What is the cheapest airline that flies from Porto to Missouri?

Lufthansa, British Airways, and Air Canada are the most popular carriers operating from Porto to Missouri

When did momondo last update prices for flights from Porto Airport to Missouri?

Prices for flights from Porto Airport to Missouri are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$529 Cheap Flights from Porto to Missouri in 2025

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Find the cheapest flights from Porto to Missouri

Round-trip

One-way

Cheap round-trip flights

6:00 am - 9:54 pmOPO-STL

21h 54m2 stops

11:20 am - 9:30 amSTL-OPO

16h 10m2 stops

$820United Airlines

Find Deal

Tue, Nov 18 - Mon, Nov 24

12:30 pm - 1:55 pmOPO-STL

31h 25m1 stop

11:49 am - 9:30 amSTL-OPO

15h 41m1 stop

$834Lufthansa

Find Deal

Tue, Nov 18 - Mon, Nov 24

4:15 pm - 1:55 pmOPO-STL

27h 40m1 stop

1:10 pm - 12:50 pmSTL-OPO

17h 40m2 stops

$838Lufthansa

Find Deal

Tue, Nov 18 - Mon, Nov 24

8:20 pm - 7:09 pmOPO-STL

28h 49m2 stops

7:59 pm - 8:20 pmSTL-OPO

18h 21m2 stops

$1,035British Airways

Find Deal

Wed, Aug 20 - Sun, Aug 24

7:00 am - 1:32 pmOPO-STL

36h 32m3 stops

2:30 pm - 6:05 pmSTL-OPO

21h 35m3 stops

$1,136

Find Deal

Wed, Aug 20 - Sun, Aug 24

9:35 am - 10:16 pmOPO-STL

18h 41m2 stops

5:21 pm - 6:55 amSTL-OPO

31h 34m1 stop

$1,192United Airlines

Find Deal

Wed, Aug 20 - Sun, Aug 24

7:00 am - 1:32 pmOPO-STL

36h 32m3 stops

1:30 pm - 1:10 pmSTL-OPO

17h 40m2 stops

$1,274

Find Deal

Wed, Aug 20 - Sun, Aug 24

6:30 am - 8:33 pmOPO-STL

20h 03m2 stops

2:15 pm - 3:30 pmSTL-OPO

19h 15m2 stops

$1,341Delta

Find Deal

Mon, Aug 18 - Fri, Aug 22

9:00 am - 11:44 pmOPO-STL

20h 44m1 stop

11:27 am - 6:50 amSTL-OPO

13h 23m1 stop

$1,424Lufthansa

Find Deal

Mon, Aug 18 - Fri, Aug 22

4:35 pm - 10:17 pmOPO-STL

35h 42m2 stops

10:08 am - 3:55 pmSTL-OPO

23h 47m2 stops

$1,503Iberia

Find Deal

Mon, Aug 18 - Fri, Aug 22

United Airlines flights from Porto to Missouri

Our best United Airlines deals on Porto to Missouri flight tickets

United Airlines

Nov 18

OPO6:00 amPorto

21h 54m

2 stops

STL9:54 pmLambert-St Louis

Nov 24

STL11:20 amLambert-St Louis

16h 10m

2 stops

OPO9:30 amPorto

$820

Find similar

United Airlines

Aug 20

OPO9:35 amPorto

18h 41m

2 stops

STL10:16 pmLambert-St Louis

Aug 24

STL5:21 pmLambert-St Louis

31h 34m

1 stop

OPO6:55 amPorto

$1,192

Find similar

United Airlines

Aug 18

OPO9:00 amPorto

34h 46m

1 stop

MCI1:46 pmKansas City

Aug 22

MCI11:33 amKansas City

13h 17m

2 stops

OPO6:50 amPorto

$1,482

Find similar

Lufthansa flights from Porto to Missouri

Our best Lufthansa deals on Porto to Missouri flight tickets

Lufthansa

Nov 18

OPO12:30 pmPorto

31h 25m

1 stop

STL1:55 pmLambert-St Louis

Nov 24

STL11:49 amLambert-St Louis

15h 41m

1 stop

OPO9:30 amPorto

$834

Find similar

Lufthansa

Nov 18

OPO4:15 pmPorto

27h 40m

1 stop

STL1:55 pmLambert-St Louis

Nov 24

STL1:10 pmLambert-St Louis

17h 40m

2 stops

OPO12:50 pmPorto

$838

Find similar

Lufthansa

Aug 18

OPO9:00 amPorto

20h 44m

1 stop

STL11:44 pmLambert-St Louis

Aug 22

STL11:27 amLambert-St Louis

13h 23m

1 stop

OPO6:50 amPorto

$1,424

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Tue 11/18

6:00 am-9:54 pm

2 stops21h 54m

Lambert-St Louis

Mon 11/24

11:20 am-9:30 am

2 stops16h 10m

$820

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Tue 11/18

12:30 pm-1:55 pm

1 stop31h 25m

Lambert-St Louis

Mon 11/24

11:49 am-9:30 am

1 stop15h 41m

$834

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Tue 11/18

4:15 pm-1:55 pm

1 stop27h 40m

Lambert-St Louis

Mon 11/24

1:10 pm-12:50 pm

2 stops17h 40m

$838

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Wed 8/20

8:20 pm-7:09 pm

2 stops28h 49m

Lambert-St Louis

Sun 8/24

7:59 pm-8:20 pm

2 stops18h 21m

$1,035

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Wed 8/20

7:00 am-1:32 pm

3 stops36h 32m

Lambert-St Louis

Sun 8/24

2:30 pm-6:05 pm

3 stops21h 35m

$1,136

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Wed 8/20

9:35 am-10:16 pm

2 stops18h 41m

Lambert-St Louis

Sun 8/24

5:21 pm-6:55 am

1 stop31h 34m

$1,192

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Wed 8/20

7:00 am-1:32 pm

3 stops36h 32m

Lambert-St Louis

Sun 8/24

1:30 pm-1:10 pm

2 stops17h 40m

$1,274

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Mon 8/18

6:30 am-8:33 pm

2 stops20h 03m

Lambert-St Louis

Fri 8/22

2:15 pm-3:30 pm

2 stops19h 15m

$1,341

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Mon 8/18

9:00 am-11:44 pm

1 stop20h 44m

Lambert-St Louis

Fri 8/22

11:27 am-6:50 am

1 stop13h 23m

$1,424

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Mon 8/18

4:35 pm-10:17 pm

2 stops35h 42m

Lambert-St Louis

Fri 8/22

10:08 am-3:55 pm

2 stops23h 47m

$1,503

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Missouri

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

Prices

Airlines

Can stopping save me money on Porto to Missouri flights?

You could potentially save up to 18% on your flight if you consider stops on a Porto to Missouri flight.

Cheap Porto to Missouri flight deals and tips

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

Best Price Found	$529
Fastest flight time	13h 10m
Direct flights	None
Airports in Missouri	1 airport

The best one-way flight to Missouri from Porto in the past 72 hours is $529. The best round-trip flight deal from Porto to Missouri found on momondo in the last 72 hours is $820.

The fastest flight from Porto to Missouri takes 13h 10m

There are no direct flights from Porto to Missouri. Popular non-direct route for this connection is Porto Airport - Lambert-St Louis Airport.

There is 1 airport near Missouri: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Porto Airport to Missouri?
Prices for flights from Porto Airport to Missouri are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to Missouri?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Porto.

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

All flight searches from Porto to Missouri on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Porto and Missouri 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 Porto to Missouri right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Porto to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.