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Cheap flights from Missouri to Porto from $493

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Porto departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missouri to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:57 am - 10:30 am
MCI
-
OPO
18h 33m2 stops
Delta Logo
5:00 am - 9:03 pm
OPO
-
MCI
22h 03m2 stops
$493Delta
Sun, Jan 18 - Sat, Jan 31
Multiple Airlines Logo
9:59 am - 10:30 am
STL
-
OPO
18h 31m2 stops
Multiple Airlines Logo
4:10 pm - 5:42 pm
OPO
-
STL
31h 32m2 stops
$493Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
11:29 am - 3:25 pm
MCI
-
OPO
21h 56m2 stops
United Airlines Logo
6:00 am - 7:47 pm
OPO
-
MCI
19h 47m2 stops
$506United Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
12:35 pm - 11:40 am
MCI
-
OPO
17h 05m2 stops
United Airlines Logo
12:30 pm - 7:56 pm
OPO
-
MCI
37h 26m2 stops
$527United Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
8:20 am - 3:25 pm
STL
-
OPO
25h 05m2 stops
United Airlines Logo
12:30 pm - 2:30 pm
OPO
-
STL
56h 00m2 stops
$527United Airlines
Wed, Feb 4 - Sun, Feb 8
Multiple Airlines Logo
1:15 pm - 11:40 am
MCI
-
OPO
17h 25m2 stops
Multiple Airlines Logo
4:50 pm - 7:48 pm
OPO
-
MCI
32h 58m2 stops
$542Multiple Airlines
Tue, Mar 24 - Mon, Mar 30
Iberia Logo
9:44 am - 7:40 am
MCI
-
OPO
16h 56m2 stops
Iberia Logo
8:40 pm - 12:11 am
OPO
-
MCI
33h 31m2 stops
$582Iberia
Sun, Mar 22 - Sun, Mar 29
Iberia Logo
2:03 pm - 8:00 pm
MCI
-
OPO
23h 57m2 stops
Iberia Logo
12:25 pm - 11:40 pm
OPO
-
MCI
17h 15m2 stops
$596Iberia
Wed, Apr 8 - Tue, Apr 14
Lufthansa Logo
11:30 am - 11:10 am
MCI
-
OPO
17h 40m2 stops
Lufthansa Logo
12:35 pm - 10:30 pm
OPO
-
MCI
15h 55m1 stop
$674Lufthansa
Mon, Mar 30 - Thu, Apr 23
Lufthansa Logo
1:15 pm - 10:25 pm
STL
-
OPO
27h 10m2 stops
Lufthansa Logo
6:00 am - 11:59 pm
OPO
-
STL
23h 59m2 stops
$687Lufthansa
Fri, Jan 16 - Tue, Jan 20

American Airlines flights from Missouri to Porto

Our best American Airlines deals on Missouri to Porto flight tickets
American Airlines
May 17
STL2:19 pmLambert-St Louis
15h 26m
2 stops
OPO11:45 amPorto
May 30
OPO8:20 amPorto
17h 42m
2 stops
STL8:02 pmLambert-St Louis
$1,028
Find similar
American Airlines
Mar 13
STL11:22 amLambert-St Louis
15h 18m
2 stops
OPO7:40 amPorto
Mar 21
OPO12:25 pmPorto
28h 04m
2 stops
STL11:29 amLambert-St Louis
$1,466
Find similar

Air Canada flights from Missouri to Porto

Our best Air Canada deals on Missouri to Porto flight tickets
Air Canada
Jan 14
STL1:15 pmLambert-St Louis
17h 50m
3 stops
OPO1:05 pmPorto
Jan 18
OPO6:55 amPorto
20h 18m
3 stops
STL9:13 pmLambert-St Louis
$1,831
Find similar
Air Canada
Mar 22
MCI1:15 pmKansas City
18h 45m
3 stops
OPO1:00 pmPorto
Mar 29
OPO11:00 amPorto
29h 27m
3 stops
MCI10:27 amKansas City
$2,312
Find similar
Air Canada
Apr 16
STL4:05 pmLambert-St Louis
20h 25m
2 stops
OPO6:30 pmPorto
Apr 20
OPO11:00 amPorto
17h 56m
3 stops
STL10:56 pmLambert-St Louis
$3,258
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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 December 23, 2025.
Use the filters below to find and compare flights from Missouri to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 1/18

9:57 am-10:30 am

2 stops18h 33m

Porto

Sat 1/31

5:00 am-9:03 pm

2 stops22h 03m

$493

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 2/4

9:59 am-10:30 am

2 stops18h 31m

Porto

Wed 2/11

4:10 pm-5:42 pm

2 stops31h 32m

$493

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/4

11:29 am-3:25 pm

2 stops21h 56m

Porto

Sun 2/8

6:00 am-7:47 pm

2 stops19h 47m

$506

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/4

12:35 pm-11:40 am

2 stops17h 05m

Porto

Sun 2/8

12:30 pm-7:56 pm

2 stops37h 26m

$527

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 2/4

8:20 am-3:25 pm

2 stops25h 05m

Porto

Sun 2/8

12:30 pm-2:30 pm

2 stops56h 00m

$527

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 3/24

1:15 pm-11:40 am

2 stops17h 25m

Porto

Mon 3/30

4:50 pm-7:48 pm

2 stops32h 58m

$542

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Sun 3/22

9:44 am-7:40 am

2 stops16h 56m

Porto

Sun 3/29

8:40 pm-12:11 am

2 stops33h 31m

$582

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 4/8

2:03 pm-8:00 pm

2 stops23h 57m

Porto

Tue 4/14

12:25 pm-11:40 pm

2 stops17h 15m

$596

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 3/30

11:30 am-11:10 am

2 stops17h 40m

Porto

Thu 4/23

12:35 pm-10:30 pm

1 stop15h 55m

$674

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Fri 1/16

1:15 pm-10:25 pm

2 stops27h 10m

Porto

Tue 1/20

6:00 am-11:59 pm

2 stops23h 59m

$687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto from

How to get the cheapest flight ticket from Missouri to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Thursday when prices can be found for as low as $752. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,465. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

At noon is the cheapest time of day to fly from Missouri to Porto when you can find flight prices for as low as $752. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,170 on average. Flights to Porto from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Missouri to Porto flights?

You could potentially save up to 16% on your flight if you consider stops on a Missouri to Porto flight.

Cheap Missouri to Porto flight deals and tips

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

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Missouri to Porto takes 11h 30m
There are no direct flights from Missouri to Porto. There are no popular flight routes from Missouri to Porto.
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  • When did momondo last update prices for flights from Missouri to Porto Airport?

    Prices for flights from Missouri to Porto Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Porto Airport?

  • How old do you have to be to fly from Missouri to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Porto

Compare and see reviews for airlines that fly from Missouri to Porto with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $520Free CancellationRating
6.8
7,650 reviews
Search Lufthansa flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
DeltaPriceFrom $713Free CancellationRating
7.9
8,015 reviews
Search Delta flights
Air CanadaPriceFrom $787Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights

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
Guimarães
Esposende
Lamego
Chaves
Viseu
Espinho
Arcos de Valdevez
Pinhao
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Porto. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Porto from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Missouri and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Porto from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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