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 28% 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, Southwest, and American Airlines are the most popular carriers operating from Louisville Intl to Portland

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 offers the lowest fares from Louisville to Portland?

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

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 has the shortest connection time from Louisville to Portland?

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

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.

5:59 pm - 12:07 amSDF Louisville Intl-PDX Portland

9h 08m1 stop Chicago O'Hare Intl

11:08 pm - 9:43 amPDX Portland-SDF Louisville Intl

7h 35m1 stop Chicago O'Hare Intl

$363American Airlines

Sat, Sep 26 - Sat, Oct 3

6:29 am - 12:22 pmSDF Louisville Intl-PDX Portland

8h 53m1 stop Chicago O'Hare Intl

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

9h 07m1 stop Dallas/Fort Worth

$363American Airlines

Sat, Oct 17 - Tue, Oct 20

5:15 am - 9:31 amSDF Louisville Intl-PDX Portland

7h 16m1 stop Chicago O'Hare Intl

11:30 pm - 9:34 amPDX Portland-SDF Louisville Intl

7h 04m1 stop Chicago O'Hare Intl

$363United Airlines

Sat, Oct 10 - Thu, Oct 15

5:15 am - 9:31 amSDF Louisville Intl-PDX Portland

7h 16m1 stop Chicago O'Hare Intl

8:30 am - 7:30 pmPDX Portland-SDF Louisville Intl

8h 00m1 stop Washington, D.C. Dulles Intl

$363United Airlines

Thu, Oct 22 - Tue, Oct 27

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

7h 00m1 stop Chicago Midway

11:30 pm - 10:10 amPDX Portland-SDF Louisville Intl

7h 40m1 stop Chicago Midway

$363Southwest

Thu, Sep 24 - Wed, Sep 30

7:50 pm - 12:10 amSDF Louisville Intl-PDX Portland

7h 20m1 stop Chicago Midway

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

7h 30m1 stop Chicago Midway

$363Southwest

Thu, Oct 1 - Mon, Oct 5

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

7h 41m1 stop Atlanta Hartsfield-Jackson

11:53 am - 11:02 pmPDX Portland-SDF Louisville Intl

8h 09m1 stop Minneapolis St Paul

$363Delta

Thu, Nov 26 - Wed, Dec 2

6:30 am - 10:49 amSDF Louisville Intl-PDX Portland

7h 19m1 stop Minneapolis St Paul

2:10 pm - 11:59 pmPDX Portland-SDF Louisville Intl

6h 49m1 stop Atlanta Hartsfield-Jackson

$363Delta

Thu, Sep 24 - Wed, Sep 30

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

11h 25m2 stops Dallas/Fort Worth San Diego

9:31 am - 9:36 pmPDX Portland-SDF Louisville Intl

9h 05m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$597Alaska Airlines

Tue, Feb 2 - Wed, Feb 3

10:29 am - 7:50 pmSDF Louisville Intl-PDX Portland

12h 21m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

3:48 pm - 12:10 pmPDX Portland-SDF Louisville Intl

17h 22m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$597Alaska Airlines

Thu, Oct 1 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

1:56 pm - 8:10 pmSDF Louisville Intl-PDX Portland

9h 14m1 stop Washington, D.C. Dulles Intl

11:30 pm - 9:25 amPDX Portland-SDF Louisville Intl

6h 55m1 stop Chicago O'Hare Intl

$363United Airlines

Thu, Sep 10 - Sat, Oct 10

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

9h 56m1 stop Chicago O'Hare Intl

2:27 pm - 11:56 pmPDX Portland-SDF Louisville Intl

6h 29m1 stop Chicago O'Hare Intl

$363United Airlines

Sun, Sep 6 - Thu, Sep 10

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

11h 15m2 stops Phoenix Sky Harbor Intl San Diego

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

8h 00m1 stop Chicago Midway

$451Southwest

Thu, Sep 10 - Sat, Oct 10

12:34 pm - 5:31 pmSDF Louisville Intl-PDX Portland

7h 57m1 stop Minneapolis St Paul

6:00 am - 3:49 pmPDX Portland-SDF Louisville Intl

6h 49m1 stop Minneapolis St Paul

$475Delta

Wed, Sep 9 - Tue, Sep 15

10:00 am - 4:45 pmSDF Louisville Intl-PDX Portland

9h 45m2 stops Chicago Midway Las Vegas Harry Reid Intl

8:00 am - 11:10 pmPDX Portland-SDF Louisville Intl

12h 10m2 stops San Diego Phoenix Sky Harbor Intl

$507Southwest

Sun, Sep 6 - Thu, Sep 10

6:00 am - 1:17 pmSDF Louisville Intl-PDX Portland

10h 17m1 stop Dallas/Fort Worth

11:08 pm - 5:31 pmPDX Portland-SDF Louisville Intl

15h 23m1 stop Chicago O'Hare Intl

$651American Airlines

Wed, Sep 9 - Tue, Sep 15

1:19 pm - 11:55 pmSDF Louisville Intl-PDX Portland

13h 36m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

7:06 am - 5:31 pmPDX Portland-SDF Louisville Intl

7h 25m1 stop Chicago O'Hare Intl

$704Alaska Airlines

Tue, Sep 8 - Wed, Sep 9

11:05 am - 8:47 pmSDF Louisville Intl-PDX Portland

12h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

7:06 am - 5:31 pmPDX Portland-SDF Louisville Intl

7h 25m1 stop Chicago O'Hare Intl

$704Alaska Airlines

Tue, Sep 8 - Wed, Sep 9

6:00 am - 1:17 pmSDF Louisville Intl-PDX Portland

10h 17m1 stop Dallas/Fort Worth

