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$126+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PDX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Portland are usually found in September or November, booked 51 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 July 1, 2025.

Round-trip from

$231
(FlightHub)

One-way from

$126
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$516
From Louisville Intl to Portland
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One-way flight from Louisville Intl to Portland
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:05 pmSDF - PDX
1 stop16h 07mSpirit Airlines
Sun 9/217:59 pmPDX - SDF
1 stop22h 11mSpirit Airlines
Deal found 7/1$231
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/53:25 pmSDF - PDX
1 stop9h 01mUnited Airlines
Mon 8/1111:59 pmPDX - SDF
1 stop6h 58mUnited Airlines
Deal found 7/1$255
This Southwest deal was found by Cheapflights users on 6/30. 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.
Mon 8/114:20 pmSDF - PDX
2 stops9h 45mSouthwest
Thu 8/145:25 amPDX - SDF
1 stop7h 05mSouthwest
Deal found 6/30$260
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/23:30 pmSDF - PDX
1 stop8h 32mAmerican Airlines
Thu 8/77:40 amPDX - SDF
1 stop9h 19mAmerican Airlines
Deal found 7/1$302
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Mon 7/284:15 pmSDF - PDX
1 stop9h 31mMultiple Airlines
Wed 7/3010:23 amPDX - SDF
2 stops26h 13mMultiple Airlines
Deal found 7/1$306
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 8/113:11 pmSDF - PDX
1 stop10h 01mDelta
Wed 8/1312:46 amPDX - SDF
1 stop8h 12mDelta
Deal found 6/30$307

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 July 1, 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

Thu 9/18

10:05 pm-11:12 am

1 stop16h 07m

Portland

Sun 9/21

7:59 pm-9:10 pm

1 stop22h 11m

$231

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 8/5

3:25 pm-9:26 pm

1 stop9h 01m

Portland

Mon 8/11

11:59 pm-9:57 am

1 stop6h 58m

$255

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 8/11

4:20 pm-11:05 pm

2 stops9h 45m

Portland

Thu 8/14

5:25 am-3:30 pm

1 stop7h 05m

$260

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 8/2

3:30 pm-9:02 pm

1 stop8h 32m

Portland

Thu 8/7

7:40 am-7:59 pm

1 stop9h 19m

$302

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 7/28

4:15 pm-10:46 pm

1 stop9h 31m

Portland

Wed 7/30

10:23 am-3:36 pm

2 stops26h 13m

$306

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 8/11

3:11 pm-10:12 pm

1 stop10h 01m

Portland

Wed 8/13

12:46 am-11:58 am

1 stop8h 12m

$307

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 7/30

4:31 pm-9:18 am

2 stops19h 47m

$126

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 8/28

7:00 am-11:49 am

1 stop7h 49m

$128

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 9/20

12:25 pm-5:04 pm

1 stop7h 39m

$136

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 7/25

10:04 am-10:46 pm

1 stop15h 42m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 13 results
1
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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 June 27, 2025.

The best time to book flights from Louisville to Portland 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 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 July 1, 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 July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    According to our current data, Spirit Airlines ($231), United Airlines ($255), and Southwest ($260) offers the cheapest pricing from Louisville to Portland. Spirit Airlines is currently priced 49% 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 Spirit Airlines, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from United Airlines and American Airlines, 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, 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale
Gresham

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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 5 airlines flying from Louisville to Portland

Discover the top 5 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$168Average$234FlexibilityNo cancel feeOn-time65%
DeltaCheapest$270Average$457FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$415FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$358Average$468FlexibilityNo cancel feeOn-time69%

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