How does KAYAK find such low prices on flights from Missouri to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$397 CHEAP FLIGHTS from Missouri to Porto

OPO

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

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Cheap Flights from Missouri to Porto

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Porto

Tue, Apr 28 - Tue, May 5

5:46 pm - 3:25 pm

MCI

OPO

15h 39m

2 stops

11:30 am - 11:50 pm

OPO

MCI

18h 20m

2 stops

$671Multiple Airlines

Sun, Apr 19 - Tue, May 5

7:05 am - 11:45 am

MCI

OPO

22h 40m

2 stops

8:20 am - 7:20 pm

OPO

MCI

17h 00m

2 stops

$684Iberia

Mon, Apr 27 - Mon, May 4

12:27 pm - 11:45 am

STL

OPO

17h 18m

2 stops

8:40 pm - 10:19 pm

OPO

STL

31h 39m

2 stops

$727Iberia

Wed, Apr 29 - Wed, May 6

6:15 am - 11:20 am

MCI

OPO

23h 05m

2 stops

6:00 am - 10:29 pm

OPO

MCI

22h 29m

2 stops

$742United Airlines

Sun, Apr 19 - Tue, May 5

6:00 am - 9:45 am

MCI

OPO

21h 45m

1 stop

6:00 am - 10:18 pm

OPO

MCI

22h 18m

2 stops

$756United Airlines

Tue, Apr 7 - Tue, Apr 14

3:21 pm - 11:25 am

MCI

OPO

38h 04m

2 stops

12:15 pm - 9:59 pm

OPO

MCI

39h 44m

2 stops

$757SWISS

Wed, Apr 29 - Wed, May 6

2:33 pm - 11:45 am

STL

OPO

15h 12m

2 stops

8:20 am - 10:17 pm

OPO

STL

19h 57m

2 stops

$764Iberia

Sat, Apr 11 - Sat, Apr 18

6:28 pm - 8:35 pm

MCI

OPO

44h 07m

2 stops

10:40 am - 9:56 pm

OPO

MCI

41h 16m

2 stops

$819British Airways

Sat, Aug 15 - Sun, Aug 23

6:20 pm - 6:55 am

MCI

OPO

30h 35m

2 stops

12:15 pm - 3:52 pm

OPO

MCI

33h 37m

2 stops

$824United Airlines

Thu, May 7 - Tue, May 12

11:45 am - 11:45 am

STL

OPO

18h 00m

2 stops

8:20 am - 10:19 pm

OPO

STL

19h 59m

2 stops

$869American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$397

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 25% increase in price.

Flight from St. Louis to Porto

How does KAYAK find such low prices on flights from Missouri to Porto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Porto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lamego

Guimarães

Chaves

Pinhao

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Baiao

Santa Maria da Feira

Caminha

Mira

Penafiel

Amares

Curia

Everything you need to know for your flight to Porto

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$397 Find Cheap Flights from Missouri to Porto

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

Cheap Flights from Missouri to Porto

Recent round-trip flight deals from Missouri to Porto

Recent one-way flight deals from Missouri to Porto

Recent last minute flight deals from Missouri to Porto

Good to know

FAQs for booking flights from Missouri to Porto

How does KAYAK find such low prices on flights from Missouri to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Porto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Cabin class types available on flights to Missouri

Complete your trip to Porto with a hotel stay or car rental

Find direct flights for Porto

Flights to other popular destinations

Flights from domestic origins to Porto

Choose which airport to fly into in Porto

Find deals for your return flight