Cheap flights from Louisville to Portland from $158

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 9/21. 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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0 bags

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Find the cheapest flights from Louisville to Portland (SDF-PDX)

Cheap round-trip flights

Spirit Airlines Logo
2:57 pm - 7:36 pmSDF-PDX
7h 39m1 stop
Spirit Airlines Logo
8:21 pm - 2:02 pmPDX-SDF
14h 41m1 stop
$266Spirit Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
American Airlines Logo
12:25 pm - 6:54 pmSDF-PDX
9h 29m1 stop
American Airlines Logo
11:58 pm - 9:25 amPDX-SDF
6h 27m1 stop
$287American Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
Delta Logo
3:12 pm - 10:08 pmSDF-PDX
9h 56m1 stop
Delta Logo
11:15 pm - 9:59 amPDX-SDF
7h 44m1 stop
$297Delta
Find Deal
Sat, Nov 8 - Wed, Nov 12
Southwest Logo
8:10 pm - 12:20 amSDF-PDX
7h 10m1 stop
Southwest Logo
10:05 am - 9:30 pmPDX-SDF
8h 25m2 stops
$302Southwest
Find Deal
Mon, Nov 10 - Wed, Nov 12
 Logo
8:23 am - 11:11 amSDF-PDX
29h 48m2 stops
 Logo
11:23 am - 2:02 pmPDX-SDF
23h 39m1 stop
Tue, Sep 30 - Sun, Oct 5
Delta Logo
3:40 pm - 7:45 pmSDF-PDX
7h 05m1 stop
Delta Logo
12:40 am - 11:56 amPDX-SDF
8h 16m1 stop
$307Delta
Find Deal
Sat, Oct 4 - Fri, Oct 10
 Logo
4:20 pm - 6:27 pmSDF-PDX
29h 07m1 stop
 Logo
12:07 pm - 3:20 pmPDX-SDF
24h 13m1 stop
Sun, Sep 28 - Wed, Oct 1
Southwest Logo
5:55 pm - 10:30 pmSDF-PDX
7h 35m1 stop
Southwest Logo
11:40 am - 12:30 amPDX-SDF
9h 50m2 stops
$312Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
United Airlines Logo
3:30 pm - 10:45 pmSDF-PDX
10h 15m2 stops
United Airlines Logo
11:59 pm - 10:01 amPDX-SDF
7h 02m1 stop
$326United Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
United Airlines Logo
3:30 pm - 10:45 pmSDF-PDX
10h 15m2 stops
United Airlines Logo
12:53 pm - 10:30 pmPDX-SDF
6h 37m1 stop
$359United Airlines
Find Deal
Sat, Sep 27 - Thu, Oct 2

Spirit Airlines flights from Louisville to Portland

Our best Spirit Airlines deals on Louisville to Portland flight tickets
Spirit Airlines
Oct 23
SDF2:57 pmLouisville Intl
7h 39m
1 stop
PDX7:36 pmPortland
Oct 26
PDX8:21 pmPortland
14h 41m
1 stop
SDF2:02 pmLouisville Intl
Spirit Airlines
Oct 19
SDF6:58 pmLouisville Intl
51h 38m
2 stops
PDX7:36 pmPortland
Oct 26
PDX8:21 pmPortland
14h 41m
1 stop
SDF2:02 pmLouisville Intl
Spirit Airlines
Oct 19
SDF2:57 pmLouisville Intl
23h 45m
1 stop
PDX11:42 amPortland
Oct 26
PDX8:21 pmPortland
14h 41m
1 stop
SDF2:02 pmLouisville Intl

American Airlines flights from Louisville to Portland

Our best American Airlines deals on Louisville to Portland flight tickets
American Airlines
Sep 30
SDF12:25 pmLouisville Intl
9h 29m
1 stop
PDX6:54 pmPortland
Oct 7
PDX11:58 pmPortland
6h 27m
1 stop
SDF9:25 amLouisville Intl
American Airlines
Sep 30
SDF6:12 pmLouisville Intl
18h 35m
1 stop
PDX9:47 amPortland
Oct 5
PDX5:38 amPortland
7h 22m
1 stop
SDF4:00 pmLouisville Intl
American Airlines
Oct 13
SDF6:17 pmLouisville Intl
7h 51m
1 stop
PDX11:08 pmPortland
Oct 17
PDX11:58 pmPortland
14h 25m
1 stop
SDF5:23 pmLouisville Intl

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 3, 2025.
Use the filters below to find and compare flights from Louisville to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Thu 10/23

2:57 pm-7:36 pm

1 stop7h 39m

Portland

Sun 10/26

8:21 pm-2:02 pm

1 stop14h 41m

$266

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/30

12:25 pm-6:54 pm

1 stop9h 29m

Portland

Tue 10/7

11:58 pm-9:25 am

1 stop6h 27m

$287

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 11/8

3:12 pm-10:08 pm

1 stop9h 56m

Portland

Wed 11/12

11:15 pm-9:59 am

1 stop7h 44m

$297

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Mon 11/10

8:10 pm-12:20 am

1 stop7h 10m

Portland

Wed 11/12

10:05 am-9:30 pm

2 stops8h 25m

$302

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/30

8:23 am-11:11 am

2 stops29h 48m

Portland

Sun 10/5

11:23 am-2:02 pm

1 stop23h 39m

$305

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 10/4

3:40 pm-7:45 pm

1 stop7h 05m

Portland

Fri 10/10

12:40 am-11:56 am

1 stop8h 16m

$307

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sun 9/28

4:20 pm-6:27 pm

1 stop29h 07m

Portland

Wed 10/1

12:07 pm-3:20 pm

1 stop24h 13m

$309

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Tue 9/30

5:55 pm-10:30 pm

1 stop7h 35m

Portland

Tue 10/7

11:40 am-12:30 am

2 stops9h 50m

$312

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 10/1

3:30 pm-10:45 pm

2 stops10h 15m

Portland

Mon 10/6

11:59 pm-10:01 am

1 stop7h 02m

$326

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 9/27

3:30 pm-10:45 pm

2 stops10h 15m

Portland

Thu 10/2

12:53 pm-10:30 pm

1 stop6h 37m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Louisville is in August. Flight prices, which tend to average around $378, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until November to fly from Louisville, when ticket prices are also cheap, with an average price of $398.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $450. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $517.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $447. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $496 per ticket.

How far in advance should I book a flight 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 $448 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 $283 on momondo.

Can stopping save me money on Louisville to Portland flights?

You could potentially save up to 31% on your flight if you consider stops on a Louisville to Portland flight.

How have Louisville to Portland flight prices changed over time?

As of September 2025, prices for Louisville to Portland flights are approximately 56% 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

Direct flights

None
There are no direct flights from Louisville to Portland. There are no popular flight routes 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 43m.

  • 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?

  • 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?

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
DeltaPriceFrom $254Free CancellationRating
7.9
7,972 reviews
Search Delta flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
American AirlinesPriceFrom $307Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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.

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1 adult
Mon 9/8
Mon 9/15

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