£556 Cheap Flights from Lisbon (LIS) to Denver (DEN)

View £556 flight on Mon, 15 Dec 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Denver International Airport (DEN)

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

Prices were available within the past 7 days and start at £556 for one-way flights and £618 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 9 Oct - Mon, 13 Oct
LIS
Lisbon
DEN
Denver
£618 Return, found 3 days ago
£618
Return
found 3 days ago
Select British Airways flight, departing Thu, 9 Oct from Lisbon to Denver, returning Mon, 13 Oct, priced at £618 found 3 days ago
British Airways
Tue, 2 Sep - Thu, 2 Oct
LIS
Lisbon
DEN
Denver
£628 Return, found 1 day ago
£628
Return
found 1 day ago
Select British Airways flight, departing Tue, 2 Sep from Lisbon to Denver, returning Thu, 2 Oct, priced at £628 found 1 day ago
Lufthansa
Thu, 9 Oct - Mon, 13 Oct
LIS
Lisbon
DEN
Denver
£640 Return, found 3 days ago
£640
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 9 Oct from Lisbon to Denver, returning Mon, 13 Oct, priced at £640 found 3 days ago
Swiss International Air Lines
Mon, 8 Sep - Sat, 4 Oct
LIS
Lisbon
DEN
Denver
£643 Return, found 6 days ago
£643
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep from Lisbon to Denver, returning Sat, 4 Oct, priced at £643 found 6 days ago
Aer Lingus
Tue, 2 Sep - Thu, 2 Oct
LIS
Lisbon
DEN
Denver
£650 Return, found 1 day ago
£650
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 2 Sep from Lisbon to Denver, returning Thu, 2 Oct, priced at £650 found 1 day ago
Brussels Airlines
Thu, 9 Oct - Mon, 13 Oct
LIS
Lisbon
DEN
Denver
£656 Return, found 3 days ago
£656
Return
found 3 days ago
Select Brussels Airlines flight, departing Thu, 9 Oct from Lisbon to Denver, returning Mon, 13 Oct, priced at £656 found 3 days ago
Lufthansa
Thu, 9 Oct - Mon, 13 Oct
LIS
Lisbon
DEN
Denver
£658 Return, found 3 days ago
£658
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 9 Oct from Lisbon to Denver, returning Mon, 13 Oct, priced at £658 found 3 days ago
Iberia
Tue, 2 Sep - Thu, 2 Oct
LIS
Lisbon
DEN
Denver
£659 Return, found 1 day ago
£659
Return
found 1 day ago
Select Iberia flight, departing Tue, 2 Sep from Lisbon to Denver, returning Thu, 2 Oct, priced at £659 found 1 day ago
Brussels Airlines
Thu, 9 Oct - Mon, 13 Oct
LIS
Lisbon
DEN
Denver
£659 Return, found 3 days ago
£659
Return
found 3 days ago
Select Brussels Airlines flight, departing Thu, 9 Oct from Lisbon to Denver, returning Mon, 13 Oct, priced at £659 found 3 days ago
Delta
Tue, 2 Sep - Thu, 2 Oct
LIS
Lisbon
DEN
Denver
£693 Return, found 1 day ago
£693
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Sep from Lisbon to Denver, returning Thu, 2 Oct, priced at £693 found 1 day ago

Find the cheapest month to fly from Lisbon (LIS) to Denver (DEN)

May is typically the cheapest month to fly

From £511 - £887 per traveller.

Graph displaying average flight prices per month

Flight from Lisbon to Denver route information
Origin airport
Humberto Delgado
Destination airport
Denver Intl.
Return price
£617
Distance
7728 km

Compare flights from Lisbon to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Lisbon to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to Denver Intl. start at just £618 and range up to £754.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and Denver
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Humberto Delgado Airport (LIS) to DEN?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between LIS and Denver Intl. Airport (DEN) was £618. Cheap fares don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LIS to DEN?
When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Lisbon Airport to Denver Intl. Airport (DEN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LIS to DIA airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lisbon Airport to DIA airport?
The distance is around 7,800 kilometres, so pack your carry-on bag with all you need to make the long journey comfortable. Not sure what to take on board your Lisbon District to Denver flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Denver Airport?
At the moment, no airlines offer direct flights from Humberto Delgado Airport (LIS) to Denver Airport. You'll need to book a flight with one or more stops. To get the best price and connections, lock in your airfare well ahead of time.
Are Lisbon/Portela Airport to DIA airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Lisbon/Portela Airport to DIA airport are available up to 12 months prior to departure on Expedia. And although you may score great last-minute deal, it's never a sure thing. Also, booking your flights ahead of time means you'll have more choices --- and you can avoid getting trapped in the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so check back often for all the latest specials.

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