$369+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
May 28 — Jun 41
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 April 28, 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 April 28, 2026.
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm
DEN
- LIS
1 stop14h 05m
Multiple Airlines
Wed 11/46:30 am
LIS
- DEN
2 stops20h 43m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$815
This Orbitz deal was found by Cheapflights users on 4/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:25 pm
DEN
- LIS
1 stop21h 20m
Multiple Airlines
Tue 11/104:10 pm
LIS
- DEN
2 stops32h 39m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$817
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 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 4/23![British Airways logo]()
$818
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 10/146:35 pm
DEN
- LIS
1 stop21h 40m
American Airlines
Wed 11/411:05 am
LIS
- DEN
2 stops18h 56m
American Airlines
Deal found 4/26![American Airlines logo]()
$819
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Mon 10/1210:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$821
This Justfly.com deal was found by Cheapflights users on 4/25. 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.
Tue 10/138:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Fri 10/234:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$824
This British Airways deal was found by Cheapflights users on 4/25. 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.
Sun 11/15:25 pm
DEN
- LIS
1 stop21h 20m
British Airways
Fri 11/137:05 am
LIS
- DEN
1 stop15h 25m
British Airways
Deal found 4/25![British Airways logo]()
$825
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:21 pm
DEN
- LIS
2 stops13h 44m
American Airlines
Wed 11/1111:05 am
LIS
- DEN
2 stops15h 50m
American Airlines
Deal found 4/25![American Airlines logo]()
$827
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Wed 8/2610:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$832
This Finnair deal was found by Cheapflights users on 4/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 pm
DEN
- LIS
1 stop21h 20m
Multiple Airlines
Thu 11/194:10 pm
LIS
- DEN
2 stops32h 39m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$833
This Orbitz deal was found by Cheapflights users on 4/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:21 pm
DEN
- LIS
2 stops28h 04m
Finnair
Tue 11/104:10 pm
LIS
- DEN
2 stops32h 39m
Finnair
Deal found 4/23![Finnair logo]()
$840
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Mon 5/114:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$842
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 April 28, 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 April 28, 2026.
This Finnair deal was found by Cheapflights users on 4/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:39 pm
DEN
- LIS
2 stops20h 11m
Finnair
Thu 11/194:10 pm
LIS
- DEN
2 stops32h 39m
Finnair
Deal found 4/23![Finnair logo]()
$924
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:35 pm
DEN
- LIS
1 stop21h 35m
British Airways
Fri 10/167:20 am
LIS
- DEN
2 stops19h 19m
British Airways
Deal found 4/23![British Airways logo]()
$983
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 9/102:20 pm
DEN
- LIS
2 stops17h 35m
Delta
Thu 9/245:00 am
LIS
- DEN
2 stops20h 34m
Delta
Deal found 4/28![Delta logo]()
$1,056
This Turkish Airlines deal was found by Cheapflights users on 4/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
DEN
- LIS
2 stops50h 45m
Multiple Airlines
Wed 9/165:55 am
LIS
- DEN
2 stops24h 39m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 4/28. 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 9/185:05 am
LIS
- DEN
1 stop17h 35m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,205
This Scandinavian Airlines deal was found by Cheapflights users on 4/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:30 am
DEN
- LIS
3 stops26h 15m
Scandinavian Airlines
Wed 8/267:15 am
LIS
- DEN
2 stops22h 34m
Scandinavian Airlines
Deal found 4/25![Scandinavian Airlines logo]()
$1,364
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:59 pm
DEN
- LIS
1 stop27h 31m
United Airlines
Thu 6/1811:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,312
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 6/21:20 pm
DEN
- LIS
2 stops18h 35m
Delta
Wed 6/105:00 am
LIS
- DEN
2 stops19h 53m
Delta
Deal found 4/25![Delta logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:59 pm
DEN
- LIS
2 stops26h 21m
United Airlines
Sat 7/46:15 am
LIS
- DEN
1 stop19h 35m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,379
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/209:06 am
DEN
- LIS
2 stops18h 49m
Delta
Sat 5/305:35 am
LIS
- DEN
2 stops25h 17m
Delta
Deal found 4/23![Delta logo]()
$1,414
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:50 pm
DEN
- LIS
1 stop31h 30m
United Airlines
Sat 6/2011:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,382
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:39 pm
DEN
- LIS
2 stops18h 31m
British Airways
Thu 11/197:00 am
LIS
- DEN
2 stops20h 13m
British Airways
Deal found 4/23![British Airways logo]()
$2,003
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated April 28, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 4/25. 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.
