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$644+ Cheap flights from Lexington (LEX) to Porto (OPO)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — OPO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Lexington to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Porto (OPO). 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 August 20, 2025.

Round-trip from

$644
(United Airlines)
From Lexington Blue Grass to Porto
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Find flight deals from Lexington to Porto

Cheapest flights from Lexington to Porto
Explore the most affordable flight options available from Lexington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/141:59 pmLEX - OPO
2 stops14h 31mUnited Airlines
Tue 11/186:00 amOPO - LEX
2 stops19h 54mUnited Airlines
Deal found 8/18$644
This KLM deal was found by Cheapflights users on 8/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:15 pmLEX - OPO
2 stops16h 20mKLM
Fri 10/109:20 amOPO - LEX
2 stops19h 44mKLM
Deal found 8/19$818
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/151:59 pmLEX - OPO
2 stops14h 46mUnited Airlines
Wed 12/36:00 amOPO - LEX
2 stops21h 30mUnited Airlines
Deal found 8/19$839
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/1511:10 amLEX - OPO
2 stops17h 35mUnited Airlines
Mon 12/112:30 pmOPO - LEX
2 stops33h 40mUnited Airlines
Deal found 8/19$859
This KLM deal was found by Cheapflights users on 8/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:53 pmLEX - OPO
2 stops17h 22mKLM
Fri 10/109:20 amOPO - LEX
2 stops19h 44mKLM
Deal found 8/19$878
This United deal was found by Cheapflights users on 8/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:48 pmLEX - OPO
2 stops36h 27mMultiple Airlines
Mon 12/14:15 pmOPO - LEX
2 stops33h 24mMultiple Airlines
Deal found 8/19$887
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:10 pmLEX - OPO
2 stops16h 05mLufthansa
Thu 10/96:00 amOPO - LEX
2 stops22h 59mLufthansa
Deal found 8/17$935
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/117:00 amLEX - OPO
2 stops19h 05mUnited Airlines
Wed 12/36:00 amOPO - LEX
2 stops21h 30mUnited Airlines
Deal found 8/19$959
This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 9/125:56 pmLEX - OPO
2 stops16h 34mDelta
Mon 12/111:15 amOPO - LEX
2 stops34h 55mDelta
Deal found 8/19$961
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/117:00 amLEX - OPO
2 stops19h 05mUnited Airlines
Tue 12/212:30 pmOPO - LEX
2 stops33h 40mUnited Airlines
Deal found 8/19$979
This Delta deal was found by Cheapflights users on 8/19. 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.
Mon 9/155:56 pmLEX - OPO
2 stops16h 34mDelta
Sun 11/3011:15 amOPO - LEX
2 stops34h 55mDelta
Deal found 8/19$1,031

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to Porto 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 August 20, 2025.
Use the filters below to find and compare flights from Lexington to Porto that are best for you.

Fly from

Lexington

Fly to

Porto

Route

Depart

Return

Price

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 11/14

10:40 am-9:30 am

2 stops17h 50m

Porto

Tue 11/18

6:00 am-8:54 pm

2 stops19h 54m

$644

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Wed 10/1

6:15 pm-3:35 pm

2 stops16h 20m

Porto

Fri 10/10

9:20 am-12:04 am

2 stops19h 44m

$818

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 9/15

1:59 pm-9:45 am

2 stops14h 46m

Porto

Wed 12/3

6:00 am-10:30 pm

2 stops21h 30m

$839

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 9/15

11:10 am-9:45 am

2 stops17h 35m

Porto

Mon 12/1

12:30 pm-5:10 pm

2 stops33h 40m

$859

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 9/15

11:10 am-6:55 am

2 stops14h 45m

Porto

Tue 12/2

12:30 pm-5:10 pm

2 stops33h 40m

$859

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 10/3

7:53 pm-6:15 pm

2 stops17h 22m

Porto

Fri 10/10

9:20 am-12:04 am

2 stops19h 44m

$878

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Sat 9/13

5:48 pm-11:15 am

2 stops36h 27m

Porto

Mon 12/1

4:15 pm-8:39 pm

2 stops33h 24m

$887

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 10/2

2:10 pm-11:15 am

2 stops16h 05m

Porto

Thu 10/9

6:00 am-11:59 pm

2 stops22h 59m

$935

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 9/11

7:00 am-7:05 am

2 stops19h 05m

Porto

Wed 12/3

6:00 am-10:30 pm

2 stops21h 30m

$959

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Sat 9/13

11:10 am-9:45 am

2 stops17h 35m

Porto

Wed 12/3

6:00 am-10:30 pm

2 stops21h 30m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 15 results
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Best time to book a flight from Lexington to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Lexington 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.

Cheapflights Insights

Everything you need to know about your flight from Lexington to Porto

What is the cheapest month to book a flight from Lexington to Porto?

Currently, January is the cheapest month in which you can book a flight from Lexington to Porto (average of $523). Flying from Lexington to Porto in June is currently the most expensive (average of $1,030). 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.

Related info for your journey

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

  • How long is the flight from Lexington to Porto?

    United Airlines and KLM can get you from Lexington to Porto in just under 16h 20m. Your travel time can differ by up to 1h 30m. The distance from Lexington to Porto is about 3909 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Lexington to Porto that include hotel bookings?

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

  • How can I find direct flights from Lexington to Porto?

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

  • Can I find deals for business class flights from Lexington to Porto?

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

  • What is the cheapest month to book a flight from Lexington to Porto?

    Currently, January is the cheapest month in which you can book a flight from Lexington to Porto (average of $523). Flying from Lexington to Porto in June is currently the most expensive (average of $1,030). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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