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 connection time from Louisville to Portland?

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

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.

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

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

What airlines fly to Portland?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portland from Louisville according to our data. United Airlines is the first choice among our users, with 29% 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.

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

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

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 September 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.

$182 Cheap Flights from Louisville to Portland in 2026

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.

4:18 pm - 9:11 pmSDF Louisville Intl-PDX Portland

7h 53m1 stop Dallas/Fort Worth

5:20 am - 3:27 pmPDX Portland-SDF Louisville Intl

7h 07m1 stop Dallas/Fort Worth

$363American Airlines

Tue, Oct 27 - Sat, Oct 31

3:36 pm - 8:44 pmSDF Louisville Intl-PDX Portland

8h 08m1 stop Charlotte Douglas

6:30 am - 6:37 pmPDX Portland-SDF Louisville Intl

9h 07m1 stop Dallas/Fort Worth

$363American Airlines

Sat, Oct 10 - Sat, Oct 17

10:25 am - 3:56 pmSDF Louisville Intl-PDX Portland

8h 31m1 stop Chicago O'Hare Intl

11:30 pm - 9:38 amPDX Portland-SDF Louisville Intl

7h 08m1 stop Chicago O'Hare Intl

$363United Airlines

Thu, Oct 22 - Thu, Oct 29

10:27 am - 3:20 pmSDF Louisville Intl-PDX Portland

7h 53m1 stop Chicago O'Hare Intl

1:15 pm - 9:57 pmPDX Portland-SDF Louisville Intl

5h 42m1 stop Denver Intl

$363United Airlines

Thu, Nov 26 - Wed, Dec 2

6:00 am - 10:38 amSDF Louisville Intl-PDX Portland

7h 38m1 stop Atlanta Hartsfield-Jackson

6:00 am - 5:59 pmPDX Portland-SDF Louisville Intl

8h 59m1 stop Minneapolis St Paul

$363Delta

Wed, Sep 30 - Tue, Oct 6

7:54 pm - 11:10 pmSDF Louisville Intl-PDX Portland

6h 16m1 stop Minneapolis St Paul

11:35 am - 11:43 pmPDX Portland-SDF Louisville Intl

9h 08m1 stop Minneapolis St Paul

$363Delta

Thu, Oct 1 - Mon, Oct 5

7:50 pm - 12:15 amSDF Louisville Intl-PDX Portland

7h 25m1 stop Chicago Midway

9:15 pm - 10:05 amPDX Portland-SDF Louisville Intl

9h 50m2 stops Phoenix Sky Harbor Intl Chicago Midway

$368Southwest

Thu, Oct 22 - Mon, Oct 26

6:45 pm - 11:15 pmSDF Louisville Intl-PDX Portland

7h 30m1 stop Chicago Midway

8:20 pm - 10:05 amPDX Portland-SDF Louisville Intl

10h 45m2 stops Sacramento Intl Chicago Midway

$401Southwest

Wed, Sep 30 - Mon, Oct 12

12:05 pm - 8:30 pmSDF Louisville Intl-PDX Portland

11h 25m2 stops Dallas/Fort Worth San Diego

7:30 am - 9:36 pmPDX Portland-SDF Louisville Intl

11h 06m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$597Alaska Airlines

Tue, Feb 2 - Wed, Feb 3

1:09 pm - 10:17 pmSDF Louisville Intl-PDX Portland

12h 08m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

8:30 am - 9:36 pmPDX Portland-SDF Louisville Intl

10h 06m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$597Alaska Airlines

Tue, Feb 2 - Wed, Feb 3

Cheap last minute flights

Enter your travel dates to find the best prices.

