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Cheap Flights from Denver International to Lisbon

Compare Denver International to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from Denver International to Lisbon

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Lisbon Airport? If you want to travel next month, return fares start from Rs217,077. Find the lowest prices on one-way and return tickets right here.
Lisbon.Rs69,333 per passenger.Departing Mon, 31 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 31 Aug, arriving in Lisbon.Price includes taxes and charges.From Rs69,333, select.
Lisbon.Rs73,293 per passenger.Departing Tue, 1 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Tue, 1 Sep, arriving in Lisbon.Price includes taxes and charges.From Rs73,293, select.
Lisbon.Rs90,337 per passenger.Departing Sat, 14 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sat, 14 Nov, arriving in Lisbon.Price includes taxes and charges.From Rs90,337, select.
Lisbon.Rs92,769 per passenger.Departing Fri, 11 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Fri, 11 Dec, arriving in Lisbon.Price includes taxes and charges.From Rs92,769, select.
Lisbon.Rs93,400 per passenger.Departing Mon, 8 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 8 Feb, arriving in Lisbon.Price includes taxes and charges.From Rs93,400, select.
Lisbon.Rs94,260 per passenger.Departing Thu, 23 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 23 Jul, arriving in Lisbon.Price includes taxes and charges.From Rs94,260, select.
Lisbon.Rs94,786 per passenger.Departing Thu, 15 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 15 Oct, arriving in Lisbon.Price includes taxes and charges.From Rs94,786, select.
Lisbon.Rs102,247 per passenger.Departing Mon, 1 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 1 Mar, arriving in Lisbon.Price includes taxes and charges.From Rs102,247, select.
Lisbon.Rs102,308 per passenger.Departing Mon, 11 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 11 Jan, arriving in Lisbon.Price includes taxes and charges.From Rs102,308, select.
Lisbon.Rs103,554 per passenger.Departing Wed, 5 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Wed, 5 May, arriving in Lisbon.Price includes taxes and charges.From Rs103,554, select.
Lisbon.Rs107,597 per passenger.Departing Tue, 6 Apr.One-way flight with KLM.Outbound indirect flight with KLM, departs from Denver International on Tue, 6 Apr, arriving in Lisbon.Price includes taxes and charges.From Rs107,597, select.

Find the cheapest month to fly from Denver International to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Lisbon flights are currently cheapest in August.
Jul
from Rs94,490
Aug
from Rs69,502
Sep
from Rs73,473
Oct
from Rs95,018
Nov
from Rs90,558
Dec
from Rs92,996
Jan
from Rs102,558
Feb
from Rs93,629
Mar
from Rs102,497
Apr
from Rs107,860
May
from Rs103,807
Jun
Find prices

Denver International to Lisbon: Alternative routes

Compare routes from Denver International to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Lisbon

8km from central Lisbon
ClosestCheapest
from Rs69,502
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Cascais Municipal Aerodrome

19km from central Lisbon
Search flights

Denver to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundRs69,333
Cheapest month to flyAugust

Finding cheap flights from Denver International to Lisbon: Frequently asked questions

The best price we found for a return flight from Denver International to Lisbon is Rs172,900. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Lisbon. But we found flights with one or more stops from Rs172,478.
As of July 2026, there are no flights flying from Denver International to Lisbon.
The cheapest month to fly from Denver International to Lisbon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Lisbon Airport on Monday, 12 October 2026.
No airlines currently offer direct flights between Denver International Airport and Lisbon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Icelandair offers the cheapest flight tickets to Lisbon.

Flying from Denver International Airport (DEN) to Lisbon Airport (LIS): what you need to know

  • Lisbon's timezone is UTC+0, which makes Lisbon seven hours ahead of Denver.

  • Your DEN to LIS flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.

  • If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Denver International Airport to Lisbon Airport. Here are the top stopovers between DEN and LIS:

    • New York Newark Airport

    • Boston Logan International Airport

    • Philadelphia International Airport

How to find the cheapest flights from Denver International Airport (DEN) to Lisbon Airport (LIS)

  • Rs69,502 is currently the best price for a one-way Denver International Airport to Lisbon Airport flight. Return flights start at Rs172,478. These prices can change depending on demand and availability.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from DEN to LIS if you book early. Airlines often have some excellent early bird deals.

  • If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across the month when searching for your flight from Denver International Airport to Lisbon Airport.

  • Never miss a deal on cheap flights from DEN to LIS by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Find the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Denver International Airport to Lisbon Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Denver International Airport (DEN)

  • DEN's address is 8500 Pena Boulevard.

  • Denver International Airport gets high marks for on-time performance. 80% of flights that depart DEN arrive at their destination without delay.

  • Central Denver to Denver International Airport is approximately 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • You can expect a trip time of roughly 35 minutes when using public transport.

  • Want a place to stay before your flight from Denver International Airport to Lisbon Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before making your way to DEN.

Arriving at Lisbon Airport (LIS)

  • If you're landing on a late Denver International Airport to Lisbon Airport flight, nothing tops the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and relaxing soon after at one of these hotels near LIS:

  • Grab a Lisbon Airport rental car and discover Lisbon and beyond with your own wheels. Klass Wagen, Goldcar and OK Mobility are popular outlets to choose from here.

  • Lock in the best rate by reserving your ride from Lisbon Airport around two weeks in advance of your trip.

Getting from Lisbon Airport (LIS) to central Lisbon

  • From Lisbon Airport, Lisbon is approximately 8 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It typically takes 25 minutes to get there using public transport.

When to fly to Lisbon Airport (LIS)

  • August is the most popular month for flights from Denver International Airport to Lisbon Airport. To avoid the crowds, visit Lisbon in March.

  • When reserving your flight from Denver International Airport to Lisbon Airport, consider the type of weather you like. August is the warmest month in Lisbon, with temperatures ranging from 16ºC to 29ºC.

  • Look for cheap tickets from DEN to LIS in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 16ºC on average.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be discovered once you've seen the sights of Lisbon. Around 274 kilometres away to the north, well-known attractions include Ribeira District, Rio Douro and Livraria Lello.

  • Around 8 kilometres north-west of Lisbon, Amadora is another essential stop in Portugal. Experience this destination's highlights firsthand at Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan the rest of your trip from Denver to Lisbon

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.