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Cheap flights from Portugal 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 Portugal 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

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Find the cheapest flights from Portugal to Denver

Recent round-trip flight deals from Portugal to Denver

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
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 - 9:16 pm
LIS
-
DEN
17h 11m2 stops
American Airlines Logo
5:25 pm - 9:45 pm
DEN
-
LIS
21h 20m1 stop
$752American Airlines
Mon, Jan 12 - Tue, Jan 27
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
Lufthansa Logo
3:20 pm - 2:35 pm
FNC
-
DEN
30h 15m2 stops
Lufthansa Logo
5:42 pm - 2:30 pm
DEN
-
FNC
37h 48m2 stops
$1,010Lufthansa
Wed, Feb 4 - Wed, Feb 11
Lufthansa Logo
3:20 pm - 1:40 pm
FNC
-
DEN
29h 20m1 stop
Lufthansa Logo
5:42 pm - 2:30 pm
DEN
-
FNC
37h 48m2 stops
$1,193Lufthansa
Wed, Feb 4 - Wed, Feb 11
Air Canada Logo
7:50 am - 6:10 pm
FNC
-
DEN
17h 20m2 stops
Air Canada Logo
9:51 am - 1:50 pm
DEN
-
FNC
20h 59m2 stops
$1,302Air Canada
Sun, Feb 15 - Wed, Feb 18
Air Canada Logo
7:50 am - 6:10 pm
FNC
-
DEN
17h 20m2 stops
Air Canada Logo
1:25 pm - 1:50 pm
DEN
-
FNC
17h 25m2 stops
$1,337Air Canada
Sun, Feb 15 - Wed, Feb 18

British Airways flights from Portugal to Denver

Our best British Airways deals on Portugal 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
Jun 1
LIS7:15 amLisbon Humberto Delgado
20h 09m
2 stops
DEN8:24 pmDenver Intl
Jun 14
DEN6:40 pmDenver Intl
21h 20m
1 stop
LIS11:00 pmLisbon Humberto Delgado
$764
Find similar

Scandinavian Airlines flights from Portugal to Denver

Our best Scandinavian Airlines deals on Portugal to Denver flight tickets
Scandinavian Airlines
Jan 21
LIS7:05 amLisbon Humberto Delgado
23h 06m
2 stops
DEN11:11 pmDenver Intl
Jan 28
DEN1:10 pmDenver Intl
43h 40m
2 stops
LIS3:50 pmLisbon Humberto Delgado
$729
Find similar
Scandinavian Airlines
Jan 12
LIS6:45 amLisbon Humberto Delgado
23h 01m
2 stops
DEN10:46 pmDenver Intl
Jan 27
DEN6:41 amDenver Intl
26h 24m
3 stops
LIS4:05 pmLisbon Humberto Delgado
$967
Find similar
Scandinavian Airlines
Jun 1
LIS7:15 amLisbon Humberto Delgado
22h 43m
2 stops
DEN10:58 pmDenver Intl
Jun 14
DEN6:30 amDenver Intl
26h 15m
3 stops
LIS3:45 pmLisbon Humberto Delgado
$1,269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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 24, 2025.
Use the filters below to find and compare flights from Portugal 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

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-9:16 pm

2 stops17h 11m

Denver Intl

Tue 1/27

5:25 pm-9:45 pm

1 stop21h 20m

$752

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

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Wed 2/4

3:20 pm-2:35 pm

2 stops30h 15m

Denver Intl

Wed 2/11

5:42 pm-2:30 pm

2 stops37h 48m

$1,010

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Wed 2/4

3:20 pm-1:40 pm

1 stop29h 20m

Denver Intl

Wed 2/11

5:42 pm-2:30 pm

2 stops37h 48m

$1,193

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Sun 2/15

7:50 am-6:10 pm

2 stops17h 20m

Denver Intl

Wed 2/18

9:51 am-1:50 pm

2 stops20h 59m

$1,302

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Sun 2/15

7:50 am-6:10 pm

2 stops17h 20m

Denver Intl

Wed 2/18

1:25 pm-1:50 pm

2 stops17h 25m

$1,337

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 Denver from

How to get the cheapest flight ticket from Portugal 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 Portugal 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 Portugal, 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.

Can stopping save me money on Portugal to Denver flights?

You could potentially save up to 1% on your flight if you consider stops on a Portugal to Denver flight.

Cheap Portugal to Denver flight deals and tips

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

Fastest flight time

15h 30m

Direct flights

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

  • When did momondo last update prices for flights from Portugal to Denver Intl Airport?

    Prices for flights from Portugal to Denver Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portugal to Denver Intl Airport?

  • How old do you have to be to fly from Portugal to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Denver Intl Airport.

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

    The required travel and health documents for your Denver Intl 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 Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Denver

Compare and see reviews for airlines that fly from Portugal to Denver with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $704Free CancellationRating
6.7
7,609 reviews
Search British Airways flights
DeltaPriceFrom $758Free CancellationRating
7.9
8,015 reviews
Search Delta flights
United AirlinesPriceFrom $809Free CancellationRating
7.4
9,111 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 Portugal to Denver?

It is quick and easy to find Portugal to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

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

momondo does allow users to show only those flights to Denver from Portugal which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Portugal and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Portugal to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

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