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$147+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PDX
May 5 — May 121
Mon 5/5
Mon 5/12
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 64 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(American Airlines)

One-way from

$147
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$464
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 April 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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 8/2110:54 amSDF - PDX
1 stop8h 56mAmerican Airlines
Wed 8/277:40 amPDX - SDF
1 stop6h 51mAmerican Airlines
Deal found 4/29$314
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 6/2012:10 pmSDF - PDX
1 stop13h 36mMultiple Airlines
Mon 6/2312:12 pmPDX - SDF
2 stops27h 22mMultiple Airlines
Deal found 4/29$326
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 6/2011:04 amSDF - PDX
3 stops27h 13mSpirit Airlines
Mon 6/2312:12 pmPDX - SDF
2 stops27h 22mSpirit Airlines
Deal found 4/29$328
This Sun Country Air deal was found by Cheapflights users on 4/29. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:45 pmSDF - PDX
1 stop25h 55mSun Country Air
Sun 7/1311:59 pmPDX - SDF
1 stop10h 13mSun Country Air
Deal found 4/29$340
This Southwest deal was found by Cheapflights users on 4/29. 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 8/215:20 pmSDF - PDX
1 stop9h 50mSouthwest
Wed 8/278:15 amPDX - SDF
2 stops11h 25mSouthwest
Deal found 4/29$348
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 6/103:04 pmSDF - PDX
1 stop9h 58mDelta
Sat 6/1412:52 amPDX - SDF
1 stop8h 12mDelta
Deal found 4/29$351
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/157:00 amSDF - PDX
1 stop7h 44mUnited Airlines
Tue 5/2012:55 pmPDX - SDF
1 stop6h 17mUnited Airlines
Deal found 4/29$401
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/25:17 pmSDF - PDX
1 stop19h 06mAlaska Airlines
Tue 6/175:35 pmPDX - SDF
2 stops13h 53mAlaska Airlines
Deal found 4/29$533

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 April 30, 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 8/21

10:54 am-4:50 pm

1 stop8h 56m

Portland

Wed 8/27

7:40 am-5:31 pm

1 stop6h 51m

$314

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 6/20

12:10 pm-10:46 pm

1 stop13h 36m

Portland

Mon 6/23

12:12 pm-6:34 pm

2 stops27h 22m

$326

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 6/20

11:04 am-11:17 am

3 stops27h 13m

Portland

Mon 6/23

12:12 pm-6:34 pm

2 stops27h 22m

$328

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 7/4

6:45 pm-5:40 pm

1 stop25h 55m

Portland

Sun 7/13

11:59 pm-1:12 pm

1 stop10h 13m

$340

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 8/21

5:20 pm-12:10 am

1 stop9h 50m

Portland

Wed 8/27

8:15 am-10:40 pm

2 stops11h 25m

$348

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 6/10

3:04 pm-10:02 pm

1 stop9h 58m

Portland

Sat 6/14

12:52 am-12:04 pm

1 stop8h 12m

$351

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 5/15

7:00 am-11:44 am

1 stop7h 44m

Portland

Tue 5/20

12:55 pm-10:12 pm

1 stop6h 17m

$401

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 6/2

5:17 pm-9:23 am

1 stop19h 06m

Portland

Tue 6/17

5:35 pm-10:28 am

2 stops13h 53m

$533

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 6/20

12:10 pm-10:46 pm

1 stop13h 36m

$163

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 9/20

12:27 pm-8:26 pm

1 stop10h 59m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust 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 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 eDreams the most. eDreams 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 April 25, 2025.

The best time to book flights from Louisville to Portland is 64 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 April 30, 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.

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Louisville to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

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, American Airlines ($314), Spirit Airlines ($339), and Sun Country Air ($340) offers the cheapest pricing from Louisville to Portland. American Airlines is currently priced 31% 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 $147. However, be on the lookout for offers from Sun Country Air 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
Beaverton
Lincoln City
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

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Top 6 airlines flying from Louisville to Portland

Discover the top 6 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$168Average$309FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$207Average$314FlexibilityNo cancel feeOn-time83%
DeltaCheapest$326Average$495FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$343Average$444FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$367Average$472FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$391Average$513FlexibilityNo cancel feeOn-time63%

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