Which airport is the most popular layover for flights between Louisville and Portland?

Chicago (MDW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Louisville to Portland?

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 6h 55m.

What airlines fly to Portland?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Portland from Louisville according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Louisville to Portland?

Chicago (ORD) has the shortest average layover time for this route: 0h 54m.

What is the cheapest airline that flies from Louisville Intl to Portland?

Delta, Southwest, and United Airlines are the most popular carriers operating from Louisville Intl to Portland

Which layover airport offers the lowest fares from Louisville to Portland?

Flights via Chicago (ORD) offer the lowest average round-trip price of $456.

When did momondo last update prices for flights from Louisville Intl Airport to Portland Airport?

Prices for flights from Louisville Intl Airport to Portland Airport refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Portland Airport?

There are 4 operators available for flights from Louisville Intl Airport to Portland Airport as of October 2026.

How old do you have to be to fly from Louisville Intl Airport to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$156 Cheap Flights from Louisville to Portland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 1:10 pmSDF Louisville Intl-PDX Portland

9h 20m1 stop Denver Intl

6:30 am - 6:55 pmPDX Portland-SDF Louisville Intl

9h 25m1 stop Phoenix Sky Harbor Intl

$311Southwest

Thu, Dec 3 - Tue, Dec 8

6:00 am - 10:41 amSDF Louisville Intl-PDX Portland

7h 41m1 stop Atlanta Hartsfield-Jackson

6:50 am - 4:53 pmPDX Portland-SDF Louisville Intl

7h 03m1 stop Atlanta Hartsfield-Jackson

$311Delta

Tue, Nov 24 - Tue, Dec 1

7:00 am - 11:47 amSDF Louisville Intl-PDX Portland

7h 47m1 stop Chicago O'Hare Intl

7:00 am - 8:23 pmPDX Portland-SDF Louisville Intl

10h 23m1 stop Houston George Bush Intcntl

$311United Airlines

Thu, Nov 26 - Thu, Dec 3

5:57 pm - 10:27 pmSDF Louisville Intl-PDX Portland

7h 30m1 stop Chicago O'Hare Intl

5:00 am - 2:17 pmPDX Portland-SDF Louisville Intl

6h 17m1 stop Denver Intl

$311United Airlines

Wed, Nov 25 - Wed, Dec 2

7:35 pm - 11:25 pmSDF Louisville Intl-PDX Portland

6h 50m1 stop Chicago Midway

10:15 am - 10:55 pmPDX Portland-SDF Louisville Intl

9h 40m2 stops Phoenix Sky Harbor Intl Denver Intl

$316Southwest

Thu, Dec 3 - Tue, Dec 8

6:00 am - 11:07 amSDF Louisville Intl-PDX Portland

8h 07m1 stop Dallas/Fort Worth

10:00 pm - 11:15 amPDX Portland-SDF Louisville Intl

10h 15m1 stop Charlotte Douglas

$329American Airlines

Mon, Nov 23 - Thu, Nov 26

6:00 am - 10:41 amSDF Louisville Intl-PDX Portland

7h 41m1 stop Atlanta Hartsfield-Jackson

12:35 am - 12:00 pmPDX Portland-SDF Louisville Intl

8h 25m1 stop Minneapolis St Paul

$331Delta

Thu, Nov 19 - Thu, Nov 19

7:11 am - 1:41 pmSDF Louisville Intl-PDX Portland

9h 30m1 stop Dallas/Fort Worth

11:31 pm - 11:04 amPDX Portland-SDF Louisville Intl

8h 33m1 stop Chicago O'Hare Intl

$391American Airlines

Sat, Dec 12 - Sun, Dec 20

10:13 am - 5:05 pmSDF Louisville Intl-PDX Portland

9h 52m1 stop Chicago O'Hare Intl

7:00 am - 5:31 pmPDX Portland-SDF Louisville Intl

7h 31m1 stop Chicago O'Hare Intl

$607Alaska Airlines

Wed, Dec 2 - Sun, Dec 6

1:14 pm - 9:56 pmSDF Louisville Intl-PDX Portland

11h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

10:45 am - 11:42 pmPDX Portland-SDF Louisville Intl

9h 57m1 stop Dallas/Fort Worth

$612Alaska Airlines

Thu, Mar 25 - Mon, Apr 5

Cheap last minute flights

Enter your travel dates to find the best prices.

