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Cheap flights from Denver to Lisbon from $259

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 5/5. 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.
Multiple Airlines Logo
9:59 am - 8:10 am
DEN
-
LIS
15h 11m1 stop
Multiple Airlines Logo
5:00 am - 7:26 pm
LIS
-
DEN
21h 26m2 stops
$503Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Lufthansa Logo
11:30 am - 10:15 am
DEN
-
LIS
15h 45m1 stop
Lufthansa Logo
5:00 am - 1:40 pm
LIS
-
DEN
15h 40m1 stop
$506Lufthansa
Tue, Feb 24 - Thu, Mar 5
Multiple Airlines Logo
1:30 pm - 2:35 pm
DEN
-
LIS
18h 05m2 stops
Multiple Airlines Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m1 stop
$508Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
9:59 am - 8:10 am
DEN
-
LIS
15h 11m1 stop
Multiple Airlines Logo
5:00 am - 1:40 pm
LIS
-
DEN
15h 40m1 stop
$513Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Lufthansa Logo
4:20 pm - 3:15 pm
DEN
-
LIS
15h 55m1 stop
Lufthansa Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m1 stop
$514Lufthansa
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
11:15 am - 11:45 am
DEN
-
LIS
17h 30m2 stops
Multiple Airlines Logo
5:00 am - 1:40 pm
LIS
-
DEN
15h 40m1 stop
$517Multiple Airlines
Wed, Feb 18 - Thu, Feb 26
Icelandair Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m1 stop
Icelandair Logo
9:20 pm - 6:05 pm
LIS
-
DEN
27h 45m1 stop
$521Icelandair
Wed, Feb 18 - Thu, Feb 26
Multiple Airlines Logo
11:15 am - 9:20 am
DEN
-
LIS
15h 05m1 stop
Multiple Airlines Logo
5:00 am - 5:00 pm
LIS
-
DEN
18h 00m1 stop
$532Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Lufthansa Logo
4:20 pm - 3:15 pm
DEN
-
LIS
15h 55m1 stop
Lufthansa Logo
6:30 pm - 4:00 pm
LIS
-
DEN
28h 30m1 stop
$534Lufthansa
Mon, Feb 9 - Mon, Feb 16
Brussels Airlines Logo
11:15 am - 12:50 pm
DEN
-
LIS
18h 35m2 stops
Brussels Airlines Logo
10:15 am - 5:58 pm
LIS
-
DEN
14h 43m1 stop
$535Brussels Airlines
Wed, Jan 14 - Wed, Jan 21

Brussels Airlines flights from Denver to Lisbon

Our best Brussels Airlines deals on Denver to Lisbon flight tickets
Brussels Airlines
Jan 14
DEN5:35 pmDenver Intl
36h 15m
2 stops
LIS12:50 pmLisbon Humberto Delgado
Jan 21
LIS10:15 amLisbon Humberto Delgado
14h 43m
1 stop
DEN5:58 pmDenver Intl
$535
Find similar
Brussels Airlines
Feb 25
DEN10:20 amDenver Intl
14h 50m
1 stop
LIS8:10 amLisbon Humberto Delgado
Mar 6
LIS10:15 amLisbon Humberto Delgado
14h 53m
1 stop
DEN6:08 pmDenver Intl
$545
Find similar

Air Canada flights from Denver to Lisbon

Our best Air Canada deals on Denver to Lisbon flight tickets
Air Canada
Feb 18
DEN7:45 amDenver Intl
18h 35m
2 stops
LIS9:20 amLisbon Humberto Delgado
Feb 25
LIS11:20 amLisbon Humberto Delgado
37h 45m
2 stops
DEN6:05 pmDenver Intl
$556
Find similar
Air Canada
Feb 24
DEN8:05 amDenver Intl
18h 15m
2 stops
LIS9:20 amLisbon Humberto Delgado
Mar 5
LIS5:00 amLisbon Humberto Delgado
18h 40m
2 stops
DEN4:40 pmDenver Intl
$559
Find similar
Air Canada
Mar 22
DEN5:30 pmDenver Intl
33h 50m
1 stop
LIS9:20 amLisbon Humberto Delgado
Apr 1
LIS7:25 amLisbon Humberto Delgado
33h 50m
2 stops
DEN10:15 amDenver Intl
$563
Find similar

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 December 28, 2025.
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

Sun 1/11

9:59 am-8:10 am

1 stop15h 11m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-7:26 pm

2 stops21h 26m

$503

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/24

11:30 am-10:15 am

1 stop15h 45m

Lisbon Humberto Delgado

Thu 3/5

5:00 am-1:40 pm

1 stop15h 40m

$506

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/10

1:30 pm-2:35 pm

2 stops18h 05m

Lisbon Humberto Delgado

Tue 2/17

5:00 am-4:00 pm

1 stop18h 00m

$508

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

9:59 am-8:10 am

1 stop15h 11m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-1:40 pm

1 stop15h 40m

$513

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/10

4:20 pm-3:15 pm

1 stop15h 55m

Lisbon Humberto Delgado

Tue 2/17

5:00 am-4:00 pm

1 stop18h 00m

$514

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/18

11:15 am-11:45 am

2 stops17h 30m

Lisbon Humberto Delgado

Thu 2/26

5:00 am-1:40 pm

1 stop15h 40m

$517

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

$521

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/3

11:15 am-9:20 am

1 stop15h 05m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-5:00 pm

1 stop18h 00m

$532

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 2/9

4:20 pm-3:15 pm

1 stop15h 55m

Lisbon Humberto Delgado

Mon 2/16

6:30 pm-4:00 pm

1 stop28h 30m

$534

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 1/14

11:15 am-12:50 pm

2 stops18h 35m

Lisbon Humberto Delgado

Wed 1/21

10:15 am-5:58 pm

1 stop14h 43m

$535

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 typical price of a round-trip flight between Denver and Lisbon?

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 February is also very affordable. Most momondo users find prices during this month for around $707.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $995. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,110 on average. Flights to Lisbon from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $935 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 $823 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of December 2025, prices for Denver to Lisbon flights are approximately 36% more expensive 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

13h 15m

Direct flights

None
The fastest flight from Denver to Lisbon takes 13h 15m
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 13h 15m, 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
7.0
592 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom $539Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $551Free CancellationRating
7.9
8,016 reviews
Search Delta flights
British AirwaysPriceFrom $556Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,659 reviews
Search Lufthansa flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,515 reviews
Search Air France flights
KLMPriceFrom $575Free CancellationRating
7.7
1,436 reviews
Search KLM flights
Turkish AirlinesPriceFrom $586Free CancellationRating
7.3
4,128 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
American AirlinesPriceFrom $594Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights

Traveling to a place near Lisbon?

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