Chicago (ORD) → Lisbon (LIS)

6,436 km
8h 33m flight
From $840
Lisbon destination photo

About Chicago to Lisbon Flights

Discover the best flights from Chicago to Lisbon, covering 6,436 km in approximately 8h 33m. Chicago (ORD) to Lisbon (LIS) is one of the major long-haul routes connecting United States and Portugal. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Chicago to Lisbon.

12-Month Price History

Flight prices from Chicago to Lisbon vary significantly throughout the year. February typically offers the best deals with average prices around $1160, while August sees the highest prices, averaging $1915. Savvy travelers can save up to 39% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

August

Peak season pricing

Book in Advance

165 days

For best prices

Booking Tips

For the best prices on Chicago to Lisbon flights, we recommend booking 106 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1690

Business

$7030

First

$10420

American Airlines

AA

Economy

$1980

Business

$7010

First

$9900

Kalitta Air

K4

Economy

$2050

Business

$6540

First

$11060

Portugália Airlines

PGA

Economy

$2070

Business

$6560

First

$10470

TAP Air Portugal

TP

Economy

$2080

Business

$6740

First

$12270

SkyWest Airlines

OO

Economy

$2160

Business

$6830

First

$10260

Portugália Airlines

NI

Economy

$2270

Business

$6460

First

$11500

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Lisbon destination photo

MilwaukeeLisbon

Milwaukee Mitchell International (MKE) to Lisbon (LIS)

Distance: 6,389 km

Average price: $1376

View this route →
Lisbon destination photo

ChicagoLisbon

Chicago Midway International (MDW) to Lisbon (LIS)

Distance: 6,433 km

Average price: $1384

View this route →

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Frequently Asked Questions

How long is the flight from Chicago to Lisbon?

The flight time from Chicago (ORD) to Lisbon (LIS) is approximately 8 hours and 33 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Chicago and Lisbon?

The aerial distance between Chicago and Lisbon is 6,436 kilometers (3,999 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Chicago to Lisbon?

Several airlines operate flights between Chicago and Lisbon, including American Airlines, United Airlines, TAP Air Portugal and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Chicago to Lisbon?

Based on historical data, February typically offers the lowest airfares for flights from Chicago to Lisbon. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Lisbon?

For the best prices on Chicago to Lisbon flights, we recommend booking 74 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Chicago to Lisbon?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Portugal should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Chicago and Lisbon?

Chicago operates on America/Chicago time zone, while Lisbon is in the Europe/Lisbon time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.