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Cheap flights from Lisbon to Denver from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Denver departing on 5/6. 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 Lisbon to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
10:15 pm - 6:15 pm
LIS
-
DEN
27h 00m
1 stop
Aer Lingus Logo
8:00 pm - 9:35 pm
DEN
-
LIS
18h 35m
1 stop
$661Aer Lingus
Fri, May 1 - Sat, May 16
United Airlines Logo
5:05 am - 3:40 pm
LIS
-
DEN
17h 35m
1 stop
United Airlines Logo
8:10 am - 10:30 am
DEN
-
LIS
19h 20m
1 stop
$901United Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
7:40 am - 9:40 am
LIS
-
DEN
33h 00m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$902Multiple Airlines
Tue, Apr 28 - Mon, Aug 3
Multiple Airlines Logo
7:40 am - 9:40 am
LIS
-
DEN
33h 00m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$904Multiple Airlines
Tue, Apr 28 - Sun, Aug 2
Multiple Airlines Logo
11:35 am - 8:27 am
LIS
-
DEN
27h 52m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$906Multiple Airlines
Mon, May 4 - Mon, Aug 3
Multiple Airlines Logo
11:35 am - 9:40 am
LIS
-
DEN
29h 05m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$907Multiple Airlines
Thu, Apr 30 - Mon, Aug 3
Multiple Airlines Logo
11:35 am - 9:40 am
LIS
-
DEN
29h 05m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$908Multiple Airlines
Thu, Apr 30 - Sun, Aug 2
United Airlines Logo
5:05 am - 7:40 pm
LIS
-
DEN
21h 35m
2 stops
United Airlines Logo
8:25 pm - 10:45 pm
DEN
-
LIS
19h 20m
1 stop
$910United Airlines
Tue, May 19 - Sun, May 31
Multiple Airlines Logo
11:35 am - 9:40 am
LIS
-
DEN
29h 05m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$915Multiple Airlines
Wed, Apr 29 - Mon, Aug 3
Multiple Airlines Logo
7:40 am - 9:40 am
LIS
-
DEN
33h 00m
2 stops
Multiple Airlines Logo
8:00 pm - 9:45 pm
DEN
-
LIS
18h 45m
1 stop
$916Multiple Airlines
Wed, Apr 29 - Sun, Aug 2

United Airlines flights from Lisbon to Denver

Our best United Airlines deals on Lisbon to Denver flight tickets
United Airlines
Sep 10
LIS5:05 amLisbon Humberto Delgado
17h 35m
1 stop
DEN3:40 pmDenver Intl
Sep 24
DEN8:10 amDenver Intl
19h 20m
1 stop
LIS10:30 amLisbon Humberto Delgado
$901
United Airlines
May 19
LIS5:05 amLisbon Humberto Delgado
21h 35m
2 stops
DEN7:40 pmDenver Intl
May 31
DEN8:25 pmDenver Intl
19h 20m
1 stop
LIS10:45 pmLisbon Humberto Delgado
$910
United Airlines
May 1
LIS10:25 amLisbon Humberto Delgado
14h 40m
1 stop
DEN6:05 pmDenver Intl
May 16
DEN6:00 amDenver Intl
21h 35m
1 stop
LIS10:35 amLisbon Humberto Delgado
$933

Delta flights from Lisbon to Denver

Our best Delta deals on Lisbon to Denver flight tickets
Delta
May 1
LIS5:35 amLisbon Humberto Delgado
23h 54m
2 stops
DEN10:29 pmDenver Intl
May 8
DEN10:48 amDenver Intl
17h 27m
2 stops
LIS11:15 amLisbon Humberto Delgado
$941
Delta
May 1
LIS10:00 amLisbon Humberto Delgado
19h 48m
1 stop
DEN10:48 pmDenver Intl
May 8
DEN3:12 pmDenver Intl
19h 38m
2 stops
LIS5:50 pmLisbon Humberto Delgado
$952
Delta
May 18
LIS5:00 amLisbon Humberto Delgado
22h 15m
2 stops
DEN8:15 pmDenver Intl
May 30
DEN6:30 amDenver Intl
18h 30m
1 stop
LIS8:00 amLisbon Humberto Delgado
$966

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Denver 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 2, 2026.
Use the filters below to find and compare flights from Lisbon to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 5/1

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Sat 5/16

8:00 pm-9:35 pm

1 stop18h 35m

$661
Quickest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 9/10

5:05 am-3:40 pm

1 stop17h 35m

Denver Intl

Thu 9/24

8:10 am-10:30 am

1 stop19h 20m

$901

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 4/28

7:40 am-9:40 am

2 stops33h 00m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$902

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 4/28

7:40 am-9:40 am

2 stops33h 00m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$904

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 5/4

11:35 am-8:27 am

2 stops27h 52m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$906

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 4/30

11:35 am-9:40 am

2 stops29h 05m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$907

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 4/30

11:35 am-9:40 am

2 stops29h 05m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$908

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 5/19

5:05 am-7:40 pm

2 stops21h 35m

Denver Intl

Sun 5/31

8:25 pm-10:45 pm

1 stop19h 20m

$910

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

11:35 am-9:40 am

2 stops29h 05m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$915

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

7:40 am-9:40 am

2 stops33h 00m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$916

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Lisbon to Denver

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 Lisbon and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Lisbon is in November. Flight prices, which tend to average around $875, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until March to fly from Lisbon, when ticket prices are also cheap, with an average price of $880.

Can stopping save me money on Lisbon to Denver flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to Denver flight.

How have Lisbon to Denver flight prices changed over time?

As of April 2026, prices for Lisbon to Denver flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Denver

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

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

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

Fastest flight time

15h 25m

Direct flights

None
The fastest flight from Lisbon to Denver takes 15h 25m
There are no direct flights from Lisbon to Denver. There are no popular flight routes from Lisbon to Denver.
Search flight deals

Frequently asked questions about flying from Lisbon to Denver

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

    A flight from Lisbon Humberto Delgado to Denver Intl will travel around 4847.0 mi. Typically, this will take 15h 25m by plane in normal conditions.

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

    Prices for flights from Lisbon Humberto Delgado Airport to Denver Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Lisbon to Denver

Compare and see reviews for airlines that fly from Lisbon to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $920Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Longmont
Boulder
Greeley
Keystone
Cripple Creek
Lakewood
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
Copper Mountain

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Lisbon to Denver. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Lisbon to Denver flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Denver.

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

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Lisbon and alert you when they change.

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