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$435+ Cheap flights from Portugal to Missouri

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Portugal to Missouri

Keep the following information in mind while searching for Portugal to Missouri flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$738
(British Airways)

One-way from

$435
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$809
Provider with most accurate pricing for Lisbon Humberto Delgado-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Kansas City flights.
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From Portugal to Missouri
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One-way flight from Portugal to Missouri
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Highest demand for flights based on searches. 17% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Portugal to Missouri

Cheapest flights from Portugal to Missouri
Explore the most affordable flight options available from Portugal to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This British Airways deal was found by Cheapflights users on 4/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/178:15 amOPO - STL
2 stops21h 18mBritish Airways
Mon 4/216:00 pmSTL - OPO
2 stops19h 50mBritish Airways
Deal found 4/1$738
This AirNGo deal was found by Cheapflights users on 4/1. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:20 amLIS - STL
2 stops20h 32mBritish Airways
Tue 5/277:30 pmSTL - LIS
2 stops21h 30mBritish Airways
Deal found 4/1$751
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:00 amLIS - STL
2 stops21h 49mDelta
Tue 5/277:05 amSTL - LIS
2 stops18h 55mDelta
Deal found 4/1$756
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:05 amLIS - STL
1 stop14h 25mUnited Airlines
Tue 5/277:20 amSTL - LIS
1 stop19h 00mUnited Airlines
Deal found 4/1$787
This Air France deal was found by Cheapflights users on 3/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/105:00 amLIS - MCI
2 stops17h 57mMultiple Airlines
Tue 4/155:42 pmMCI - LIS
2 stops15h 08mMultiple Airlines
Deal found 3/31$806
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:20 amOPO - MCI
2 stops22h 55mDelta
Sun 4/205:44 pmMCI - OPO
2 stops17h 01mDelta
Deal found 4/1$822
This Lufthansa deal was found by Cheapflights users on 4/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:05 amLIS - STL
1 stop14h 25mLufthansa
Tue 5/278:15 amSTL - LIS
1 stop20h 15mLufthansa
Deal found 4/1$831
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1010:00 amLIS - MCI
1 stop16h 41mDelta
Tue 4/1512:41 pmMCI - LIS
1 stop13h 19mDelta
Deal found 3/31$880
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/174:35 pmOPO - STL
1 stop26h 55mLufthansa
Mon 4/215:35 pmSTL - OPO
2 stops23h 50mLufthansa
Deal found 4/1$924
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:35 amLIS - MCI
2 stops21h 55mAmerican Airlines
Sun 4/67:18 amMCI - LIS
2 stops19h 47mAmerican Airlines
Deal found 3/31$945
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:10 pmOPO - STL
3 stops34h 35mMultiple Airlines
Mon 4/215:15 pmSTL - OPO
3 stops36h 00mMultiple Airlines
Deal found 4/1$1,031
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:15 amLIS - MCI
2 stops21h 32mUnited Airlines
Thu 5/226:00 amMCI - LIS
2 stops23h 05mUnited Airlines
Deal found 3/31$1,127

Cheapflights Fare Finder

Customize your flight search to find flights from Portugal to Missouri 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 April 2, 2025.
Use the filters below to find and compare flights from Portugal to Missouri that are best for you.

Fly from

Portugal

Fly to

Missouri

Route

Depart

Return

Price

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Thu 4/17

8:15 am-11:33 pm

2 stops21h 18m

Lambert-St Louis

Mon 4/21

6:00 pm-7:50 pm

2 stops19h 50m

$738

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

7:20 am-9:52 pm

2 stops20h 32m

Lambert-St Louis

Tue 5/27

7:30 pm-11:00 pm

2 stops21h 30m

$751

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:00 am-8:49 pm

2 stops21h 49m

Lambert-St Louis

Tue 5/27

7:05 am-8:00 am

2 stops18h 55m

$756

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:05 am-1:30 pm

1 stop14h 25m

Lambert-St Louis

Tue 5/27

7:20 am-8:20 am

1 stop19h 00m

$787

PortoKansas City

OPO - MCI

OPOMCI

Porto

Wed 4/16

6:20 am-11:15 pm

2 stops22h 55m

Kansas City

Sun 4/20

5:44 pm-4:45 pm

2 stops17h 01m

$822

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:05 am-1:30 pm

1 stop14h 25m

Lambert-St Louis

Tue 5/27

8:15 am-10:30 am

1 stop20h 15m

$831

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Thu 4/17

4:35 pm-1:30 pm

1 stop26h 55m

Lambert-St Louis

Mon 4/21

5:35 pm-11:25 pm

2 stops23h 50m

$924

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Thu 4/17

12:10 pm-4:45 pm

3 stops34h 35m

Lambert-St Louis

Mon 4/21

5:15 pm-11:15 am

3 stops36h 00m

$1,031

LisbonKansas City

LIS - MCI

LISMCI

Lisbon Humberto Delgado

Thu 5/15

6:15 am-9:47 pm

2 stops21h 32m

Kansas City

Thu 5/22

6:00 am-11:05 am

2 stops23h 05m

$1,127

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Thu 4/17

12:35 pm-11:15 pm

1 stop16h 40m

Lambert-St Louis

Mon 4/21

4:44 pm-9:45 am

1 stop11h 01m

$1,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 34 results
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Best time to book a flight from Portugal to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Missouri

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

Find hourly flight availability from Portugal to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

When flying from Portugal to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated April 2, 2025.
To help decide which airline to fly from Portugal to Missouri, see what other customers have to say about Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
636 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $639. Users have also found prices from $665 and $684 on Finnair and British Airways, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Missouri 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 Portugal to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Portugal to Missouri (average of $311). Flying from Portugal to Missouri in March is currently the most expensive (average of $356). 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 Portugal to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Portugal to Missouri

Discover the top airline that operate flights from Portugal to Missouri. 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$820Average$898FlexibilityNo cancel feeOn-time71%

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