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Flights from Denver to Lisbon

Find cheap airlines flights from Denver to Lisbon

Choose from 2 carriers that fly from Denver to Lisbon, including TAP Air Portugal, Lufthansa, Enjoy the cheapest tickets on this route with Frontier Airlines.
TAP Air Portugal logo TAP Air Portugal Lufthansa logo Lufthansa

Find flight deals from Denver to Lisbon for the next 3 months. Book one way flights from $313 or round trip flights from $539.

      • DEN 10:05 AM
        15h 5m
        1 stop
        LIS 8:10 AM
        Denver - Lisbon | Wed, Dec 10 | Air Canada
        LIS 11:00 AM
        30h 23m
        1 stop
        DEN 10:23 AM
        Lisbon - Denver | Wed, Dec 17 | Air Canada
        $539 $741
        27% OFF
        27% OFF
        $741 $539
      • DEN 1:25 PM
        12h 55m
        1 stop
        LIS 9:20 AM
        Denver - Lisbon | Mon, Jan 12 | Air Canada
        LIS 2:10 PM
        31h 25m
        1 stop
        DEN 2:35 PM
        Lisbon - Denver | Mon, Jan 19 | Lufthansa
        $545 $741
        26% OFF
        26% OFF
        $741 $545
      • DEN 7:46 AM
        17h 24m
        1 stop
        LIS 8:10 AM
        Denver - Lisbon | Wed, Dec 10 | United Airlines
        LIS 5:00 AM
        18h
        1 stop
        DEN 4:00 PM
        Lisbon - Denver | Wed, Dec 17 | United Airlines
        $546 $741
        26% OFF
        26% OFF
        $741 $546
      • DEN 5:56 PM
        33h 19m
        1 stop
        LIS 10:15 AM
        Denver - Lisbon | Mon, Dec 1 | United Airlines
        LIS 2:10 PM
        31h 25m
        1 stop
        DEN 2:35 PM
        Lisbon - Denver | Mon, Dec 8 | Lufthansa
        $563
        24% OFF
        $741 $563
      • DEN 4:20 PM
        14h
        1 stop
        LIS 1:20 PM
        Denver - Lisbon | Mon, Jan 12 | Lufthansa
        LIS 2:10 PM
        31h 25m
        1 stop
        DEN 2:35 PM
        Lisbon - Denver | Mon, Jan 19 | Lufthansa
        $565
        24% OFF
        $741 $565
      • DEN 11:36 AM
        13h 24m
        1 stop
        LIS 8:00 AM
        Denver - Lisbon | Wed, Dec 10 | Delta Air Lines
        LIS 10:00 AM
        16h 1m
        1 stop
        DEN 7:01 PM
        Lisbon - Denver | Wed, Dec 17 | Virgin Atlantic
        $569
        23% OFF
        $741 $569
      • DEN 4:20 PM
        24h 10m
        1 stop
        LIS 11:30 PM
        Denver - Lisbon | Mon, Dec 1 | Lufthansa
        LIS 2:10 PM
        31h 25m
        1 stop
        DEN 2:35 PM
        Lisbon - Denver | Mon, Dec 8 | Lufthansa
        $573
        23% OFF
        $741 $573
      • DEN 11:36 AM
        13h 24m
        1 stop
        LIS 8:00 AM
        Denver - Lisbon | Wed, Dec 10 | Virgin Atlantic
        LIS 10:00 AM
        17h 37m
        1 stop
        DEN 8:37 PM
        Lisbon - Denver | Wed, Dec 17 | Virgin Atlantic
        $573
        23% OFF
        $741 $573
      • DEN 11:15 AM
        15h 5m
        1 stop
        LIS 9:20 AM
        Denver - Lisbon | Thu, Dec 11 | Air Canada
        LIS 5:00 AM
        18h
        1 stop
        DEN 4:00 PM
        Lisbon - Denver | Wed, Dec 17 | United Airlines
        $586
        21% OFF
        $741 $586
      • DEN 9:45 AM
        17h 30m
        1 stop
        LIS 10:15 AM
        Denver - Lisbon | Thu, Dec 11 | United Airlines
        LIS 5:00 AM
        18h
        1 stop
        DEN 4:00 PM
        Lisbon - Denver | Wed, Dec 17 | United Airlines
        $593
        20% OFF
        $741 $593
      • DEN 1:00 PM
        17h 25m
        1 stop
        LIS Invalid Date
        Denver - Lisbon | Sat, Nov 15 | Normal Airline
        LIS 3:00 PM
        6h
        Nonstop
        DEN 4:00 PM
        Lisbon - Denver | Mon, Nov 17 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Denver to Lisbon

The distance between Denver and Lisbon is about 7,772.16 km. The most popular month to Lisbon is July. The off-season for travel is October.

Cheapest one-way flight price$313
Cheapest round-trip ticket price$539
Off-season for travelOctober
Peak season for travelJuly
Flight distance7,772.16 km
Popular airlineTAP Air Portugal

When is the cheapest time to fly from Denver to Lisbon?

The cheapest time for Denver to Lisbon flights: Jan 11 to Jan 18 — one way flight prices from $262.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Denver to Lisbon?

    At the moment, you can catch a nonstop flight from Denver to Lisbon with the following airlines, including: TAP Air Portugal Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Lisbon is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Denver to Lisbon is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Denver to Lisbon on November 13, 2025 with Frontier Airlines, with prices starting at $257.
  • You can land at any one of the following hubs in Lisbon, with Denver International Airport to Humberto Delgado Airport (DEN-LIS) is by far the most common option on this route: Humberto Delgado Airport (LIS).
  • The time difference between Lisbon and Denver is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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