What’s the fastest layover option from Louisville to Portland?

Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 6h 40m.

Which airport typically offers the quickest layover for flights from Louisville to Portland?

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 58m.

What’s the top layover airport for flights from Louisville to Portland?

Chicago (ORD) – chosen by Cheapflights users on 33% of 1-stop itineraries from Louisville to Portland on Cheapflights.

What’s the cheapest layover airport for flights from Louisville to Portland?

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $292.

How long is the flight from Louisville to Portland?

Southwest and American Airlines can get you from Louisville to Portland in just under 7h 35m. Your travel time can differ by up to 1h 06m. 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.

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.

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).

What are the most popular airlines that fly from Louisville to Portland?

Southwest, American Airlines and Delta are the most popular airlines when flying from Louisville to Portland.

Most accurate provider : When it comes to deals on Louisville-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Portland flight deals on Cheapflights vs. eDreams >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.

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.

$151+ Flights from Louisville to Portland

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Find cheap flights from Louisville to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Louisville Intl to Portland are usually found in August or January, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 December 16, 2025.

Wed 12/313:18 pmSDF - PDX

1 stop8h 49mUnited Airlines

Sun 1/411:59 pmPDX - SDF

1 stop9h 07mUnited Airlines

Deal found 12/16

$612

Wed 12/311:50 pmSDF - PDX

1 stop8h 30mSouthwest

Sat 1/33:20 pmPDX - SDF

1 stop7h 25mSouthwest

Deal found 12/15

$657

Sat 12/208:05 amSDF - PDX

1 stop9h 07mAmerican Airlines

Mon 12/295:33 amPDX - SDF

1 stop8h 55mAmerican Airlines

Deal found 12/15

$857

Sat 12/202:00 pmSDF - PDX

2 stops11h 58mUnited Airlines

Mon 12/297:10 amPDX - SDF

1 stop7h 18mUnited Airlines

Deal found 12/15

$862

Sat 12/201:50 pmSDF - PDX

2 stops11h 14mAlaska Airlines

Mon 12/293:59 pmPDX - SDF

2 stops15h 35mAlaska Airlines

Deal found 12/14

$922

Wed 12/312:00 pmSDF - PDX

2 stops10h 07mUnited Airlines

Sat 1/35:00 amPDX - SDF

2 stops9h 28mUnited Airlines

Deal found 12/15

$1,027

Tue 12/166:34 pmSDF - PDX

1 stop7h 49mAmerican Airlines

Sun 12/2111:59 pmPDX - SDF

1 stop7h 09mAmerican Airlines

Deal found 12/16

$1,102

Best flights from Louisville to Portland
Discover carefully curated flight deals from Louisville to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Tue 1/136:00 amSDF - PDX

1 stop7h 35mSouthwest

Tue 1/206:00 amPDX - SDF

1 stop8h 30mSouthwest

Deal found 12/16

$316

Tue 1/137:40 amSDF - PDX

1 stop8h 41mAmerican Airlines

Tue 1/206:00 amPDX - SDF

1 stop8h 33mAmerican Airlines

Deal found 12/16

$316

Sat 1/176:23 amSDF - PDX

1 stop9h 23mDelta

Wed 1/217:37 pmPDX - SDF

2 stops10h 49mDelta

Deal found 12/16

$375

Tue 2/175:35 amSDF - PDX

1 stop9h 20mUnited Airlines

Wed 2/185:05 amPDX - SDF

1 stop6h 14mUnited Airlines

Deal found 12/15

$406

Sat 1/171:15 pmSDF - PDX

1 stop10h 02mAmerican Airlines

Wed 1/216:00 amPDX - SDF

1 stop9h 39mAmerican Airlines

Deal found 12/16

$316

Sat 1/173:22 pmSDF - PDX

2 stops12h 17mUnited Airlines

Wed 1/218:30 amPDX - SDF

2 stops8h 58mUnited Airlines

Deal found 12/16

$416

Tue 3/36:00 amSDF - PDX

1 stop9h 57mAmerican Airlines

Tue 3/1011:46 amPDX - SDF

1 stop6h 41mAmerican Airlines

Deal found 12/15

$394

Last-minute flights from Louisville to Portland
Discover last-minute flight deals from Louisville to Portland. Data last updated December 16, 2025 and is based on user searches.

Tue 1/136:00 amSDF - PDX

1 stop7h 35mSouthwest

Tue 1/206:00 amPDX - SDF

1 stop8h 30mSouthwest

Deal found 12/16

$316

Wed 1/147:40 amSDF - PDX

1 stop8h 41mAmerican Airlines

Sun 1/1811:59 pmPDX - SDF

1 stop7h 14mAmerican Airlines

Deal found 12/15

$334

Wed 1/142:05 pmSDF - PDX

1 stop7h 51mUnited Airlines

Sun 1/185:00 amPDX - SDF

2 stops12h 28mUnited Airlines

Deal found 12/16

$411

Sat 1/171:15 pmSDF - PDX

1 stop10h 02mAmerican Airlines

Tue 1/206:00 amPDX - SDF

1 stop9h 39mAmerican Airlines

Deal found 12/16

$301

Sat 1/171:15 pmSDF - PDX

1 stop10h 02mAmerican Airlines

Wed 1/216:00 amPDX - SDF

1 stop8h 33mAmerican Airlines

Deal found 12/15

$326

Sat 1/172:05 pmSDF - PDX

1 stop7h 51mUnited Airlines

Tue 1/207:45 amPDX - SDF

2 stops11h 39mUnited Airlines

Deal found 12/16

$331

Sat 1/176:23 amSDF - PDX

1 stop9h 23mDelta

Wed 1/217:37 pmPDX - SDF

2 stops10h 49mDelta

Deal found 12/16

$375

Sat 1/1711:55 amSDF - PDX

2 stops11h 00mSouthwest

Tue 1/205:05 amPDX - SDF

2 stops9h 25mSouthwest

Deal found 12/16

$376

One-way flights from Louisville to Portland
Search for one-way flight options from Louisville to Portland. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Sun 1/186:00 amSDF - PDX

1 stop7h 34mDelta

Deal found 12/15

$151

Sun 1/189:50 amSDF - PDX

2 stops11h 20mUnited Airlines

Deal found 12/15

$156

Sat 1/241:15 pmSDF - PDX

1 stop10h 02mAmerican Airlines

Deal found 12/15

$184

Sat 1/243:22 pmSDF - PDX

2 stops10h 44mUnited Airlines

Deal found 12/15

$189

Fri 1/161:55 pmSDF - PDX

2 stops48h 09mMultiple Airlines

Deal found 12/15

$194

Fri 1/167:40 amSDF - PDX

1 stop8h 41mAmerican Airlines

Deal found 12/15

$219

Sun 1/183:36 pmSDF - PDX

3 stops28h 48mMultiple Airlines

Deal found 12/15

$302

Thu 5/286:00 amSDF - PDX

2 stops14h 38mUnited Airlines

Deal found 12/15

$319

Wed 12/313:25 pmSDF - PDX

1 stop10h 34mUnited Airlines

Deal found 12/15

$379

Tue 12/302:55 pmSDF - PDX

3 stops49h 29mMultiple Airlines

Deal found 12/15

$402

Sun 12/285:05 amSDF - PDX

3 stops39h 45mMultiple Airlines

Deal found 12/15

$406

Find flight deals from Louisville to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$301 (American Airlines)
One-way from	$151 (Delta)
Popular in	December
Cheapest in	August
Average price	$557

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. 7% potential increase in price ($38 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 1/13

6:00 am-10:35 am

1 stop7h 35m

Portland

Tue 1/20

6:00 am-5:30 pm

1 stop8h 30m

$316

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 1/13

7:40 am-1:21 pm

1 stop8h 41m

Portland

Tue 1/20

6:00 am-5:33 pm

1 stop8h 33m

$316

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/17

1:15 pm-8:17 pm

1 stop10h 02m

Portland

Wed 1/21

6:00 am-6:39 pm

1 stop9h 39m

$316

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/17

6:23 am-12:46 pm

1 stop9h 23m

Portland

Wed 1/21

7:37 pm-9:26 am

2 stops10h 49m

$375

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 3/3

6:00 am-12:57 pm

1 stop9h 57m

Portland

Tue 3/10

11:46 am-9:27 pm

1 stop6h 41m

$394

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 2/17

5:35 am-11:55 am

1 stop9h 20m

Portland

Wed 2/18

5:05 am-2:19 pm

1 stop6h 14m

$406

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/17

3:22 pm-12:39 am

2 stops12h 17m

Portland

Wed 1/21

8:30 am-8:28 pm

2 stops8h 58m

$416

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sun 1/18

6:00 am-10:34 am

1 stop7h 34m

$151

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 1/24

3:22 pm-11:06 pm

2 stops10h 44m

$189

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Fri 1/16

1:55 pm-11:04 am

2 stops48h 09m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 17 results

Compare providers for flights from Louisville to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Portland in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Portland flight deals on Cheapflights vs. eDreams >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

Prices

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

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 $249). 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?

It’s optimal to fly from Louisville to Portland at noon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

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

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

Reviews of airlines servicing Portland

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

7.9

Good

4,250 reviews

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

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

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

8,008 reviews

Southwest

7.9

Good

4,250 reviews

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

9,092 reviews

Southwest

7.9

Good

4,250 reviews

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

11,049 reviews

Southwest

7.9

Good

4,250 reviews

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

How long is the flight from Louisville to Portland?
Southwest and American Airlines can get you from Louisville to Portland in just under 7h 35m. Your travel time can differ by up to 1h 06m. 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 $249). 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.

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Complete your trip

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Other flights to Portland

Top 4 airlines flying from Louisville to Portland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$245	Average$484	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$292	Average$498	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$298	Average$503	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$299	Average$431	FlexibilityNo cancel fee	On-time71%

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$151+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Louisville Intl to Portland are usually found in August or January, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Louisville to Portland

Cheapest flights from Louisville to PortlandExplore 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 December 16, 2025.

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 December 16, 2025.

Find flight deals from Louisville to Portland

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Portland that are best for you.

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 December.

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.

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?

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

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

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

What’s the top layover airport for flights from Louisville to Portland?

What’s the cheapest layover airport for flights from Louisville to Portland?

What’s the fastest layover option from Louisville to Portland?

Which airport typically offers the quickest layover for flights from Louisville to Portland?

Reviews of airlines servicing Portland

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.

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?

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

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

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

How can I find direct flights from Louisville to Portland?

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

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

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Portland

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Top 4 airlines flying from Louisville to Portland

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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 December 16, 2025.