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$298+ Cheap flights from Missouri to Portugal

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Missouri to Portugal

Keep the following information in mind while searching for Missouri to Portugal flight deals. Data was last updated February 22, 2025.

Round-trip from

$578
(KLM)

One-way from

$298
(Kiwi.com)
From Missouri to Portugal
Search Deals
One-way flight from Missouri to Portugal
Search Deals

Find flight deals from Missouri to Portugal

Cheapest flights from Missouri to Portugal
Explore the most affordable flight options available from Missouri to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This KLM deal was found by Cheapflights users on 2/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/192:19 pmMCI - OPO
2 stops15h 31mKLM
Tue 4/16:20 amOPO - MCI
2 stops20h 59mKLM
Deal found 2/21$578
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:00 amMCI - OPO
2 stops28h 15mUnited Airlines
Tue 4/16:00 amOPO - MCI
2 stops20h 32mUnited Airlines
Deal found 2/20$584
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/118:25 amSTL - LIS
1 stop20h 50mUnited Airlines
Tue 3/1811:55 amLIS - STL
1 stop12h 30mUnited Airlines
Deal found 2/21$600
This Orbitz deal was found by Cheapflights users on 2/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:02 pmSTL - LIS
2 stops17h 03mBritish Airways
Wed 3/1911:15 amLIS - STL
1 stop14h 26mBritish Airways
Deal found 2/21$603
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:02 pmSTL - LIS
1 stop14h 13mIberia
Wed 3/1911:15 amLIS - STL
1 stop14h 26mIberia
Deal found 2/21$630
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/85:33 pmSTL - OPO
2 stops36h 02mUnited Airlines
Sun 3/166:00 amOPO - STL
2 stops38h 31mUnited Airlines
Deal found 2/21$656
This KAYAK deal was found by Cheapflights users on 2/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/121:00 pmSTL - LIS
2 stops17h 25mLufthansa
Wed 3/1910:15 amLIS - STL
1 stop18h 18mLufthansa
Deal found 2/21$665
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:19 pmMCI - LIS
1 stop12h 36mMultiple Airlines
Fri 11/711:05 amLIS - MCI
1 stop15h 40mMultiple Airlines
Deal found 2/21$680
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:06 pmMCI - LIS
2 stops23h 19mFinnair
Tue 4/86:35 amLIS - MCI
2 stops21h 49mFinnair
Deal found 2/21$690
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Sun 3/234:00 pmMCI - LIS
2 stops11h 55mAmerican Airlines
Wed 4/26:35 amLIS - MCI
2 stops17h 45mAmerican Airlines
Deal found 2/22$693
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:02 pmSTL - LIS
1 stop14h 13mAmerican Airlines
Tue 3/1811:10 amLIS - STL
1 stop30h 29mAmerican Airlines
Deal found 2/21$704
This Lufthansa deal was found by Cheapflights users on 2/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:37 pmMCI - OPO
2 stops34h 38mLufthansa
Tue 10/214:35 pmOPO - MCI
2 stops35h 00mLufthansa
Deal found 2/21$729

Find flights from Missouri to Portugal within your budget

Customize your flight search to find flights from Missouri to Portugal 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 February 22, 2025.

Fly from

Missouri

Fly to

Portugal

Route

Depart

Return

Price

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 3/19

2:19 pm-10:50 am

2 stops15h 31m

Porto

Tue 4/1

6:20 am-9:19 pm

2 stops20h 59m

$578

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 3/19

6:00 am-3:15 pm

2 stops28h 15m

Porto

Tue 4/1

6:00 am-8:32 pm

2 stops20h 32m

$584

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/11

8:25 am-10:15 am

1 stop20h 50m

Lisbon Humberto Delgado

Tue 3/18

11:55 am-7:25 pm

1 stop12h 30m

$600

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/11

2:02 pm-12:05 pm

2 stops17h 03m

Lisbon Humberto Delgado

Wed 3/19

11:15 am-8:41 pm

1 stop14h 26m

$603

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/11

2:02 pm-9:15 am

1 stop14h 13m

Lisbon Humberto Delgado

Wed 3/19

11:15 am-8:41 pm

1 stop14h 26m

$630

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Sat 3/8

5:33 pm-11:35 am

2 stops36h 02m

Porto

Sun 3/16

6:00 am-3:31 pm

2 stops38h 31m

$656

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 3/12

1:00 pm-11:25 am

2 stops17h 25m

Lisbon Humberto Delgado

Wed 3/19

10:15 am-11:33 pm

1 stop18h 18m

$665

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 4/1

6:06 pm-11:25 pm

2 stops23h 19m

Lisbon Humberto Delgado

Tue 4/8

6:35 am-10:24 pm

2 stops21h 49m

$690

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Sun 3/23

4:00 pm-8:55 am

2 stops11h 55m

Lisbon Humberto Delgado

Wed 4/2

6:35 am-6:20 pm

2 stops17h 45m

$693

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/11

2:02 pm-9:15 am

1 stop14h 13m

Lisbon Humberto Delgado

Tue 3/18

11:10 am-12:39 pm

1 stop30h 29m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 45 results
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Best time to book a flight from Missouri to Portugal

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

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

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Portugal (average of $612). Flying from Missouri to Portugal in June is currently the most expensive (average of $1,234). 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 PT?

Find hourly flight availability from Missouri to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

When flying from Missouri to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 22, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Missouri to Portugal to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,448 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Portugal. 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 Missouri to Portugal one-way?

    $380 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from $430 and $536, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Missouri to Portugal (average of $612). Flying from Missouri to Portugal in June is currently the most expensive (average of $1,234). 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.

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Alternative routes for Missouri to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Missouri to Portugal

Discover the top 10 airlines that operate flights from Missouri to Portugal. 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$554Average$947FlexibilityNo cancel feeOn-time70%
IberiaCheapest$562Average$951FlexibilityNo cancel feeOn-time77%
KLMCheapest$566Average$804FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$1,330FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$1,011FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$569Average$1,073FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$595Average$1,165FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$601Average$936FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$633Average$816FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$779Average$1,086FlexibilityNo cancel feeOn-time67%
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