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Cheap flights from Louisville to Portland (SDF - PWM) from $182

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SDF — PWM
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
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The best prices from Louisville Intl to Portland are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap flight deals from Louisville to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Portland (PWM). 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 mayo 30, 2024.

Popular in

November

Cheapest in

January

Round-trip from

$293

One-way from

$182
High demand for flights, 25% potential price rise
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Best time to find cheap flights, 36% potential price drop
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From Louisville Intl to Portland
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One-way flight from Louisville Intl to Portland
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What is the cheapest day to fly round-trip from Louisville to Portland, Maine?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Portland, Maine. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Louisville to Portland, Maine?

Users have found that booking a flight from Louisville to Portland, Maine at least 61 days early can save you up to 106% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Louisville to Portland, Maine for as little as $419 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $540 for flights departing within the next 3 days.

What is the cheapest month to fly from Louisville to Portland, Maine?

January is one of the best times of the year to fly to Portland, Maine from Louisville. Prices for January average $417 per person but you can even find prices for as low as $243. The most expensive prices can be found in the month of November. Opting for a January flight can save you 33% on your journey compared to booking in November

What is the cheapest time of day to fly from SDF to PWM?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from Louisville to Portland, Maine by exploring options for tickets in the evening.

Cheap United Airlines flights from Louisville to Portland

Explore cheap flight options specifically provided by United Airlines for the route between Louisville and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Louisville to Portland. Make sure to check back often as deals are often changing.
mar. 10/226:00 amSDF - PWM
1 stop4h 31mUnited Airlines
lun. 10/287:22 pmPWM - SDF
2 stops14h 35mUnited Airlines
Deal found 5/29$411
mar. 10/226:00 amSDF - PWM
1 stop4h 31mUnited Airlines
lun. 10/287:22 pmPWM - SDF
2 stops17h 03mUnited Airlines
Deal found 5/30$412
lun. 8/192:29 pmSDF - PWM
1 stop5h 17mUnited Airlines
vie. 8/238:40 amPWM - SDF
2 stops11h 38mUnited Airlines
Deal found 5/29$441
mar. 7/236:00 amSDF - PWM
1 stop4h 32mUnited Airlines
dom. 7/285:30 amPWM - SDF
1 stop5h 14mUnited Airlines
Deal found 5/29$446
mar. 7/238:45 amSDF - PWM
2 stops12h 10mUnited Airlines
dom. 7/285:30 amPWM - SDF
1 stop5h 14mUnited Airlines
Deal found 5/29$526
mié. 7/108:45 amSDF - PWM
2 stops15h 08mUnited Airlines
sáb. 7/205:30 amPWM - SDF
1 stop4h 44mUnited Airlines
Deal found 5/29$530
jue. 6/206:00 amSDF - PWM
1 stop17h 58mUnited Airlines
dom. 6/235:30 amPWM - SDF
1 stop5h 14mUnited Airlines
Deal found 5/29$533
dom. 10/66:00 amSDF - PWM
1 stop4h 31mUnited Airlines
sáb. 10/124:50 pmPWM - SDF
2 stops17h 34mUnited Airlines
Deal found 5/29$551
mar. 7/307:00 amSDF - PWM
1 stop6h 51mUnited Airlines
sáb. 8/35:30 amPWM - SDF
2 stops14h 56mUnited Airlines
Deal found 5/29$565

