$242+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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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
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Cheapest flights from Denver to LisbonExplore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 4, 2026.
Explore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 4, 2026.
This Justfly.com deal was found by Cheapflights users on 7/1. 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 11/183:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Thu 12/32:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/1![Icelandair logo]()
$689
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sun 11/295:40 pm
DEN
- LIS
1 stop32h 40m
Multiple Airlines
Wed 12/95:00 am
LIS
- DEN
1 stop17h 35m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 11/233:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Thu 12/32:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/1![Icelandair logo]()
$710
This Icelandair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm
DEN
- LIS
1 stop14h 10m
Icelandair
Tue 12/82:00 pm
LIS
- DEN
1 stop35h 00m
Icelandair
Deal found 7/1![Icelandair logo]()
$711
This oojo deal was found by Cheapflights users on 7/2. 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 11/104:15 pm
DEN
- LIS
1 stop14h 05m
Lufthansa
Tue 11/175:00 am
LIS
- DEN
1 stop17h 35m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$712
This Gotogate deal was found by Cheapflights users on 6/30. 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.
Sun 11/15:40 pm
DEN
- LIS
1 stop32h 40m
Multiple Airlines
Wed 11/115:00 am
LIS
- DEN
1 stop17h 35m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$715
This Booking.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am
DEN
- LIS
1 stop16h 40m
Air Canada
Wed 11/411:20 am
LIS
- DEN
2 stops37h 43m
Air Canada
Deal found 7/1![Air Canada logo]()
$719
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/1411:25 am
DEN
- LIS
1 stop14h 55m
United Airlines
Wed 11/45:00 am
LIS
- DEN
1 stop15h 40m
United Airlines
Deal found 7/2![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/16:00 am
DEN
- LIS
1 stop19h 10m
United Airlines
Wed 11/115:00 am
LIS
- DEN
1 stop15h 40m
United Airlines
Deal found 6/30![United Airlines logo]()
$723
This Booking.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:30 pm
DEN
- LIS
1 stop12h 50m
Air Canada
Wed 11/1111:20 am
LIS
- DEN
2 stops37h 43m
Air Canada
Deal found 6/30![Air Canada logo]()
$724
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/2410:20 am
DEN
- LIS
1 stop16h 45m
United Airlines
Tue 12/86:10 am
LIS
- DEN
1 stop15h 20m
United Airlines
Deal found 7/1![United Airlines logo]()
$725
Best flights from Denver to LisbonDiscover carefully curated flight deals from Denver to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 4, 2026.
Discover carefully curated flight deals from Denver to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 4, 2026.
This British Airways deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:01 pm
DEN
- LIS
1 stop17h 44m
British Airways
Thu 12/106:35 pm
LIS
- DEN
1 stop27h 35m
British Airways
Deal found 6/29![British Airways logo]()
$822
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 10/108:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Sat 10/1710:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 7/1![Turkish Airlines logo]()
$852
This Delta deal was found by Cheapflights users on 7/2. 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 10/46:40 am
DEN
- LIS
2 stops19h 10m
Delta
Sun 10/255:00 am
LIS
- DEN
2 stops24h 51m
Delta
Deal found 7/2![Delta logo]()
$859
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 8/2810:59 am
DEN
- LIS
2 stops28h 06m
Scandinavian Airlines
Sat 9/510:55 pm
LIS
- DEN
2 stops32h 03m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$941
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Thu 9/246:00 am
DEN
- LIS
1 stop21h 30m
United Airlines
Sun 10/412:20 pm
LIS
- DEN
1 stop19h 10m
United Airlines
Deal found 7/4![United Airlines logo]()
$1,017
This British Airways deal was found by Cheapflights users on 6/30. 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 9/226:40 pm
DEN
- LIS
1 stop32h 25m
British Airways
Mon 10/126:45 pm
LIS
- DEN
1 stop28h 40m
British Airways
Deal found 6/30![British Airways logo]()
$831
This Turkish Airlines deal was found by Cheapflights users on 7/3. 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 9/138:25 pm
DEN
- LIS
1 stop19h 50m
Turkish Airlines
Sun 11/111:35 am
LIS
- DEN
1 stop37h 50m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:55 pm
DEN
- LIS
1 stop23h 00m
United Airlines
Fri 8/75:05 am
LIS
- DEN
2 stops26h 25m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,057
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 11/66:30 am
DEN
- LIS
3 stops26h 15m
Scandinavian Airlines
Sat 11/147:05 am
LIS
- DEN
2 stops22h 55m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$1,172
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:19 am
DEN
- LIS
2 stops18h 36m
Delta
Wed 7/295:00 am
LIS
- DEN
2 stops19h 27m
Delta
Deal found 7/3![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 6/30. 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 7/204:08 pm
DEN
- LIS
2 stops15h 47m
Delta
Mon 7/275:00 am
LIS
- DEN
2 stops17h 30m
Delta
Deal found 6/30![Delta logo]()
$1,333
This KAYAK deal was found by Cheapflights users on 6/30. 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.