2:47 pm - 12:07 amSDF Louisville Intl-PDX Portland

12h 20m1 stop Chicago O'Hare Intl

6:01 am - 5:37 pmPDX Portland-SDF Louisville Intl

8h 36m1 stop Chicago O'Hare Intl

$675American Airlines

Tue, Sep 15 - Tue, Oct 6

10:50 am - 5:45 pmSDF Louisville Intl-PDX Portland

9h 55m2 stops Dallas Love Field Denver Intl

11:35 pm - 10:05 amPDX Portland-SDF Louisville Intl

7h 30m1 stop Chicago Midway

$735Southwest

Tue, Sep 15 - Tue, Oct 6

2:41 pm - 7:36 pmSDF Louisville Intl-PDX Portland

7h 55m1 stop Chicago O'Hare Intl

10:55 pm - 9:32 amPDX Portland-SDF Louisville Intl

7h 37m1 stop Chicago O'Hare Intl

$763American Airlines

Sun, Sep 13 - Mon, Oct 12

6:10 am - 11:05 amSDF Louisville Intl-PDX Portland

7h 55m1 stop Las Vegas Harry Reid Intl

8:20 pm - 10:05 amPDX Portland-SDF Louisville Intl

10h 45m2 stops Sacramento Intl Chicago Midway

$768Southwest

Sun, Sep 13 - Mon, Oct 12

9:00 am - 3:56 pmSDF Louisville Intl-PDX Portland

9h 56m1 stop Chicago O'Hare Intl

7:02 am - 7:07 pmPDX Portland-SDF Louisville Intl

9h 05m1 stop Chicago O'Hare Intl

$1,062United Airlines

Mon, Sep 14 - Sun, Sep 20

5:15 am - 9:29 amSDF Louisville Intl-PDX Portland

7h 14m1 stop Chicago O'Hare Intl

11:09 pm - 12:21 pmPDX Portland-SDF Louisville Intl

10h 12m1 stop Newark

$1,062United Airlines

Mon, Sep 14 - Wed, Sep 16

6:00 am - 10:38 amSDF Louisville Intl-PDX Portland

7h 38m1 stop Atlanta Hartsfield-Jackson

11:49 am - 11:59 pmPDX Portland-SDF Louisville Intl

9h 10m1 stop Atlanta Hartsfield-Jackson

$1,062Delta

Mon, Sep 14 - Thu, Sep 17

11:46 am - 4:33 pmSDF Louisville Intl-PDX Portland

7h 47m1 stop Dallas/Fort Worth

10:40 am - 9:13 pmPDX Portland-SDF Louisville Intl

7h 33m1 stop Dallas/Fort Worth

$1,062Alaska Airlines

Thu, Sep 10 - Thu, Sep 17

10:29 am - 4:50 pmSDF Louisville Intl-PDX Portland

9h 21m1 stop Chicago O'Hare Intl

7:06 am - 5:29 pmPDX Portland-SDF Louisville Intl

7h 23m1 stop Chicago O'Hare Intl

$1,062Alaska Airlines

Fri, Sep 11 - Tue, Sep 15

7:05 am - 5:10 pmSDF Louisville Intl-PDX Portland

13h 05m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

8:44 pm - 10:19 amPDX Portland-SDF Louisville Intl

10h 35m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

$1,484Delta

Thu, Sep 10 - Tue, Sep 15

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United Airlines flights from Louisville to Portland