Cheap American Airlines flights from Louisville to Portland

Explore cheap flight options specifically provided by American Airlines for the route between Louisville and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Louisville to Portland. Check back soon if you're not seeing flights that suit your needs.
mié. 6/266:20 amSDF - PWM
1 stop5h 50mAmerican Airlines
mié. 7/31:00 pmPWM - SDF
1 stop6h 31mAmerican Airlines
Deal found 5/29$255
mié. 10/26:20 amSDF - PWM
1 stop6h 06mAmerican Airlines
mié. 10/96:07 amPWM - SDF
1 stop4h 23mAmerican Airlines
Deal found 5/28$265
lun. 8/198:10 pmSDF - PWM
1 stop4h 30mAmerican Airlines
sáb. 8/243:58 pmPWM - SDF
1 stop6h 22mAmerican Airlines
Deal found 5/29$273
mar. 6/258:16 pmSDF - PWM
1 stop4h 36mAmerican Airlines
sáb. 6/295:32 pmPWM - SDF
1 stop6h 54mAmerican Airlines
Deal found 5/30$274
lun. 9/166:00 amSDF - PWM
1 stop5h 46mAmerican Airlines
sáb. 9/214:03 pmPWM - SDF
1 stop5h 54mAmerican Airlines
Deal found 5/29$275
lun. 8/198:10 pmSDF - PWM
1 stop4h 30mAmerican Airlines
vie. 8/233:58 pmPWM - SDF
1 stop6h 22mAmerican Airlines
Deal found 5/29$283
vie. 9/64:47 pmSDF - PWM
1 stop6h 23mAmerican Airlines
lun. 9/94:03 pmPWM - SDF
1 stop5h 54mAmerican Airlines
Deal found 5/28$291
mié. 7/176:23 amSDF - PWM
1 stop5h 54mAmerican Airlines
lun. 7/223:59 pmPWM - SDF
1 stop7h 54mAmerican Airlines
Deal found 5/29$299
mié. 7/176:23 amSDF - PWM
1 stop5h 54mAmerican Airlines
lun. 7/223:59 pmPWM - SDF
1 stop7h 54mAmerican Airlines
Deal found 5/30$303

Cheap Louisville to Portland flights in May & June 2024

Find cheap flight options from Louisville to Portland specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.
The lowest fares we've come across on flights traveling from Louisville to Portland in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mié. 6/266:20 amSDF - PWM
1 stop5h 50mAmerican Airlines
mié. 7/31:00 pmPWM - SDF
1 stop6h 31mAmerican Airlines
Deal found 5/29$255
mar. 6/258:16 pmSDF - PWM
1 stop4h 36mAmerican Airlines
sáb. 6/295:32 pmPWM - SDF
1 stop6h 54mAmerican Airlines
Deal found 5/30$274
mié. 6/263:31 pmSDF - PWM
2 stops8h 53mDelta
mié. 7/36:15 amPWM - SDF
1 stop5h 11mDelta
Deal found 5/29$289
mié. 6/263:31 pmSDF - PWM
2 stops8h 53mDelta
mié. 7/35:37 amPWM - SDF
2 stops7h 23mDelta
Deal found 5/29$294
vie. 6/147:26 pmSDF - PWM
1 stop15h 45mSun Country Air
dom. 6/231:20 pmPWM - SDF
1 stop22h 39mSun Country Air
Deal found 5/29$297
jue. 6/136:20 amSDF - PWM
1 stop5h 54mAmerican Airlines
vie. 6/214:00 pmPWM - SDF
1 stop6h 07mAmerican Airlines
Deal found 5/28$314
jue. 6/136:20 amSDF - PWM
1 stop5h 54mAmerican Airlines
sáb. 6/225:31 amPWM - SDF
1 stop5h 02mAmerican Airlines
Deal found 5/29$316
jue. 6/138:22 amSDF - PWM
1 stop6h 48mAmerican Airlines
sáb. 6/225:31 amPWM - SDF
1 stop5h 02mAmerican Airlines
Deal found 5/30$385
vie. 6/288:42 pmSDF - PWM
2 stops14h 33mMultiple Airlines
lun. 7/17:39 pmPWM - SDF
2 stops21h 44mMultiple Airlines
Deal found 5/28$392

