Are direct flights from St. Louis to Lisbon always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers, which can be appealing. However, connecting flights are often more budget-friendly, especially for longer international journeys. The 'best' option usually depends on your priorities for cost versus convenience.

Can flexible travel dates help on St. Louis to Lisbon flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week travel or flying during off-peak seasons often results in lower fares compared to weekends or major holidays. Adjusting your departure or return by a few days may reveal more economical options.

What extra costs should I check before booking St. Louis to Lisbon flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Also, consider the cost of transportation to and from the airports at both ends of your journey. These additional expenses can impact the total travel budget.

Flights From St. Louis

To Lisbon

Cheap Flights from St. Louis to Lisbon

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from St. Louis to Lisbon

Explore current cheapest deals departing from St. Louis to Lisbon

2026-11-02 – 2026-11-18
STL - Lisbon
76% AI deal score
$620
$717
Round trip
2026-11-02 – 2026-11-10
STL - Lisbon
76% AI deal score
$628
$718
Round trip
2026-10-21 – 2026-11-06
STL - Lisbon
80% AI deal score
$803
$719
Round trip
2026-10-26 – 2026-11-03
STL - Lisbon
80% AI deal score
$841
$746
Round trip
2026-12-02 – 2026-12-10
STL - Lisbon
79% AI deal score
$803
$746
Round trip
2026-10-07 – 2026-10-21
STL - Lisbon
78% AI deal score
$788
$766
Round trip
2026-09-22 – 2026-09-29
STL - Lisbon
77% AI deal score
$793
$767
Round trip
2026-09-28 – 2026-10-06
STL - Lisbon
77% AI deal score
$772
$785
Round trip
2026-09-28 – 2026-10-09
STL - Lisbon
76% AI deal score
$765
$785
Round trip
2026-10-18 – 2026-10-25
STL - Lisbon
79% AI deal score
$835
$790
Round trip

St. Louis to Lisbon: Overview

Insights for flights from St. Louis to Lisbon

A typical journey from St. Louis to Lisbon takes about 24h 35m, including connections. Since most itineraries connect at least once, this duration reflects the time spent on all segments of the trip. Travelers should account for this total travel time when planning their schedule.

For those seeking cheap flights from St. Louis to Lisbon, prices are typically $719–$1139, with a median of $801. Right now, fares are below the typical level. However, 0% of recent fares were classified as a good price, indicating that finding exceptional deals might require flexibility. New deals appear almost daily, suggesting frequent opportunities to monitor price changes.

When is the cheapest time to fly from St. Louis to Lisbon? The most affordable month to fly is February, with a median fare of $394. Following February, July offers a median fare of $574, and September presents a median of $614. These months provide the best opportunities for lower prices on this route.

Most itineraries from St. Louis to Lisbon connect at least once, with 0% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This means travelers should expect to make multiple stops on their journey to Lisbon.

The route from St. Louis to Lisbon covers a distance of 6784 km, classifying it as a long-haul journey. This significant distance contributes to the overall travel time and the need for connecting flights.

How much is a round trip from St. Louis to Lisbon

Regular price: $546 - $1,185

Prices for flights from St. Louis to Lisbon are currently within the regular range.

The regular price range for flights from St. Louis to Lisbon is between $546 and $1185. The current lowest deal is $703 with Air Canada, for travel from Nov 11-Nov 25.

now $703

Low $546

High $1,185

The cheapest time to fly from St. Louis to Lisbon

The cheapest month to fly from St. Louis to Lisbon is February, with a median price of $394. The most expensive month is October, with a median price of $867. Prices are generally lower from January to December.

February

Cheapest

Flights from $394

October

Most Expensive

Flights from $867

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Lisbon

Air Canada

Frontier Airlines

United Airlines

WestJet

Last-minute flights going from St. Louis to Lisbon

Sun, Aug 2

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

WestJet

$822

$1,331

One-way

Wed, Aug 5

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

Lufthansa

$795

$1,758

One-way

Mon, Aug 10

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

Frontier Airlines

$705

$966

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

Lufthansa

$760

$897

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

Air Canada

$676

$962

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Lisbon

St. Louis (STL) - Lisbon (LIS)

Air Canada

$689

$1,168

One-way

Biggest price drops on these dates for flights from St. Louis to Lisbon

5 nights

Oct 21 - Oct 26

$853 → $714

16%

11 nights

Oct 26 - Nov 6

$813 → $728

11%

9 nights

Oct 25 - Nov 3

$819 → $751

25 nights

Dec 28 - Jan 22

$791 → $729

Popular Airports to fly from St. Louis to Lisbon

St. Louis - Lisbon route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from St. Louis to Lisbon are below the typical level of $801.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February is the cheapest month to fly from St. Louis to Lisbon, with a median price of $394.

⏱️ Flight duration

Connecting flights typically take 24h 35m.

Flights from St. Louis to Lisbon typically involve connecting flights, with a median duration of 24h 35m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights are dominant for St. Louis to Lisbon, with a median of 2 stopovers.

🏆 Airline highlight

Air Canada offers frequent deals on this route.

Air Canada has 59 direct deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently for this route.

Deals for flights from St. Louis to Lisbon appear frequently, usually within a 30-day window.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a good option for flights from St. Louis to Lisbon.

📍 ~25 km from St. Louis (reachable by car)

💸 Flights from ~$757

Lisbon main airports to arrive at

Lisbon Portela (LIS)

Cheapest

Lisbon Portela Airport is the primary gateway for flights from St. Louis to Lisbon.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$757

Airports nearby Lisbon used as alternative

Porto (OPO)

Cheapest

Porto is a major international hub with an extensive route network, offering excellent rail and highway access.

📍 ~275 km from Lisbon (reachable by train or car, ~3 hours travel time)

💸 Flights from ~$720

Business & First Class Flight Deals to Lisbon

89% AI deal score

$2,946

$2,477

Save $469

Frequently Asked Questions About Flights to Lisbon

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance, often several months before your intended departure, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fare trends may be beneficial. Last-minute deals are less common for international routes.

Comparing nearby airports at both your origin and destination can sometimes uncover different flight options or prices. While it may add to travel time, the potential savings could make it a worthwhile consideration. Always factor in ground transportation costs and convenience.

St. Louis to Lisbon: Overview

Insights for flights from St. Louis to Lisbon

How much is a round trip from St. Louis to Lisbon

Regular price: $546 - $1,185

Prices for flights from St. Louis to Lisbon are currently within the regular range.

The regular price range for flights from St. Louis to Lisbon is between $546 and $1185. The current lowest deal is $703 with Air Canada, for travel from Nov 11-Nov 25.

now $703

Low $546

High $1,185

The cheapest time to fly from St. Louis to Lisbon

February

Cheapest

Flights from $394

October

Most Expensive

Flights from $867

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec