$370+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
May 17 — May 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Denver to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Lisbon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to LisbonExplore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 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 17, 2026.
This oojo deal was found by Cheapflights users on 4/13. 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.
Fri 10/308:20 pm
DEN
- LIS
1 stop32h 20m
Turkish Airlines
Sat 11/75:55 am
LIS
- DEN
1 stop19h 40m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$730
This Justfly.com deal was found by Cheapflights users on 4/13. 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 10/68:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Thu 10/225:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$750
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Sat 8/18:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Mon 8/3110:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$751
This FlightHub deal was found by Cheapflights users on 4/13. 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 4/13![Turkish Airlines logo]()
$760
This KAYAK deal was found by Cheapflights users on 4/13. 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.
Sun 10/48:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Fri 10/234:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$766
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Sat 9/125:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$769
This Turkish Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$771
This Turkish Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 11/68:20 pm
DEN
- LIS
1 stop31h 20m
Turkish Airlines
Fri 2/511:40 am
LIS
- DEN
1 stop36h 55m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 4/15. 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 10/149:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Wed 11/45:00 am
LIS
- DEN
1 stop18h 00m
United Airlines
Deal found 4/15![United Airlines logo]()
$773
This Turkish Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Sat 9/195:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:30 am
DEN
- LIS
1 stop13h 40m
United Airlines
Thu 2/45:00 am
LIS
- DEN
1 stop18h 00m
United Airlines
Deal found 4/16![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:55 pm
DEN
- LIS
1 stop11h 20m
United Airlines
Wed 2/311:20 am
LIS
- DEN
2 stops32h 10m
United Airlines
Deal found 4/16![United Airlines logo]()
$777
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 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Thu 11/195:00 am
LIS
- DEN
2 stops22h 00m
Delta
Deal found 4/17![Delta logo]()
$836
This KLM deal was found by Cheapflights users on 4/14. 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 4/296:40 am
DEN
- LIS
1 stop18h 20m
KLM
Sun 5/310:00 am
LIS
- DEN
1 stop16h 42m
KLM
Deal found 4/14![KLM logo]()
$887
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:10 pm
DEN
- LIS
1 stop33h 55m
United Airlines
Thu 9/241:00 pm
LIS
- DEN
1 stop14h 17m
United Airlines
Deal found 4/17![United Airlines logo]()
$949
This KLM deal was found by Cheapflights users on 4/16. 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.
Sat 5/22:39 pm
DEN
- LIS
2 stops16h 56m
Multiple Airlines
Sat 5/1612:15 pm
LIS
- DEN
1 stop34h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$961
This Delta deal was found by Cheapflights users on 4/13. 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.
Sun 10/412:55 am
DEN
- LIS
2 stops24h 05m
Delta
Tue 10/205:35 am
LIS
- DEN
2 stops21h 25m
Delta
Deal found 4/13![Delta logo]()
$887
This Delta deal was found by Cheapflights users on 4/13. 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.
Sun 10/47:05 am
DEN
- LIS
2 stops21h 10m
Delta
Fri 10/2312:45 pm
LIS
- DEN
2 stops17h 14m
Delta
Deal found 4/13![Delta logo]()
$895
This Delta deal was found by Cheapflights users on 4/13. 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 10/67:00 am
DEN
- LIS
2 stops21h 15m
Delta
Fri 10/2312:45 pm
LIS
- DEN
2 stops17h 14m
Delta
Deal found 4/13![Delta logo]()
$895
This Delta deal was found by Cheapflights users on 4/15. 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 10/36:30 am
DEN
- LIS
2 stops19h 20m
Delta
Wed 10/145:00 am
LIS
- DEN
2 stops19h 35m
Delta
Deal found 4/15![Delta logo]()
$940
This Delta deal was found by Cheapflights users on 4/15. 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 5/99:12 am
DEN
- LIS
2 stops19h 03m
Delta
Sun 5/175:35 am
LIS
- DEN
1 stop17h 05m
Delta
Deal found 4/15![Delta logo]()
$943
This Delta deal was found by Cheapflights users on 4/14. 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 9/2112:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Sat 10/35:35 am
LIS
- DEN
2 stops19h 03m
Delta
Deal found 4/14![Delta logo]()
$948
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated April 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/16. 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 4/2511:59 pm
DEN
- LIS
1 stop27h 31m
United Airlines
Tue 5/511:25 am
LIS
- DEN
1 stop30h 09m
United Airlines
Deal found 4/16![United Airlines logo]()
$778
This FlightHub deal was found by Cheapflights users on 4/13. 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 4/13![Turkish Airlines logo]()
$760
This KAYAK deal was found by Cheapflights users on 4/14. 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.
Sun 4/268:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Wed 5/64:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$766
This Turkish Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$771
This oojo deal was found by Cheapflights users on 4/13. 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.
