What is the cheapest airline that flies from Lambert-St Louis to Lisbon Humberto Delgado?

United Airlines is the most popular carrier operating from Lambert-St Louis to Lisbon Humberto Delgado

When did momondo last update prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport refresh daily.

How old do you have to be to fly from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

R5 847 Cheap Flights from St. Louis to Lisbon in 2026

Find the cheapest flights from St. Louis to Lisbon

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

6:00 - 8:10STL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

10:15 - 21:52LIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 37m1 stop Newark

R9 547United Airlines

Tue, Nov 3 - Wed, Nov 11

16:05 - 8:55STL Lambert-St Louis-LIS Lisbon Humberto Delgado

10h 50m1 stop Toronto Pearson Intl

12:50 - 23:14LIS Lisbon Humberto Delgado-STL Lambert-St Louis

40h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

R10 332United Airlines

Wed, Nov 25 - Tue, Dec 1

6:00 - 8:10STL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

5:00 - 21:40LIS Lisbon Humberto Delgado-STL Lambert-St Louis

22h 40m2 stops Frankfurt am Main Chicago O'Hare Intl

R10 396United Airlines

Tue, Nov 3 - Mon, Nov 9

8:00 - 10:05STL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 05m1 stop Washington, D.C. Dulles Intl

10:15 - 21:52LIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 37m1 stop Newark

R10 604United Airlines

Tue, Nov 3 - Mon, Nov 9

17:29 - 17:55STL Lambert-St Louis-LIS Lisbon Humberto Delgado

18h 26m2 stops Chicago O'Hare Intl London Heathrow

6:30 - 19:22LIS Lisbon Humberto Delgado-STL Lambert-St Louis

18h 52m2 stops Madrid Barajas Chicago O'Hare Intl

R11 517Multiple Airlines

Sat, Nov 21 - Thu, Dec 3

9:59 - 8:10STL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 11m1 stop Newark

5:00 - 13:45LIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

R11 597United Airlines

Tue, Nov 3 - Wed, Nov 11

18:50 - 6:55STL Lambert-St Louis-LIS Lisbon Humberto Delgado

30h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:00 - 13:45LIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

R11 661United Airlines

Tue, Nov 3 - Wed, Nov 11

14:38 - 14:55STL Lambert-St Louis-LIS Lisbon Humberto Delgado

18h 17m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:35 - 17:19LIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 44m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

R11 885Delta

Thu, Oct 15 - Fri, Oct 23

12:00 - 10:30STL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 30m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:00 - 21:42LIS Lisbon Humberto Delgado-STL Lambert-St Louis

22h 42m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

R11 933Delta

Wed, Nov 4 - Tue, Nov 10

9:40 - 6:55STL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 15m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

12:20 - 13:45LIS Lisbon Humberto Delgado-STL Lambert-St Louis

31h 25m1 stop Frankfurt am Main

R11 981United Airlines

Wed, Nov 4 - Tue, Nov 10

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Delta flights from St. Louis to Lisbon

