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Cheap flights from Denver to Lisbon from $277

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 2/15. 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

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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 - 6:05 pm
LIS
-
DEN
27h 45m
1 stop
$437Icelandair
Wed, Feb 18 - Thu, Feb 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
Sat, Feb 21 - Sun, 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
Wed, Feb 11 - Thu, Feb 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
Wed, Feb 18 - Sun, Feb 22
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
Sat, Feb 21 - Thu, Feb 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
Sat, Apr 4 - Sun, Apr 12
Lufthansa Logo
5:45 pm - 2:50 pm
DEN
-
LIS
14h 05m
1 stop
Lufthansa Logo
5:00 am - 6:03 pm
LIS
-
DEN
20h 03m
2 stops
$488Lufthansa
Wed, Feb 25 - Wed, Mar 4
Lufthansa Logo
5:45 pm - 2:50 pm
DEN
-
LIS
14h 05m
1 stop
Lufthansa Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m
1 stop
$497Lufthansa
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
1:25 pm - 9:20 am
DEN
-
LIS
12h 55m
1 stop
Multiple Airlines Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m
1 stop
$504Multiple Airlines
Mon, Feb 2 - Tue, Feb 17
Icelandair Logo
4:40 pm - 1:50 pm
DEN
-
LIS
14h 10m
1 stop
Icelandair Logo
10:20 pm - 12:25 pm
LIS
-
DEN
21h 05m
1 stop
$513Icelandair
Wed, May 6 - Thu, May 21

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

British Airways flights from Denver to Lisbon

Our best British Airways deals on Denver to Lisbon flight tickets
British Airways
Jan 21
DEN3:00 pmDenver Intl
19h 40m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Jan 28
LIS10:40 amLisbon Humberto Delgado
19h 36m
2 stops
DEN11:16 pmDenver Intl
$534
British Airways
Apr 14
DEN2:39 pmDenver Intl
17h 56m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Apr 24
LIS11:05 amLisbon Humberto Delgado
19h 54m
2 stops
DEN11:59 pmDenver Intl
$547
British Airways
Feb 22
DEN5:25 pmDenver Intl
33h 25m
1 stop
LIS9:50 amLisbon Humberto Delgado
Mar 2
LIS3:50 pmLisbon Humberto Delgado
30h 40m
1 stop
DEN3:30 pmDenver Intl
$549

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 January 14, 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

Wed 2/18

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Thu 2/26

9:20 pm-6:05 pm

1 stop27h 45m

$437

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 2/21

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 3/8

9:20 pm-7:05 pm

1 stop27h 45m

$443

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/11

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Thu 2/19

9:20 pm-6:05 pm

1 stop27h 45m

$455

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/18

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 2/22

9:20 pm-6:05 pm

1 stop27h 45m

$464

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 2/21

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Thu 2/26

9:20 pm-6:05 pm

1 stop27h 45m

$477

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/4

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 4/12

10:25 pm-7:00 pm

1 stop27h 35m

$482

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/25

5:45 pm-2:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-6:03 pm

2 stops20h 03m

$488

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/25

5:45 pm-2:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-4:00 pm

1 stop18h 00m

$497

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 2/2

1:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 2/17

5:00 am-4:00 pm

1 stop18h 00m

$504

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 5/6

4:40 pm-1:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Thu 5/21

10:20 pm-12:25 pm

1 stop21h 05m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $556Free CancellationRating
6.7
7,671 reviews
Search British Airways flights
LufthansaPriceFrom $561Free CancellationRating
6.8
7,711 reviews
Search Lufthansa flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,040 reviews
Search Delta flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $588Free CancellationRating
7.3
4,167 reviews
Search Turkish Airlines flights
KLMPriceFrom $599Free CancellationRating
7.7
1,437 reviews
Search KLM flights
Virgin AtlanticPriceFrom $603Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $625Free CancellationRating
7.1
10,619 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.

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