Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lisbon to Denver from $430

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 1/13. 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 Lisbon to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:05 am - 11:11 pm
LIS
-
DEN
23h 06m2 stops
Scandinavian Airlines Logo
1:10 pm - 3:50 pm
DEN
-
LIS
43h 40m2 stops
$729Scandinavian Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
12:35 pm - 8:38 pm
LIS
-
DEN
39h 03m2 stops
Multiple Airlines Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m1 stop
$744Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
10:10 am - 9:04 pm
LIS
-
DEN
17h 54m1 stop
Multiple Airlines Logo
3:40 pm - 8:20 pm
DEN
-
LIS
21h 40m1 stop
$745Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
6:30 am - 8:53 pm
LIS
-
DEN
21h 23m2 stops
American Airlines Logo
3:17 pm - 6:55 pm
DEN
-
LIS
20h 38m2 stops
$750American Airlines
Sat, Jan 31 - Mon, Feb 2
American Airlines Logo
11:05 am - 10:24 pm
LIS
-
DEN
18h 19m1 stop
American Airlines Logo
5:25 pm - 2:45 pm
DEN
-
LIS
14h 20m1 stop
$752American Airlines
Mon, Jan 12 - Tue, Jan 27
Multiple Airlines Logo
10:55 am - 9:11 pm
LIS
-
DEN
17h 16m1 stop
Multiple Airlines Logo
5:25 pm - 9:55 pm
DEN
-
LIS
21h 30m1 stop
$754Multiple Airlines
Thu, Feb 5 - Thu, Feb 19
British Airways Logo
7:00 am - 3:30 pm
LIS
-
DEN
15h 30m1 stop
British Airways Logo
12:34 pm - 12:05 pm
DEN
-
LIS
16h 31m2 stops
$758British Airways
Sat, Jan 31 - Mon, Feb 2
British Airways Logo
7:00 am - 3:30 pm
LIS
-
DEN
15h 30m1 stop
British Airways Logo
12:34 pm - 12:05 pm
DEN
-
LIS
16h 31m2 stops
$760British Airways
Sat, Jan 31 - Mon, Feb 2
Multiple Airlines Logo
11:05 am - 10:24 pm
LIS
-
DEN
18h 19m1 stop
Multiple Airlines Logo
8:44 am - 9:05 am
DEN
-
LIS
17h 21m2 stops
$766Multiple Airlines
Mon, Jan 12 - Tue, Jan 27
American Airlines Logo
11:05 am - 10:24 pm
LIS
-
DEN
18h 19m1 stop
American Airlines Logo
5:25 pm - 2:50 pm
DEN
-
LIS
14h 25m1 stop
$770American Airlines
Fri, Jan 16 - Sat, Jan 31

United Airlines flights from Lisbon to Denver

Our best United Airlines deals on Lisbon to Denver flight tickets
United Airlines
Jan 12
LIS5:00 amLisbon Humberto Delgado
15h 40m
1 stop
DEN1:40 pmDenver Intl
Jan 27
DEN1:31 pmDenver Intl
11h 39m
1 stop
LIS8:10 amLisbon Humberto Delgado
$907
Find similar
United Airlines
Dec 29
LIS11:55 amLisbon Humberto Delgado
14h 33m
1 stop
DEN7:28 pmDenver Intl
Mar 5
DEN1:26 pmDenver Intl
13h 49m
1 stop
LIS10:15 amLisbon Humberto Delgado
$923
Find similar
United Airlines
Feb 2
LIS10:15 amLisbon Humberto Delgado
18h 44m
2 stops
DEN9:59 pmDenver Intl
Feb 2
DEN11:59 pmDenver Intl
26h 21m
2 stops
LIS9:20 amLisbon Humberto Delgado
$1,512
Find similar

British Airways flights from Lisbon to Denver

Our best British Airways deals on Lisbon to Denver flight tickets
British Airways
Jan 31
LIS7:00 amLisbon Humberto Delgado
15h 30m
1 stop
DEN3:30 pmDenver Intl
Feb 2
DEN12:34 pmDenver Intl
16h 31m
2 stops
LIS12:05 pmLisbon Humberto Delgado
$758
Find similar
British Airways
Jan 31
LIS7:00 amLisbon Humberto Delgado
15h 30m
1 stop
DEN3:30 pmDenver Intl
Feb 2
DEN12:34 pmDenver Intl
16h 31m
2 stops
LIS12:05 pmLisbon Humberto Delgado
$760
Find similar
British Airways
Jan 31
LIS7:00 amLisbon Humberto Delgado
15h 30m
1 stop
DEN3:30 pmDenver Intl
Feb 2
DEN5:25 pmDenver Intl
14h 30m
1 stop
LIS2:55 pmLisbon Humberto Delgado
$776
Find similar

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 December 23, 2025.
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

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 1/21

7:05 am-11:11 pm

2 stops23h 06m

Denver Intl

Wed 1/28

1:10 pm-3:50 pm

2 stops43h 40m

$729

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 1/21

12:35 pm-8:38 pm

2 stops39h 03m

Denver Intl

Wed 1/28

3:40 pm-8:20 pm

1 stop21h 40m

$744

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 1/21

10:10 am-9:04 pm

1 stop17h 54m

Denver Intl

Wed 1/28

3:40 pm-8:20 pm

1 stop21h 40m

$745

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 1/31

6:30 am-8:53 pm

2 stops21h 23m

Denver Intl

Mon 2/2

3:17 pm-6:55 pm

2 stops20h 38m

$750

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 1/12

11:05 am-10:24 pm

1 stop18h 19m

Denver Intl

Tue 1/27

5:25 pm-2:45 pm

1 stop14h 20m

$752

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 2/5

10:55 am-9:11 pm

1 stop17h 16m

Denver Intl

Thu 2/19

5:25 pm-9:55 pm

1 stop21h 30m

$754

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 1/31

7:00 am-3:30 pm

1 stop15h 30m

Denver Intl

Mon 2/2

12:34 pm-12:05 pm

2 stops16h 31m

$758

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 1/31

7:00 am-3:30 pm

1 stop15h 30m

Denver Intl

Mon 2/2

12:34 pm-12:05 pm

2 stops16h 31m

$760

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 1/12

11:05 am-10:24 pm

1 stop18h 19m

Denver Intl

Tue 1/27

8:44 am-9:05 am

2 stops17h 21m

$766

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 1/16

11:05 am-10:24 pm

1 stop18h 19m

Denver Intl

Sat 1/31

5:25 pm-2:50 pm

1 stop14h 25m

$770

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Denver from

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 cheapest month to fly to Denver?

The cheapest month to fly to Denver from Lisbon is in February. Flight prices, which tend to average around $833, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until November to fly from Lisbon, when ticket prices are also cheap, with an average price of $875.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $772. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Friday, with ticket prices averaging around $1,229.

How have Lisbon to Denver flight prices changed over time?

As of December 2025, prices for Lisbon to Denver flights are approximately 8% cheaper 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 30m

Direct flights

None
The fastest flight from Lisbon to Denver takes 15h 30m
There are no direct flights from Lisbon to Denver. There are no popular flight routes from Lisbon to Denver.
Search flight deals

  • 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 30m 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
British AirwaysPriceFrom $704Free CancellationRating
6.7
7,605 reviews
Search British Airways flights
DeltaPriceFrom $758Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $809Free CancellationRating
7.4
9,103 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
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Silverthorne
Centennial
Grand Lake

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.

An easier way to manage your Denver 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
Thu 1/22
Thu 1/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States