Our best United Airlines deals on Louisville to Portland flight tickets

United Airlines

Oct 10

SDF9:04 amLouisville Intl

9h 52m

1 stop

PDX3:56 pmPortland

Oct 17

PDX12:45 pmPortland

6h 47m

1 stop

SDF10:32 pmLouisville Intl

$363

United Airlines

Oct 22

SDF5:15 amLouisville Intl

7h 16m

1 stop

PDX9:31 amPortland

Oct 29

PDX5:00 amPortland

9h 02m

2 stops

SDF5:02 pmLouisville Intl

$368

United Airlines

Nov 26

SDF8:00 amLouisville Intl

9h 37m

2 stops

PDX2:37 pmPortland

Dec 2

PDX5:00 amPortland

8h 34m

2 stops

SDF4:34 pmLouisville Intl

$374

Southwest flights from Louisville to Portland

Our best Southwest deals on Louisville to Portland flight tickets

Southwest

Sep 30

SDF6:45 pmLouisville Intl

7h 30m

1 stop

PDX11:15 pmPortland

Oct 12

PDX8:20 pmPortland

10h 45m

2 stops

SDF10:05 amLouisville Intl

$401

Southwest

Sep 30

SDF10:50 amLouisville Intl

9h 55m

2 stops

PDX5:45 pmPortland

Oct 12

PDX8:20 pmPortland

10h 45m

2 stops

SDF10:05 amLouisville Intl

$406

Southwest

Oct 25

SDF7:25 pmLouisville Intl

9h 10m

1 stop

PDX1:35 amPortland

Oct 28

PDX8:45 pmPortland

10h 25m

2 stops

SDF10:10 amLouisville Intl

$420

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 10/27

4:18 pm-9:11 pm

1 stop7h 53m

Portland

Sat 10/31

5:20 am-3:27 pm

1 stop7h 07m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 10/10

3:36 pm-8:44 pm

1 stop8h 08m

Portland

Sat 10/17

6:30 am-6:37 pm

1 stop9h 07m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/22

10:25 am-3:56 pm

1 stop8h 31m

Portland

Thu 10/29

11:30 pm-9:38 am

1 stop7h 08m

$363

Quickest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 11/26

10:27 am-3:20 pm

1 stop7h 53m

Portland

Wed 12/2

1:15 pm-9:57 pm

1 stop5h 42m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 9/30

6:00 am-10:38 am

1 stop7h 38m

Portland

Tue 10/6

6:00 am-5:59 pm

1 stop8h 59m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/1

7:54 pm-11:10 pm

1 stop6h 16m

Portland

Mon 10/5

11:35 am-11:43 pm

1 stop9h 08m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/22

7:50 pm-12:15 am

1 stop7h 25m

Portland

Mon 10/26

9:15 pm-10:05 am

2 stops9h 50m

$368

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 9/30

6:45 pm-11:15 pm

1 stop7h 30m

Portland

Mon 10/12

8:20 pm-10:05 am

2 stops10h 45m

$401

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 2/2

12:05 pm-8:30 pm

2 stops11h 25m

Portland

Wed 2/3

7:30 am-9:36 pm

2 stops11h 06m

$597

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 2/2

1:09 pm-10:17 pm

2 stops12h 08m

Portland

Wed 2/3

8:30 am-9:36 pm

2 stops10h 06m

$597

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 $368 to $511.
The lowest price recently found on this route was $363.

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 $458 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 $398 on momondo.

How have Louisville to Portland flight prices changed over time?

As of September 2026, prices for Louisville to Portland flights are approximately 45% 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	$182
Fastest flight time	6h 16m
Direct flights	None

The best one-way flight to Portland from Louisville in the past 72 hours is $182. The best round-trip flight deal from Louisville to Portland found on momondo in the last 72 hours is $363.

The fastest flight from Louisville to Portland takes 6h 16m

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 16m.
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 September 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 32% of all bookings. The subsequent popular airlines are Southwest at 32%, American Airlines at 21%, and Delta at 15%.

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 8,554 reviews	Search Delta flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 10,189 reviews	Search United Airlines flights
American Airlines	PriceFrom $354	Free Cancellation	Rating 7.1 12,045 reviews	Search American Airlines flights
Southwest	PriceFrom $355	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights

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Astoria

Beaverton

Long Beach

Rockaway Beach

Hillsboro

Tigard

Hood River

Longview

Depoe Bay

Newberg

Clackamas

Troutdale

Gresham

McMinnville

Wilsonville

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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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Airports servicing Oregon

Eugene Airport

Klamath Falls Kingsley Field Airport

Cheap flights from Louisville to Portland from $182

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 10/14. 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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United Airlines flights from Louisville to Portland

Our best United Airlines 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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According to popular flight searches on momondo this year