How does KAYAK find such low prices on flights from Colorado to Lisbon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Lisbon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Lisbon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to Lisbon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Lisbon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$298 CHEAP FLIGHTS from Colorado to Lisbon

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Cheap Flights from Colorado to Lisbon

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Colorado to Lisbon

Sat, Oct 31 - Sun, Nov 15

4:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

$520Icelandair

Mon, Nov 2 - Sun, Nov 15

3:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

$525Icelandair

Mon, Nov 9 - Tue, Nov 24

11:25 am - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 15m1 stop Montreal Pierre Elliott Trudeau Intl

12:50 pm - 8:27 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

14h 37m1 stop Montreal Pierre Elliott Trudeau Intl

$564Air Canada

Tue, Mar 16 - Tue, Mar 23

6:01 pm - 5:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 44m1 stop London Heathrow

4:10 pm - 7:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

33h 40m2 stops Helsinki-Vantaa Dallas/Fort Worth

$568Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

11:25 am - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 15m1 stop Montreal Pierre Elliott Trudeau Intl

12:50 pm - 8:27 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

14h 37m1 stop Montreal Pierre Elliott Trudeau Intl

$570Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

11:25 am - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 15m1 stop Montreal Pierre Elliott Trudeau Intl

12:50 pm - 2:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

33h 00m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$574Air Canada

Mon, Nov 9 - Tue, Nov 17

2:10 pm - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 10m1 stop Washington, D.C. Dulles Intl

12:50 pm - 10:26 amLIS Lisbon Humberto Delgado-DEN Denver Intl

28h 36m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$576United Airlines

Sun, Feb 7 - Wed, Feb 17

5:01 pm - 2:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 54m1 stop London Heathrow

11:05 am - 9:33 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 28m1 stop Philadelphia

$576British Airways

Wed, Feb 10 - Thu, Feb 18

5:01 pm - 9:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 54m1 stop London Heathrow

10:55 am - 9:33 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 38m1 stop Philadelphia

$576British Airways

Mon, Nov 9 - Tue, Nov 17

11:59 pm - 8:10 amDEN Denver Intl-LIS Lisbon Humberto Delgado

25h 11m1 stop Newark

11:20 am - 10:35 amLIS Lisbon Humberto Delgado-DEN Denver Intl

30h 15m1 stop Toronto Pearson Intl

$583United Airlines

Recent last minute flight deals from Colorado to Lisbon

Wed, Sep 23 - Thu, Nov 19

6:40 pm - 11:15 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 35m1 stop London Heathrow

8:20 am - 11:04 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

21h 44m2 stops Madrid Barajas Chicago O'Hare Intl

$663Multiple Airlines

Tue, Sep 22 - Thu, Nov 19

6:40 pm - 11:00 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 20m1 stop London Heathrow

8:20 am - 11:04 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

21h 44m2 stops Madrid Barajas Chicago O'Hare Intl

$663Multiple Airlines

Tue, Sep 22 - Thu, Nov 19

6:40 pm - 11:00 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 20m1 stop London Heathrow

7:00 am - 3:10 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 10m1 stop London Heathrow

$672British Airways

Wed, Sep 23 - Thu, Nov 19

6:40 pm - 11:15 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 35m1 stop London Heathrow

7:00 am - 3:10 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 10m1 stop London Heathrow

$672British Airways

Tue, Sep 22 - Thu, Nov 19

6:35 am - 8:50 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

10:00 am - 11:15 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 15m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$699Delta

Tue, Sep 22 - Thu, Nov 19

6:35 am - 8:50 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

10:00 am - 11:59 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 59m2 stops New York John F Kennedy Intl Los Angeles

$699Delta

Wed, Sep 23 - Tue, Sep 29

3:40 pm - 10:30 amDEN Denver Intl-LIS Lisbon Humberto Delgado

11h 50m1 stop Washington, D.C. Dulles Intl

12:20 pm - 7:30 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

14h 10m1 stop Washington, D.C. Dulles Intl

$976United Airlines

Tue, Sep 22 - Thu, Nov 19

1:42 pm - 8:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

11h 38m1 stop Newark

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$1,008United Airlines

Mon, Sep 21 - Mon, Sep 28

3:58 pm - 2:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

15h 57m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:35 am - 3:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 05m1 stop Paris Charles de Gaulle

$1,096Air France

Sat, Sep 19 - Sat, Oct 3

5:40 pm - 5:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 10m1 stop Paris Charles de Gaulle

5:35 am - 3:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 05m1 stop Paris Charles de Gaulle

$1,151Air France

Useful Info

Low season	January
High season	July
Cheapest flight	$298

Best time to beat the crowds with an average 33% drop in price.

Most popular time to fly with an average 27% increase in price.

Flight from Denver to Lisbon

How does KAYAK find such low prices on flights from Colorado to Lisbon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Lisbon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Lisbon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to Lisbon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Lisbon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Setúbal

Óbidos

Tomar

Costa da Caparica

Sines

Almada

Torres Vedras

Caldas da Rainha

Colares

Zambujeira do Mar

Beja

Madeira

Batalha

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LIS

$298 Find Cheap Flights from Colorado to Lisbon - Compare and Save

Cheap Flights from Colorado to Lisbon

Recent round-trip flight deals from Colorado to Lisbon

Recent one-way flight deals from Colorado to Lisbon

Recent last minute flight deals from Colorado to Lisbon

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FAQs for booking flights from Colorado to Lisbon

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Complete your trip to Lisbon with a hotel stay or car rental

Information on the airport you'll fly into in Lisbon

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