Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Lisbon from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Lisbon departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 7:05 pm
LIS
-
DEN
27h 45m
1 stop
$428Icelandair
sáb, fev 28 - dom, mar 15
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 7:05 pm
LIS
-
DEN
27h 45m
1 stop
$434Icelandair
sáb, fev 28 - dom, mar 15
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 6:05 pm
LIS
-
DEN
27h 45m
1 stop
$437Icelandair
qua, fev 18 - qui, fev 26
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 7:05 pm
LIS
-
DEN
27h 45m
1 stop
$443Icelandair
sáb, fev 21 - dom, mar 8
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 6:05 pm
LIS
-
DEN
27h 45m
1 stop
$455Icelandair
qua, fev 11 - qui, fev 19
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 6:05 pm
LIS
-
DEN
27h 45m
1 stop
$464Icelandair
qua, fev 4 - qui, fev 19
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
9:20 pm - 6:05 pm
LIS
-
DEN
27h 45m
1 stop
$477Icelandair
sáb, fev 21 - qui, fev 26
Icelandair Logo
4:40 pm - 9:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
10:25 pm - 7:00 pm
LIS
-
DEN
27h 35m
1 stop
$482Icelandair
sáb, abr 4 - dom, abr 12
Icelandair Logo
4:40 pm - 9:20 pm
DEN
-
LIS
21h 40m
1 stop
Icelandair Logo
10:25 pm - 7:00 pm
LIS
-
DEN
27h 35m
1 stop
$495Icelandair
sáb, abr 4 - dom, abr 12
Multiple Airlines Logo
5:30 pm - 9:20 am
DEN
-
LIS
32h 50m
1 stop
Multiple Airlines Logo
5:00 am - 5:00 pm
LIS
-
DEN
18h 00m
1 stop
$502Multiple Airlines
sáb, fev 21 - qua, mar 11

Icelandair flights from Denver to Lisbon

Our best Icelandair deals on Denver to Lisbon flight tickets
Icelandair
Feb 28
DEN3:40 pmDenver Intl
21h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 15
LIS9:20 pmLisbon Humberto Delgado
27h 45m
1 stop
DEN7:05 pmDenver Intl
$428
Icelandair
Feb 28
DEN3:40 pmDenver Intl
21h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 15
LIS9:20 pmLisbon Humberto Delgado
27h 45m
1 stop
DEN7:05 pmDenver Intl
$434
Icelandair
Feb 18
DEN3:40 pmDenver Intl
21h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Feb 26
LIS9:20 pmLisbon Humberto Delgado
27h 45m
1 stop
DEN6:05 pmDenver Intl
$437

Lufthansa flights from Denver to Lisbon

Our best Lufthansa deals on Denver to Lisbon flight tickets
Lufthansa
Feb 17
DEN5:45 pmDenver Intl
22h 05m
1 stop
LIS10:50 pmLisbon Humberto Delgado
Feb 25
LIS5:00 amLisbon Humberto Delgado
18h 00m
1 stop
DEN4:00 pmDenver Intl
$499
Lufthansa
Apr 26
DEN4:05 pmDenver Intl
23h 40m
1 stop
LIS10:45 pmLisbon Humberto Delgado
May 6
LIS7:25 amLisbon Humberto Delgado
15h 15m
1 stop
DEN3:40 pmDenver Intl
$519
Lufthansa
Jan 27
DEN4:20 pmDenver Intl
14h 00m
1 stop
LIS1:20 pmLisbon Humberto Delgado
Feb 10
LIS6:10 amLisbon Humberto Delgado
15h 25m
1 stop
DEN2:35 pmDenver Intl
$521

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated janeiro 15, 2026.
Use the filters below to find and compare flights from Denver to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 2/28

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

dom 3/15

9:20 pm-7:05 pm

1 stop27h 45m

$428

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 2/28

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

dom 3/15

9:20 pm-7:05 pm

1 stop27h 45m

$434

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

qua 2/18

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

qui 2/26

9:20 pm-6:05 pm

1 stop27h 45m

$437

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 2/21

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

dom 3/8

9:20 pm-7:05 pm

1 stop27h 45m

$443

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

qua 2/11

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

qui 2/19

9:20 pm-6:05 pm

1 stop27h 45m

$455

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

qua 2/4

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

qui 2/19

9:20 pm-6:05 pm

1 stop27h 45m

$464

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 2/21

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

qui 2/26

9:20 pm-6:05 pm

1 stop27h 45m

$477

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 4/4

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

dom 4/12

10:25 pm-7:00 pm

1 stop27h 35m

$482

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 4/4

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

dom 4/12

10:25 pm-7:00 pm

1 stop27h 35m

$495

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb 2/21

5:30 pm-9:20 am

1 stop32h 50m

Lisbon Humberto Delgado

qua 3/11

5:00 am-5:00 pm

1 stop18h 00m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Lisbon from

How to get the cheapest flight ticket from Denver to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Denver to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $662. If you are unable to visit Lisbon during the month of November, then departing from Denver during the month January is also very affordable. Most momondo users find prices during this month for around $718.

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

You are more likely to see cheaper flights to Lisbon from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $916 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Denver for as low as $846 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of January 2026, prices for Denver to Lisbon flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Lisbon (DEN to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Lisbon

Fastest flight time

12h 55m

Direct flights

None
The fastest flight from Denver to Lisbon takes 12h 55m
There are no direct flights from Denver to Lisbon. There are no popular flight routes from Denver to Lisbon.
Search flight deals

  • How far is Denver Intl to Lisbon Humberto Delgado by plane?

    The distance between Denver Intl and Lisbon Humberto Delgado is about 4847.0 mi. Flights usually cover this in 12h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport are updated daily.

  • How many operators does momondo search for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Denver Intl Airport to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Denver to Lisbon?

Best airlines flying from Denver to Lisbon

Compare and see reviews for airlines that fly from Denver to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $458Free CancellationRating
7.1
596 reviews
Search Icelandair flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,679 reviews
Search British Airways flights
LufthansaPriceFrom $561Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,050 reviews
Search Delta flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $588Free CancellationRating
7.3
4,175 reviews
Search Turkish Airlines flights
KLMPriceFrom $599Free CancellationRating
7.7
1,440 reviews
Search KLM flights
Virgin AtlanticPriceFrom $603Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $625Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights
Air FrancePriceFrom $655Free CancellationRating
7.4
1,522 reviews
Search Air France flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Ericeira
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Evora
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
Sines
Almada

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Lisbon?

Finding the right flight to Lisbon from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

Can I find flights from Denver to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Lisbon?

momondo provides multiple filters to help you find the best flight to Lisbon from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Lisbon right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb 2/14
sáb 2/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal