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$429+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Portugal to Missouri

Keep the following information in mind while searching for Portugal to Missouri flight deals. Data was last updated September 16, 2025.

Round-trip from

$715
(Delta)

One-way from

$429
(Kiwi.com)
From Portugal to Missouri
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One-way flight from Portugal to Missouri
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Find 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 September 16, 2025.

This ResecentrumGruppen deal was found by Cheapflights users on 9/16. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:40 amLIS - STL
2 stops23h 29mAir France
Mon 9/293:36 pmSTL - LIS
2 stops17h 14mAir France
Deal found 9/16$709
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/225:00 amLIS - STL
2 stops18h 29mDelta
Wed 11/1212:49 pmSTL - LIS
2 stops16h 31mDelta
Deal found 9/14$715
This flygcity.se deal was found by Cheapflights users on 9/16. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:05 amLIS - STL
1 stop16h 01mMultiple Airlines
Mon 9/297:59 pmSTL - LIS
2 stops15h 56mMultiple Airlines
Deal found 9/16$717
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 12/410:55 amLIS - STL
2 stops19h 03mAmerican Airlines
Mon 12/84:49 pmSTL - LIS
2 stops16h 06mAmerican Airlines
Deal found 9/13$724
This British Airways deal was found by Cheapflights users on 9/14. 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.
Thu 12/410:55 amLIS - STL
1 stop15h 26mBritish Airways
Mon 12/81:59 pmSTL - LIS
2 stops18h 56mBritish Airways
Deal found 9/14$725
This flygcity.se deal was found by Cheapflights users on 9/16. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:05 amLIS - STL
1 stop16h 01mIberia
Mon 9/291:03 pmSTL - LIS
1 stop14h 02mIberia
Deal found 9/16$727
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/315:00 amLIS - STL
2 stops23h 06mDelta
Fri 11/75:15 pmSTL - LIS
2 stops18h 15mDelta
Deal found 9/16$730
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 11/116:05 amOPO - STL
2 stops20h 41mDelta
Tue 11/182:36 pmSTL - OPO
2 stops13h 54mDelta
Deal found 9/16$731
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/2211:05 amLIS - STL
1 stop31h 18mAmerican Airlines
Sun 9/286:00 amSTL - LIS
1 stop21h 05mAmerican Airlines
Deal found 9/15$737
This British Airways deal was found by Cheapflights users on 9/15. 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.
Mon 9/2211:05 amLIS - STL
1 stop16h 01mBritish Airways
Sun 9/288:03 pmSTL - LIS
2 stops21h 02mBritish Airways
Deal found 9/15$742
This British Airways deal was found by Cheapflights users on 9/16. 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 9/2811:05 amLIS - STL
1 stop16h 01mBritish Airways
Sat 10/45:25 pmSTL - LIS
2 stops23h 45mBritish Airways
Deal found 9/16$743
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/2211:05 amLIS - STL
1 stop15h 09mAmerican Airlines
Wed 11/126:00 amSTL - LIS
1 stop20h 55mAmerican Airlines
Deal found 9/14$744

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 September 16, 2025.
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

Wed 10/22

5:00 am-5:29 pm

2 stops18h 29m

Lambert-St Louis

Wed 11/12

12:49 pm-11:20 am

2 stops16h 31m

$715

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 12/4

10:55 am-11:58 pm

2 stops19h 03m

Lambert-St Louis

Mon 12/8

4:49 pm-2:55 pm

2 stops16h 06m

$724

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 12/4

10:55 am-8:21 pm

1 stop15h 26m

Lambert-St Louis

Mon 12/8

1:59 pm-2:55 pm

2 stops18h 56m

$725

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 10/31

5:00 am-11:06 pm

2 stops23h 06m

Lambert-St Louis

Fri 11/7

5:15 pm-5:30 pm

2 stops18h 15m

$730

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Tue 11/11

6:05 am-8:46 pm

2 stops20h 41m

Lambert-St Louis

Tue 11/18

2:36 pm-10:30 am

2 stops13h 54m

$731

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 9/28

11:05 am-9:06 pm

1 stop16h 01m

Lambert-St Louis

Sat 10/4

5:25 pm-11:10 pm

2 stops23h 45m

$743

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 10/22

11:05 am-8:14 pm

1 stop15h 09m

Lambert-St Louis

Wed 11/12

6:00 am-8:55 am

1 stop20h 55m

$744

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 9/28

11:05 am-9:06 pm

1 stop16h 01m

Lambert-St Louis

Sat 10/4

6:00 am-9:05 am

1 stop21h 05m

$746

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 10/31

11:05 am-2:02 pm

1 stop31h 57m

Lambert-St Louis

Fri 11/7

6:00 am-8:45 am

1 stop20h 45m

$752

PortoSt. Louis

OPO - STL

OPOSTL

Porto

Wed 11/12

6:00 am-8:46 pm

2 stops20h 46m

Lambert-St Louis

Tue 11/18

12:49 pm-10:30 am

2 stops15h 41m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 46 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

What is the cheapest time of day to fly from PT to MO?

Find hourly flight availability from Portugal to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Portugal to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    Delta, American Airlines, and British Airways can get you from Portugal to Missouri in just under 15h 26m. Your travel time can differ by up to 3h 37m. 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 Iberia. According to our data, you can fly for as low as $540. Users have also found prices from $543 and $736 on American Airlines and British Airways, 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.

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

    Currently, August is the cheapest month in which you can book a flight from Portugal to Missouri (average of $311). Flying from Portugal to Missouri in March is currently the most expensive (average of $356). 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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