Sun 4/268:25 pm
DEN
- LIS
1 stop30h 30m
Turkish Airlines
Thu 6/115:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/13![Turkish Airlines logo]()
$781
This United Airlines deal was found by Cheapflights users on 4/15. 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 4/266:00 am
DEN
- LIS
1 stop21h 30m
United Airlines
Wed 5/65:05 am
LIS
- DEN
2 stops25h 44m
United Airlines
Deal found 4/15![United Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 4/14. 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 4/2712:34 pm
DEN
- LIS
2 stops14h 56m
United Airlines
Wed 5/65:05 am
LIS
- DEN
2 stops25h 44m
United Airlines
Deal found 4/14![United Airlines logo]()
$789
This Turkish Airlines deal was found by Cheapflights users on 4/16. 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 4/16![Turkish Airlines logo]()
$772
This Iberia deal was found by Cheapflights users on 4/14. 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.
Tue 4/286:30 pm
DEN
- LIS
1 stop21h 30m
Multiple Airlines
Fri 5/812:30 pm
LIS
- DEN
2 stops18h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$782
This Iberia deal was found by Cheapflights users on 4/16. 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.
Tue 4/286:30 pm
DEN
- LIS
1 stop21h 30m
Multiple Airlines
Tue 5/56:35 am
LIS
- DEN
2 stops20h 20m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 4/16. 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 4/2811:45 am
DEN
- LIS
1 stop16h 00m
Delta
Wed 5/65:00 am
LIS
- DEN
2 stops21h 42m
Delta
Deal found 4/16![Delta logo]()
$786
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 17, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 9/128:10 pm
DEN
- LIS
2 stops41h 55m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 9/284:40 pm
DEN
- LIS
2 stops23h 20m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:15 pm
DEN
- LIS
2 stops23h 00m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 8/105:40 pm
DEN
- LIS
2 stops20h 40m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 9/274:15 pm
DEN
- LIS
2 stops31h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 8/34:15 pm
DEN
- LIS
2 stops31h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 8/114:15 pm
DEN
- LIS
2 stops20h 00m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$402
This CrystalTravel deal was found by Cheapflights users on 4/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Deal found 4/14![Icelandair logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/14![Multiple Airlines logo]()
$405
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $729 (Kiwi.com) |
One-way from | $455 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $805 |
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 17, 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
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Thu 11/19
5:00 am-8:00 pm
2 stops22h 00m
$836
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 4/29
6:40 am-8:00 am
1 stop18h 20m
Lisbon Humberto Delgado
Sun 5/3
10:00 am-7:42 pm
1 stop16h 42m
$887
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 10/4
12:55 am-8:00 am
2 stops24h 05m
Lisbon Humberto Delgado
Tue 10/20
5:35 am-8:00 pm
2 stops21h 25m
$887
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 10/4
7:05 am-11:15 am
2 stops21h 10m
Lisbon Humberto Delgado
Fri 10/23
12:45 pm-10:59 pm
2 stops17h 14m
$895
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 10/6
7:00 am-11:15 am
2 stops21h 15m
Lisbon Humberto Delgado
Fri 10/23
12:45 pm-10:59 pm
2 stops17h 14m
$895
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 10/3
6:30 am-8:50 am
2 stops19h 20m
Lisbon Humberto Delgado
Wed 10/14
5:00 am-5:35 pm
2 stops19h 35m
$940
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 5/9
9:12 am-11:15 am
2 stops19h 03m
Lisbon Humberto Delgado
Sun 5/17
5:35 am-3:40 pm
1 stop17h 05m
$943
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 9/21
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Sat 10/3
5:35 am-5:38 pm
2 stops19h 03m
$948
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/16
6:10 pm-11:05 am
1 stop33h 55m
Lisbon Humberto Delgado
Thu 9/24
1:00 pm-8:17 pm
1 stop14h 17m
$949
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 5/2
2:39 pm-2:35 pm
2 stops16h 56m
Lisbon Humberto Delgado
Sat 5/16
12:15 pm-3:40 pm
1 stop34h 25m
$961
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Lisbon. Price data was last updated on April 10, 2026.
Booking 44 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 $1,242). 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 17, 2026.
See what other customers who have flown with United Airlines,Turkish 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.
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Lisbon flight routes
Other flight options
Other flights from Denver
Popular flights
Alternative routes for Denver to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Lisbon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Lisbon by cabin class
Find flights from Denver to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 17, 2026.
Denver and Lisbon flights
Browse other Denver and Lisbon flight options. Last updated on April 17, 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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$874 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$1,034 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$575 | Average$967 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$595 | Average$930 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$599 | Average$686 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$603 | Average$984 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$828 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$709 | FlexibilityNo cancel fee | On-time77% |