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Cheap flights from Denver to Lisbon from $369

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 10/2. 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.

Find the cheapest flights from Denver to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:35 pm - 3:40 pm
DEN
-
LIS
14h 05m
1 stop
British Airways Logo
11:05 am - 11:03 pm
LIS
-
DEN
18h 58m
1 stop
$774British Airways
Wed, Oct 14 - Wed, Nov 4
Multiple Airlines Logo
6:35 pm - 3:40 pm
DEN
-
LIS
14h 05m
1 stop
Multiple Airlines Logo
6:30 am - 8:13 pm
LIS
-
DEN
20h 43m
2 stops
$783Multiple Airlines
Wed, Oct 14 - Wed, Nov 4
Turkish Airlines Logo
8:25 pm - 11:20 pm
DEN
-
LIS
19h 55m
1 stop
Turkish Airlines Logo
10:55 am - 6:25 pm
LIS
-
DEN
38h 30m
1 stop
$789Turkish Airlines
Sat, Sep 19 - Wed, Sep 30
Delta Logo
12:20 pm - 2:55 pm
DEN
-
LIS
19h 35m
2 stops
Delta Logo
11:25 am - 10:59 pm
LIS
-
DEN
18h 34m
2 stops
$791Delta
Wed, Oct 14 - Wed, Nov 4
Turkish Airlines Logo
8:25 pm - 11:20 pm
DEN
-
LIS
19h 55m
1 stop
Turkish Airlines Logo
10:55 am - 6:25 pm
LIS
-
DEN
38h 30m
1 stop
$814Turkish Airlines
Tue, Sep 15 - Wed, Sep 30
Multiple Airlines Logo
6:35 pm - 3:40 pm
DEN
-
LIS
14h 05m
1 stop
Multiple Airlines Logo
6:30 am - 8:13 pm
LIS
-
DEN
20h 43m
2 stops
$815Multiple Airlines
Wed, Oct 14 - Wed, Nov 4
British Airways Logo
6:40 pm - 3:40 pm
DEN
-
LIS
14h 00m
1 stop
British Airways Logo
11:05 am - 11:03 pm
LIS
-
DEN
18h 58m
1 stop
$818British Airways
Wed, Sep 23 - Thu, Nov 19
American Airlines Logo
6:35 pm - 11:15 pm
DEN
-
LIS
21h 40m
1 stop
American Airlines Logo
11:05 am - 11:01 pm
LIS
-
DEN
18h 56m
2 stops
$819American Airlines
Wed, Oct 14 - Wed, Nov 4
Turkish Airlines Logo
8:25 pm - 11:20 pm
DEN
-
LIS
19h 55m
1 stop
Turkish Airlines Logo
4:45 pm - 6:25 pm
LIS
-
DEN
32h 40m
1 stop
$824Turkish Airlines
Tue, Oct 13 - Fri, Oct 23
Turkish Airlines Logo
8:25 pm - 3:35 pm
DEN
-
LIS
36h 10m
1 stop
Turkish Airlines Logo
4:45 pm - 6:25 pm
LIS
-
DEN
32h 40m
1 stop
$825Turkish Airlines
Tue, Sep 22 - Wed, Sep 30

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Turkish Airlines flights from Denver to Lisbon

Our best Turkish Airlines deals on Denver to Lisbon flight tickets
Turkish Airlines
Sep 15
DEN8:25 pmDenver Intl
36h 10m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Sep 30
LIS4:45 pmLisbon Humberto Delgado
32h 40m
1 stop
DEN6:25 pmDenver Intl
$789
Turkish Airlines
Sep 15
DEN8:25 pmDenver Intl
19h 55m
1 stop
LIS11:20 pmLisbon Humberto Delgado
Sep 30
LIS10:55 amLisbon Humberto Delgado
38h 30m
1 stop
DEN6:25 pmDenver Intl
$814
Turkish Airlines
Oct 13
DEN8:25 pmDenver Intl
19h 55m
1 stop
LIS11:20 pmLisbon Humberto Delgado
Oct 23
LIS4:45 pmLisbon Humberto Delgado
32h 40m
1 stop
DEN6:25 pmDenver Intl
$824

