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Portugal

$387+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(United Airlines)

One-way from

$387
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$882
Provider with most accurate pricing for Kansas City-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Lisbon Humberto Delgado flights.
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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. 21% potential increase in price ($277 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:18 pmSTL - LIS
2 stops35h 02mMultiple Airlines
Sun 11/25:00 amLIS - STL
1 stop14h 55mMultiple Airlines
Deal found 3/30$704
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:45 pmSTL - LIS
1 stop17h 20mLufthansa
Sun 11/25:00 amLIS - STL
1 stop14h 55mLufthansa
Deal found 3/30$705
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 10/267:20 amSTL - OPO
2 stops22h 30mDelta
Sun 11/25:00 amOPO - STL
2 stops16h 58mDelta
Deal found 3/30$706
This United deal was found by Cheapflights users on 3/30. 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.
Sun 10/264:45 pmSTL - OPO
1 stop13h 55mMultiple Airlines
Sun 11/25:00 amOPO - STL
2 stops19h 25mMultiple Airlines
Deal found 3/30$707
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 10/262:18 pmSTL - LIS
2 stops19h 52mDelta
Sun 11/25:00 amLIS - STL
2 stops16h 58mDelta
Deal found 3/30$713
This United Airlines deal was found by Cheapflights users on 3/30. 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 11/83:22 pmMCI - LIS
2 stops35h 58mUnited Airlines
Sat 11/155:00 amLIS - MCI
2 stops39h 13mUnited Airlines
Deal found 3/30$721
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:08 pmMCI - LIS
2 stops23h 02mMultiple Airlines
Thu 10/236:35 amLIS - MCI
2 stops20h 15mMultiple Airlines
Deal found 3/30$729
This Delta deal was found by Cheapflights users on 3/30. 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.
Sat 11/82:15 pmMCI - LIS
2 stops18h 55mDelta
Sat 11/1511:15 amLIS - MCI
1 stop13h 43mDelta
Deal found 3/30$759
This United Airlines deal was found by Cheapflights users on 3/30. 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 10/179:15 amSTL - LIS
1 stop19h 55mUnited Airlines
Fri 10/2412:50 pmLIS - STL
2 stops29h 30mUnited Airlines
Deal found 3/30$762
This Air Canada deal was found by Cheapflights users on 3/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:15 amSTL - LIS
2 stops18h 05mAir Canada
Fri 10/2411:25 amLIS - STL
2 stops33h 51mAir Canada
Deal found 3/30$774
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:05 pmSTL - OPO
2 stops35h 20mAir Canada
Tue 9/2312:50 pmOPO - STL
2 stops32h 54mAir Canada
Deal found 3/31$779
This United deal was found by Cheapflights users on 3/30. 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.
Mon 9/228:15 amMCI - OPO
3 stops19h 20mUnited Airlines
Thu 10/212:10 pmOPO - MCI
2 stops26h 43mUnited Airlines
Deal found 3/30$809

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 March 31, 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

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Tue 9/16

4:05 pm-9:25 am

2 stops35h 20m

Porto

Tue 9/23

12:50 pm-3:44 pm

2 stops32h 54m

$779

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Wed 4/16

8:13 am-8:20 am

2 stops18h 07m

Lisbon Humberto Delgado

Wed 4/30

11:25 am-2:33 pm

2 stops33h 08m

$793

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 8/22

3:30 pm-3:45 pm

2 stops18h 15m

Lisbon Humberto Delgado

Fri 8/29

6:25 pm-8:47 pm

2 stops32h 22m

$798

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 9/22

8:15 am-9:35 am

3 stops19h 20m

Porto

Thu 10/2

12:10 pm-8:53 am

2 stops26h 43m

$809

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Wed 5/7

12:20 pm-2:05 pm

2 stops19h 45m

Lisbon Humberto Delgado

Wed 5/14

11:05 am-9:31 pm

1 stop16h 26m

$815

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/16

7:35 am-5:55 pm

2 stops28h 20m

Lisbon Humberto Delgado

Mon 4/28

8:45 pm-6:02 pm

2 stops27h 17m

$823

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 9/25

1:30 pm-9:20 am

1 stop13h 50m

Lisbon Humberto Delgado

Tue 9/30

11:25 am-3:21 pm

2 stops33h 56m

$844

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Tue 9/16

5:30 pm-10:20 am

2 stops34h 50m

Porto

Mon 9/22

4:35 pm-3:44 pm

2 stops29h 09m

$853

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/28

3:40 pm-10:30 am

2 stops12h 50m

Lisbon Humberto Delgado

Mon 5/5

11:25 am-3:47 pm

3 stops34h 22m

$853

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 8/25

1:30 pm-8:40 pm

2 stops25h 10m

Lisbon Humberto Delgado

Mon 9/1

7:15 am-11:39 pm

2 stops22h 24m

$862

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 52 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 $1,213). 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 March 31, 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 March 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS 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
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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?

    $608 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 United Airlines and Air Canada, with prices starting from $608 and $609, 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 $1,213). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$566Average$800FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$1,110FlexibilityNo cancel feeOn-time77%
IberiaCheapest$566Average$958FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$998FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$569Average$1,064FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$570Average$959FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$601Average$937FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$601Average$1,116FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$633Average$906FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$779Average$1,087FlexibilityNo cancel feeOn-time67%
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