$358+ Cheap flights from Denver (DEN) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Lisbon
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Best
Last-minute
One-way
Cheapest flights from Denver to LisbonExplore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$548
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
2 stops21h 45m
Thu 11/195:55 am -
2 stops19h 05m
Deal found 10/9![Multiple Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops17h 00m
Sun 11/2210:05 pm -
2 stops26h 55m
Deal found 10/8![Multiple Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:40 pm -
2 stops21h 45m
Thu 12/105:55 am -
2 stops19h 05m
Deal found 10/11![Multiple Airlines logo]()
$573
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:40 pm -
2 stops21h 25m
Mon 11/1610:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:40 pm -
2 stops21h 25m
Sat 12/126:10 am -
2 stops18h 50m
Deal found 10/10![Multiple Airlines logo]()
$616
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
2 stops21h 00m
Thu 11/125:55 am -
2 stops19h 05m
Deal found 10/10![Multiple Airlines logo]()
$644
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
2 stops21h 25m
Sun 11/810:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$689
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:40 pm -
2 stops21h 25m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$695
This oojo deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 10/7![Icelandair logo]()
$706
Best flights from Denver to LisbonDiscover carefully curated flight deals from Denver to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from Denver to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:10 pm -
1 stop13h 10m
Fri 11/206:00 am -
1 stop20h 05m
Deal found 10/11![United Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:36 am -
1 stop14h 24m
Fri 11/205:00 am -
2 stops22h 25m
Deal found 10/11![Delta logo]()
$813
This United deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop21h 05m
Mon 11/92:20 pm -
1 stop31h 10m
Deal found 10/8![Multiple Airlines logo]()
$814
This Turkish Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:30 pm -
1 stop20h 55m
Sun 11/2911:35 am -
1 stop36h 50m
Deal found 10/8![Turkish Airlines logo]()
$1,016
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:57 pm -
2 stops19h 13m
Tue 11/105:00 am -
2 stops25h 15m
Deal found 10/7![Delta logo]()
$817
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1611:20 am -
1 stop14h 20m
Sat 1/235:00 am -
1 stop15h 40m
Deal found 10/7![United Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:30 am -
2 stops17h 55m
Tue 1/195:00 am -
2 stops22h 00m
Deal found 10/8![Delta logo]()
$822
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/163:55 pm -
1 stop12h 10m
Fri 5/145:05 am -
1 stop15h 30m
Deal found 10/10![United Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:07 am -
2 stops18h 13m
Mon 11/95:00 am -
2 stops22h 20m
Deal found 10/12![Delta logo]()
$867
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/148:17 am -
2 stops16h 38m
Wed 5/125:05 am -
1 stop17h 35m
Deal found 10/10![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/186:25 pm -
1 stop14h 25m
Sat 5/157:25 am -
1 stop15h 15m
Deal found 10/9![United Airlines logo]()
$995
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
2 stops19h 00m
Sat 1/910:00 am -
2 stops34h 10m
Deal found 10/9![Delta logo]()
$1,066
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated October 12, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
2 stops21h 00m
Thu 11/125:55 am -
2 stops19h 05m
Deal found 10/10![Multiple Airlines logo]()
$644
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
2 stops21h 25m
Sun 11/810:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$689
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
1 stop14h 10m
Sun 11/82:00 pm -
1 stop35h 00m
Deal found 10/10![Icelandair logo]()
$711
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:40 pm -
2 stops21h 25m
Mon 11/1610:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$598
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:40 pm -
2 stops21h 25m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/10![Multiple Airlines logo]()
$695
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/7![Multiple Airlines logo]()
$548
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
2 stops17h 00m
Sun 11/2210:05 pm -
2 stops26h 55m
Deal found 10/8![Multiple Airlines logo]()
$568
This oojo deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 10/7![Icelandair logo]()
$706
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
2 stops21h 45m
Thu 11/195:55 am -
2 stops19h 05m
Deal found 10/9![Multiple Airlines logo]()
$557
One-way flights from Denver to LisbonSearch for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:40 pm -
2 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$359
This Orbitz deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/91:30 pm -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Air Canada logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:01 pm -
1 stop21h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![British Airways logo]()
$365
This Justfly.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/611:21 am -
2 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$369
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:01 pm -
1 stop36h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![British Airways logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:40 pm -
2 stops37h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$372
This Expedia deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:01 pm -
2 stops23h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Iberia logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:10 pm -
3 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/611:50 pm -
1 stop27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$388
Find flight deals from Denver to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 12, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $548 (Mytrip) |
One-way from | $358 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $944 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Lisbon 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, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from Denver to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/15
4:15 pm-1:30 pm
1 stop14h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$359
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/8
5:01 pm-12:05 pm
1 stop36h 04m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$371
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 2/15
5:01 pm-11:25 pm
2 stops23h 24m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$373
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 3/6
11:50 pm-10:05 am
1 stop27h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$388
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 2/27
5:01 pm-2:55 pm
1 stop14h 54m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$421
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Fri 12/25
7:21 am-10:10 am
2 stops19h 49m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$520
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sun 11/1
4:15 pm-1:30 pm
1 stop14h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$561
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/21
4:12 pm-8:10 am
1 stop32h 58m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$571
Quickest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/7
12:40 pm-9:45 am
1 stop14h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$588
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 11/9
2:10 pm-10:20 am
1 stop13h 10m
Lisbon Humberto Delgado
Fri 11/20
6:00 am-7:05 pm
1 stop20h 05m
$754
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Denver to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Lisbon in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Lisbon flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Denver-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Lisbon flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Denver with our price prediction graph.
DEN-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Lisbon
How far ahead should I book a flight from Denver to Lisbon?
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Denver to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $628). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Denver to Lisbon?
Airfare is below average for this route at the moment.
Denver to Lisbon flights typically cost between $771 and $1,100 in November.The cheapest round-trip price found within the last 5 days was $548 on Multiple Airlines (Nov 9-Nov 23).
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated October 12, 2026.
See what other customers who have flown with Turkish Airlines,United Airlines, andAir Canada from Denver to Lisbon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Comfort
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Related info for your journey
Find useful and relevant information for your journey from Denver to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra
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Top 10 airlines flying from Denver to Lisbon
Discover the top 10 airlines that operate flights from Denver to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$715 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$957 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$691 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$575 | Average$1,032 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$883 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$598 | Average$877 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$620 | Average$941 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$774 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$663 | Average$1,037 | FlexibilityNo cancel fee | On-time67% |