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Portugal

$297+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LIS
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap 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 25, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:40 am
MCI
-
LIS
1 stop19h 05m
Virgin Atlantic
Tue 7/2812:45 pm
LIS
-
MCI
1 stop25h 56m
Virgin Atlantic
Deal found 6/23$306
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:40 am
MCI
-
LIS
1 stop19h 05m
Virgin Atlantic
Sat 7/1812:45 pm
LIS
-
MCI
1 stop25h 55m
Virgin Atlantic
Deal found 6/23$526
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:51 am
STL
-
LIS
2 stops17h 54m
Virgin Atlantic
Wed 7/2910:00 am
LIS
-
STL
2 stops18h 15m
Virgin Atlantic
Deal found 6/24$595
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:29 am
STL
-
LIS
2 stops15h 31m
Virgin Atlantic
Wed 9/3012:45 pm
LIS
-
STL
2 stops16h 31m
Virgin Atlantic
Deal found 6/24$642
This United deal was found by Cheapflights users on 6/23. 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 11/26:30 am
MCI
-
OPO
1 stop21h 00m
Multiple Airlines
Wed 11/116:00 am
OPO
-
MCI
2 stops21h 51m
Multiple Airlines
Deal found 6/23$717
This Air France deal was found by Cheapflights users on 6/23. 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.
Sun 11/19:59 am
MCI
-
OPO
1 stop17h 06m
Multiple Airlines
Tue 11/109:55 am
OPO
-
MCI
2 stops17h 23m
Multiple Airlines
Deal found 6/23$719
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/33:25 pm
MCI
-
OPO
1 stop12h 05m
United Airlines
Tue 11/1012:35 pm
OPO
-
MCI
1 stop14h 04m
United Airlines
Deal found 6/23$726
This United Airlines deal was found by Cheapflights users on 6/21. 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 11/75:42 pm
MCI
-
LIS
2 stops32h 28m
United Airlines
Wed 11/1111:20 am
LIS
-
MCI
2 stops39h 19m
United Airlines
Deal found 6/21$730
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 12/211:30 am
MCI
-
LIS
2 stops16h 50m
United Airlines
Wed 12/95:00 am
LIS
-
MCI
2 stops22h 49m
United Airlines
Deal found 6/21$733
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 11/225:42 pm
MCI
-
LIS
2 stops32h 28m
United Airlines
Thu 11/261:00 pm
LIS
-
MCI
2 stops37h 34m
United Airlines
Deal found 6/23$734
This Justfly.com deal was found by Cheapflights users on 6/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:45 pm
MCI
-
LIS
2 stops30h 10m
Multiple Airlines
Mon 11/912:35 pm
LIS
-
MCI
2 stops39h 16m
Multiple Airlines
Deal found 6/24$738
This Expedia deal was found by Cheapflights users on 6/24. 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 10/1412:10 pm
STL
-
LIS
1 stop15h 10m
Air Canada
Wed 10/2111:25 am
LIS
-
STL
1 stop13h 16m
Air Canada
Deal found 6/24$741

Find 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 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$306
(Virgin Atlantic)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,291
Provider with most accurate pricing for Lambert-St Louis-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Lisbon Humberto Delgado flights.
Search Deals
From Missouri to Portugal
Search Deals
One-way flight from Missouri to Portugal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($146 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 25, 2026.
Use the filters below to find and compare flights from Missouri to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPorto

MCI - OPO

MCIOPO

Kansas City

Mon 11/2

6:30 am-9:30 am

1 stop21h 00m

Porto

Wed 11/11

6:00 am-9:51 pm

2 stops21h 51m

$717

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$744

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Sun 12/6

6:30 am-9:30 am

1 stop21h 00m

Porto

Tue 12/8

12:35 pm-7:40 pm

1 stop13h 05m

$754

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Wed 10/21

6:00 am-8:20 am

1 stop20h 20m

Lisbon Humberto Delgado

Wed 10/28

11:20 am-8:39 pm

2 stops38h 19m

$756

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 10/14

7:30 am-9:20 am

3 stops19h 50m

Lisbon Humberto Delgado

Wed 10/21

5:05 am-1:25 pm

1 stop14h 20m

$758

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 11/21

4:56 pm-8:10 am

1 stop33h 14m

Lisbon Humberto Delgado

Thu 12/3

1:00 pm-3:30 pm

1 stop32h 30m

$761

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Thu 11/5

10:35 am-8:00 am

2 stops15h 25m

Lisbon Humberto Delgado

Thu 11/12

5:00 am-4:26 pm

2 stops17h 26m

$779

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Thu 11/5

5:42 pm-10:20 am

1 stop10h 38m

Lisbon Humberto Delgado

Thu 11/12

1:00 pm-10:26 am

2 stops27h 26m

$780

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 11/3

6:30 am-8:10 am

1 stop19h 40m

Lisbon Humberto Delgado

Mon 11/9

1:00 pm-2:23 pm

2 stops31h 23m

$780

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Mon 10/12

7:11 pm-8:20 am

2 stops31h 09m

Lisbon Humberto Delgado

Wed 10/21

10:25 am-11:59 pm

1 stop19h 34m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 51 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Missouri to Portugal (average of $458). Flying from Missouri to Portugal in June is currently the most expensive (average of $791). 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.

How far ahead should I book a flight from Missouri to Portugal?

To ensure you get the cheapest price possible for a flight from Missouri to Portugal, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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.

  • How long is the flight from Missouri to Portugal?

    Virgin Atlantic, United Airlines, and KLM can get you from Missouri to Portugal in just under 15h 25m. Your travel time can differ by up to 4h 45m. Missouri and Portugal are separated by a distance of 4398 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $342 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $365 and $382, 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, March is the cheapest month in which you can book a flight from Missouri to Portugal (average of $458). Flying from Missouri to Portugal in June is currently the most expensive (average of $791). 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 8 airlines flying from Missouri to Portugal

Discover the top 8 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$493Average$812FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$1,036FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$508Average$766FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$1,265FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$533Average$1,037FlexibilityNo cancel feeOn-time69%
DeltaCheapest$558Average$729FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$560Average$710FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$649Average$1,067FlexibilityNo cancel feeOn-time67%

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