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$642+ Cheap flights from Missouri to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OPO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Missouri to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$642
(American Airlines)
From Missouri to Porto
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Find flight deals from Missouri to Porto

Cheapest flights from Missouri to Porto
Explore the most affordable flight options available from Missouri to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This FlightHub deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:25 amMCI - OPO
2 stops19h 20mMultiple Airlines
Wed 1/18:20 amOPO - MCI
2 stops19h 02mMultiple Airlines
Deal found 12/21$2,105
This KAYAK deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:52 pmMCI - OPO
2 stops45h 08mIberia
Sat 12/288:40 pmOPO - MCI
2 stops32h 13mIberia
Deal found 12/20$2,715

Find flights from Missouri to Porto within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.

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Route

Depart

Return

Price

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 2/5

1:02 pm-11:35 pm

2 stops28h 33m

Porto

Wed 2/12

6:00 am-1:55 pm

1 stop13h 55m

$642

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 1/22

9:25 am-7:40 am

2 stops16h 15m

Porto

Tue 1/28

4:40 pm-10:09 pm

2 stops35h 29m

$652

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 2/5

8:00 am-3:15 pm

2 stops25h 15m

Porto

Wed 2/12

6:00 am-8:26 pm

2 stops20h 26m

$657

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Tue 4/1

5:30 pm-3:30 pm

2 stops16h 00m

Porto

Tue 4/8

6:30 am-4:47 pm

2 stops16h 17m

$658

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 1/22

9:25 am-7:40 am

2 stops16h 15m

Porto

Tue 1/28

8:20 am-10:08 pm

3 stops19h 48m

$792

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 1/10

1:51 pm-8:00 pm

2 stops24h 09m

Porto

Fri 1/24

8:20 am-10:19 pm

2 stops19h 59m

$800

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Tue 4/1

4:44 pm-9:45 am

1 stop11h 01m

Porto

Tue 4/8

12:35 pm-9:48 pm

2 stops15h 13m

$982

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 4/28

5:45 am-9:35 pm

2 stops33h 50m

Porto

Thu 5/8

12:00 pm-12:27 am

3 stops42h 27m

$1,070

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Fri 4/11

3:40 pm-3:50 pm

2 stops42h 10m

Porto

Sun 4/20

4:50 pm-2:42 pm

2 stops27h 52m

$1,091

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Fri 3/21

8:49 am-7:40 am

2 stops17h 51m

Porto

Sun 4/6

8:15 am-9:56 pm

2 stops19h 41m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 13 results
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Best time to book a flight from Missouri to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Missouri to Porto

Get recent, data-driven insights about flights from Missouri to Porto including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Porto?

Currently, January is the cheapest month in which you can book a flight from Missouri to Porto (average of $523). Flying from Missouri to Porto in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to OPO?

Find hourly flight availability from Missouri to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Porto as you normally would.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated December 22, 2024.
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,342 reviews
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

United Airlines
7.4
Good
9,028 reviews
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Turkish Airlines
7.3
Good
3,900 reviews
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air Canada
7.0
Good
8,413 reviews
KLM
7.8
Good
1,342 reviews

Food

7.3

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from Missouri to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Missouri?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from Missouri.

  • Can I find deals for flights from Missouri to Porto that include hotel bookings?

    Yes. In addition to deals on Missouri to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Porto.

  • Can I find deals for business class flights from Missouri to Porto?

    Yes. Cheapflights offers flight deals from Missouri to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Porto?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Porto (average of $523). Flying from Missouri to Porto in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Missouri to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Missouri to Porto

Discover the top 3 airlines that operate flights from Missouri to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$611Average$1,083FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$612Average$979FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$682Average$1,199FlexibilityNo cancel feeOn-time69%
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