Louisville to Portland 2024 flight deals

Discover exclusive flight deals for travel between Louisville and Portland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
The lowest fares we've come across on flights traveling from Louisville to Portland in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mié. 6/266:20 amSDF - PWM
1 stop5h 50mAmerican Airlines
mié. 7/31:00 pmPWM - SDF
1 stop6h 31mAmerican Airlines
Deal found 5/29$255
mié. 10/26:20 amSDF - PWM
1 stop6h 06mAmerican Airlines
mié. 10/96:07 amPWM - SDF
1 stop4h 23mAmerican Airlines
Deal found 5/28$265
lun. 8/198:10 pmSDF - PWM
1 stop4h 30mAmerican Airlines
sáb. 8/243:58 pmPWM - SDF
1 stop6h 22mAmerican Airlines
Deal found 5/29$273
mar. 6/258:16 pmSDF - PWM
1 stop4h 36mAmerican Airlines
sáb. 6/295:32 pmPWM - SDF
1 stop6h 54mAmerican Airlines
Deal found 5/30$274
lun. 9/166:00 amSDF - PWM
1 stop5h 46mAmerican Airlines
sáb. 9/214:03 pmPWM - SDF
1 stop5h 54mAmerican Airlines
Deal found 5/29$275
lun. 8/193:27 pmSDF - PWM
1 stop6h 33mDelta
sáb. 8/245:37 amPWM - SDF
2 stops10h 10mDelta
Deal found 5/29$281
lun. 9/167:20 amSDF - PWM
1 stop4h 47mDelta
sáb. 9/2112:55 pmPWM - SDF
2 stops11h 03mDelta
Deal found 5/29$282
lun. 8/198:10 pmSDF - PWM
1 stop4h 30mAmerican Airlines
vie. 8/233:58 pmPWM - SDF
1 stop6h 22mAmerican Airlines
Deal found 5/29$283
mié. 6/263:31 pmSDF - PWM
2 stops8h 53mDelta
mié. 7/36:15 amPWM - SDF
1 stop5h 11mDelta
Deal found 5/29$289

Louisville to Portland flights leaving soon

Find last-minute flight options from Louisville to Portland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Have a look at some of the last-minute flights available departing from Louisville to Portland. To prevent any unwanted surprises, users should verify their flight info before booking.
mar. 6/46:01 pmSDF - PWM
1 stop4h 43mAmerican Airlines
sáb. 6/85:33 pmPWM - SDF
1 stop6h 53mAmerican Airlines
Deal found 5/29$625
mar. 6/412:25 pmSDF - PWM
1 stop4h 35mDelta
sáb. 6/81:34 pmPWM - SDF
2 stops9h 15mDelta
Deal found 5/29$633
mar. 6/46:00 amSDF - PWM
2 stops8h 11mDelta
sáb. 6/812:50 pmPWM - SDF
2 stops11h 23mDelta
Deal found 5/29$638

One-way flights to Portland from Louisville

Search for one-way flight options from Louisville to Portland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Take a look at some of the one-way flights we've detected from Louisville to Portland. Users can also find round-trip Louisville to Portland flights by using the search form above.
lun. 6/245:31 pmSDF - PWM
1 stop7h 21mAmerican Airlines
Deal found 5/29$182
sáb. 6/88:16 pmSDF - PWM
1 stop4h 36mAmerican Airlines
Deal found 5/29$219
sáb. 6/83:31 pmSDF - PWM
2 stops7h 50mDelta
Deal found 5/29$225
lun. 6/243:31 pmSDF - PWM
2 stops8h 53mDelta
Deal found 5/29$258

Find flights from Louisville to Portland within your budget

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, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$255 - $411

Route

Depart

Return

Price

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

mié. 6/26

1 stop5h 50m

Portland

mié. 7/3

1 stop6h 31m

$255

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

mié. 10/2

1 stop6h 06m

Portland

mié. 10/9

1 stop4h 23m

$265

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

lun. 8/19

1 stop4h 30m

Portland

sáb. 8/24

1 stop6h 22m

$273

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

lun. 8/19

1 stop6h 33m

Portland

sáb. 8/24

2 stops10h 10m

$281

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

lun. 9/16

1 stop4h 47m

Portland

sáb. 9/21

2 stops11h 03m

$282

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

vie. 6/14

1 stop15h 45m

Portland

dom. 6/23

1 stop22h 39m

$297

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

jue. 7/4

2 stops23h 03m

Portland

dom. 7/7

2 stops22h 48m

$364

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

vie. 7/26

1 stop16h 15m

Portland

lun. 7/29

1 stop13h 29m

$376

Louisville IntlPortland

SDF - PWM

SDFPWM

Louisville Intl

mar. 10/22

1 stop4h 31m

Portland

lun. 10/28

2 stops14h 35m

$411

Flights are sorted by cheapest first

Deals found on 5/29

How far ahead should I book a flight from Louisville to Portland, Maine?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Portland. Price data was last updated on May 24, 2024.
The best time to book flights from Louisville to Portland, Maine is 60 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.
Search Deals

What is the cheapest day to fly from Louisville to Portland, Maine?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Portland. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Louisville to Portland, Maine flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Louisville to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Louisville with our price prediction graph.
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.

Temperature and rainfall in Portland by month

Plan your trip to Portland by taking into account the average temperature and rainfall totals by month.

PWM

Temperature

23 - 68 °F

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated mayo 30, 2024.
Read through reviews of airlines operating flights from Louisville to Portland, such as United Airlines, American Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

Breeze Airways
8.1
Very good
77 reviews
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

Delta
8.0
Very good
10,457 reviews
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

United Airlines
7.4
Good
10,777 reviews
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

American Airlines
7.3
Good
14,284 reviews
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

Sun Country Air
7.2
Good
596 reviews
Breeze Airways
8.1
Very good
77 reviews
Check prices

Crew

8.9

Entertainment

6.5

Food

6.8

Comfort

8.1

Boarding

8.3

Overall

8.1

Reviews

1 / 6

Flight was canceled due to hurricane, understandable. Trying to use the website to get a refund was a horror show!!!! No phone number to speak with a person. Web site just kept looping back to the beginning. Website was convoluted, complicated, and not user friendly!!!! Hoping NEVER to 'attempt' to use Breeze Airways again and will NOT recommend them to any of my relatives, friends and/or business associates!!!!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Louisville to Portland, Maine for under $300 on Cheapflights?

    Yes, there are multiple flights from Louisville to Portland, Maine for under $300. The cheapest flight booked recently is on American Airlines for just $255, but on average you can expect to pay $293.

  • Are there last-minute flights available from Louisville to Portland, Maine for under $700?

    There are currently 3+ open flights from Louisville to Portland, Maine within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Louisville to Portland, Maine round-trip?

    Cheapflights users have booked flights from Louisville to Portland, Maine round-trip from $255. Other airlines that can offer you cheap pricing are Delta, from $281, and Sun Country Air, from $297. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does SDF to PWM mean?

    Great question - SDF to PWM just means Louisville Intl Airport to Portland Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Louisville to Portland that include extra baggage allowance?

    The amount of baggage you can bring on your Louisville to Portland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Louisville to Portland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Louisville to Portland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Louisville to Portland that include hotel bookings?

    Yes. In addition to deals on Louisville to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Portland.

  • Can I find deals for business class flights from Louisville to Portland?

    Yes. Cheapflights offers flight deals from Louisville to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Louisville to Portland that allow pets onboard?

    Many airlines flying from Louisville to Portland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Louisville to Portland?

    Yes, you can often find last-minute deals on Louisville to Portland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Louisville to Portland, Maine flight deals updated?

    The Louisville to Portland, Maine flight deals you see on this page were last updated on 5/30.

  • What are the most popular airlines that fly from Louisville to Portland, Maine?

    Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Louisville to Portland, Maine.

  • What is the cheapest month to book a flight from Louisville to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Portland, Maine (average of $293). Flying from Louisville to Portland, Maine in April is currently the most expensive (average of $498). 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.

See more FAQs

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Top 3 airlines flying from Louisville to Portland

Discover the top 3 airlines that operate flights from Louisville to Portland. 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 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$270Average$387FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$274Average$399FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$282Average$402FlexibilityNo cancel feeOn-time71%
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Search flights from Louisville to Portland by cabin class

Find flights from Louisville to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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