$165+ Cheap flights from Portland to Louisville (PDX - SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SDF
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to LouisvilleExplore the most affordable flight options available from Portland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from Portland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:59 pm
PDX
- SDF
1 stop8h 36m
American Airlines
Tue 6/167:18 pm
SDF
- PDX
1 stop7h 29m
American Airlines
Deal found 5/6![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:59 pm
PDX
- SDF
1 stop8h 18m
American Airlines
Wed 6/36:56 pm
SDF
- PDX
1 stop8h 01m
American Airlines
Deal found 5/8![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:40 am
PDX
- SDF
1 stop6h 56m
American Airlines
Mon 6/87:48 pm
SDF
- PDX
1 stop8h 02m
American Airlines
Deal found 5/8![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:30 pm
PDX
- SDF
1 stop7h 35m
Southwest
Tue 7/2811:45 am
SDF
- PDX
1 stop10h 25m
Southwest
Deal found 5/10![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:20 pm
PDX
- SDF
2 stops10h 55m
Southwest
Mon 6/88:05 pm
SDF
- PDX
1 stop6h 50m
Southwest
Deal found 5/6![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:40 am
PDX
- SDF
1 stop9h 01m
American Airlines
Tue 6/307:18 pm
SDF
- PDX
1 stop7h 29m
American Airlines
Deal found 5/9![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:49 am
PDX
- SDF
1 stop10h 46m
American Airlines
Sat 5/305:43 pm
SDF
- PDX
1 stop9h 16m
American Airlines
Deal found 5/8![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:30 pm
PDX
- SDF
1 stop7h 45m
Southwest
Sat 6/137:15 pm
SDF
- PDX
1 stop6h 30m
Southwest
Deal found 5/9![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:55 pm
PDX
- SDF
1 stop7h 10m
Southwest
Wed 6/105:25 pm
SDF
- PDX
2 stops8h 10m
Southwest
Deal found 5/6![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 pm
PDX
- SDF
1 stop8h 05m
Southwest
Wed 6/33:30 pm
SDF
- PDX
2 stops10h 30m
Southwest
Deal found 5/8![Southwest logo]()
$392
Best flights from Portland to LouisvilleDiscover carefully curated flight deals from Portland to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from Portland to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:45 pm
PDX
- SDF
1 stop8h 15m
Southwest
Tue 9/2212:10 pm
SDF
- PDX
1 stop8h 35m
Southwest
Deal found 5/8![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm
PDX
- SDF
1 stop9h 08m
Delta
Sun 9/137:25 pm
SDF
- PDX
1 stop7h 09m
Delta
Deal found 5/10![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:15 pm
PDX
- SDF
1 stop7h 00m
United Airlines
Sat 9/196:00 pm
SDF
- PDX
1 stop8h 09m
United Airlines
Deal found 5/6![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:55 am
PDX
- SDF
1 stop6h 46m
Delta
Sun 10/117:25 pm
SDF
- PDX
1 stop7h 22m
Delta
Deal found 5/9![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:30 pm
PDX
- SDF
1 stop7h 35m
Southwest
Mon 6/153:35 pm
SDF
- PDX
1 stop6h 25m
Southwest
Deal found 5/7![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:30 pm
PDX
- SDF
1 stop7h 35m
Southwest
Sat 7/112:55 pm
SDF
- PDX
2 stops12h 00m
Southwest
Deal found 5/8![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:35 am
PDX
- SDF
2 stops12h 21m
United Airlines
Wed 6/33:30 pm
SDF
- PDX
1 stop10h 18m
United Airlines
Deal found 5/5![United Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:20 pm
PDX
- SDF
2 stops10h 55m
Southwest
Mon 6/83:35 pm
SDF
- PDX
2 stops8h 55m
Southwest
Deal found 5/6![Southwest logo]()
$435
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:13 pm
PDX
- SDF
2 stops11h 02m
United Airlines
Sun 9/135:35 am
SDF
- PDX
1 stop6h 54m
United Airlines
Deal found 5/10![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:45 pm
PDX
- SDF
2 stops9h 20m
Southwest
Sun 6/148:00 pm
SDF
- PDX
1 stop7h 05m
Southwest
Deal found 5/8![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:55 pm
PDX
- SDF
2 stops9h 45m
Southwest
Fri 6/53:35 pm
SDF
- PDX
2 stops8h 55m
Southwest
Deal found 5/8![Southwest logo]()
$480
Last-minute flights from Portland to LouisvilleDiscover last-minute flight deals from Portland to Louisville. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Louisville. Data last updated May 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:49 am
PDX
- SDF
1 stop10h 46m
American Airlines
Sat 5/305:43 pm
SDF
- PDX
1 stop9h 16m
American Airlines
Deal found 5/8![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:59 pm
PDX
- SDF
1 stop8h 18m
American Airlines
Wed 6/36:56 pm
SDF
- PDX
1 stop8h 01m
American Airlines
Deal found 5/8![American Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 pm
PDX
- SDF
1 stop8h 05m
Southwest
Wed 6/33:30 pm
SDF
- PDX
2 stops10h 30m
Southwest
Deal found 5/8![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:55 pm
PDX
- SDF
1 stop7h 10m
Southwest
Wed 6/105:25 pm
SDF
- PDX
2 stops8h 10m
Southwest
Deal found 5/6![Southwest logo]()
$389
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:40 am
PDX
- SDF
1 stop6h 56m
American Airlines
Mon 6/87:48 pm
SDF
- PDX
1 stop8h 02m
American Airlines
Deal found 5/8![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:20 pm
PDX
- SDF
2 stops10h 55m
Southwest
Mon 6/88:05 pm
SDF
- PDX
1 stop6h 50m
Southwest
Deal found 5/6![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:30 pm
PDX
- SDF
1 stop7h 45m
Southwest
Sat 6/137:15 pm
SDF
- PDX
1 stop6h 30m
Southwest
Deal found 5/9![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:30 pm
PDX
- SDF
1 stop7h 35m
Southwest
Mon 6/153:35 pm
SDF
- PDX
1 stop6h 25m
Southwest
Deal found 5/7![Southwest logo]()
$393
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:59 pm
PDX
- SDF
1 stop8h 36m
American Airlines
Tue 6/167:18 pm
SDF
- PDX
1 stop7h 29m
American Airlines
Deal found 5/6![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:40 am
PDX
- SDF
1 stop9h 01m
American Airlines
Tue 6/307:18 pm
SDF
- PDX
1 stop7h 29m
American Airlines
Deal found 5/9![American Airlines logo]()
$364
One-way flights from Portland to LouisvilleSearch for one-way flight options from Portland to Louisville. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from Portland to Louisville. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:40 pm
PDX
- SDF
1 stop7h 47m
United Airlines
Deal found 5/7![United Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:59 pm
PDX
- SDF
1 stop8h 36m
American Airlines
Deal found 5/9![American Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:35 am
PDX
- SDF
2 stops8h 35m
Southwest
Deal found 5/7![Southwest logo]()
$170
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:15 pm
PDX
- SDF
1 stop7h 40m
Delta
Deal found 5/10![Delta logo]()
$178
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 am
PDX
- SDF
1 stop6h 59m
American Airlines
Deal found 5/6![American Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:30 pm
PDX
- SDF
2 stops10h 00m
Southwest
Deal found 5/7![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:15 am
PDX
- SDF
2 stops9h 30m
Southwest
Deal found 5/8![Southwest logo]()
$216
This Southwest deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:25 am
PDX
- SDF
2 stops14h 00m
Southwest
Deal found 5/9![Southwest logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:15 am
PDX
- SDF
3 stops42h 21m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:15 pm
PDX
- SDF
1 stop7h 40m
Delta
Deal found 5/9![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:06 pm
PDX
- SDF
3 stops37h 30m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:15 pm
PDX
- SDF
2 stops9h 10m
Southwest
Deal found 5/10![Southwest logo]()
$234
Find flight deals from Portland to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $165 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $437 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Louisville 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, Cheapflights users made 2,558,603 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from Portland to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Wed 9/16
10:45 pm-10:00 am
1 stop8h 15m
Louisville Intl
Tue 9/22
12:10 pm-5:45 pm
1 stop8h 35m
$329
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Wed 9/9
9:45 pm-9:53 am
1 stop9h 08m
Louisville Intl
Sun 9/13
7:25 pm-11:34 pm
1 stop7h 09m
$393
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Wed 10/7
11:55 am-9:41 pm
1 stop6h 46m
Louisville Intl
Sun 10/11
7:25 pm-11:47 pm
1 stop7h 22m
$393
Quickest round-trip
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Tue 6/9
11:30 pm-10:05 am
1 stop7h 35m
Louisville Intl
Mon 6/15
3:35 pm-7:00 pm
1 stop6h 25m
$393
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Tue 7/7
11:30 pm-10:05 am
1 stop7h 35m
Louisville Intl
Sat 7/11
2:55 pm-11:55 pm
2 stops12h 00m
$398
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Wed 9/16
11:15 pm-9:15 am
1 stop7h 00m
Louisville Intl
Sat 9/19
6:00 pm-11:09 pm
1 stop8h 09m
$431
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Sat 6/6
8:20 pm-10:15 am
2 stops10h 55m
Louisville Intl
Mon 6/8
3:35 pm-9:30 pm
2 stops8h 55m
$435
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Sun 6/7
9:45 pm-10:05 am
2 stops9h 20m
Louisville Intl
Sun 6/14
8:00 pm-12:05 am
1 stop7h 05m
$462
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Mon 6/1
11:55 pm-12:40 pm
2 stops9h 45m
Louisville Intl
Fri 6/5
3:35 pm-9:30 pm
2 stops8h 55m
$480
PortlandLouisville
PDX - SDF
PDXSDF
Portland
Tue 6/2
8:35 am-11:56 pm
2 stops12h 21m
Louisville Intl
Wed 6/3
3:30 pm-10:48 pm
1 stop10h 18m
$489
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Portland to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Louisville in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Portland with our price prediction graph.
PDX-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Louisville
How far ahead should I book a flight from Portland to Louisville?
The best time to book flights from Portland to Louisville is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Louisville?
Currently, October is the cheapest month in which you can book a flight from Portland to Louisville (average of $340). Flying from Portland to Louisville in December is currently the most expensive (average of $586). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Louisville?
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated May 11, 2026.
Read through reviews of airlines operating flights from Portland to Louisville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Portland to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown
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Alternative routes for Portland to Louisville
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Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Louisville by cabin class
Find flights from Portland to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
Portland and Louisville flights
Browse other Portland and Louisville flight options. Last updated on May 11, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Louisville
Discover the top 4 airlines that operate flights from Portland to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$441 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$494 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$299 | Average$436 | FlexibilityNo cancel fee | On-timeN/A |