Are direct flights from Denver to Lisbon always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights may sometimes be more affordable, especially for longer distances. Consider your budget and time constraints when deciding between direct and connecting options.

Can flexible travel dates help on Denver to Lisbon flights?

Yes, being flexible with your travel dates can often lead to finding better flight deals. Prices can vary significantly depending on the day of the week or the time of year. Adjusting your departure or return by a few days may result in noticeable savings.

What extra costs should I check before booking Denver to Lisbon flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these fees beforehand can help you budget accurately.

Flights From Denver

To Lisbon

Cheap Flights from Denver to Lisbon

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon

Prices updated 7 days ago

482 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Denver to Lisbon

Explore current cheapest deals departing from Denver to Lisbon

2026-12-06 – 2026-12-12
DEN - Lisbon
90% AI deal score
$828
$595
Round trip
2027-01-13 – 2027-01-19
DEN - Lisbon
74% AI deal score
$703
$614
Round trip
2026-11-11 – 2026-11-17
DEN - Lisbon
84% AI deal score
$777
$621
Round trip
2026-12-06 – 2026-12-13
DEN - Lisbon
89% AI deal score
$826
$625
Round trip
2026-12-04 – 2026-12-13
DEN - Lisbon
84% AI deal score
$802
$626
Round trip
2026-11-09 – 2026-11-22
DEN - Lisbon
81% AI deal score
$729
$631
Round trip
2026-11-16 – 2026-11-24
DEN - Lisbon
82% AI deal score
$735
$632
Round trip
2026-11-09 – 2026-11-24
DEN - Lisbon
81% AI deal score
$722
$632
Round trip
2026-11-09 – 2026-11-17
DEN - Lisbon
82% AI deal score
$747
$632
Round trip
2026-11-29 – 2026-12-05
DEN - Lisbon
82% AI deal score
$746
$638
Round trip

Denver to Lisbon: Overview

Insights for flights from Denver to Lisbon

A typical journey from Denver to Lisbon takes about 17h 54m, including connections. Given that most itineraries connect at least once, this duration accounts for the layovers involved in traveling this long-haul route.

When planning your trip, you'll find that the cheapest months to fly from Denver to Lisbon are June, with a median fare of $890, followed by February at $977, and January at $1025. These months offer more budget-friendly options compared to other times of the year.

Fares for flights from Denver to Lisbon typically range from $929–$1366, with a median of $1168. Right now, current fares are near the typical level for this route. New deals for this long-haul journey appear almost daily, suggesting frequent opportunities to find competitive prices.

Flights from Denver to Lisbon cover a substantial distance of 7773 km, classifying this as a long-haul route. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, there are no direct flights from Denver to Lisbon available in recent observations.

How much is a round trip from Denver to Lisbon

Regular price: $653 - $1,629

Prices for flights from Denver to Lisbon are currently below the regular range.

Regular prices for flights from Denver to Lisbon typically range from $653 to $1629. The current lowest deal is $547 with Air Canada, for travel from Dec 4-Dec 13.

now $547

Low $653

High $1,629

The cheapest time to fly from Denver to Lisbon

The cheapest month to fly from Denver to Lisbon is June, with a median price of $890. The most expensive month is July, with a median price of $1779. Prices are generally lower from January to November.

June

Cheapest

Flights from $890

July

Most Expensive

Flights from $1,779

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to Lisbon

Air Canada

Icelandair

Frontier Airlines

TAP Portugal

Last-minute flights going from Denver to Lisbon

Mon, Nov 2

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

Lufthansa

$739

$770

One-way

Mon, Nov 2

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

Lufthansa

$731

$829

One-way

Wed, Nov 4

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

Air Canada

$716

$837

One-way

Wed, Nov 4

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

American Airlines

$803

$1,199

One-way

Fri, Nov 6

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

Icelandair

$726

$736

One-way

Tue, Nov 10

⌛ Last-Minute

DEN - Lisbon

Denver (DEN) - Lisbon (LIS)

Lufthansa

$759

$827

One-way

Biggest price drops on these dates for flights from Denver to Lisbon

7 nights

Dec 5 - Dec 12

$825 → $635

23%

7 nights

Jan 22 - Jan 29

$724 → $551

24%

7 nights

Nov 11 - Nov 18

$749 → $576

23%

4 nights

Dec 2 - Dec 6

$866 → $715

17%

Popular Airports to fly from Denver to Lisbon

Denver - Lisbon route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Denver to Lisbon are near the typical level of $1168.

📅 Best time to fly

Fly in June for the best prices

Historically, June offers the lowest median price at $890 for Denver to Lisbon.

⏱️ Flight duration

Connecting flights average 17h 54m

Flights from Denver to Lisbon typically involve connecting, with a median duration of 17h 54m.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting dominant; 0% of recent deals were for direct flights.

🏆 Airline highlight

Air Canada offers a deal at $547

Air Canada via skyscanner has a deal for $547 from December 4 to December 13.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Denver to Lisbon are frequent, appearing often in the last 30 days.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International is a convenient departure airport for flights from Denver to Lisbon.

📍 ~30 km from city center (reachable by car or train).

💸 Flights from ~$609

Lisbon main airports to arrive at

Lisbon Portela (LIS)

Cheapest

Lisbon Portela Airport is a convenient arrival choice for flights from Denver to Lisbon.

📍 ~6 km from city center

💸 Flights from ~$568

Airports nearby Lisbon used as alternative

Porto (OPO)

Cheapest

Porto Airport is a major international hub with extensive connectivity, useful if flights to Lisbon are unavailable or overpriced.

📍 ~275 km from Lisbon (reachable by high-speed rail and motorway, ~3 hours travel time)

💸 Flights from ~$706

Business & First Class Flight Deals to Lisbon

$2,197

Save $2,190

Icelandair

Business Class

Frequently Asked Questions About Flights to Lisbon

To find potentially cheaper flights, consider being flexible with your travel dates and times. Using flight comparison websites can help you compare prices across various airlines and booking platforms. Setting up price alerts may also notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially better prices. However, last-minute deals can sometimes appear, though they are less common. Monitoring price trends for your specific route over several weeks may help you identify optimal booking times.

Comparing nearby airports can sometimes uncover different flight options or prices. While it may add to your ground transportation, the potential savings could be worthwhile. Always factor in the additional travel time and cost to and from alternative airports.

Denver to Lisbon: Overview

Insights for flights from Denver to Lisbon

How much is a round trip from Denver to Lisbon

Regular price: $653 - $1,629

Prices for flights from Denver to Lisbon are currently below the regular range.

Regular prices for flights from Denver to Lisbon typically range from $653 to $1629. The current lowest deal is $547 with Air Canada, for travel from Dec 4-Dec 13.

now $547

Low $653

High $1,629

The cheapest time to fly from Denver to Lisbon

June

Cheapest

Flights from $890

July

Most Expensive

Flights from $1,779

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec