$356+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jun 10 — Jun 171
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 11, 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 11, 2026.
This oojo deal was found by Cheapflights users on 5/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:25 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Sat 9/55:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 5/9![Turkish Airlines logo]()
$853
This Finnair deal was found by Cheapflights users on 5/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 pm
DEN
- LIS
1 stop21h 20m
Multiple Airlines
Mon 11/24:10 pm
LIS
- DEN
2 stops35h 03m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$855
This British Airways deal was found by Cheapflights users on 5/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:25 pm
DEN
- LIS
1 stop21h 25m
British Airways
Fri 12/47:05 am
LIS
- DEN
1 stop15h 25m
British Airways
Deal found 5/9![British Airways logo]()
$856
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Sun 12/62:00 pm
LIS
- DEN
1 stop35h 05m
Icelandair
Deal found 5/9![Icelandair logo]()
$858
This Air Canada deal was found by Cheapflights users on 5/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:51 am
DEN
- LIS
2 stops18h 29m
Multiple Airlines
Wed 11/45:00 am
LIS
- DEN
2 stops19h 44m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$859
This Justfly.com deal was found by Cheapflights users on 5/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:25 pm
DEN
- LIS
1 stop14h 35m
Air Canada
Thu 12/35:00 am
LIS
- DEN
2 stops19h 44m
Air Canada
Deal found 5/9![Air Canada logo]()
$864
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 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 stop14h 00m
British Airways
Thu 11/1911:05 am
LIS
- DEN
1 stop18h 58m
British Airways
Deal found 5/11![British Airways logo]()
$865
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Mon 11/238:17 am
DEN
- LIS
2 stops18h 33m
United Airlines
Fri 12/46:10 am
LIS
- DEN
1 stop15h 25m
United Airlines
Deal found 5/9![United Airlines logo]()
$866
This Air Canada deal was found by Cheapflights users on 5/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:15 am
DEN
- LIS
1 stop15h 35m
Air Canada
Thu 11/195:00 am
LIS
- DEN
2 stops19h 44m
Air Canada
Deal found 5/9![Air Canada logo]()
$867
This Justfly.com deal was found by Cheapflights users on 5/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am
DEN
- LIS
2 stops50h 35m
Turkish Airlines
Wed 9/3010:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 5/7![Turkish Airlines logo]()
$868
This Finnair deal was found by Cheapflights users on 5/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:12 pm
DEN
- LIS
2 stops27h 13m
Finnair
Mon 11/24:10 pm
LIS
- DEN
2 stops35h 03m
Finnair
Deal found 5/8![Finnair logo]()
$869
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Wed 8/2610:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 5/11![Turkish Airlines logo]()
$870
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 11, 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 11, 2026.
This Finnair deal was found by Cheapflights users on 5/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 pm
DEN
- LIS
1 stop21h 20m
Multiple Airlines
Sat 11/76:30 am
LIS
- DEN
2 stops20h 43m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$859
This Justfly.com deal was found by Cheapflights users on 5/11. 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 Justfly.com 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
Air Canada
Tue 10/135:05 am
LIS
- DEN
2 stops25h 03m
Air Canada
Deal found 5/11![Air Canada logo]()
$966
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 7/229:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Wed 8/511:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 5/8![United Airlines logo]()
$985
This Scandinavian Airlines deal was found by Cheapflights users on 5/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am
DEN
- LIS
3 stops27h 15m
Scandinavian Airlines
Mon 11/27:05 am
LIS
- DEN
2 stops22h 55m
Scandinavian Airlines
Deal found 5/8![Scandinavian Airlines logo]()
$1,364
This British Airways deal was found by Cheapflights users on 5/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:27 pm
DEN
- LIS
2 stops16h 43m
Multiple Airlines
Sat 11/148:20 am
LIS
- DEN
2 stops21h 43m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$919
This United Airlines deal was found by Cheapflights users on 5/6. 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 9/1111:59 pm
DEN
- LIS
1 stop25h 21m
United Airlines
Sat 9/2611:25 am
LIS
- DEN
1 stop30h 06m
United Airlines
Deal found 5/6![United Airlines logo]()
$1,106
This Finnair deal was found by Cheapflights users on 5/9. 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 Finnair 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
Multiple Airlines
Sun 10/186:35 am
LIS
- DEN
2 stops22h 46m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,095
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:00 pm
DEN
- LIS
1 stop15h 55m
Multiple Airlines
Mon 6/156:15 am
LIS
- DEN
2 stops36h 05m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,152
This United Airlines deal was found by Cheapflights users on 5/10. 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 6/711:59 pm
DEN
- LIS
1 stop27h 31m
United Airlines
Wed 7/111:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 5/10![United Airlines logo]()
$1,312
This Scandinavian Airlines deal was found by Cheapflights users on 5/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:20 pm
DEN
- LIS
3 stops27h 40m
Scandinavian Airlines
Wed 9/307:15 am
LIS
- DEN
2 stops22h 43m
Scandinavian Airlines
Deal found 5/7![Scandinavian Airlines logo]()
$1,623
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sun 5/249:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Fri 6/196:15 am
LIS
- DEN
