Lisbon (LIS) → Denver (DEN)
About Lisbon to Denver Flights
Discover the best flights from Lisbon to Denver, covering 7,773 km in approximately 10h 13m. Lisbon (LIS) to Denver (DEN) is one of the major long-haul routes connecting Portugal and United States. 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 Lisbon to Denver.
12-Month Price History
Flight prices from Lisbon to Denver vary significantly throughout the year. February typically offers the best deals with average prices around $1258, while August sees the highest prices, averaging $2047. 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
180 days
For best prices
Booking Tips
For the best prices on Lisbon to Denver flights, we recommend booking 133 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 | $1650 | - | - |
Southwest Airlines WN | $1860 | - | - |
United Airlines UA | $2070 | $8050 | $12280 |
TAP Air Portugal TP | $2080 | $9400 | $14720 |
Portugália Airlines PGA | $2230 | $8730 | $12350 |
Portugália Airlines NI | $2570 | $7900 | $13840 |
SkyWest Airlines OO | $2680 | $7250 | $13830 |
Frontier Airlines
F9
Economy
$1650
Business
-
First
-
Southwest Airlines
WN
Economy
$1860
Business
-
First
-
United Airlines
UA
Economy
$2070
Business
$8050
First
$12280
TAP Air Portugal
TP
Economy
$2080
Business
$9400
First
$14720
Portugália Airlines
PGA
Economy
$2230
Business
$8730
First
$12350
Portugália Airlines
NI
Economy
$2570
Business
$7900
First
$13840
SkyWest Airlines
OO
Economy
$2680
Business
$7250
First
$13830
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 Lisbon to Denver?
The flight time from Lisbon (LIS) to Denver (DEN) 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 Lisbon and Denver?
The aerial distance between Lisbon and Denver is 7,773 kilometers (4,830 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Lisbon to Denver?
Several airlines operate flights between Lisbon and Denver, 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 Lisbon to Denver?
Based on historical data, February typically offers the lowest airfares for flights from Lisbon to Denver. 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 Denver?
For the best prices on Lisbon to Denver flights, we recommend booking 99 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Lisbon to Denver?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Portugal traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Lisbon and Denver?
Lisbon operates on Europe/Lisbon time zone, while Denver is in the America/Denver time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.