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

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

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 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.

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?

American Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Portland from Louisville according to our data. American Airlines is the first choice among our users, with 27% 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.

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 August 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.

$167 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.

4:30 pm - 8:17 pmSDF Louisville Intl-PDX Portland

6h 47m1 stop Minneapolis St Paul

11:54 am - 9:16 pmPDX Portland-SDF Louisville Intl

6h 22m1 stop Detroit Metropolitan Wayne County

$333Delta

Sat, Sep 5 - Fri, Sep 11

12:33 pm - 6:53 pmSDF Louisville Intl-PDX Portland

9h 20m1 stop Chicago O'Hare Intl

11:02 pm - 9:38 amPDX Portland-SDF Louisville Intl

7h 36m1 stop Chicago O'Hare Intl

$333United Airlines

Sun, Sep 6 - Sun, Sep 6

2:55 pm - 6:30 pmSDF Louisville Intl-PDX Portland

6h 35m1 stop Denver Intl

7:55 pm - 10:10 amPDX Portland-SDF Louisville Intl

11h 15m2 stops Sacramento Intl Chicago Midway

$338Southwest

Sat, Sep 5 - Fri, Sep 11

8:00 am - 2:47 pmSDF Louisville Intl-PDX Portland

9h 47m2 stops Denver Intl San Francisco

11:02 pm - 9:38 amPDX Portland-SDF Louisville Intl

7h 36m1 stop Chicago O'Hare Intl

$338United Airlines

Sun, Sep 6 - Sun, Sep 6

12:05 pm - 6:30 pmSDF Louisville Intl-PDX Portland

9h 25m2 stops Nashville Intl Denver Intl

7:55 pm - 10:10 amPDX Portland-SDF Louisville Intl

11h 15m2 stops Sacramento Intl Chicago Midway

$343Southwest

Sat, Sep 5 - Fri, Sep 11

2:54 pm - 10:02 pmSDF Louisville Intl-PDX Portland

10h 08m1 stop Detroit Metropolitan Wayne County

11:39 am - 10:55 pmPDX Portland-SDF Louisville Intl

8h 16m1 stop Minneapolis St Paul

$351Delta

Wed, Dec 16 - Fri, Dec 25

6:30 pm - 11:59 pmSDF Louisville Intl-PDX Portland

8h 29m1 stop Chicago O'Hare Intl

6:00 am - 6:50 pmPDX Portland-SDF Louisville Intl

9h 50m1 stop Dallas/Fort Worth

$356American Airlines

Tue, Sep 8 - Wed, Sep 9

2:36 pm - 7:48 pmSDF Louisville Intl-PDX Portland

8h 12m1 stop Charlotte Douglas

10:05 pm - 11:15 amPDX Portland-SDF Louisville Intl

10h 10m1 stop Charlotte Douglas

$369American Airlines

Mon, Aug 24 - Sat, Aug 29

10:54 am - 4:15 pmSDF Louisville Intl-PDX Portland

8h 21m1 stop Dallas/Fort Worth

7:00 am - 6:37 pmPDX Portland-SDF Louisville Intl

8h 37m1 stop Dallas/Fort Worth

$685Alaska Airlines

Tue, Oct 6 - Fri, Oct 9

12:41 pm - 11:42 pmSDF Louisville Intl-PDX Portland

14h 01m2 stops Chicago O'Hare Intl San Diego

7:00 am - 5:42 pmPDX Portland-SDF Louisville Intl

7h 42m1 stop Chicago O'Hare Intl

$690Alaska Airlines

Fri, Dec 18 - Tue, Dec 29

Cheap last minute flights

Enter your travel dates to find the best prices.

9:21 am - 11:35 amSDF Louisville Intl-PDX Portland

29h 14m1 stop Los Angeles

5:21 pm - 10:32 amPDX Portland-SDF Louisville Intl

14h 11m2 stops Denver Intl Tampa

$741Multiple Airlines

Sat, Aug 8 - Wed, Aug 12

6:28 am - 6:00 pmSDF Louisville Intl-PDX Portland

14h 32m1 stop Chicago O'Hare Intl

5:59 am - 6:46 pmPDX Portland-SDF Louisville Intl

9h 47m1 stop Chicago O'Hare Intl

$757American Airlines

Tue, Aug 11 - Sat, Aug 22

6:28 am - 6:00 pmSDF Louisville Intl-PDX Portland

14h 32m1 stop Chicago O'Hare Intl

7:39 am - 6:28 pmPDX Portland-SDF Louisville Intl

7h 49m1 stop Dallas/Fort Worth

$757American Airlines

Tue, Aug 11 - Sat, Aug 22

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

10h 15m2 stops Chicago O'Hare Intl Denver Intl

8:17 am - 7:06 pmPDX Portland-SDF Louisville Intl

7h 49m1 stop Chicago O'Hare Intl

$847United Airlines

Tue, Aug 11 - Sat, Aug 22

11:05 am - 7:54 pmSDF Louisville Intl-PDX Portland

11h 49m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

5:41 pm - 10:35 amPDX Portland-SDF Louisville Intl

13h 54m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$852Alaska Airlines

Tue, Aug 11 - Sat, Aug 22

10:23 am - 10:45 pmSDF Louisville Intl-PDX Portland

15h 22m2 stops Chicago O'Hare Intl San Francisco

8:17 am - 8:36 pmPDX Portland-SDF Louisville Intl

9h 19m1 stop Chicago O'Hare Intl

$893United Airlines

Tue, Aug 11 - Sat, Aug 22

11:05 am - 7:20 pmSDF Louisville Intl-PDX Portland

11h 15m2 stops Phoenix Sky Harbor Intl San Diego

12:40 pm - 11:05 pmPDX Portland-SDF Louisville Intl

7h 25m1 stop Phoenix Sky Harbor Intl

$1,002Southwest

Mon, Aug 10 - Fri, Aug 14

4:01 pm - 9:29 amSDF Louisville Intl-PDX Portland

20h 28m2 stops Dallas/Fort Worth San Diego

10:45 am - 10:17 pmPDX Portland-SDF Louisville Intl

8h 32m1 stop Dallas/Fort Worth

$1,002Alaska Airlines

Mon, Aug 10 - Fri, Aug 14

9:00 am - 4:35 pmSDF Louisville Intl-PDX Portland

10h 35m2 stops Chicago Midway Oakland

6:05 am - 8:25 pmPDX Portland-SDF Louisville Intl

11h 20m2 stops Denver Intl Chicago Midway

$1,007Southwest

Mon, Aug 10 - Fri, Aug 14

6:50 am - 10:41 amSDF Louisville Intl-PDX Portland

6h 51m1 stop Minneapolis St Paul

12:35 am - 11:55 amPDX Portland-SDF Louisville Intl

8h 20m1 stop Minneapolis St Paul

$1,062Delta

Fri, Aug 7 - Sat, Aug 8

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Louisville to Portland

Our best United Airlines deals on Louisville to Portland flight tickets

United Airlines

Aug 31

SDF1:50 pmLouisville Intl

8h 03m

1 stop

PDX6:53 pmPortland

Sep 6

PDX11:02 pmPortland

7h 36m

1 stop

SDF9:38 amLouisville Intl

$351

United Airlines

Sep 2

SDF7:10 amLouisville Intl

9h 04m

2 stops

PDX1:14 pmPortland

Sep 12

PDX11:02 pmPortland

7h 32m

1 stop

SDF9:34 amLouisville Intl

$361

United Airlines

Sep 5

SDF10:23 amLouisville Intl

8h 33m

1 stop

PDX3:56 pmPortland

Sep 7

PDX11:02 pmPortland

7h 32m

1 stop

SDF9:34 amLouisville Intl

$386

Delta flights from Louisville to Portland

Our best Delta deals on Louisville to Portland flight tickets

Delta

Sep 5

SDF4:30 pmLouisville Intl

6h 47m

1 stop

PDX8:17 pmPortland

Sep 11

PDX11:54 amPortland

6h 22m

1 stop

SDF9:16 pmLouisville Intl

$333

Delta

Aug 24

SDF4:30 pmLouisville Intl

6h 47m

1 stop

PDX8:17 pmPortland

Aug 27

PDX2:08 pmPortland

7h 26m

1 stop

SDF12:34 amLouisville Intl

$369

Delta

Dec 21

SDF5:45 pmLouisville Intl

7h 41m

1 stop

PDX10:26 pmPortland

Dec 25

PDX7:00 amPortland

9h 01m

1 stop

SDF7:01 pmLouisville Intl

$396

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/5

4:30 pm-8:17 pm

1 stop6h 47m

Portland

Fri 9/11

11:54 am-9:16 pm

1 stop6h 22m

$333

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sun 9/6

12:33 pm-6:53 pm

1 stop9h 20m

Portland

Sun 9/6

11:02 pm-9:38 am

1 stop7h 36m

$333

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/5

2:55 pm-6:30 pm

1 stop6h 35m

Portland

Fri 9/11

7:55 pm-10:10 am

2 stops11h 15m

$338

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sun 9/6

8:00 am-2:47 pm

2 stops9h 47m

Portland

Sun 9/6

11:02 pm-9:38 am

1 stop7h 36m

$338

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/5

12:05 pm-6:30 pm

2 stops9h 25m

Portland

Fri 9/11

7:55 pm-10:10 am

2 stops11h 15m

$343

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 12/16

2:54 pm-10:02 pm

1 stop10h 08m

Portland

Fri 12/25

11:39 am-10:55 pm

1 stop8h 16m

$351

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 9/8

6:30 pm-11:59 pm

1 stop8h 29m

Portland

Wed 9/9

6:00 am-6:50 pm

1 stop9h 50m

$356

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Mon 8/24

2:36 pm-7:48 pm

1 stop8h 12m

Portland

Sat 8/29

10:05 pm-11:15 am

1 stop10h 10m

$369

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Tue 10/6

10:54 am-4:15 pm

1 stop8h 21m

Portland

Fri 10/9

7:00 am-6:37 pm

1 stop8h 37m

$685

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Fri 12/18

12:41 pm-11:42 pm

2 stops14h 01m

Portland

Tue 12/29

7:00 am-5:42 pm

1 stop7h 42m

$690

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 $392 to $568.
The lowest price recently found on this route was $333.

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 January to fly from Louisville, when ticket prices are also cheap, with an average price of $360.

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 $461 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 $405 on momondo.

How have Louisville to Portland flight prices changed over time?

As of August 2026, prices for Louisville to Portland flights are approximately 80% 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

Fastest flight time	6h 26m
Direct flights	None

The fastest flight from Louisville to Portland takes 6h 26m

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 26m.
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 August 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 31% of all bookings. The subsequent popular airlines are Southwest at 30%, American Airlines at 24%, and Delta at 14%.

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 8,491 reviews	Search Delta flights
United Airlines	PriceFrom $292	Free Cancellation	Rating 7.4 10,072 reviews	Search United Airlines flights
Southwest	PriceFrom $320	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
American Airlines	PriceFrom $330	Free Cancellation	Rating 7.1 11,865 reviews	Search American Airlines flights

Lincoln City

Seaside

Vancouver

Cannon Beach

Salem

Astoria

Long Beach

Beaverton

Rockaway Beach

Hillsboro

Tigard

Depoe Bay

Longview

Hood River

Newberg

Clackamas

Troutdale

Gresham

Kelso

Wilsonville

Why use momondo?

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 9/5

Sat 9/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Louisville

Complete your trip

Feeling lucky

Airports servicing Oregon

Eugene Airport

Klamath Falls Kingsley Field Airport

Cheap flights from Louisville to Portland from $167

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to Portland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Louisville to Portland

Our best United Airlines deals on Louisville to Portland flight tickets

Delta flights from Louisville to Portland

Our best Delta 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

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

Complete your trip to Portland

Explore popular destinations other users love

According to popular flight searches on momondo this year