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Portugal

$346+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$562
(United Airlines)

One-way from

$346
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,386
From Missouri to Portugal
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One-way flight from Missouri to Portugal
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Highest demand for flights based on searches. 25% potential increase in price ($343 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 12/310:00 amMCI - LIS
2 stops16h 10mUnited Airlines
Fri 12/1211:00 amLIS - MCI
2 stops36h 21mUnited Airlines
Deal found 6/9$562
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:43 pmSTL - LIS
2 stops23h 07mLufthansa
Tue 11/115:00 amLIS - STL
2 stops23h 47mLufthansa
Deal found 6/10$570
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 10/223:56 pmMCI - OPO
1 stop11h 49mUnited Airlines
Wed 11/196:00 amOPO - MCI
2 stops21h 50mUnited Airlines
Deal found 6/9$589
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:14 amMCI - LIS
1 stop21h 01mBritish Airways
Wed 12/36:30 amLIS - MCI
2 stops19h 47mBritish Airways
Deal found 6/11$594
This British Airways deal was found by Cheapflights users on 6/11. 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.
Wed 11/56:29 pmSTL - LIS
2 stops17h 16mBritish Airways
Wed 11/1211:15 amLIS - STL
1 stop15h 01mBritish Airways
Deal found 6/11$597
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:26 amMCI - OPO
2 stops18h 14mIberia
Mon 11/108:40 pmOPO - MCI
2 stops18h 08mIberia
Deal found 6/10$600
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 10/2910:30 amSTL - LIS
2 stops21h 50mUnited Airlines
Tue 11/45:00 amLIS - STL
2 stops16h 26mUnited Airlines
Deal found 6/9$603
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 11/39:20 amSTL - OPO
2 stops16h 20mAmerican Airlines
Thu 11/138:20 amOPO - STL
2 stops17h 40mAmerican Airlines
Deal found 6/11$607
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:15 pmSTL - LIS
1 stop12h 05mMultiple Airlines
Tue 11/113:55 pmLIS - STL
1 stop28h 00mMultiple Airlines
Deal found 6/10$613
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Sat 10/186:27 pmMCI - LIS
2 stops34h 38mMultiple Airlines
Sat 11/15:00 amLIS - MCI
2 stops46h 50mMultiple Airlines
Deal found 6/11$619
This Orbitz deal was found by Cheapflights users on 6/11. 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.
Mon 11/36:43 pmSTL - OPO
2 stops21h 42mLufthansa
Thu 11/134:15 pmOPO - STL
1 stop27h 40mLufthansa
Deal found 6/11$623
This KAYAK deal was found by Cheapflights users on 6/11. 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 11/195:30 pmMCI - LIS
2 stops24h 00mLufthansa
Wed 12/310:15 amLIS - MCI
1 stop14h 43mLufthansa
Deal found 6/11$624

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Missouri to Portugal that are best for you.

Fly from

Missouri

Fly to

Portugal

Route

Depart

Return

Price

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Wed 12/3

10:00 am-8:10 am

2 stops16h 10m

Lisbon Humberto Delgado

Fri 12/12

11:00 am-5:21 pm

2 stops36h 21m

$562

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 10/26

6:43 pm-10:50 pm

2 stops23h 07m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-10:47 pm

2 stops23h 47m

$570

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Wed 10/22

3:56 pm-9:45 am

1 stop11h 49m

Porto

Wed 11/19

6:00 am-9:50 pm

2 stops21h 50m

$589

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 11/25

6:14 am-9:15 am

1 stop21h 01m

Lisbon Humberto Delgado

Wed 12/3

6:30 am-8:17 pm

2 stops19h 47m

$594

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/5

6:29 pm-5:45 pm

2 stops17h 16m

Lisbon Humberto Delgado

Wed 11/12

11:15 am-8:16 pm

1 stop15h 01m

$597

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Tue 11/4

7:26 am-7:40 am

2 stops18h 14m

Porto

Mon 11/10

8:40 pm-8:48 am

2 stops18h 08m

$600

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 10/29

10:30 am-1:20 pm

2 stops21h 50m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-3:26 pm

2 stops16h 26m

$603

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Mon 11/3

9:20 am-7:40 am

2 stops16h 20m

Porto

Thu 11/13

8:20 am-8:00 pm

2 stops17h 40m

$607

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 10/26

4:15 pm-9:20 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 11/11

3:55 pm-1:55 pm

1 stop28h 00m

$613

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Sat 10/18

6:27 pm-11:05 am

2 stops34h 38m

Lisbon Humberto Delgado

Sat 11/1

5:00 am-10:50 pm

2 stops46h 50m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 51 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.

Cheapflights Insights

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

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 $1,136). 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 June 12, 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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France 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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    $413 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 United Airlines, with prices starting from $419 and $457, 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 $1,136). 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$525Average$934FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$553Average$891FlexibilityNo cancel feeOn-time72%
DeltaCheapest$564Average$865FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$564Average$1,103FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$569Average$1,089FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$910FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$589Average$793FlexibilityNo cancel feeOn-time77%
KLMCheapest$595Average$800FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$601Average$1,168FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$786Average$1,122FlexibilityNo cancel feeOn-time67%

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