$366 Find Cheap Flights from St. Louis to Lisbon - Compare and Save

Four cabin classes are available on flights from St. Louis to Lisbon:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from St. Louis to Lisbon takes 00m, covering 4,212 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from St. Louis to Lisbon range from $708 to $1,255, with an average of $996 over the past 12 months. Anything below $708 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 31% above the $996 route average. Book 17 weeks before departure for the lowest fares.

One-way fares from St. Louis to Lisbon are currently lower than usual. Average one-way flight prices are about $389, which is 30% below the typical average for this route.

Lisbon Humberto Delgado Airport (LIS) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include:

• Klass Wagen
• Goldcar Rental SP
• Drive on Holiday
• GREEN MOTION
• Guerin

Flights from St. Louis to Lisbon usually depart from Lambert-St Louis (STL) and arrive at Lisbon Humberto Delgado (LIS).

One-stop flights from St. Louis to Lisbon most commonly connect through:

• Philadelphia (PHL) - 48% of one-stop connections
• Toronto Pearson Intl (YYZ) - 20% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) - 11% of one-stop connections
• Washington, D.C. Dulles Intl (IAD) - 6% of one-stop connections

Yes. Flexible dates can save you up to 31% on flights from St. Louis to Lisbon. Tuesday is the cheapest departure day at $802 round-trip on average, while Sunday is the most expensive at $1,152, a difference of $350.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 11h 36m, compared with 12h 30m via Newark (EWR) and 13h 50m via Toronto Pearson Intl (YYZ).

Lisbon is 6 hours ahead of St. Louis (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Lisbon are Chiado, Commerce Square and Praça dos Restauradores. These are among the most viewed places in Lisbon on KAYAK.

This depends on the travel class you are in. Economy Basic travelers must pay for all their luggage except handbags. Economy class travelers can bring one checked bag of fewer than 50 lbs. Premium Economy travelers can bring two items of checked baggage under 50 lbs, and business class travelers can get two checked items under 70 lbs. First-class travelers can bring three things under 50 lbs.

Yes. Reduced mobility travelers of American Airlines can get help to and from their gates, between gates during stops, and to the baggage claim area. Travelers that need hearing assistance can request assistance for essential flight updates. Also, low-vision travelers can get help checking in and entering their gates. However, travelers needing special assistance should contact American Airlines for service.

Lisbon Airport is served by a metro line that offers rides to the city in 20 minutes. You can find them outside the arrivals area. Several bus lines tip at the airport's arrival terminal, taking you to different parts of the city. You can also find taxis queuing outside the departures and arrival terminals.

American Airlines offer different type of seating on board depending on your travel class. Basic Economy travelers get standard legroom and space. They sit at the back of the plane, with white seats. Economy Plus seating offers extra legroom and passengers' seat in front of the economy cabin. Seats are either blue or purple, and they come with power plugs. In addition, travelers get complimentary alcoholic seats. United First travelers get more legroom and fully reclining seats. The seats are dark blue and feature in-seat power outlets.