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$671+ Cheap flights from Lexington (LEX) to Porto (OPO)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — OPO
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap 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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 12/77:00 am
LEX
-
OPO
2 stops21h 30m
United Airlines
Wed 12/912:35 pm
OPO
-
LEX
2 stops26h 36m
United Airlines
Deal found 7/27$726
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 9/67:00 am
LEX
-
OPO
2 stops43h 00m
United Airlines
Sun 9/1312:15 pm
OPO
-
LEX
2 stops40h 50m
United Airlines
Deal found 7/23$982
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/149:50 am
LEX
-
OPO
2 stops16h 05m
United Airlines
Sun 9/2012:15 pm
OPO
-
LEX
2 stops40h 50m
United Airlines
Deal found 7/23$983
This Air Canada deal was found by Cheapflights users on 7/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:57 pm
LEX
-
OPO
3 stops20h 03m
Multiple Airlines
Sun 9/2011:15 am
OPO
-
LEX
2 stops17h 50m
Multiple Airlines
Deal found 7/23$1,766
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/217:00 am
LEX
-
OPO
2 stops19h 00m
United Airlines
Sat 8/2211:20 am
OPO
-
LEX
2 stops30h 56m
United Airlines
Deal found 7/26$2,844

Find 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 July 28, 2026.

Round-trip from

$726
(United Airlines)

One-way from

$671
(United Airlines)
From Lexington Blue Grass to Porto
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One-way flight from Lexington Blue Grass to Porto
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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 July 28, 2026.
Use the filters below to find and compare flights from Lexington to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 12/7

7:00 am-9:30 am

2 stops21h 30m

Porto

Wed 12/9

12:35 pm-10:11 am

2 stops26h 36m

$726

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Sun 9/6

7:00 am-7:00 am

2 stops43h 00m

Porto

Sun 9/13

12:15 pm-12:05 am

2 stops40h 50m

$982

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 9/14

9:50 am-6:55 am

2 stops16h 05m

Porto

Sun 9/20

12:15 pm-12:05 am

2 stops40h 50m

$983
Quickest round-trip

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 9/14

1:57 pm-3:00 pm

3 stops20h 03m

Porto

Sun 9/20

11:15 am-12:05 am

2 stops17h 50m

$1,766

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 8/21

7:00 am-7:00 am

2 stops19h 00m

Porto

Sat 8/22

11:20 am-1:16 pm

2 stops30h 56m

$2,844
Cheapest one-way
Quickest one-way

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Tue 8/4

7:00 am-6:15 am

2 stops18h 15m

$671

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Wed 8/5

1:55 pm-3:00 pm

3 stops20h 05m

$811

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Tue 8/4

1:55 pm-5:00 pm

3 stops22h 05m

$1,583

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first

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.

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 can get you from Lexington to Porto in just under 21h 30m. Your travel time can differ by up to . The distance from Lexington to Porto is about 3909 mi.

  • 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.

See more FAQs

Traveling to a place near Porto?

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

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