6:54 pm - 11:43 pmSDF Louisville Intl-PDX Portland

7h 49m1 stop Dallas/Fort Worth

6:00 am - 6:09 pmPDX Portland-SDF Louisville Intl

9h 09m1 stop Dallas/Fort Worth

$1,037American Airlines

Mon, Nov 2 - Thu, Nov 5

6:29 am - 7:41 pmSDF Louisville Intl-PDX Portland

16h 12m1 stop Chicago O'Hare Intl

11:09 pm - 5:13 pmPDX Portland-SDF Louisville Intl

15h 04m1 stop Chicago O'Hare Intl

$1,041American Airlines

Sat, Oct 31 - Tue, Nov 3

2:10 pm - 9:13 pmSDF Louisville Intl-PDX Portland

10h 03m2 stops Chicago O'Hare Intl Denver Intl

10:47 am - 8:52 pmPDX Portland-SDF Louisville Intl

7h 05m1 stop Chicago O'Hare Intl

$1,042United Airlines

Mon, Nov 2 - Thu, Nov 5

1:14 pm - 8:50 pmSDF Louisville Intl-PDX Portland

10h 36m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

9:20 am - 11:34 pmPDX Portland-SDF Louisville Intl

11h 14m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$1,047Alaska Airlines

Mon, Nov 2 - Thu, Nov 5

6:29 am - 7:41 pmSDF Louisville Intl-PDX Portland

16h 12m1 stop Chicago O'Hare Intl

11:09 pm - 12:43 pmPDX Portland-SDF Louisville Intl

10h 34m1 stop Chicago O'Hare Intl

$1,056American Airlines

Sat, Oct 31 - Mon, Nov 2

10:27 am - 6:24 pmSDF Louisville Intl-PDX Portland

10h 57m2 stops Chicago O'Hare Intl San Francisco

7:00 am - 5:02 pmPDX Portland-SDF Louisville Intl

7h 02m1 stop Chicago O'Hare Intl

$1,107United Airlines

Mon, Nov 2 - Thu, Nov 5

1:14 pm - 8:50 pmSDF Louisville Intl-PDX Portland

10h 36m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

9:20 am - 11:34 pmPDX Portland-SDF Louisville Intl

11h 14m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$1,112Alaska Airlines

Mon, Nov 2 - Thu, Nov 5

5:10 am - 11:47 amSDF Louisville Intl-PDX Portland

9h 37m1 stop Chicago O'Hare Intl

1:15 pm - 10:24 pmPDX Portland-SDF Louisville Intl

6h 09m1 stop Denver Intl

$1,167United Airlines

Sun, Nov 1 - Wed, Nov 4

6:35 am - 2:30 pmSDF Louisville Intl-PDX Portland

10h 55m2 stops Las Vegas Harry Reid Intl Oakland

8:25 am - 9:00 pmPDX Portland-SDF Louisville Intl

9h 35m2 stops Denver Intl Chicago Midway

$1,177Southwest

Sat, Oct 31 - Sun, Nov 1

1:05 pm - 9:50 pmSDF Louisville Intl-PDX Portland

11h 45m2 stops Denver Intl Las Vegas Harry Reid Intl

10:15 am - 10:50 pmPDX Portland-SDF Louisville Intl

9h 35m2 stops Phoenix Sky Harbor Intl Denver Intl

$1,177Southwest

Sun, Nov 1 - Tue, Nov 3

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Delta flights from Louisville to Portland