Mon 8/175:40 pm
DEN
- LIS
1 stop17h 10m
Delta
Thu 8/207:40 am
LIS
- DEN
2 stops22h 04m
Delta
Deal found 6/30![Delta logo]()
$1,366
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated July 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/148:00 pm
DEN
- LIS
1 stop18h 35m
Aer Lingus
Fri 8/2110:15 pm
LIS
- DEN
1 stop27h 00m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$843
This Expedia deal was found by Cheapflights users on 6/30. 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.
Mon 8/178:00 pm
DEN
- LIS
1 stop18h 35m
Aer Lingus
Tue 9/110:15 pm
LIS
- DEN
1 stop27h 00m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$809
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:40 pm
DEN
- LIS
3 stops32h 50m
Multiple Airlines
Mon 8/246:40 am
LIS
- DEN
2 stops19h 20m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$841
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:40 pm
DEN
- LIS
2 stops21h 05m
Multiple Airlines
Tue 8/259:35 am
LIS
- DEN
2 stops34h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$759
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Fri 8/284:40 pm
DEN
- LIS
2 stops21h 10m
Multiple Airlines
Sat 9/58:15 am
LIS
- DEN
2 stops34h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$805
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Fri 8/284:40 pm
DEN
- LIS
2 stops21h 10m
Multiple Airlines
Thu 9/38:15 am
LIS
- DEN
3 stops34h 05m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/288:00 pm
DEN
- LIS
1 stop18h 35m
Aer Lingus
Fri 9/410:15 pm
LIS
- DEN
1 stop27h 00m
Aer Lingus
Deal found 7/3![Aer Lingus logo]()
$839
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:40 pm
DEN
- LIS
2 stops22h 15m
Multiple Airlines
Sat 9/58:15 am
LIS
- DEN
2 stops34h 05m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$775
One-way flights from Denver to LisbonSearch for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/294:40 pm
DEN
- LIS
2 stops22h 15m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/304:40 pm
DEN
- LIS
3 stops47h 25m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/314:40 pm
DEN
- LIS
3 stops39h 30m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:40 pm
DEN
- LIS
3 stops40h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:40 pm
DEN
- LIS
2 stops21h 10m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/28:10 pm
DEN
- LIS
2 stops42h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/284:40 pm
DEN
- LIS
3 stops23h 45m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$275
Find flight deals from Denver to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $689 (Justfly.com) |
One-way from | $242 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,111 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 4, 2026.
Use the filters below to find and compare flights from Denver to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 12/6
5:01 pm-5:45 pm
1 stop17h 44m
Lisbon Humberto Delgado
Thu 12/10
6:35 pm-3:10 pm
1 stop27h 35m
$822
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/22
6:40 pm-10:05 am
1 stop32h 25m
Lisbon Humberto Delgado
Mon 10/12
6:45 pm-4:25 pm
1 stop28h 40m
$831
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 10/10
8:25 pm-3:35 pm
1 stop36h 10m
Lisbon Humberto Delgado
Sat 10/17
10:55 am-6:25 pm
1 stop38h 30m
$852
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 10/4
6:40 am-8:50 am
2 stops19h 10m
Lisbon Humberto Delgado
Sun 10/25
5:00 am-11:51 pm
2 stops24h 51m
$859
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 9/13
8:25 pm-11:15 pm
1 stop19h 50m
Lisbon Humberto Delgado
Sun 11/1
11:35 am-6:25 pm
1 stop37h 50m
$902
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 8/28
10:59 am-10:05 pm
2 stops28h 06m
Lisbon Humberto Delgado
Sat 9/5
10:55 pm-11:58 pm
2 stops32h 03m
$941
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 9/24
6:00 am-10:30 am
1 stop21h 30m
Lisbon Humberto Delgado
Sun 10/4
12:20 pm-12:30 am
1 stop19h 10m
$1,017
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/31
3:55 pm-9:55 pm
1 stop23h 00m
Lisbon Humberto Delgado
Fri 8/7
5:05 am-12:30 am
2 stops26h 25m
$1,057
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 11/6
6:30 am-3:45 pm
3 stops26h 15m
Lisbon Humberto Delgado
Sat 11/14
7:05 am-11:00 pm
2 stops22h 55m
$1,172
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/24
9:19 am-10:55 am
2 stops18h 36m
Lisbon Humberto Delgado
Wed 7/29
5:00 am-5:27 pm
2 stops19h 27m
$1,327
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Denver with our price prediction graph.
DEN-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Lisbon
How far ahead should I book a flight from Denver to Lisbon?
Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Denver to Lisbon?
Currently, February is the cheapest month in which you can book a flight from Denver to Lisbon (average of $630). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,332). 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 July 4, 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.
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Entertainment
7.5
Boarding
7.3
Crew
7.8
Food
7.5
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Related info for your journey
Find useful and relevant information for your journey from Denver to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Beja
Torres Vedras
Nazaré
Colares
Sesimbra
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Other flights to Lisbon
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Top 10 airlines flying from Denver to Lisbon
Discover the top 10 airlines that operate flights from Denver to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$563 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$902 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$941 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$576 | Average$975 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$596 | Average$1,000 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$622 | Average$879 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$761 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$651 | Average$1,179 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$671 | Average$883 | FlexibilityNo cancel fee | On-time75% |