$291+ Cheap flights from Denver (DEN) to Lisbon (LIS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Lisbon with Cheapflights
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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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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 July 26, 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 July 26, 2026.
This oojo deal was found by Cheapflights users on 7/22. 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
DEN
- LIS
1 stop14h 10m
Icelandair
Sun 11/152:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/22![Icelandair logo]()
$685
This Justfly.com deal was found by Cheapflights users on 7/25. 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.
Wed 12/23:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Tue 12/152:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/25![Icelandair logo]()
$694
This Expedia deal was found by Cheapflights users on 7/22. 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.
Sun 11/14:15 pm
DEN
- LIS
1 stop24h 15m
Lufthansa
Tue 11/105:00 am
LIS
- DEN
1 stop17h 35m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$699
This Trip.com deal was found by Cheapflights users on 7/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Thu 11/262:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/21![Icelandair logo]()
$706
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:20 am
DEN
- LIS
1 stop12h 35m
Multiple Airlines
Wed 11/185:00 am
LIS
- DEN
1 stop17h 35m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$708
This Icelandair deal was found by Cheapflights users on 7/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Sun 12/62:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/21![Icelandair logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/314:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Tue 11/102:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/24![Icelandair logo]()
$714
This oojo deal was found by Cheapflights users on 7/22. 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.
Tue 10/275:15 pm
DEN
- LIS
1 stop14h 05m
Lufthansa
Fri 11/65:00 am
LIS
- DEN
1 stop17h 35m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$718
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Sun 11/111:18 am
DEN
- LIS
2 stops39h 02m
Air Canada
Tue 11/105:00 am
LIS
- DEN
2 stops34h 37m
Air Canada
Deal found 7/22![Air Canada logo]()
$719
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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 11/257:45 am
DEN
- LIS
2 stops16h 10m
United Airlines
Wed 12/25:00 am
LIS
- DEN
1 stop17h 35m
United Airlines
Deal found 7/24![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 7/23. 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 10/26:35 am
DEN
- LIS
2 stops19h 15m
Delta
Mon 10/125:00 am
LIS
- DEN
2 stops17h 49m
Delta
Deal found 7/23![Delta logo]()
$924
This Turkish Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 9/103:15 pm
DEN
- LIS
2 stops25h 05m
Multiple Airlines
Wed 9/164:45 pm
LIS
- DEN
1 stop32h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$962
This British Airways deal was found by Cheapflights users on 7/25. 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.
Thu 10/86:35 pm
DEN
- LIS
1 stop21h 30m
British Airways
Sun 10/187:20 am
LIS
- DEN
2 stops22h 38m
British Airways
Deal found 7/25![British Airways logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/229:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Tue 9/2911:25 am
LIS
- DEN
2 stops31h 56m
United Airlines
Deal found 7/25![United Airlines logo]()
$790
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 9/3011:25 am
DEN
- LIS
1 stop14h 55m
United Airlines
Tue 10/1311:25 am
LIS
- DEN
2 stops31h 57m
United Airlines
Deal found 7/25![United Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 7/24. 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 9/93:25 pm
DEN
- LIS
2 stops16h 30m
Delta
Wed 9/235:00 am
LIS
- DEN
2 stops22h 15m
Delta
Deal found 7/24![Delta logo]()
$989
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 11/611:20 am
DEN
- LIS
1 stop15h 00m
United Airlines
Sat 11/145:00 am
LIS
- DEN
1 stop17h 35m
United Airlines
Deal found 7/23![United Airlines logo]()
$827
This Delta deal was found by Cheapflights users on 7/22. 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 9/26:40 am
DEN
- LIS
2 stops19h 10m
Delta
Sat 9/195:00 am
LIS
- DEN
2 stops19h 21m
Delta
Deal found 7/22![Delta logo]()
$1,049
This Delta deal was found by Cheapflights users on 7/24. 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 9/1012:15 pm
DEN
- LIS
2 stops19h 40m
Delta
Wed 9/165:00 am
LIS
- DEN
2 stops22h 05m
Delta
Deal found 7/24![Delta logo]()
$1,059
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/56:00 am
DEN
- LIS
1 stop19h 20m
United Airlines
Sat 9/1211:25 am
LIS
- DEN
2 stops31h 56m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,106
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated July 26, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:40 pm
DEN
- LIS
1 stop21h 40m
Icelandair
Thu 8/2710:20 pm
LIS
- DEN
1 stop21h 20m
Icelandair
Deal found 7/23![Icelandair logo]()
$868
This Ticket deal was found by Cheapflights users on 7/22. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:30 pm
DEN
- LIS
1 stop19h 50m
Turkish Airlines
Thu 9/35:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$827
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/208:30 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Wed 9/210:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$853
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/209:55 am
DEN
- LIS
1 stop17h 05m
Multiple Airlines
Thu 8/279:15 am
LIS
- DEN
1 stop14h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$889
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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 8/238:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Tue 9/85:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$852
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/258:30 pm
DEN
- LIS
1 stop30h 20m
Turkish Airlines
Thu 9/105:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$902
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/268:10 pm
DEN
- LIS
1 stop18h 10m
Multiple Airlines
Sun 9/136:10 am
LIS
- DEN
2 stops36h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/268:10 pm
DEN
- LIS
1 stop18h 10m
Multiple Airlines
Thu 9/106:35 am
LIS
- DEN
2 stops24h 54m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$893
This oojo deal was found by Cheapflights users on 7/21. 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.
Wed 8/264:40 pm
DEN
- LIS
1 stop21h 40m
Icelandair
Sun 9/610:20 pm
LIS
- DEN
1 stop27h 40m
Icelandair
Deal found 7/21![Icelandair logo]()
$909
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Sun 8/309:55 am
DEN
- LIS
1 stop15h 15m
Multiple Airlines
Thu 9/109:15 am
LIS
- DEN
1 stop22h 14m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$870
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Sun 8/309:55 am
DEN
- LIS
1 stop15h 15m
Multiple Airlines
Fri 9/1112:35 pm
LIS
- DEN
1 stop18h 54m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$871
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 July 26, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/124:40 pm
DEN
- LIS
3 stops44h 15m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/24:40 pm
DEN
- LIS
3 stops46h 15m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 7/25. 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 10/264:40 pm
DEN
- LIS
2 stops19h 05m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 10/154:40 pm
DEN
- LIS
3 stops43h 25m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 11/13:40 pm
DEN
- LIS
2 stops22h 20m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/198:44 pm
DEN
- LIS
3 stops39h 46m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$343
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Sun 9/64:40 pm
DEN
- LIS
2 stops21h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$345
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 July 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $725 (Expedia) |
One-way from | $291 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,185 |
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 2,558,603 searches. Data last updated July 26, 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 - LIS
DENLIS
Denver Intl
Wed 11/25
7:45 am-6:55 am
2 stops16h 10m
Lisbon Humberto Delgado
Wed 12/2
5:00 am-3:35 pm
1 stop17h 35m
$763
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/22
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Tue 9/29
11:25 am-12:21 pm
2 stops31h 56m
$790
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/30
11:25 am-9:20 am
1 stop14h 55m
Lisbon Humberto Delgado
Tue 10/13
11:25 am-12:22 pm
2 stops31h 57m
$790
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 11/6
11:20 am-9:20 am
1 stop15h 00m
Lisbon Humberto Delgado
Sat 11/14
5:00 am-3:35 pm
1 stop17h 35m
$827
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 10/2
6:35 am-8:50 am
2 stops19h 15m
Lisbon Humberto Delgado
Mon 10/12
5:00 am-3:49 pm
2 stops17h 49m
$924
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 9/10
3:15 pm-11:20 pm
2 stops25h 05m
Lisbon Humberto Delgado
Wed 9/16
4:45 pm-6:25 pm
1 stop32h 40m
$962
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/9
3:25 pm-2:55 pm
2 stops16h 30m
Lisbon Humberto Delgado
Wed 9/23
5:00 am-8:15 pm
2 stops22h 15m
$989
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/2
6:40 am-8:50 am
2 stops19h 10m
Lisbon Humberto Delgado
Sat 9/19
5:00 am-5:21 pm
2 stops19h 21m
$1,049
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/8
6:35 pm-11:05 pm
1 stop21h 30m
Lisbon Humberto Delgado
Sun 10/18
7:20 am-10:58 pm
2 stops22h 38m
$1,057
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 9/10
12:15 pm-2:55 pm
2 stops19h 40m
Lisbon Humberto Delgado
Wed 9/16
5:00 am-8:05 pm
2 stops22h 05m
$1,059
Showing 1-10 of 18 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 July.
| 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 61 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, February is the cheapest month in which you can book a flight from Denver to Lisbon (average of $630). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,335). 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 $885 and $1,201 in October.The cheapest round-trip price found within the last 5 days was $725 on Multiple Airlines (Oct 14-Nov 4).
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 July 26, 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
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Comfort
7.3
Crew
7.8
Boarding
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - 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
Beja
Torres Vedras
Nazaré
Colares
Sesimbra
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Other flights to Lisbon
Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 26, 2026.
Denver and Lisbon flights
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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 2,558,603 searches. Data last updated July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$900 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$941 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$575 | Average$990 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$592 | Average$712 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$622 | Average$889 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$740 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$645 | Average$1,004 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$651 | Average$1,179 | FlexibilityNo cancel fee | On-time77% |