Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Lexington to Porto from $721

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Porto departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Lexington to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 9:30 am
LEX
-
OPO
21h 30m
2 stops
United Airlines Logo
12:35 pm - 10:11 am
OPO
-
LEX
26h 36m
2 stops
$721United Airlines
Mon, Dec 7 - Wed, Dec 9
United Airlines Logo
1:58 pm - 7:00 am
LEX
-
OPO
36h 02m
2 stops
United Airlines Logo
12:15 pm - 5:11 pm
OPO
-
LEX
33h 56m
2 stops
$917United Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
3:32 pm - 3:25 pm
LEX
-
OPO
18h 53m
2 stops
Delta Logo
5:00 am - 9:28 pm
OPO
-
LEX
21h 28m
2 stops
$940Delta
Fri, Aug 14 - Thu, Aug 20
United Airlines Logo
9:52 am - 6:15 am
LEX
-
OPO
15h 23m
2 stops
United Airlines Logo
12:15 pm - 12:05 am
OPO
-
LEX
16h 50m
3 stops
$942United Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
6:12 pm - 3:25 pm
LEX
-
OPO
16h 13m
2 stops
Delta Logo
5:00 am - 5:20 pm
OPO
-
LEX
17h 20m
2 stops
$1,000Delta
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
1:51 pm - 4:00 pm
LEX
-
OPO
21h 09m
2 stops
Multiple Airlines Logo
6:00 am - 12:05 am
OPO
-
LEX
23h 05m
2 stops
$1,053Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Delta Logo
6:12 pm - 3:25 pm
LEX
-
OPO
16h 13m
2 stops
Delta Logo
5:00 am - 5:20 pm
OPO
-
LEX
17h 20m
2 stops
$1,062Delta
Thu, Sep 3 - Wed, Sep 9
United Airlines Logo
9:52 am - 7:10 am
LEX
-
OPO
40h 18m
2 stops
United Airlines Logo
6:00 am - 12:05 am
OPO
-
LEX
23h 05m
2 stops
$1,067United Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
1:51 pm - 2:30 pm
LEX
-
OPO
19h 39m
3 stops
Multiple Airlines Logo
11:50 am - 11:55 pm
OPO
-
LEX
17h 05m
2 stops
$1,445Multiple Airlines
Fri, Aug 14 - Thu, Aug 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Lexington to Porto

Our best United Airlines deals on Lexington to Porto flight tickets
United Airlines
Dec 7
LEX7:00 amLexington Blue Grass
21h 30m
2 stops
OPO9:30 amPorto
Dec 9
OPO12:35 pmPorto
26h 36m
2 stops
LEX10:11 amLexington Blue Grass
$721
United Airlines
Sep 1
LEX1:58 pmLexington Blue Grass
36h 02m
2 stops
OPO7:00 amPorto
Sep 8
OPO12:15 pmPorto
33h 56m
2 stops
LEX5:11 pmLexington Blue Grass
$917
United Airlines
Sep 1
LEX9:52 amLexington Blue Grass
15h 23m
2 stops
OPO6:15 amPorto
Sep 8
OPO12:15 pmPorto
16h 50m
3 stops
LEX12:05 amLexington Blue Grass
$942

Delta flights from Lexington to Porto

Our best Delta deals on Lexington to Porto flight tickets
Delta
Aug 14
LEX3:32 pmLexington Blue Grass
18h 53m
2 stops
OPO3:25 pmPorto
Aug 20
OPO5:00 amPorto
21h 28m
2 stops
LEX9:28 pmLexington Blue Grass
$940
Delta
Sep 3
LEX6:12 pmLexington Blue Grass
16h 13m
2 stops
OPO3:25 pmPorto
Sep 9
OPO5:00 amPorto
17h 20m
2 stops
LEX5:20 pmLexington Blue Grass
$1,000
Delta
Sep 3
LEX6:12 pmLexington Blue Grass
16h 13m
2 stops
OPO3:25 pmPorto
Sep 9
OPO5:00 amPorto
17h 20m
2 stops
LEX5:20 pmLexington Blue Grass
$1,062

momondo 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, momondo users made 832,500 searches. Data last updated July 21, 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

$721

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Tue 9/1

1:58 pm-7:00 am

2 stops36h 02m

Porto

Tue 9/8

12:15 pm-5:11 pm

2 stops33h 56m

$917

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 8/14

3:32 pm-3:25 pm

2 stops18h 53m

Porto

Thu 8/20

5:00 am-9:28 pm

2 stops21h 28m

$940
Quickest round-trip

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Tue 9/1

9:52 am-6:15 am

2 stops15h 23m

Porto

Tue 9/8

12:15 pm-12:05 am

3 stops16h 50m

$942

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 9/3

6:12 pm-3:25 pm

2 stops16h 13m

Porto

Wed 9/9

5:00 am-5:20 pm

2 stops17h 20m

$1,000

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 9/3

1:51 pm-4:00 pm

2 stops21h 09m

Porto

Wed 9/9

6:00 am-12:05 am

2 stops23h 05m

$1,053

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 9/3

6:12 pm-3:25 pm

2 stops16h 13m

Porto

Wed 9/9

5:00 am-5:20 pm

2 stops17h 20m

$1,062

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Thu 9/3

9:52 am-7:10 am

2 stops40h 18m

Porto

Wed 9/9

6:00 am-12:05 am

2 stops23h 05m

$1,067

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 8/14

1:51 pm-2:30 pm

3 stops19h 39m

Porto

Thu 8/20

11:50 am-11:55 pm

2 stops17h 05m

$1,445

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Lexington to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Lexington to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lexington to Porto (LEX to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lexington to Porto

Fastest flight time

21h 30m

Direct flights

None
The fastest flight from Lexington to Porto takes 21h 30m
There are no direct flights from Lexington to Porto. There are no popular flight routes from Lexington to Porto.
Search flight deals

Frequently asked questions about flying from Lexington to Porto

  • How far is Lexington Blue Grass to Porto by plane?

    A flight from Lexington Blue Grass to Porto will travel around 3909.0 mi. 21h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lexington Blue Grass Airport to Porto Airport?

    Prices for flights from Lexington Blue Grass Airport to Porto Airport refresh daily.

  • How old do you have to be to fly from Lexington Blue Grass Airport to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Lexington to Porto

  • How do I get Price Alerts for flights from Lexington to Porto?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Lexington from Porto. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Lexington to Porto with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Esposende
Lamego
Pinhao
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Lexington to Porto?

It is quick and easy to find Lexington to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from Lexington to Porto with flexible booking policies on momondo?

Flights from Lexington to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Lexington to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lexington to Porto.

I’m not ready to book a flight from Lexington to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Lexington to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/20
Thu 8/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal