Denver (DEN) → Lisbon (LIS)
About Denver to Lisbon Flights
Discover the best flights from Denver to Lisbon, covering 7,773 km in approximately 10h 13m. Denver (DEN) 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 Denver to Lisbon.
12-Month Price History
Flight prices from Denver to Lisbon vary significantly throughout the year. February typically offers the best deals with average prices around $1258, while July sees the highest prices, averaging $2122. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
148 days
For best prices
Booking Tips
For the best prices on Denver to Lisbon flights, we recommend booking 109 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
| Airline | Economy | Business | First |
|---|---|---|---|
Frontier Airlines F9 | $1010 | - | - |
Southwest Airlines WN | $1090 | - | - |
SkyWest Airlines OO | $1250 | $5340 | $8200 |
United Airlines UA | $1430 | $5430 | $6830 |
Portugália Airlines PGA | $1470 | $4580 | $6950 |
Portugália Airlines NI | $1520 | $5150 | $8730 |
TAP Air Portugal TP | $1560 | $4670 | $8440 |
Frontier Airlines
F9
Economy
$1010
Business
-
First
-
Southwest Airlines
WN
Economy
$1090
Business
-
First
-
SkyWest Airlines
OO
Economy
$1250
Business
$5340
First
$8200
United Airlines
UA
Economy
$1430
Business
$5430
First
$6830
Portugália Airlines
PGA
Economy
$1470
Business
$4580
First
$6950
Portugália Airlines
NI
Economy
$1520
Business
$5150
First
$8730
TAP Air Portugal
TP
Economy
$1560
Business
$4670
First
$8440
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from Denver to Lisbon?
The flight time from Denver (DEN) to Lisbon (LIS) is approximately 10 hours and 13 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Denver and Lisbon?
The aerial distance between Denver and Lisbon is 7,773 kilometers (4,830 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Denver to Lisbon?
Several airlines operate flights between Denver and Lisbon, including United Airlines, Southwest Airlines, Frontier Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Denver to Lisbon?
Based on historical data, February typically offers the lowest airfares for flights from Denver 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 Denver to Lisbon flights, we recommend booking 162 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Denver 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 Denver and Lisbon?
Denver operates on America/Denver 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.