Cheap flights from St. Louis to Lisbon from $353
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 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from St. Louis to Lisbon
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Delta flights from St. Louis to Lisbon
Our best Delta deals on St. Louis to Lisbon flight tickets
American Airlines flights from St. Louis to Lisbon
Our best American Airlines deals on St. Louis to Lisbon flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from St. Louis to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Mon 11/9
4:05 pm-9:20 am
1 stop11h 15m
Lisbon Humberto Delgado
Wed 11/25
5:00 am-1:45 pm
1 stop14h 45m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Mon 11/2
4:05 pm-9:20 am
1 stop11h 15m
Lisbon Humberto Delgado
Wed 11/18
5:00 am-1:45 pm
1 stop14h 45m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Wed 11/18
3:40 pm-11:35 am
1 stop13h 55m
Lisbon Humberto Delgado
Wed 11/25
5:00 am-1:45 pm
1 stop14h 45m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Wed 11/18
1:00 pm-8:10 am
2 stops13h 10m
Lisbon Humberto Delgado
Wed 11/25
5:00 am-1:45 pm
1 stop14h 45m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 11/3
6:00 am-8:10 am
1 stop20h 10m
Lisbon Humberto Delgado
Wed 11/11
5:00 am-1:45 pm
1 stop14h 45m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 12/1
6:55 pm-6:55 am
2 stops30h 00m
Lisbon Humberto Delgado
Thu 12/10
10:55 am-12:22 pm
2 stops31h 27m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 11/3
11:20 am-3:10 pm
2 stops21h 50m
Lisbon Humberto Delgado
Wed 11/11
5:00 am-11:22 pm
2 stops24h 22m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Wed 11/4
6:47 am-11:20 am
2 stops22h 33m
Lisbon Humberto Delgado
Tue 11/10
11:30 am-11:56 pm
2 stops18h 26m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Sun 3/14
7:00 am-6:55 am
2 stops18h 55m
Lisbon Humberto Delgado
Tue 3/23
12:50 pm-3:02 pm
2 stops31h 12m
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Sun 11/22
5:00 pm-8:10 am
1 stop33h 10m
Lisbon Humberto Delgado
Tue 12/1
11:20 am-3:26 pm
1 stop34h 06m
See travel insights to Lisbon from
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
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 $885 to $1,338.The lowest price recently found on this route was $718.
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 $587. If you are unable to visit Lisbon during the month of April, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $760.
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 $1,124 when searching weeks out. 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 $594 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Lisbon Humberto Delgado?
United Airlines, Delta, and American Airlines are the most popular carriers operating from Lambert-St Louis to Lisbon Humberto Delgado
What airlines fly to Lisbon?
United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Lisbon from St. Louis according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 6 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between St. Louis and Lisbon?
Frankfurt am Main (FRA) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from St. Louis to Lisbon?
Flights via New York (JFK) offer the lowest average round-trip price of $605.
Which layover airport has the shortest travel time from St. Louis to Lisbon?
Flights connecting via New York (JFK) have the shortest average one-way travel time: 10h 30m.
Which layover airport has the shortest connection time from St. Louis to Lisbon?
New York (JFK) has the shortest average layover time for this route: 1h 21m.
When to book flights from St. Louis to Lisbon
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
Frequently asked questions about flying from St. Louis to Lisbon
How far is Lambert-St Louis to Lisbon Humberto Delgado by plane?
The distance between Lambert-St Louis and Lisbon Humberto Delgado is about 4210.2 mi. A reasonable flight in good conditions will take 10h 50m.
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 were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
There are 6 operators available for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 license 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.
What is the most popular airline from St. Louis to Lisbon?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Lisbon is United Airlines (39% of total bookings). The next most popular airlines are Air Canada (22%), American Airlines (13%), and British Airways (9%).
Best airlines flying from St. Louis to Lisbon
Compare and see reviews for airlines that fly from St. Louis to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $502 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $558 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $606 | Free Cancellation | Rating 6.8 8,271 reviews | |||
| PriceFrom $646 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 7.1 11,744 reviews |
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Lisbon?
It is quick and easy to find St. Louis to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.
Can I find flights from St. Louis to Lisbon with flexible booking policies on momondo?
momondo does allow users to show only those flights to Lisbon from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Lisbon?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from St. Louis.
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.