Delta flights from Denver to Lisbon

Our best Delta deals on Denver to Lisbon flight tickets
Delta
May 6
DEN10:43 amDenver Intl
17h 32m
2 stops
LIS11:15 amLisbon Humberto Delgado
May 21
LIS5:00 amLisbon Humberto Delgado
22h 01m
2 stops
DEN8:01 pmDenver Intl
$835
Delta
Apr 28
DEN12:44 pmDenver Intl
12h 16m
1 stop
LIS8:00 amLisbon Humberto Delgado
May 3
LIS5:00 amLisbon Humberto Delgado
23h 27m
2 stops
DEN9:27 pmDenver Intl
$836
Delta
May 5
DEN11:45 amDenver Intl
16h 00m
1 stop
LIS10:45 amLisbon Humberto Delgado
May 14
LIS5:35 amLisbon Humberto Delgado
20h 14m
2 stops
DEN6:49 pmDenver Intl
$838

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 April 26, 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

Cheapest round-trip

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/14

6:35 pm-3:40 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-11:03 pm

1 stop18h 58m

$774

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/14

6:35 pm-3:40 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 11/4

6:30 am-8:13 pm

2 stops20h 43m

$783

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 9/19

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Wed 9/30

10:55 am-6:25 pm

1 stop38h 30m

$789

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/14

12:20 pm-2:55 pm

2 stops19h 35m

Lisbon Humberto Delgado

Wed 11/4

11:25 am-10:59 pm

2 stops18h 34m

$791

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/15

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Wed 9/30

10:55 am-6:25 pm

1 stop38h 30m

$814

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/14

6:35 pm-3:40 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 11/4

6:30 am-8:13 pm

2 stops20h 43m

$815
Quickest round-trip

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 9/23

6:40 pm-3:40 pm

1 stop14h 00m

Lisbon Humberto Delgado

Thu 11/19

11:05 am-11:03 pm

1 stop18h 58m

$818

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/14

6:35 pm-11:15 pm

1 stop21h 40m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-11:01 pm

2 stops18h 56m

$819

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 10/13

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Fri 10/23

4:45 pm-6:25 pm

1 stop32h 40m

$824

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/22

8:25 pm-3:35 pm

1 stop36h 10m

Lisbon Humberto Delgado

Wed 9/30

4:45 pm-6:25 pm

1 stop32h 40m

$825

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, January 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 $626. If you are unable to visit Lisbon during the month of January, then departing from Denver during the month February is also very affordable. Most momondo users find prices during this month for around $630.

How far in advance should I book a flight from Denver 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 $902 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 $766 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of April 2026, prices for Denver to Lisbon flights are approximately 17% 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

14h 35m

Direct flights

None
The fastest flight from Denver to Lisbon takes 14h 35m
There are no direct flights from Denver to Lisbon. There are no popular flight routes from Denver to Lisbon.
Search flight deals

Frequently asked questions about flying from Denver to Lisbon

  • 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 14h 35m, 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 $410Free CancellationRating
7.0
641 reviews
Search Icelandair flights
LufthansaPriceFrom $559Free CancellationRating
6.8
7,950 reviews
Search Lufthansa flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,458 reviews
Search Delta flights
United AirlinesPriceFrom $577Free CancellationRating
7.4
9,655 reviews
Search United Airlines flights
Air CanadaPriceFrom $595Free CancellationRating
7.1
10,969 reviews
Search Air Canada flights
KLMPriceFrom $599Free CancellationRating
7.8
1,508 reviews
Search KLM flights
Virgin AtlanticPriceFrom $603Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $606Free CancellationRating
6.7
7,915 reviews
Search British Airways flights
American AirlinesPriceFrom $630Free CancellationRating
7.1
11,677 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $640Free CancellationRating
7.4
4,330 reviews
Search Turkish 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
Evora
Oeiras
Leiria
Sesimbra
Figueira da Foz
Zambujeira do Mar
Óbidos
Batalha
Tomar
Comporta
Torres Vedras
Almada
Sines

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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