Cheap flights from Missouri to Porto (OPO) from $448

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — OPO
Jun 18 — Jun 251

What is the cheapest month to fly from Missouri to Porto?

February is one of the best times of the year to fly to Porto from Missouri. Prices for February average $1,091 per person but you can even find prices for as low as $615. The most expensive prices can be found in the month of June. Opting for a February flight can save you 48% on your journey compared to booking in June

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

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.

Cheap Missouri to Porto flights in June & July 2024

Find cheap flight options from Missouri to Porto specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
Listed are some of the best fares we've found on flights departing from Missouri to Porto in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 7/296:24 pmMCI - OPO
2 stops34h 31mMultiple Airlines
Thu 8/86:50 amOPO - MCI
1 stop32h 00mMultiple Airlines
Deal found 6/12$1,014
Wed 7/1010:19 amSTL - OPO
2 stops14h 36mUnited Airlines
Wed 7/179:00 amOPO - STL
1 stop13h 07mUnited Airlines
Deal found 6/12$1,015
Wed 7/35:25 pmSTL - OPO
2 stops16h 05mDelta
Thu 7/119:15 amOPO - STL
2 stops20h 24mDelta
Deal found 6/13$1,040
Sun 7/2812:35 pmMCI - OPO
2 stops20h 55mDelta
Fri 8/96:30 amOPO - MCI
2 stops23h 26mDelta
Deal found 6/12$1,074
Wed 7/35:30 pmSTL - OPO
2 stops23h 50mLufthansa
Thu 7/1112:10 pmOPO - STL
1 stop31h 20mLufthansa
Deal found 6/13$1,103
Thu 7/411:25 amSTL - OPO
2 stops22h 05mDelta
Fri 7/129:15 amOPO - STL
2 stops18h 52mDelta
Deal found 6/12$1,111
Thu 7/48:25 amSTL - OPO
2 stops19h 20mUnited Airlines
Fri 7/126:00 amOPO - STL
1 stop13h 30mUnited Airlines
Deal found 6/12$1,121
Sun 7/286:24 pmMCI - OPO
2 stops31h 21mMultiple Airlines
Thu 8/86:05 pmOPO - MCI
1 stop20h 45mMultiple Airlines
Deal found 6/12$1,144
Wed 7/1011:05 amSTL - OPO
1 stop13h 50mMultiple Airlines
Wed 7/176:00 amOPO - STL
1 stop13h 30mMultiple Airlines
Deal found 6/12$1,184

Missouri to Porto 2024 flight deals

Discover exclusive flight deals for travel between Missouri and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Listed are some of the best fares we've found on flights departing from Missouri to Porto in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 11/412:06 pmSTL - OPO
2 stops21h 54mAmerican Airlines
Tue 11/1212:25 pmOPO - STL
3 stops26h 50mAmerican Airlines
Deal found 6/13$577
Mon 11/46:45 amSTL - OPO
2 stops22h 05mDelta
Tue 11/125:00 amOPO - STL
2 stops22h 31mDelta
Deal found 6/13$590
Mon 11/411:10 amSTL - OPO
2 stops18h 25mUnited Airlines
Tue 11/1212:30 pmOPO - STL
1 stop31h 25mUnited Airlines
Deal found 6/13$699
Wed 9/49:11 amMCI - OPO
2 stops32h 19mMultiple Airlines
Fri 9/136:40 amOPO - MCI
2 stops23h 47mMultiple Airlines
Deal found 6/12$864
Wed 9/411:06 amMCI - OPO
2 stops30h 24mMultiple Airlines
Fri 9/136:40 amOPO - MCI
3 stops28h 06mMultiple Airlines
Deal found 6/12$899
Wed 9/411:05 amMCI - OPO
1 stop18h 40mMultiple Airlines
Fri 9/136:40 amOPO - MCI
2 stops23h 47mMultiple Airlines
Deal found 6/12$933
Mon 7/296:24 pmMCI - OPO
2 stops34h 31mMultiple Airlines
Thu 8/86:50 amOPO - MCI
1 stop32h 00mMultiple Airlines
Deal found 6/12$1,014
Wed 7/1010:19 amSTL - OPO
2 stops14h 36mUnited Airlines
Wed 7/179:00 amOPO - STL
1 stop13h 07mUnited Airlines
Deal found 6/12$1,015
Mon 9/96:21 pmSTL - OPO
3 stops31h 14mAmerican Airlines
Sat 9/218:15 amOPO - STL
2 stops30h 45mAmerican Airlines
Deal found 6/13$1,025

One-way flights to Porto from Missouri

Search for one-way flight options from Missouri to Porto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Some of the best available deals we've found on one-way flights from Missouri to Porto. Users in need of a round-trip flight from Missouri to Porto instead should update the search form at the top of page.
Fri 7/198:35 pmSTL - OPO
3 stops32h 15mMultiple Airlines
Deal found 6/12$448
Mon 7/228:05 amSTL - OPO
2 stops16h 50mUnited Airlines
Deal found 6/12$544
Fri 7/195:30 pmSTL - OPO
2 stops31h 25mUnited Airlines
Deal found 6/12$550
Wed 7/2411:28 amSTL - OPO
2 stops22h 02mDelta
Deal found 6/12$561
Wed 7/243:25 pmSTL - OPO
1 stop25h 20mLufthansa
Deal found 6/12$800
Mon 7/226:04 amSTL - OPO
3 stops31h 16mMultiple Airlines
Deal found 6/12$1,101
Wed 7/246:09 pmSTL - OPO
3 stops32h 26mMultiple Airlines
Deal found 6/12$1,396
Thu 8/1511:21 amMCI - OPO
2 stops17h 04mLufthansa
Deal found 6/12$3,276
Thu 8/153:13 pmMCI - OPO
1 stop12h 32mUnited Airlines
Deal found 6/12$3,767

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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$864 - $1,415

Route

Depart

Return

Price

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 9/4

2 stops32h 19m

Porto

Fri 9/13

2 stops23h 47m

$864

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 9/4

2 stops30h 24m

Porto

Fri 9/13

3 stops28h 06m

$899

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 7/10

2 stops14h 36m

Porto

Wed 7/17

1 stop13h 07m

$1,015

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Mon 9/9

3 stops31h 14m

Porto

Sat 9/21

2 stops30h 45m

$1,025

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Mon 9/9

2 stops33h 18m

Porto

Sat 9/21

2 stops17h 33m

$1,028

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 7/3

2 stops16h 05m

Porto

Thu 7/11

2 stops20h 24m

$1,040

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Wed 7/3

2 stops23h 50m

Porto

Thu 7/11

1 stop31h 20m

$1,103

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Fri 8/30

2 stops18h 20m

Porto

Mon 9/16

2 stops31h 25m

$1,131

Lambert-St LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Thu 7/4

2 stops23h 35m

Porto

Thu 7/11

2 stops24h 00m

$1,415

Flights are sorted by cheapest first

Deals found on 6/12

No data available for this route at this time. Please check back soon.

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.

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 June 13, 2024.
Read through reviews of airlines operating flights from Missouri to Porto, such as Delta, Air Canada and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,000 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
1,698 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,000 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
10,000 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.1
Good
2,703 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 flights from Missouri to Porto for under $900 on Cheapflights?

    Yes, there are multiple flights from Missouri to Porto for under $900. The cheapest flight booked recently is on Multiple Airlines for just $864, but on average you can expect to pay $1,069.

  • What are the cheapest airlines to fly from Missouri to Porto one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $544. Delta flights start at $561 while deals on Lufthansa start at $800 one-way.

  • What does STL to OPO mean?

    Great question - STL to OPO just means Lambert-St Louis Airport to Porto Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Kansas City Airport (MCI), Springfield-Branson Airport (SGF), Columbia Regional Airport (COU), Branson Airport (BKG), Kansas City Downtown Airport (MKC).

  • Can I find deals for flights from Missouri to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Missouri to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missouri to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missouri to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Missouri to Porto that allow pets onboard?

    Many airlines flying from Missouri to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missouri to Porto?

    Yes, you can often find last-minute deals on Missouri to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missouri to Porto flight deals updated?

    The Missouri to Porto flight deals you see on this page were last updated on 6/13.

  • 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 $524). Flying from Missouri to Porto in June is currently the most expensive (average of $974). 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.

Top 5 airlines flying from Missouri to Porto

Discover the top 5 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$531Average$785FlexibilityNo cancel feeOn-time77%
KLMCheapest$604Average$952FlexibilityNo cancel feeOn-time75%
DeltaCheapest$604Average$1,050FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$612Average$840FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$752Average$1,243FlexibilityNo cancel feeOn-time69%

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