$330+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jun 28 — Jul 51
Round-trip
1 adult, Economy
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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 May 29, 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 May 29, 2026.
This KAYAK deal was found by Cheapflights users on 5/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:15 pm
DEN
- LIS
1 stop14h 05m
Lufthansa
Mon 11/302:10 pm
LIS
- DEN
1 stop31h 20m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$933
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:04 am
DEN
- LIS
2 stops15h 36m
American Airlines
Sat 11/711:05 am
LIS
- DEN
2 stops19h 15m
American Airlines
Deal found 5/26![American Airlines logo]()
$934
This Priceline deal was found by Cheapflights users on 5/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:25 pm
DEN
- LIS
1 stop14h 25m
Multiple Airlines
Sat 10/318:20 am
LIS
- DEN
2 stops18h 12m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$935
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Thu 10/15:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 5/25![Turkish Airlines logo]()
$939
This KLM deal was found by Cheapflights users on 5/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:45 am
DEN
- LIS
2 stops15h 15m
KLM
Fri 12/2510:00 am
LIS
- DEN
1 stop15h 18m
KLM
Deal found 5/25![KLM logo]()
$940
This Iberia deal was found by Cheapflights users on 5/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:40 pm
DEN
- LIS
1 stop21h 35m
Multiple Airlines
Thu 10/16:35 am
LIS
- DEN
2 stops18h 52m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$942
This Scandinavian Airlines deal was found by Cheapflights users on 5/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 am
DEN
- LIS
3 stops26h 35m
Scandinavian Airlines
Sat 11/147:05 am
LIS
- DEN
2 stops22h 55m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$943
This Mytrip deal was found by Cheapflights users on 5/26. 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.
Tue 9/19:40 am
DEN
- LIS
3 stops30h 40m
Multiple Airlines
Tue 9/157:00 am
LIS
- DEN
2 stops20h 17m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$945
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:40 pm
DEN
- LIS
1 stop21h 35m
British Airways
Thu 10/111:05 am
LIS
- DEN
1 stop17h 52m
British Airways
Deal found 5/24![British Airways logo]()
$946
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Wed 9/26:40 pm
DEN
- LIS
1 stop14h 00m
British Airways
Wed 9/1611:05 am
LIS
- DEN
1 stop17h 52m
British Airways
Deal found 5/26![British Airways logo]()
$950
This oojo deal was found by Cheapflights users on 5/26. 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 8/183:40 pm
DEN
- LIS
1 stop11h 50m
Lufthansa
Wed 8/266:45 am
LIS
- DEN
1 stop15h 55m
Lufthansa
Deal found 5/26![Lufthansa logo]()
$952
This Icelandair deal was found by Cheapflights users on 5/24. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Sun 11/292:00 pm
LIS
- DEN
1 stop35h 05m
Icelandair
Deal found 5/24![Icelandair logo]()
$953
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 May 29, 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 May 29, 2026.
This British Airways deal was found by Cheapflights users on 5/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:25 pm
DEN
- LIS
1 stop17h 20m
British Airways
Sun 11/293:55 pm
LIS
- DEN
1 stop30h 35m
British Airways
Deal found 5/24![British Airways logo]()
$975
This Delta deal was found by Cheapflights users on 5/27. 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.
Tue 9/1512:05 pm
DEN
- LIS
2 stops19h 50m
Delta
Tue 9/295:00 am
LIS
- DEN
2 stops19h 49m
Delta
Deal found 5/27![Delta logo]()
$986
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Sun 10/1111:59 pm
DEN
- LIS
1 stop27h 31m
United Airlines
Sun 10/181:00 pm
LIS
- DEN
1 stop28h 22m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,036
This Finnair deal was found by Cheapflights users on 5/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:39 pm
DEN
- LIS
2 stops27h 46m
Finnair
Mon 10/124:35 pm
LIS
- DEN
2 stops32h 03m
Finnair
Deal found 5/24![Finnair logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 5/28. 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 9/49:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Fri 9/187:25 am
LIS
- DEN
1 stop15h 15m
United Airlines
Deal found 5/28![United Airlines logo]()
$1,040
This Delta deal was found by Cheapflights users on 5/29. 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.
Mon 9/217:15 am
DEN
- LIS
2 stops18h 35m
Delta
Sat 10/35:00 am
LIS
- DEN
2 stops24h 35m
Delta
Deal found 5/29![Delta logo]()
$1,041
This British Airways deal was found by Cheapflights users on 5/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:25 pm
DEN
- LIS
1 stop14h 25m
British Airways
Mon 11/303:50 pm
LIS
- DEN
1 stop30h 40m
British Airways
Deal found 5/24![British Airways logo]()
$1,042
This Delta deal was found by Cheapflights users on 5/28. 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 7/246:35 am
DEN
- LIS
2 stops19h 15m
Delta
Wed 7/295:00 am
LIS
- DEN
2 stops24h 44m
Delta
Deal found 5/28![Delta logo]()
$1,045
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Fri 7/311:59 pm
DEN
- LIS
1 stop27h 36m
United Airlines
Sat 7/1111:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,206
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Sun 10/185:00 am
LIS
- DEN
2 stops19h 35m
Delta
Deal found 5/25![Delta logo]()
$1,101
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 7/410:23 am
DEN
- LIS
2 stops17h 52m
Delta
Mon 7/135:00 am
LIS
- DEN
2 stops22h 43m
Delta
Deal found 5/24![Delta logo]()
$1,115
This Delta deal was found by Cheapflights users on 5/27. 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.
Sat 7/49:19 am
DEN
- LIS
2 stops18h 26m
Delta
Sat 7/119:50 am
LIS
- DEN
2 stops21h 14m
Delta
Deal found 5/27![Delta logo]()
$1,123
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated May 29, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:10 pm
DEN
- LIS
2 stops21h 25m
Multiple Airlines
Mon 6/86:15 am
LIS
- DEN
3 stops47h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,008
This Mytrip deal was found by Cheapflights users on 5/27. 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 6/106:07 pm
DEN
- LIS
3 stops45h 28m
Multiple Airlines
Sat 6/136:10 am
LIS
- DEN
2 stops35h 23m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,097
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Sat 6/136:10 pm
DEN
- LIS
2 stops29h 20m
Multiple Airlines
Tue 6/2311:35 am
LIS
- DEN
2 stops29h 58m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,055
This Mytrip deal was found by Cheapflights users on 5/29. 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.
Sat 6/136:10 pm
DEN
- LIS
2 stops29h 20m
Multiple Airlines
Wed 6/178:15 am
LIS
- DEN
3 stops34h 05m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$1,083
This Mytrip deal was found by Cheapflights users on 5/28. 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 6/149:40 am
DEN
- LIS
2 stops16h 55m
Multiple Airlines
Wed 6/178:15 am
LIS
- DEN
2 stops33h 20m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,070
This Mytrip deal was found by Cheapflights users on 5/29. 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 6/156:10 pm
DEN
- LIS
2 stops29h 20m
Multiple Airlines
Thu 6/2511:35 am
LIS
- DEN
2 stops29h 58m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 5/26. 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.
Tue 6/166:10 pm
DEN
- LIS
2 stops20h 35m
Multiple Airlines
Tue 6/236:15 am
LIS
- DEN
3 stops35h 18m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,029
This Mytrip deal was found by Cheapflights users on 5/25. 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 6/2212:58 pm
DEN
- LIS
3 stops39h 22m
Multiple Airlines
Mon 6/296:15 am
LIS
- DEN
2 stops35h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,080
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 May 29, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 10/54:40 pm
DEN
- LIS
2 stops23h 20m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Wed 11/113:40 pm
DEN
- LIS
2 stops24h 25m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Thu 11/123:40 pm
DEN
- LIS
2 stops23h 30m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 8/254:40 pm
DEN
- LIS
3 stops40h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 10/134:40 pm
DEN
- LIS
2 stops39h 35m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 00m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 8/164:40 pm
DEN
- LIS
3 stops33h 20m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/14:40 pm
DEN
- LIS
3 stops40h 45m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Sat 9/264:40 pm
DEN
- LIS
2 stops23h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Fri 11/133:40 pm
DEN
- LIS
3 stops22h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 9/44:40 pm
DEN
- LIS
2 stops23h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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.
Tue 10/136:35 pm
DEN
- LIS
1 stop21h 25m
British Airways
Deal found 5/28![British Airways logo]()
$362
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 May 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $911 (Air Canada) |
One-way from | $330 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,088 |
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 May 29, 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
Sun 11/15
5:25 pm-5:45 pm
1 stop17h 20m
Lisbon Humberto Delgado
Sun 11/29
3:55 pm-3:30 pm
1 stop30h 35m
$975
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/15
12:05 pm-2:55 pm
2 stops19h 50m
Lisbon Humberto Delgado
Tue 9/29
5:00 am-5:49 pm
2 stops19h 49m
$986
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 10/11
11:59 pm-10:30 am
1 stop27h 31m
Lisbon Humberto Delgado
Sun 10/18
1:00 pm-10:22 am
1 stop28h 22m
$1,036
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 9/4
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Fri 9/18
7:25 am-3:40 pm
1 stop15h 15m
$1,040
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 9/21
7:15 am-8:50 am
2 stops18h 35m
Lisbon Humberto Delgado
Sat 10/3
5:00 am-10:35 pm
2 stops24h 35m
$1,041
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 11/21
5:25 pm-2:50 pm
1 stop14h 25m
Lisbon Humberto Delgado
Mon 11/30
3:50 pm-3:30 pm
1 stop30h 40m
$1,042
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/24
6:35 am-8:50 am
2 stops19h 15m
Lisbon Humberto Delgado
Wed 7/29
5:00 am-10:44 pm
2 stops24h 44m
$1,045
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/8
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Sun 10/18
5:00 am-5:35 pm
2 stops19h 35m
$1,101
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/1
12:39 pm-11:25 pm
2 stops27h 46m
Lisbon Humberto Delgado
Mon 10/12
4:35 pm-5:38 pm
2 stops32h 03m
$1,107
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 7/4
10:23 am-11:15 am
2 stops17h 52m
Lisbon Humberto Delgado
Mon 7/13
5:00 am-8:43 pm
2 stops22h 43m
$1,115
Showing 1-10 of 22 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 May.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $624). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,316). 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?
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 May 29, 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.
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
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
Costa da Caparica
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 May 29, 2026.
Denver and Lisbon flights
Browse other Denver and Lisbon flight options. Last updated on May 29, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on May 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$852 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$904 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$987 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$578 | Average$982 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$596 | Average$995 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$599 | Average$764 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$603 | Average$984 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$733 | FlexibilityNo cancel fee | On-time77% |