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>

$345 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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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$493

Overall average: $492

Multiple Airlines

Sat 1/17Sat 1/24

MCI - OPO • 2 stops

Cheapest one-way

$345

Multiple Airlines

Sun 3/29

STL - OPO • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto!

Flight Deals

Cheap Flights from Missouri to Porto

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Recent round-trip flight deals from Missouri to Porto

Sat, Jan 17 - Sat, Jan 24

9:57 am - 10:30 am

MCI

OPO

18h 33m2 stops

5:00 am - 9:03 pm

OPO

MCI

22h 03m2 stops

$493Multiple Airlines

Fri, Jan 23 - Tue, Jan 27

3:50 pm - 11:40 am

STL

OPO

13h 50m1 stop

6:00 am - 11:02 am

OPO

STL

35h 02m2 stops

$502United Airlines

Fri, Jan 30 - Tue, Feb 3

10:00 am - 11:40 am

MCI

OPO

19h 40m2 stops

6:00 am - 8:33 pm

OPO

MCI

20h 33m2 stops

$506United Airlines

Fri, Jan 23 - Tue, Jan 27

9:57 am - 11:40 am

STL

OPO

19h 43m2 stops

6:00 am - 2:30 pm

OPO

STL

38h 30m2 stops

$506United Airlines

Sat, Jan 31 - Sat, Feb 7

6:30 pm - 11:40 am

MCI

OPO

35h 10m2 stops

12:30 pm - 7:47 pm

OPO

MCI

37h 17m2 stops

$527United Airlines

Tue, Mar 24 - Mon, Mar 30

1:15 pm - 11:40 am

MCI

OPO

17h 25m2 stops

4:35 pm - 9:48 pm

OPO

MCI

35h 13m2 stops

$562Lufthansa

Tue, Mar 24 - Mon, Mar 30

12:34 pm - 11:40 am

MCI

OPO

18h 06m2 stops

4:35 pm - 9:48 pm

OPO

MCI

35h 13m2 stops

$594Lufthansa

Tue, Mar 24 - Mon, Mar 30

9:43 am - 10:30 am

MCI

OPO

19h 47m2 stops

5:00 am - 7:19 pm

OPO

MCI

20h 19m2 stops

$618Delta

Tue, Mar 24 - Mon, Mar 30

1:15 pm - 11:40 am

MCI

OPO

17h 25m2 stops

12:35 pm - 10:29 pm

OPO

MCI

15h 54m1 stop

$690Lufthansa

Wed, Apr 8 - Tue, Apr 14

2:10 pm - 3:30 pm

MCI

OPO

19h 20m2 stops

5:00 am - 9:10 pm

OPO

MCI

22h 10m2 stops

$731Delta

Useful Info

Low season	February
High season	July
Cheapest flight	$345

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 20% 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

Pinhao

Chaves

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Baiao

Caminha

Santa Maria da Feira

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

$345 Find Cheap Flights from Missouri to Porto

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

Everything you should know

Cheap Flights from Missouri to Porto

Recent round-trip flight deals from Missouri to Porto

Recent one-way 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