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Cheap flights from Louisville (SDF) to Portugal from $544

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. 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 — LIS
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Louisville to Portugal?

To save up to 176% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Louisville to Portugal from $782 1-2 weeks out and tickets from $1,465 for flights departing within the next 72 hours.

What is the cheapest month to fly from Louisville to Portugal?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, February can be a great choice for travel to Portugal. Flights to Portugal from Louisville in February are about $994 on average during February, but can be found for as low as $525.

When is the cheapest time to fly from Louisville to Portugal (SDF - PT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Portugal as you normally would.

Cheap United Airlines flights from Louisville to Portugal

Explore cheap flight options specifically provided by United Airlines for the route between Louisville and Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest United Airlines flights traveling from Louisville to Portugal. Deals update often to give you more flight options matching your criteria
Sun 9/110:30 amSDF - LIS
2 stops16h 50mUnited Airlines
Sun 9/86:15 amLIS - SDF
2 stops21h 00mUnited Airlines
Deal found 5/15$960
Sun 9/16:00 amSDF - LIS
1 stop23h 30mUnited Airlines
Sun 9/86:15 amLIS - SDF
2 stops21h 00mUnited Airlines
Deal found 5/15$963
Thu 9/129:48 amSDF - LIS
1 stop19h 42mUnited Airlines
Thu 9/1910:25 amLIS - SDF
1 stop13h 40mUnited Airlines
Deal found 5/15$1,002
Thu 9/129:48 amSDF - LIS
1 stop19h 42mUnited Airlines
Wed 9/1810:25 amLIS - SDF
1 stop13h 40mUnited Airlines
Deal found 5/15$1,044
Thu 9/129:48 amSDF - LIS
1 stop19h 42mUnited Airlines
Thu 9/1910:25 amLIS - SDF
2 stops15h 06mUnited Airlines
Deal found 5/15$1,047
Thu 9/129:48 amSDF - LIS
1 stop19h 42mUnited Airlines
Wed 9/1812:20 pmLIS - SDF
2 stops26h 22mUnited Airlines
Deal found 5/15$1,089
Sun 9/16:00 amSDF - LIS
1 stop23h 30mUnited Airlines
Sun 9/812:20 pmLIS - SDF
1 stop27h 08mUnited Airlines
Deal found 5/15$1,178
Tue 6/42:30 pmSDF - LIS
1 stop15h 00mUnited Airlines
Fri 6/146:15 amLIS - SDF
2 stops21h 29mUnited Airlines
Deal found 5/15$1,267
Wed 5/229:35 amSDF - LIS
1 stop19h 55mUnited Airlines
Sun 5/265:05 amLIS - SDF
2 stops22h 39mUnited Airlines
Deal found 5/15$2,542

Cheap Delta flights from Louisville to Portugal

Explore cheap flight options specifically provided by Delta for the route between Louisville and Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Delta flights traveling from Louisville to Portugal. Check back soon if you're not seeing flights that suit your needs.
Thu 9/128:40 amSDF - LIS
2 stops18h 20mDelta
Thu 9/1910:00 amLIS - SDF
2 stops17h 53mDelta
Deal found 5/15$1,006
Tue 6/46:15 pmSDF - LIS
2 stops18h 40mDelta
Fri 6/145:40 amLIS - SDF
2 stops18h 05mDelta
Deal found 5/15$1,046
Wed 5/224:10 pmSDF - LIS
2 stops17h 40mDelta
Sun 5/265:00 amLIS - SDF
2 stops19h 41mDelta
Deal found 5/15$1,560

Cheap Louisville to Portugal flights in May & June 2024

Find cheap flight options from Louisville to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
The lowest fares we've come across on flights traveling from Louisville to Portugal in May and June 2024. For more flight deals, be sure to check back very soon.
Tue 6/46:15 pmSDF - LIS
2 stops18h 40mDelta
Fri 6/145:40 amLIS - SDF
2 stops18h 05mDelta
Deal found 5/15$1,046
Tue 6/42:30 pmSDF - LIS
1 stop15h 00mUnited Airlines
Fri 6/146:15 amLIS - SDF
2 stops21h 29mUnited Airlines
Deal found 5/15$1,267
Wed 5/225:55 amSDF - LIS
3 stops30h 55mMultiple Airlines
Sun 5/266:00 amLIS - SDF
3 stops35h 37mMultiple Airlines
Deal found 5/15$1,438
Fri 5/172:35 pmSDF - LIS
1 stop14h 55mUnited Airlines
Sun 5/267:40 amLIS - SDF
2 stops20h 04mUnited Airlines
Deal found 5/16$1,467
Fri 5/177:15 amSDF - LIS
2 stops22h 15mUnited Airlines
Sun 5/267:40 amLIS - SDF
2 stops17h 36mUnited Airlines
Deal found 5/15$1,472
Wed 5/224:10 pmSDF - LIS
2 stops17h 40mDelta
Sun 5/265:00 amLIS - SDF
2 stops19h 41mDelta
Deal found 5/15$1,560
Wed 5/225:55 amSDF - LIS
3 stops30h 55mMultiple Airlines
Sun 5/265:05 amLIS - SDF
2 stops24h 54mMultiple Airlines
Deal found 5/15$1,623
Tue 6/411:12 amSDF - LIS
1 stop16h 53mAmerican Airlines
Fri 6/1411:05 amLIS - SDF
1 stop28h 28mAmerican Airlines
Deal found 5/15$1,777
Tue 6/411:00 amSDF - LIS
3 stops17h 20mMultiple Airlines
Fri 6/1411:25 amLIS - SDF
2 stops13h 37mMultiple Airlines
Deal found 5/15$1,897

Louisville to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Louisville and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
The lowest fares we've come across on flights traveling from Louisville to Portugal in May and June 2024. For more flight deals, be sure to check back very soon.
Sun 12/110:00 amSDF - LIS
1 stop19h 30mUnited Airlines
Thu 12/1211:00 amLIS - SDF
2 stops32h 47mUnited Airlines
Deal found 5/16$544
Sun 12/15:50 pmSDF - LIS
2 stops34h 30mUnited Airlines
Thu 12/1211:00 amLIS - SDF
2 stops32h 47mUnited Airlines
Deal found 5/15$549
Sun 12/14:02 pmSDF - LIS
2 stops17h 48mAmerican Airlines
Thu 12/128:25 amLIS - SDF
2 stops16h 03mAmerican Airlines
Deal found 5/15$561
Sun 12/14:02 pmSDF - LIS
2 stops17h 48mAmerican Airlines
Thu 12/128:45 amLIS - SDF
1 stop17h 04mAmerican Airlines
Deal found 5/15$563
Sun 12/110:00 amSDF - LIS
1 stop19h 30mUnited Airlines
Thu 12/1210:15 amLIS - SDF
1 stop13h 44mUnited Airlines
Deal found 5/16$566
Sun 12/17:54 amSDF - LIS
1 stop20h 01mAmerican Airlines
Thu 12/128:45 amLIS - SDF
1 stop14h 00mAmerican Airlines
Deal found 5/15$621
Fri 11/292:40 pmSDF - LIS
1 stop14h 50mUnited Airlines
Tue 12/310:15 amLIS - SDF
1 stop13h 44mUnited Airlines
Deal found 5/14$666
Fri 11/2910:00 amSDF - LIS
1 stop19h 30mUnited Airlines
Tue 12/35:00 amLIS - SDF
2 stops22h 14mUnited Airlines
Deal found 5/14$669
Fri 11/292:59 pmSDF - LIS
2 stops13h 01mDelta
Tue 12/311:15 amLIS - SDF
2 stops16h 38mDelta
Deal found 5/15$670

Louisville to Portugal flights leaving soon

Find last-minute flight options from Louisville to Portugal 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 2,637,452 searches. Data last updated May 16, 2024.
Consider one of these great deals we found on last-minute flights from Louisville to Portugal. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/225:55 amSDF - LIS
3 stops30h 55mMultiple Airlines
Sun 5/266:00 amLIS - SDF
3 stops35h 37mMultiple Airlines
Deal found 5/15$1,438
Wed 5/224:10 pmSDF - LIS
2 stops17h 40mDelta
Sun 5/265:00 amLIS - SDF
2 stops19h 41mDelta
Deal found 5/15$1,560
Wed 5/225:55 amSDF - LIS
3 stops30h 55mMultiple Airlines
Sun 5/265:05 amLIS - SDF
2 stops24h 54mMultiple Airlines
Deal found 5/15$1,623
Wed 5/229:35 amSDF - LIS
1 stop19h 55mUnited Airlines
Sun 5/265:05 amLIS - SDF
2 stops22h 39mUnited Airlines
Deal found 5/15$2,542
Wed 5/2212:49 pmSDF - LIS
1 stop14h 31mLufthansa
Sun 5/2610:25 amLIS - SDF
1 stop14h 51mLufthansa
Deal found 5/15$4,416

Find flights from Louisville to Portugal within your budget

Customize your flight search to find flights from Louisville to Portugal 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$960 - $1,865

Route

Depart

Return

Price

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Sun 9/1

2 stops16h 50m

Lisbon Humberto Delgado

Sun 9/8

2 stops21h 00m

$960

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Sun 9/1

1 stop23h 30m

Lisbon Humberto Delgado

Sun 9/8

2 stops21h 00m

$963

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Thu 9/12

1 stop19h 42m

Lisbon Humberto Delgado

Thu 9/19

1 stop13h 40m

$1,002

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Thu 9/12

2 stops18h 20m

Lisbon Humberto Delgado

Thu 9/19

2 stops17h 53m

$1,006

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Thu 9/12

2 stops30h 52m

Lisbon Humberto Delgado

Wed 9/18

2 stops45h 00m

$1,034

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Tue 6/4

2 stops18h 40m

Lisbon Humberto Delgado

Fri 6/14

2 stops18h 05m

$1,046

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Thu 9/12

2 stops14h 18m

Lisbon Humberto Delgado

Wed 9/18

3 stops27h 17m

$1,091

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Tue 6/4

1 stop16h 53m

Lisbon Humberto Delgado

Fri 6/14

1 stop28h 28m

$1,777

Louisville IntlLisbon Humberto Delgado

SDF - LIS

SDFLIS

Louisville Intl

Mon 7/8

2 stops19h 35m

Lisbon Humberto Delgado

Fri 7/12

2 stops13h 47m

$1,865

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 16, 2024.
Get a feel of what it's like to fly with United Airlines, Delta and Lufthansa from Louisville to Portugal by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,947 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Lufthansa
7.0
Good
7,659 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • What airport do you fly from for flights from Louisville to Portugal?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Portugal. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • Can I find flights from Louisville to Portugal for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Louisville to Portugal for under $1,000. The cheapest flight booked recently is on United Airlines for just $960, but on average you can expect to pay $1,390.

  • Are there last-minute flights available from Louisville to Portugal for under $1,500?

    There are currently 5+ open flights from Louisville to Portugal within the next 7 days for less than $1,500.

  • What are the most popular airlines that fly from Louisville to Portugal?

    The most popular airlines flying from Louisville to Portugal are American Airlines, Delta and Lufthansa. Something to consider prior to booking your flight.

  • What does SDF to LIS mean?

    SDF stands for Louisville Intl Airport, while LIS stands for Lisbon Humberto Delgado Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

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

    The amount of baggage you can bring on your Louisville to Portugal 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 Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Louisville to Portugal 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 Portugal that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Portugal 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 Portugal that allow pets onboard?

    Many airlines flying from Louisville to Portugal 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 Portugal?

    Yes, you can often find last-minute deals on Louisville to Portugal 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 Portugal flight deals updated?

    The Louisville to Portugal flight deals you see on this page were last updated on 5/16.

See more FAQs

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Top 4 airlines flying from Louisville to Portugal

Discover the top 4 airlines that operate flights from Louisville to Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$458Average$1,067FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$529Average$1,026FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$621Average$1,009FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest$876Average$1,439FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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Search flights from Louisville to Portugal by cabin class

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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Louisville to Portugal?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portugal from Louisville today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Louisville to Portugal?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portugal from Louisville.

Can Cheapflights find flights from Louisville to Portugal with no change fees?

Yes, we can. To see specific flights from Louisville to Portugal with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Louisville to Portugal become cheaper?

Not ready to book yet? You can track prices for flights from Louisville to Portugal on Cheapflights with our Price Alert feature and get notified when better prices are available.

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