Portland is 65 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, November is the cheapest month in which you can book a flight from Louisville to Portland (average of $277). Flying from Louisville to Portland in March is currently the most expensive (average of $368). 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 SDF to PDX?

Find hourly flight availability from Louisville to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

It’s optimal to fly from Louisville to Portland at noon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Louisville to Portland?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Portland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to Portland flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
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
4,242 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    Delta, American Airlines, and United Airlines can get you from Louisville to Portland in just under 7h 48m. Your travel time can differ by up to 4h 23m. 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 ($254), Southwest ($298), and American Airlines ($307) offers the cheapest pricing from Louisville to Portland. Delta is currently priced 43% below the average price you’ll pay for this route.

  • 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, November is the cheapest month in which you can book a flight from Louisville to Portland (average of $277). Flying from Louisville to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$457FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$298Average$474FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$307Average$427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$484FlexibilityNo cancel feeOn-time69%

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