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

9h 50m1 stop Dallas/Fort Worth

$730American Airlines

Wed, Sep 9 - Sun, Sep 13

7:05 am - 1:00 pmSDF Louisville Intl-PDX Portland

8h 55m1 stop Atlanta Hartsfield-Jackson

2:10 pm - 11:59 pmPDX Portland-SDF Louisville Intl

6h 49m1 stop Atlanta Hartsfield-Jackson

$730Delta

Tue, Sep 8 - Wed, Sep 9

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

American Airlines flights from Louisville to Portland

Our best American Airlines deals on Louisville to Portland flight tickets

American Airlines

Sep 25

SDF5:59 pmLouisville Intl

9h 08m

1 stop

PDX12:07 amPortland

Sep 29

PDX6:01 amPortland

8h 28m

1 stop

SDF5:29 pmLouisville Intl

$377

American Airlines

Oct 10

SDF6:29 amLouisville Intl

8h 53m

1 stop

PDX12:22 pmPortland

Oct 10

PDX10:55 pmPortland

7h 37m

1 stop

SDF9:32 amLouisville Intl

$403

American Airlines

Oct 16

SDF5:19 pmLouisville Intl

9h 40m

1 stop

PDX11:59 pmPortland

Oct 19

PDX10:55 pmPortland

7h 37m

1 stop

SDF9:32 amLouisville Intl

$429

United Airlines flights from Louisville to Portland

Our best United Airlines deals on Louisville to Portland flight tickets

United Airlines

Sep 6

SDF9:00 amLouisville Intl

9h 56m

1 stop

PDX3:56 pmPortland

Sep 10

PDX2:27 pmPortland

6h 29m

1 stop

SDF11:56 pmLouisville Intl

$363

United Airlines

Sep 6

SDF8:00 amLouisville Intl

9h 47m

2 stops

PDX2:47 pmPortland

Sep 10

PDX12:45 pmPortland

6h 44m

1 stop

SDF10:29 pmLouisville Intl

$368

United Airlines

Nov 23

SDF3:24 pmLouisville Intl

10h 22m

2 stops

PDX10:46 pmPortland

Dec 1

PDX5:00 amPortland

6h 17m

1 stop

SDF2:17 pmLouisville Intl

$401

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/26

5:59 pm-12:07 am

1 stop9h 08m

Portland

Sat 10/3

11:08 pm-9:43 am

1 stop7h 35m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 10/17

6:29 am-12:22 pm

1 stop8h 53m

Portland

Tue 10/20

6:30 am-6:37 pm

1 stop9h 07m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 10/10

5:15 am-9:31 am

1 stop7h 16m

Portland

Thu 10/15

11:30 pm-9:34 am

1 stop7h 04m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/22

5:15 am-9:31 am

1 stop7h 16m

Portland

Tue 10/27

8:30 am-7:30 pm

1 stop8h 00m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 9/24

7:10 pm-11:10 pm

1 stop7h 00m

Portland

Wed 9/30

11:30 pm-10:10 am

1 stop7h 40m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/1

7:50 pm-12:10 am

1 stop7h 20m

Portland

Mon 10/5

11:35 pm-10:05 am

1 stop7h 30m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 11/26

6:00 am-10:41 am

1 stop7h 41m

Portland

Wed 12/2

11:53 am-11:02 pm

1 stop8h 09m

$363

Quickest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 9/24

6:30 am-10:49 am

1 stop7h 19m

Portland

Wed 9/30

2:10 pm-11:59 pm

1 stop6h 49m

$363

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

9:31 am-9:36 pm

2 stops9h 05m

$597

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/1

10:29 am-7:50 pm

2 stops12h 21m

Portland

Tue 10/20

3:48 pm-12:10 pm

2 stops17h 22m

$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 typical for flights on this route.

Typical prices usually range from $354 to $516.
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 $466 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	7h 14m
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 7h 14m

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 7h 14m.
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 33% of all bookings. The subsequent popular airlines are Southwest at 32%, American Airlines at 21%, 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 8,560 reviews	Search Delta flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 10,169 reviews	Search United Airlines flights
American Airlines	PriceFrom $354	Free Cancellation	Rating 7.1 12,044 reviews	Search American Airlines flights
Southwest	PriceFrom $355	Free Cancellation	Rating 8.0 4,203 reviews	Search Southwest flights

Lincoln City

Seaside

Vancouver

Cannon Beach

Salem

Astoria

Beaverton

Long Beach

Rockaway Beach

Hillsboro

Tigard

Longview

Hood River

Depoe Bay

Newberg

Clackamas

Troutdale

Gresham

Wilsonville

McMinnville

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

Sun 10/4

Sun 10/11

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 $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 10/15. 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

American Airlines flights from Louisville to Portland

Our best American Airlines deals on Louisville to Portland flight tickets

United Airlines flights from Louisville to Portland

Our best United Airlines 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

Complete your trip to Portland

Explore popular destinations other users love

According to popular flight searches on momondo this year