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$415+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 8/298:25 am
LIS
-
STL
2 stops16h 49m
American Airlines
Mon 9/71:37 pm
STL
-
LIS
2 stops20h 08m
American Airlines
Deal found 1/28$737
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 8/2911:05 am
LIS
-
STL
1 stop18h 37m
American Airlines
Thu 9/108:07 pm
STL
-
LIS
2 stops20h 58m
American Airlines
Deal found 1/28$738
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/48:45 pm
LIS
-
STL
2 stops18h 06m
American Airlines
Sun 2/811:05 am
STL
-
LIS
2 stops28h 40m
American Airlines
Deal found 1/26$740
This Iberia deal was found by Cheapflights users on 1/27. 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.
Fri 3/1311:05 am
LIS
-
STL
1 stop16h 47m
Iberia
Fri 3/202:00 pm
STL
-
LIS
1 stop13h 45m
Iberia
Deal found 1/27$744
This American Airlines deal was found by Cheapflights users on 1/27. 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 9/238:20 am
OPO
-
STL
2 stops30h 56m
American Airlines
Sun 9/274:29 pm
STL
-
OPO
2 stops17h 31m
American Airlines
Deal found 1/27$755
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/1311:05 am
LIS
-
STL
2 stops16h 53m
American Airlines
Fri 3/209:36 am
STL
-
LIS
2 stops18h 09m
American Airlines
Deal found 1/27$757
This British Airways deal was found by Cheapflights users on 1/28. 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.
Sun 8/3011:05 am
LIS
-
STL
1 stop18h 37m
British Airways
Thu 9/104:14 pm
STL
-
LIS
2 stops19h 56m
British Airways
Deal found 1/28$759
This Iberia deal was found by Cheapflights users on 1/27. 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.
Wed 2/44:40 pm
OPO
-
STL
2 stops33h 33m
Iberia
Wed 2/1112:03 pm
STL
-
OPO
2 stops25h 57m
Iberia
Deal found 1/27$765
This British Airways deal was found by Cheapflights users on 1/26. 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 2/47:05 am
LIS
-
STL
2 stops19h 08m
British Airways
Sun 2/89:33 am
STL
-
LIS
1 stop17h 32m
British Airways
Deal found 1/26$776
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/48:45 pm
LIS
-
MCI
2 stops20h 20m
American Airlines
Sun 2/86:00 am
MCI
-
LIS
2 stops33h 45m
American Airlines
Deal found 1/26$804
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/116:45 pm
LIS
-
MCI
2 stops21h 27m
American Airlines
Sun 2/1512:38 pm
MCI
-
LIS
1 stop14h 27m
American Airlines
Deal found 1/28$821
This Ovago deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:20 am
LIS
-
MCI
2 stops19h 08m
Multiple Airlines
Fri 3/206:33 pm
MCI
-
LIS
2 stops22h 52m
Multiple Airlines
Deal found 1/27$827

Find flight deals from Portugal to Missouri

Keep the following information in mind while searching for Portugal to Missouri flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$744
(Iberia)

One-way from

$415
(Kiwi.com)

Popular in

September

Cheapest in

December

Average price

$924
Provider with most accurate pricing for Lisbon Humberto Delgado-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Lambert-St Louis flights.
Search Deals
From Portugal to Missouri
Search Deals
One-way flight from Portugal to Missouri
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 3/13

11:05 am-10:52 pm

1 stop16h 47m

Lambert-St Louis

Fri 3/20

2:00 pm-8:45 am

1 stop13h 45m

$744

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 3/13

11:05 am-10:52 pm

1 stop16h 47m

Lambert-St Louis

Fri 3/20

9:36 am-8:45 am

2 stops18h 09m

$757

LisbonKansas City

LIS - MCI

LISMCI

Lisbon Humberto Delgado

Fri 3/13

11:05 am-10:28 pm

1 stop16h 23m

Kansas City

Fri 3/20

12:50 pm-8:45 am

1 stop14h 55m

$815

LisbonKansas City

LIS - MCI

LISMCI

Lisbon Humberto Delgado

Wed 2/11

8:45 pm-10:12 am

2 stops19h 27m

Kansas City

Sun 2/15

9:42 am-9:05 am

2 stops17h 23m

$821

LisbonKansas City

LIS - MCI

LISMCI

Lisbon Humberto Delgado

Fri 3/13

8:20 am-10:28 pm

2 stops19h 08m

Kansas City

Fri 3/20

6:33 pm-10:25 pm

2 stops22h 52m

$827

LisbonKansas City

LIS - MCI

LISMCI

Lisbon Humberto Delgado

Fri 3/13

11:05 am-12:12 am

2 stops18h 07m

Kansas City

Fri 3/20

12:50 pm-8:45 am

1 stop14h 55m

$828

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Thu 2/12

6:00 am-5:44 pm

2 stops17h 44m

Lambert-St Louis

Mon 2/16

11:39 am-12:50 pm

2 stops19h 11m

$868

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 3/15

5:00 am-9:07 pm

2 stops21h 07m

Lambert-St Louis

Sun 3/22

8:30 am-10:15 am

1 stop20h 45m

$897

LisbonJoplin

LIS - JLN

LISJLN

Lisbon Humberto Delgado

Wed 2/11

5:00 am-5:34 pm

2 stops18h 34m

Joplin

Sun 2/15

8:54 am-11:30 pm

2 stops32h 36m

$935

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 3/15

11:05 am-11:02 pm

1 stop16h 57m

Lambert-St Louis

Sun 3/22

2:00 pm-9:05 am

1 stop14h 05m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 45 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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Portugal to Missouri?

    Iberia, American Airlines, and KLM can get you from Portugal to Missouri in just under 16h 47m. Your travel time can differ by up to 3h 32m. Portugal and Missouri are separated by a distance of 4212 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $547. Users have also found prices from $554 and $863 on Iberia and Lufthansa, 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.

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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