Cheap flights from Denver (DEN) to Lisbon (LIS)

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The best prices from Denver Intl to Lisbon Humberto Delgado are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Thursday and return on a Thursday

How to find the cheapest flight from
Denver (DEN) to Lisbon (LIS)

All the information you need to plan the best DEN to LIS flight in 2021: compare Denver to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.
DEN - LIS
Price
$694 - $1,314
LIS
Temperature
51.8 - 73.4 °F
LIS
Precipitation
0.2 - 4.8 inches

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

January

Best time to find cheap flights, 23% potential price drop

Round-trip from

$694

From Denver Intl to Lisbon Humberto Delgado

One-way from

$339

One-way flight from Denver Intl to Lisbon Humberto Delgado

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Denver to Lisbon (DEN - LIS)?

It’s optimal to fly from Denver to Lisbon in the evening. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight at noon.

How far in advance should I book a flight from Denver to Lisbon?

Travelers have found it’s best to book a flight 61 days in advance to save up to 33% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Lisbon 1-2 weeks in advance for as low as $957, or $1,181 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from Denver to Lisbon?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Lisbon. Check prices with Cheapflights to find a great deal for your trip.

Cheap flights from Denver to Lisbon in December, January 2022

The best prices found for DEN to LIS flights for December, January
30 Jan - 10 Feb
$493pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
30 Jan - 10 Feb
$504pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
24 Jan - 3 Feb
$508pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl

Denver Intl to Lisbon 2022 flight deals

Cheap flights to Lisbon from Denver found for this year
8 Dec - 15 Dec
$605pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
25 Dec - 10 Jan
$612pp
DEN
Denver Intl
Lufthansa
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Lufthansa
   
2 STOPS
DEN
Denver Intl
25 Dec - 10 Jan
$624pp
DEN
Denver Intl
British Airways
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
British Airways
   
2 STOPS
DEN
Denver Intl

Last minute flights from Denver to Lisbon

Late deals on round-trip flights to Lisbon from Denver, departing today and this week
13 Dec - 23 Dec
$832pp
DEN
Denver Intl
Multiple Airlines
     
3 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
     
3 STOPS
DEN
Denver Intl
13 Dec - 20 Dec
$860pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
13 Dec - 23 Dec
$888pp
DEN
Denver Intl
Multiple Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
DEN
Denver Intl

One-way flights to Humberto Delgado from Denver

The cheapest one-way flights from Denver to Lisbon
7:46 pm - 12:30 am
Multiple Airlines
1 Stop
21h 44m
DEN - LIS
Multiple Airlines
$339
Kiwi.com
7:46 pm - 12:30 am
Multiple Airlines
1 Stop
21h 44m
DEN - LIS
Multiple Airlines
$340
Kiwi.com
1:45 am - 5:20 am
Multiple Airlines
1 Stop
20h 35m
DEN - LIS
Multiple Airlines
$369
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Lisbon</span> flights.

Flight FAQs

From Denver to Lisbon

Which airlines flying from Denver Intl to Lisbon Humberto Delgado have flexible cancellations due to COVID-19?

United Airlines, Lufthansa, and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Denver to Lisbon for under $500 on Cheapflights?

Yes, there are multiple flights from Denver to Lisbon for under $500. The cheapest flight booked recently is on Multiple Airlines for just $493, but on average you can expect to pay $537.

Are there last-minute flights available from Denver to Lisbon for under $900?

There are currently 20+ open flights from Denver to Lisbon within the next 7 days for less than $900.

How popular is this Denver to Lisbon flight route?

Within the past month, 15 users have taken a look at flights from Denver Intl to Lisbon Humberto Delgado.

What are the cheapest airlines flying from Denver to Lisbon round-trip?

According to our current data, Lufthansa ($528), United Airlines ($542), and Air France ($548) offers the cheapest pricing from Denver to Lisbon. Users have found that Lufthansa is 41% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Denver to Lisbon?

Before booking your flight from Denver to Lisbon check out the most popular airlines for this route: Major Airline, American Airlines or Air Canada.

What are the cheapest flights from Denver to Lisbon?

The cheapest flight price from Denver to Lisbon is $305. On average you can expect to pay $1,515. The most popular route, (Denver Intl - Lisbon Humberto Delgado), can usually be booked for $550.

COVID Restrictions

View COVID Travel Restrictions for Lisbon, Portugal

Do I need a COVID test to fly to Lisbon from Denver?

Information is based on travel restrictions from Denver Intl to Lisbon Humberto Delgado

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter Lisbon Humberto Delgado.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for RT-PCR (NAAT) and 24 Antigen (quick-test) hours before departing to Lisbon Humberto Delgado.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Lisbon Humberto Delgado.

Documents
Health declaration for Madeira - Travelers must complete and submit it 12-48 hours before departure. This will generate a QR code which must be presented upon arrival.


Do I need a test to fly back to Denver from Lisbon?

Returning to Denver Intl from Lisbon Humberto Delgado

COVID-19 testing requirements
Visitors from Lisbon Humberto Delgado must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Lisbon Humberto Delgado are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Lisbon, Portugal

Alternative routes for Denver to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Lisbon

Things to know before you go - useful duration and weather info for your trip from Denver to Lisbon.
Today's exchange rate
$1 = €0.89
Average temperature for December in Lisbon
59.0 °F

Airports servicing Denver

Airports servicing Lisbon

Top 8 airlines flying from Denver Intl to Lisbon Humberto Delgado

The chart below displays the airlines Cheapflights users traveling from Denver to Lisbon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
British Airways
$393 $850 No cancel fee 70%
American Airlines
$439 $894 No cancel fee 71%
United Airlines
$476 $1,454 No cancel fee 69%
Delta
$477 $617 No cancel fee N/A
KLM
$482 $664 No cancel fee 75%
Lufthansa
$592 $1,089 No cancel fee 76%
TAP AIR PORTUGAL
$648 $1,285 No cancel fee N/A
Air Canada
$718 $1,222 No cancel fee 67%
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