Our best Delta deals on Louisville to Portland flight tickets

Delta

Nov 24

SDF6:00 amLouisville Intl

7h 41m

1 stop

PDX10:41 amPortland

Dec 1

PDX6:50 amPortland

7h 03m

1 stop

SDF4:53 pmLouisville Intl

$311

Delta

Nov 19

SDF6:00 amLouisville Intl

7h 41m

1 stop

PDX10:41 amPortland

Nov 19

PDX12:35 amPortland

8h 25m

1 stop

SDF12:00 pmLouisville Intl

$331

Delta

Feb 8

SDF4:05 pmLouisville Intl

7h 35m

1 stop

PDX8:40 pmPortland

Feb 18

PDX6:15 amPortland

6h 02m

1 stop

SDF3:17 pmLouisville Intl

$377

Southwest flights from Louisville to Portland

Our best Southwest deals on Louisville to Portland flight tickets

Southwest

Dec 3

SDF7:35 pmLouisville Intl

6h 50m

1 stop

PDX11:25 pmPortland

Dec 8

PDX10:15 amPortland

9h 40m

2 stops

SDF10:55 pmLouisville Intl

$316

Southwest

Dec 3

SDF3:50 pmLouisville Intl

9h 30m

2 stops

PDX10:20 pmPortland

Dec 8

PDX10:15 amPortland

9h 40m

2 stops

SDF10:55 pmLouisville Intl

$369

Southwest

Feb 8

SDF7:00 amLouisville Intl

10h 10m

2 stops

PDX2:10 pmPortland

Feb 18

PDX7:45 amPortland

7h 05m

1 stop

SDF5:50 pmLouisville Intl

$382

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 12/3

6:50 am-1:10 pm

1 stop9h 20m

Portland

Tue 12/8

6:30 am-6:55 pm

1 stop9h 25m

$311

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 11/24

6:00 am-10:41 am

1 stop7h 41m

Portland

Tue 12/1

6:50 am-4:53 pm

1 stop7h 03m

$311

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 11/26

7:00 am-11:47 am

1 stop7h 47m

Portland

Thu 12/3

7:00 am-8:23 pm

1 stop10h 23m

$311

Quickest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 11/25

5:57 pm-10:27 pm

1 stop7h 30m

Portland

Wed 12/2

5:00 am-2:17 pm

1 stop6h 17m

$311

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 12/3

7:35 pm-11:25 pm

1 stop6h 50m

Portland

Tue 12/8

10:15 am-10:55 pm

2 stops9h 40m

$316

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Mon 11/23

6:00 am-11:07 am

1 stop8h 07m

Portland

Thu 11/26

10:00 pm-11:15 am

1 stop10h 15m

$329

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 11/19

6:00 am-10:41 am

1 stop7h 41m

Portland

Thu 11/19

12:35 am-12:00 pm

1 stop8h 25m

$331

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 12/12

7:11 am-1:41 pm

1 stop9h 30m

Portland

Sun 12/20

11:31 pm-11:04 am

1 stop8h 33m

$391

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 12/2

10:13 am-5:05 pm

1 stop9h 52m

Portland

Sun 12/6

7:00 am-5:31 pm

1 stop7h 31m

$607

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 3/25

1:14 pm-9:56 pm

2 stops11h 42m

Portland

Mon 4/5

10:45 am-11:42 pm

1 stop9h 57m

$612

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Louisville and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $332 to $702.
The lowest price recently found on this route was $311.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Louisville is in February. Flight prices, which tend to average around $329, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until May to fly from Louisville, when ticket prices are also cheap, with an average price of $394.

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

You are more likely to see cheaper flights to Portland from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Louisville for as low as $355 on momondo.

How have Louisville to Portland flight prices changed over time?

As of October 2026, prices for Louisville to Portland flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Portland (SDF to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Portland

Best Price Found	$156
Fastest flight time	6h 50m
Direct flights	None

The best one-way flight to Portland from Louisville in the past 72 hours is $156. The best round-trip flight deal from Louisville to Portland found on momondo in the last 72 hours is $311.

The fastest flight from Louisville to Portland takes 6h 50m

There are no direct flights from Louisville to Portland. There are no popular flight routes from Louisville to Portland.

Search flight deals

Frequently asked questions about flying from Louisville to Portland

How far is Louisville Intl to Portland by plane?
Portland is 1944.5 mi away from Louisville Intl. A reasonable flight in good conditions will take 6h 50m.
When did momondo last update prices for flights from Louisville Intl Airport to Portland Airport?
Prices for flights from Louisville Intl Airport to Portland Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Portland Airport?
There are 4 operators available for flights from Louisville Intl Airport to Portland Airport as of October 2026.
How old do you have to be to fly from Louisville Intl Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to Portland?
momondo data reveals that the most frequently booked airline on the route from Louisville to Portland is United Airlines, representing 34% of all bookings. The subsequent popular airlines are Southwest at 30%, American Airlines at 20%, and Delta at 16%.

Best airlines flying from Louisville to Portland

Compare and see reviews for airlines that fly from Louisville to Portland with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $271	Free Cancellation	Rating 7.8 8,697 reviews	Search Delta flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.3 10,462 reviews	Search United Airlines flights
Southwest	PriceFrom $339	Free Cancellation	Rating 7.9 4,225 reviews	Search Southwest flights
American Airlines	PriceFrom $362	Free Cancellation	Rating 7.0 12,223 reviews	Search American Airlines flights

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Astoria

Beaverton

Long Beach

Rockaway Beach

Hillsboro

Tigard

Longview

Hood River

Newberg

Clackamas

Gresham

Troutdale

Wilsonville

Depoe Bay

McMinnville

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Why should I use momondo to find a flight deal from Louisville to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Portland for you.

Can I find flights from Louisville to Portland with flexible booking policies on momondo?

All flight searches from Louisville to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Portland.

I’m not ready to book a flight from Louisville to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland trip

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Cheap flights from Louisville to Portland from $156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Portland departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Louisville to Portland

Our best Delta deals on Louisville to Portland flight tickets

Southwest flights from Louisville to Portland

Our best Southwest deals on Louisville to Portland flight tickets

momondo Fare Finder

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

See travel insights to Portland from

How to get the cheapest flight ticket from Louisville to Portland

What is the typical price of a round-trip flight between Louisville and Portland?

What is the cheapest month to fly to Portland?

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

How have Louisville to Portland flight prices changed over time?

What is the cheapest airline that flies from Louisville Intl to Portland?

What airlines fly to Portland?

Which airport is the most popular layover for flights between Louisville and Portland?

Which layover airport offers the lowest fares from Louisville to Portland?

Which layover airport has the shortest travel time from Louisville to Portland?

Which layover airport has the shortest connection time from Louisville to Portland?

When to book flights from Louisville to Portland

Cheap Louisville to Portland (SDF to PDX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Portland

Best airlines flying from Louisville to Portland

Compare and see reviews for airlines that fly from Louisville to Portland with momondo

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Louisville

According to popular flight searches on momondo this year

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