1 stop15h 05m
United Airlines
Deal found 5/9![United Airlines logo]()
$1,475
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated May 11, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 5/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:16 pm
DEN
- LIS
2 stops32h 49m
Multiple Airlines
Thu 5/217:25 am
LIS
- DEN
1 stop15h 15m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/113:52 pm
DEN
- LIS
1 stop11h 38m
United Airlines
Thu 5/217:25 am
LIS
- DEN
1 stop15h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,026
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:16 pm
DEN
- LIS
2 stops31h 04m
Air Canada
Thu 5/2111:25 am
LIS
- DEN
2 stops16h 03m
Air Canada
Deal found 5/11![Air Canada logo]()
$1,039
This Gotogate deal was found by Cheapflights users on 5/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:40 am
DEN
- LIS
1 stop16h 40m
Multiple Airlines
Tue 5/195:05 am
LIS
- DEN
1 stop17h 35m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 5/1311:25 am
DEN
- LIS
1 stop14h 55m
United Airlines
Wed 5/206:45 am
LIS
- DEN
1 stop15h 55m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,024
This KLM deal was found by Cheapflights users on 5/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:35 pm
DEN
- LIS
1 stop12h 25m
KLM
Wed 5/205:00 am
LIS
- DEN
2 stops19h 35m
KLM
Deal found 5/7![KLM logo]()
$1,036
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:10 am
DEN
- LIS
2 stops18h 55m
Multiple Airlines
Wed 5/206:15 am
LIS
- DEN
2 stops18h 58m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,038
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:10 pm
DEN
- LIS
1 stop18h 10m
Icelandair
Sun 6/710:20 pm
LIS
- DEN
1 stop21h 20m
Icelandair
Deal found 5/8![Icelandair logo]()
$952
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Wed 6/34:40 pm
DEN
- LIS
3 stops31h 10m
Multiple Airlines
Tue 6/910:40 am
LIS
- DEN
2 stops31h 40m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Thu 6/412:15 pm
DEN
- LIS
3 stops35h 15m
Multiple Airlines
Thu 6/118:15 am
LIS
- DEN
3 stops34h 05m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,037
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 11, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:40 pm
DEN
- LIS
3 stops33h 10m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$356
This British Airways deal was found by Cheapflights users on 5/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:35 pm
DEN
- LIS
1 stop21h 25m
British Airways
Deal found 5/9![British Airways logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Sun 9/274:40 pm
DEN
- LIS
2 stops19h 55m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/154:40 pm
DEN
- LIS
3 stops47h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:40 pm
DEN
- LIS
3 stops43h 05m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sun 8/24:40 pm
DEN
- LIS
3 stops22h 45m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 8/114:40 pm
DEN
- LIS
3 stops46h 05m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/84:40 pm
DEN
- LIS
3 stops46h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$397
This Ovago deal was found by Cheapflights users on 5/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:30 am
DEN
- LIS
1 stop17h 35m
British Airways
Deal found 5/9![British Airways logo]()
$400
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $853 (oojo) |
One-way from | $356 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,086 |
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 11, 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
Tue 10/27
6:25 pm-9:45 pm
1 stop21h 20m
Lisbon Humberto Delgado
Sat 11/7
6:30 am-8:13 pm
2 stops20h 43m
$859
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 11/7
12:27 pm-12:10 pm
2 stops16h 43m
Lisbon Humberto Delgado
Sat 11/14
8:20 am-11:03 pm
2 stops21h 43m
$919
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/30
11:25 am-9:20 am
1 stop14h 55m
Lisbon Humberto Delgado
Tue 10/13
5:05 am-11:08 pm
2 stops25h 03m
$966
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 7/22
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Wed 8/5
11:25 am-10:33 am
1 stop30h 08m
$985
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/8
6:35 pm-11:05 pm
1 stop21h 30m
Lisbon Humberto Delgado
Sun 10/18
6:35 am-10:21 pm
2 stops22h 46m
$1,095
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 9/11
11:59 pm-8:20 am
1 stop25h 21m
Lisbon Humberto Delgado
Sat 9/26
11:25 am-10:31 am
1 stop30h 06m
$1,106
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 6/8
8:00 pm-6:55 pm
1 stop15h 55m
Lisbon Humberto Delgado
Mon 6/15
6:15 am-11:20 am
2 stops36h 05m
$1,152
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 6/7
11:59 pm-10:30 am
1 stop27h 31m
Lisbon Humberto Delgado
Wed 7/1
11:25 am-10:33 am
1 stop30h 08m
$1,312
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 10/27
6:30 am-3:45 pm
3 stops27h 15m
Lisbon Humberto Delgado
Mon 11/2
7:05 am-11:00 pm
2 stops22h 55m
$1,364
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 5/24
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Fri 6/19
6:15 am-2:20 pm
1 stop15h 05m
$1,475
Showing 1-10 of 19 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 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 $1,298). 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 11, 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.
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - 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 11, 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$898 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$992 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$578 | Average$982 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$596 | Average$986 | 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$826 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$726 | FlexibilityNo cancel fee | On-time77% |