Tue 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Mon 5/44:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$843
This Orbitz deal was found by Cheapflights users on 4/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:36 am
DEN
- LIS
2 stops21h 14m
Iberia
Sat 5/912:30 pm
LIS
- DEN
2 stops18h 15m
Iberia
Deal found 4/23![Iberia logo]()
$847
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/125:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$850
This KAYAK deal was found by Cheapflights users on 4/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Wed 5/64:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$851
This Turkish Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/23![Turkish Airlines logo]()
$852
This FlightHub deal was found by Cheapflights users on 4/25. 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 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Fri 5/85:55 am
LIS
- DEN
2 stops47h 24m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$853
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sun 5/39:40 am
DEN
- LIS
3 stops26h 25m
Multiple Airlines
Tue 5/196:30 am
LIS
- DEN
2 stops35h 50m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$862
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:36 am
DEN
- LIS
2 stops29h 29m
Iberia
Thu 5/216:35 am
LIS
- DEN
2 stops24h 20m
Iberia
Deal found 4/23![Iberia logo]()
$842
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Wed 5/611:25 am
DEN
- LIS
3 stops24h 40m
Multiple Airlines
Tue 5/196:30 am
LIS
- DEN
3 stops35h 50m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$869
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 April 28, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 10/24:40 pm
DEN
- LIS
2 stops17h 55m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sun 10/44:40 pm
DEN
- LIS
2 stops21h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sun 5/1712:15 pm
DEN
- LIS
3 stops47h 40m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sat 9/264:40 pm
DEN
- LIS
3 stops46h 45m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 9/154:40 pm
DEN
- LIS
3 stops41h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$407
This Gotogate deal was found by Cheapflights users on 4/23. 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 9/264:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Deal found 4/23![Icelandair logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Tue 6/97:41 am
DEN
- LIS
2 stops31h 04m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/114:05 pm
DEN
- LIS
2 stops22h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/46:05 am
DEN
- LIS
3 stops55h 45m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$425
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $815 (British Airways) |
One-way from | $369 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $807 |
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 April 28, 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 9/23
12:39 pm-3:50 pm
2 stops20h 11m
Lisbon Humberto Delgado
Thu 11/19
4:10 pm-5:49 pm
2 stops32h 39m
$924
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 10/2
6:35 pm-11:10 pm
1 stop21h 35m
Lisbon Humberto Delgado
Fri 10/16
7:20 am-7:39 pm
2 stops19h 19m
$983
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 9/10
2:20 pm-2:55 pm
2 stops17h 35m
Lisbon Humberto Delgado
Thu 9/24
5:00 am-6:34 pm
2 stops20h 34m
$1,056
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/2
6:00 am-3:45 pm
2 stops50h 45m
Lisbon Humberto Delgado
Wed 9/16
5:55 am-11:34 pm
2 stops24h 39m
$1,133
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
5:05 am-3:40 pm
1 stop17h 35m
$1,205
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 6/6
11:59 pm-10:30 am
1 stop27h 31m
Lisbon Humberto Delgado
Thu 6/18
11:25 am-10:33 am
1 stop30h 08m
$1,312
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 6/2
1:20 pm-2:55 pm
2 stops18h 35m
Lisbon Humberto Delgado
Wed 6/10
5:00 am-5:53 pm
2 stops19h 53m
$1,320
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 8/18
6:30 am-3:45 pm
3 stops26h 15m
Lisbon Humberto Delgado
Wed 8/26
7:15 am-10:49 pm
2 stops22h 34m
$1,364
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 6/2
11:59 pm-9:20 am
2 stops26h 21m
Lisbon Humberto Delgado
Sat 7/4
6:15 am-6:50 pm
1 stop19h 35m
$1,379
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 6/2
5:50 pm-8:20 am
1 stop31h 30m
Lisbon Humberto Delgado
Sat 6/20
11:25 am-10:33 am
1 stop30h 08m
$1,382
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 April.
| 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 43 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 $626). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,243). 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 April 28, 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.
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
Overall
7.4
Boarding
7.3
Comfort
7.3
Crew
7.8
Entertainment
7.5
Food
7.5
Reviews
1 / 20
8.0
ExcellentCathy,Mar 2026
DFW - ATH
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 April 28, 2026.
Denver and Lisbon flights
Browse other Denver and Lisbon flight options. Last updated on April 28, 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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$889 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$992 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$579 | Average$977 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$595 | Average$928 | 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$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$778 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$710 | FlexibilityNo cancel fee | On-time77% |