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

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

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?

United Airlines, American Airlines and Delta 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 26% 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.

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.

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.

$169 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.

6:01 am - 11:07 amSDF Louisville Intl-PDX Portland

8h 06m1 stop Dallas/Fort Worth

5:00 am - 4:55 pmPDX Portland-SDF Louisville Intl

8h 55m1 stop Dallas/Fort Worth

$363American Airlines

Sat, Nov 7 - Tue, Nov 17

6:04 pm - 12:07 amSDF Louisville Intl-PDX Portland

9h 03m1 stop Chicago O'Hare Intl

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

7h 35m1 stop Chicago O'Hare Intl

$363American Airlines

Wed, Sep 16 - Wed, Sep 23

3:25 pm - 9:05 pmSDF Louisville Intl-PDX Portland

8h 40m1 stop Denver Intl

10:43 am - 8:31 pmPDX Portland-SDF Louisville Intl

6h 48m1 stop Chicago O'Hare Intl

$363United Airlines

Wed, Sep 9 - Wed, Sep 30

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

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

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

7h 04m1 stop Chicago O'Hare Intl

$363United Airlines

Sat, Sep 19 - Sat, Sep 26

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 8 - Mon, Oct 12

6:39 pm - 11:44 pmSDF Louisville Intl-PDX Portland

8h 05m1 stop Minneapolis St Paul

11:52 am - 11:59 pmPDX Portland-SDF Louisville Intl

9h 07m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Oct 14 - Tue, Oct 20

6:39 pm - 11:44 pmSDF Louisville Intl-PDX Portland

8h 05m1 stop Minneapolis St Paul

2:00 pm - 11:59 pmPDX Portland-SDF Louisville Intl

6h 59m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Oct 14 - Sat, Oct 17

6:45 am - 2:00 pmSDF Louisville Intl-PDX Portland

10h 15m2 stops Nashville Intl Denver Intl

11:30 pm - 11:20 amPDX Portland-SDF Louisville Intl

8h 50m1 stop Chicago Midway

$368Southwest

Sat, Sep 19 - Tue, Sep 22

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

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

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

8h 37m1 stop Dallas/Fort Worth

$592Alaska Airlines

Thu, Oct 1 - Wed, Oct 7

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

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

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

8h 37m1 stop Dallas/Fort Worth

$592Alaska Airlines

Thu, Oct 1 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 1:14 pmSDF Louisville Intl-PDX Portland

8h 14m1 stop Denver Intl

5:00 am - 2:29 pmPDX Portland-SDF Louisville Intl

6h 29m1 stop Denver Intl

$730United Airlines

Wed, Aug 26 - Sun, Sep 6

1:50 pm - 6:53 pmSDF Louisville Intl-PDX Portland

8h 03m1 stop Chicago O'Hare Intl

10:50 am - 10:31 pmPDX Portland-SDF Louisville Intl

8h 41m1 stop Denver Intl

$730United Airlines

Tue, Aug 25 - Sun, Sep 6

11:05 am - 11:59 pmSDF Louisville Intl-PDX Portland

15h 54m1 stop Chicago O'Hare Intl

11:34 pm - 10:35 amPDX Portland-SDF Louisville Intl

8h 01m1 stop Chicago O'Hare Intl

$740American Airlines

Tue, Aug 25 - Sun, Sep 6

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

14h 32m1 stop Chicago O'Hare Intl

11:58 am - 10:17 pmPDX Portland-SDF Louisville Intl

7h 19m1 stop Dallas/Fort Worth

$757American Airlines

Tue, Aug 25 - Fri, Sep 4

5:25 pm - 10:09 pmSDF Louisville Intl-PDX Portland

7h 44m1 stop Detroit Metropolitan Wayne County

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

6h 22m1 stop Detroit Metropolitan Wayne County

$795Delta

Sun, Aug 23 - Wed, Sep 9

8:05 am - 12:58 pmSDF Louisville Intl-PDX Portland

7h 53m1 stop Atlanta Hartsfield-Jackson

1:30 pm - 10:53 pmPDX Portland-SDF Louisville Intl

6h 23m1 stop Minneapolis St Paul

$795Delta

Sun, Aug 23 - Sat, Sep 5

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

10h 40m2 stops Denver Intl Oakland

6:45 am - 8:30 pmPDX Portland-SDF Louisville Intl

10h 45m2 stops Denver Intl Chicago Midway

$818Southwest

Tue, Aug 25 - Sun, Sep 6

11:05 am - 10:58 pmSDF Louisville Intl-PDX Portland

14h 53m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

7:40 pm - 10:35 amPDX Portland-SDF Louisville Intl

11h 55m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$852Alaska Airlines

Tue, Aug 25 - Mon, Aug 31

6:15 am - 2:32 pmSDF Louisville Intl-PDX Portland

11h 17m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

9:32 pm - 10:35 amPDX Portland-SDF Louisville Intl

10h 03m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$852Alaska Airlines

Mon, Aug 24 - Mon, Aug 31

8:30 am - 3:00 pmSDF Louisville Intl-PDX Portland

9h 30m1 stop Baltimore/Washington

11:30 pm - 11:20 amPDX Portland-SDF Louisville Intl

8h 50m1 stop Chicago Midway

$907Southwest

Mon, Aug 24 - Mon, Sep 7

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United Airlines flights from Louisville to Portland

Our best United Airlines deals on Louisville to Portland flight tickets

United Airlines

Sep 5

SDF1:50 pmLouisville Intl

10h 15m

2 stops

PDX9:05 pmPortland

Sep 11

PDX12:45 pmPortland

6h 44m

1 stop

SDF10:29 pmLouisville Intl

$368

United Airlines

Sep 14

SDF5:15 amLouisville Intl

7h 14m

1 stop

PDX9:29 amPortland

Sep 16

PDX10:56 amPortland

9h 03m

1 stop

SDF10:59 pmLouisville Intl

$385

United Airlines

Jan 5

SDF3:50 pmLouisville Intl

10h 28m

1 stop

PDX11:18 pmPortland

Jan 7

PDX7:00 amPortland

6h 49m

1 stop

SDF4:49 pmLouisville Intl

$463

Southwest flights from Louisville to Portland

Our best Southwest deals on Louisville to Portland flight tickets

Southwest

Nov 7

SDF7:10 amLouisville Intl

10h 10m

2 stops

PDX2:20 pmPortland

Nov 17

PDX10:10 amPortland

7h 25m

2 stops

SDF8:35 pmLouisville Intl

$373

Southwest

Sep 14

SDF7:10 pmLouisville Intl

7h 00m

1 stop

PDX11:10 pmPortland

Dec 21

PDX9:05 pmPortland

9h 55m

2 stops

SDF10:00 amLouisville Intl

$382

Southwest

Nov 5

SDF8:45 amLouisville Intl

9h 30m

2 stops

PDX3:15 pmPortland

Nov 9

PDX9:00 pmPortland

10h 30m

2 stops

SDF10:30 amLouisville Intl

$383

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 11/7

6:01 am-11:07 am

1 stop8h 06m

Portland

Tue 11/17

5:00 am-4:55 pm

1 stop8h 55m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 9/16

6:04 pm-12:07 am

1 stop9h 03m

Portland

Wed 9/23

11:08 pm-9:43 am

1 stop7h 35m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 9/9

3:25 pm-9:05 pm

1 stop8h 40m

Portland

Wed 9/30

10:43 am-8:31 pm

1 stop6h 48m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/19

1:56 pm-8:10 pm

1 stop9h 14m

Portland

Sat 9/26

11:30 pm-9:34 am

1 stop7h 04m

$363

Quickest round-trip

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/8

7:50 pm-12:10 am

1 stop7h 20m

Portland

Mon 10/12

11:35 pm-10:05 am

1 stop7h 30m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 10/14

6:39 pm-11:44 pm

1 stop8h 05m

Portland

Tue 10/20

11:52 am-11:59 pm

1 stop9h 07m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Wed 10/14

6:39 pm-11:44 pm

1 stop8h 05m

Portland

Sat 10/17

2:00 pm-11:59 pm

1 stop6h 59m

$363

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Sat 9/19

6:45 am-2:00 pm

2 stops10h 15m

Portland

Tue 9/22

11:30 pm-11:20 am

1 stop8h 50m

$368

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/1

10:29 am-7:50 pm

2 stops12h 21m

Portland

Wed 10/7

7:00 am-6:37 pm

1 stop8h 37m

$592

LouisvillePortland

SDF Louisville Intl - PDX Portland

SDFPDX

Louisville Intl

Thu 10/1

10:29 am-7:50 pm

2 stops12h 21m

Portland

Tue 10/6

7:00 am-6:37 pm

1 stop8h 37m

$592

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 $373 to $542.
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 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 $469 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 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

Best Price Found	$169
Fastest flight time	6h 35m
Direct flights	None

The best one-way flight to Portland from Louisville in the past 72 hours is $169. 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 35m

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 35m.
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 33% of all bookings. The subsequent popular airlines are Southwest at 31%, 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 8,513 reviews	Search Delta flights
American Airlines	PriceFrom $317	Free Cancellation	Rating 7.1 11,979 reviews	Search American Airlines flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Southwest	PriceFrom $320	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights

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Salem

Astoria

Long Beach

Beaverton

Rockaway Beach

Hillsboro

Tigard

Depoe Bay

Longview

Hood River

Newberg

Clackamas

Troutdale

Gresham

Kelso

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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Cheap flights from Louisville to Portland from $169

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 9/2. 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

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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

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According to popular flight searches on momondo this year

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