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Cheap flights from Portugal to St. Louis (STL) from $466

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LIS — STL
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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What is the cheapest month to fly from Portugal to St. Louis?

The best pricing can be found in the month of October. Prices to St. Louis from Portugal average $929. You can even find prices in October for less than $929, as users have found deals to St. Louis from as low as $526. The month of July appears to be one of the more expensive times to travel to St. Louis from Portugal. Flying in the targeted month can save you up to 23%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to St. Louis as you normally would.

Cheap Portugal to St. Louis flights in June & July 2024

Find cheap flight options from Portugal to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Mon 6/1711:05 amLIS - STL
2 stops16h 23mAmerican Airlines
Sun 6/236:08 amSTL - LIS
1 stop20h 57mAmerican Airlines
Deal found 6/6$811
Thu 6/207:20 amLIS - STL
2 stops20h 42mAmerican Airlines
Mon 6/246:08 amSTL - LIS
1 stop20h 57mAmerican Airlines
Deal found 6/6$835
Thu 6/207:20 amLIS - STL
2 stops20h 42mAmerican Airlines
Mon 6/2411:05 amSTL - LIS
2 stops14h 40mAmerican Airlines
Deal found 6/6$864
Mon 6/1711:05 amLIS - STL
2 stops18h 58mAmerican Airlines
Sun 6/231:42 pmSTL - LIS
2 stops20h 23mAmerican Airlines
Deal found 6/6$906

Portugal to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Portugal and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Mon 6/1711:05 amLIS - STL
2 stops16h 23mAmerican Airlines
Sun 6/236:08 amSTL - LIS
1 stop20h 57mAmerican Airlines
Deal found 6/6$811
Thu 6/207:20 amLIS - STL
2 stops20h 42mAmerican Airlines
Mon 6/246:08 amSTL - LIS
1 stop20h 57mAmerican Airlines
Deal found 6/6$835
Thu 6/207:20 amLIS - STL
2 stops20h 42mAmerican Airlines
Mon 6/2411:05 amSTL - LIS
2 stops14h 40mAmerican Airlines
Deal found 6/6$864
Mon 6/1711:05 amLIS - STL
2 stops18h 58mAmerican Airlines
Sun 6/231:42 pmSTL - LIS
2 stops20h 23mAmerican Airlines
Deal found 6/6$906

One-way flights to St. Louis from Portugal

Search for one-way flight options from Portugal to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Wed 8/2812:10 pmLIS - STL
3 stops48h 52mMultiple Airlines
Deal found 6/5$466
Mon 7/226:00 amLIS - STL
3 stops34h 24mMultiple Airlines
Deal found 6/6$481
Sat 10/55:55 amLIS - STL
3 stops41h 35mMultiple Airlines
Deal found 6/5$520
Mon 7/296:00 amLIS - STL
3 stops34h 24mMultiple Airlines
Deal found 6/6$523
Sat 10/510:40 pmLIS - STL
3 stops41h 38mMultiple Airlines
Deal found 6/5$529
Wed 7/1710:40 amLIS - STL
2 stops36h 49mMultiple Airlines
Deal found 6/5$577
Wed 8/286:40 amLIS - STL
2 stops30h 22mMultiple Airlines
Deal found 6/5$580
Fri 10/46:40 amOPO - STL
2 stops21h 34mMultiple Airlines
Deal found 6/5$597
Wed 7/1710:40 amLIS - STL
1 stop15h 21mMultiple Airlines
Deal found 6/5$620

Find flights from Portugal to St. Louis within your budget

Customize your flight search to find flights from Portugal to St. Louis 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$811 - $864

Route

Depart

Return

Price

Lisbon Humberto DelgadoLambert-St Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/20

1 stop15h 51m

Lambert-St Louis

Mon 6/24

1 stop20h 57m

$811

Lisbon Humberto DelgadoLambert-St Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/20

2 stops20h 42m

Lambert-St Louis

Mon 6/24

1 stop20h 57m

$835

Lisbon Humberto DelgadoLambert-St Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/20

2 stops20h 42m

Lambert-St Louis

Mon 6/24

2 stops14h 40m

$864

Flights are sorted by cheapest first

Deals found on 6/6

No data available for this route at this time. Please check back soon.

Best time to book a flight from Portugal to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 6, 2024.
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Finnair
7.8
Good
1,363 reviews
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Turkish Airlines
7.4
Good
3,718 reviews
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

American Airlines
7.3
Good
14,227 reviews
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Lufthansa
7.0
Good
7,524 reviews
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

British Airways
6.8
Okay
6,754 reviews
Finnair
7.8
Good
1,363 reviews

Food

6.8

Comfort

7.5

Boarding

7.8

Crew

8.2

Entertainment

7.0

Overall

7.8

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Related info for your journey

Find useful and relevant information for your journey from Portugal to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Portugal?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Portugal to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • Can I find flights from Portugal to St. Louis for under $900 on Cheapflights?

    Yes, there are multiple flights from Portugal to St. Louis for under $900. The cheapest flight booked recently is on American Airlines for just $811, but on average you can expect to pay $836.

  • What does LIS to STL mean?

    Great question - LIS to STL just means Lisbon Humberto Delgado Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights! Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Portugal to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Portugal to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portugal to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portugal to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portugal to St. Louis that include hotel bookings?

    Yes. In addition to deals on Portugal to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to St. Louis.

  • Can I find deals for business class flights from Portugal to St. Louis?

    Yes. Cheapflights offers flight deals from Portugal to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portugal to St. Louis that allow pets onboard?

    Many airlines flying from Portugal to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portugal to St. Louis?

    Yes, you can often find last-minute deals on Portugal to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portugal to St. Louis flight deals updated?

    The Portugal to St. Louis flight deals you see on this page were last updated on 6/6.

  • What is the cheapest month to book a flight from Portugal to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Portugal to St. Louis (average of $318). Flying from Portugal to St. Louis in July is currently the most expensive (average of $365). 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 Portugal to St. Louis
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Top airline flying from Portugal to St. Louis

Discover the top airline that operate flights from Portugal to St. Louis. 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$679Average$895FlexibilityNo cancel feeOn-time71%
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Search flights from Portugal to St. Louis by cabin class

Find flights from Portugal to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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