Our best Delta deals on St. Louis to Lisbon flight tickets

Delta

Oct 15

STL14:38Lambert-St Louis

18h 17m

2 stops

LIS14:55Lisbon Humberto Delgado

Oct 23

LIS5:35Lisbon Humberto Delgado

17h 44m

2 stops

STL17:19Lambert-St Louis

R11 885

Delta

Nov 4

STL12:00Lambert-St Louis

16h 30m

2 stops

LIS10:30Lisbon Humberto Delgado

Nov 10

LIS5:00Lisbon Humberto Delgado

22h 42m

2 stops

STL21:42Lambert-St Louis

R11 933

Delta

Oct 6

STL14:38Lambert-St Louis

21h 12m

2 stops

LIS17:50Lisbon Humberto Delgado

Oct 13

LIS5:35Lisbon Humberto Delgado

17h 44m

2 stops

STL17:19Lambert-St Louis

R12 142

United Airlines flights from St. Louis to Lisbon

Our best United Airlines deals on St. Louis to Lisbon flight tickets

United Airlines

Nov 3

STL6:00Lambert-St Louis

20h 10m

1 stop

LIS8:10Lisbon Humberto Delgado

Nov 11

LIS10:15Lisbon Humberto Delgado

17h 37m

1 stop

STL21:52Lambert-St Louis

R9 547

United Airlines

Nov 25

STL16:05Lambert-St Louis

10h 50m

1 stop

LIS8:55Lisbon Humberto Delgado

Dec 1

LIS12:50Lisbon Humberto Delgado

40h 24m

2 stops

STL23:14Lambert-St Louis

R10 332

United Airlines

Nov 3

STL6:00Lambert-St Louis

20h 10m

1 stop

LIS8:10Lisbon Humberto Delgado

Nov 9

LIS5:00Lisbon Humberto Delgado

22h 40m

2 stops

STL21:40Lambert-St Louis

R10 396

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/11

6:00-8:10

1 stop20h 10m

Lisbon Humberto Delgado

Wed 11/11

10:15-21:52

1 stop17h 37m

R9 547

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 25/11

16:05-8:55

1 stop10h 50m

Lisbon Humberto Delgado

Tue 1/12

12:50-23:14

2 stops40h 24m

R10 332

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/11

6:00-8:10

1 stop20h 10m

Lisbon Humberto Delgado

Mon 9/11

5:00-21:40

2 stops22h 40m

R10 396

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/11

8:00-10:05

1 stop20h 05m

Lisbon Humberto Delgado

Mon 9/11

10:15-21:52

1 stop17h 37m

R10 604

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Sat 21/11

17:29-17:55

2 stops18h 26m

Lisbon Humberto Delgado

Thu 3/12

6:30-19:22

2 stops18h 52m

R11 517

Fastest return journey

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/11

9:59-8:10

1 stop16h 11m

Lisbon Humberto Delgado

Wed 11/11

5:00-13:45

1 stop14h 45m

R11 597

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/11

18:50-6:55

2 stops30h 05m

Lisbon Humberto Delgado

Wed 11/11

5:00-13:45

1 stop14h 45m

R11 661

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Thu 15/10

14:38-14:55

2 stops18h 17m

Lisbon Humberto Delgado

Fri 23/10

5:35-17:19

2 stops17h 44m

R11 885

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 4/11

12:00-10:30

2 stops16h 30m

Lisbon Humberto Delgado

Tue 10/11

5:00-21:42

2 stops22h 42m

R11 933

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 4/11

9:40-6:55

2 stops15h 15m

Lisbon Humberto Delgado

Tue 10/11

12:20-13:45

1 stop31h 25m

R11 981

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between St. Louis and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from R17 668 to R53 548.
The lowest price recently found on this route was R9 547.

What is the cheapest month to fly to Lisbon?

In general, April is the cheapest month to fly from St. Louis to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R9 402. If you’re not able to fly to Lisbon in April, then January is your next best option. Flight prices from St. Louis to Lisbon during January average around R12 077.

How far in advance should I book a flight from St. Louis to Lisbon?

You are more likely to see cheaper flights to Lisbon from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around R17 941 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from St. Louis for as low as R9 995 on momondo.

When to book flights from St. Louis to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap St. Louis to Lisbon (STL to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Lisbon

Best price found	R5 847
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is R5 847. The best return flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is R9 547.

There are no direct flights from St. Louis to Lisbon. There are no popular flight routes from St. Louis to Lisbon.

Search flight deals

Frequently asked questions about flying from St. Louis to Lisbon

How far is Lambert-St Louis to Lisbon Humberto Delgado by plane?
A flight from Lambert-St Louis to Lisbon Humberto Delgado will travel around 6775,6 km.
When did momondo last update prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport refresh daily.
How old do you have to be to fly from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Peniche

Nazaré

Fátima

Estoril

Almada

Sintra

Leiria

Setúbal

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Why should I use momondo to find a flight deal from St. Louis to Lisbon?

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Can I find flights from St. Louis to Lisbon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lisbon from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Lisbon?

momondo helps you find the best flight between St. Louis and Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Lisbon right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Lisbon from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from St. Louis to Lisbon from R5 847

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lisbon departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from St. Louis to Lisbon

Our best Delta deals on St. Louis to Lisbon flight tickets

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How to get the cheapest flight ticket from St. Louis to Lisbon

What is the typical price of a round-trip flight between St. Louis and Lisbon?

What is the cheapest month to fly to Lisbon?

How far in advance should I book a flight from St. Louis to Lisbon?

What is the cheapest airline that flies from Lambert-St Louis to Lisbon Humberto Delgado?

When to book flights from St. Louis to Lisbon

Cheap St. Louis to Lisbon (STL to LIS) flight deals and tips

Best price found

Direct flights

Frequently asked questions about flying from St. Louis to Lisbon

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An easier way to manage your Lisbon trip

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