$351+ Cheap flights from Denver (DEN) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Nov 3 — Nov 101
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 October 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 October 4, 2026.
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/4![Multiple Airlines logo]()
$530
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:40 pm -
2 stops23h 00m
Sat 11/216:10 am -
2 stops18h 50m
Deal found 10/3![Multiple Airlines logo]()
$613
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
2 stops21h 45m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/3![Multiple Airlines logo]()
$670
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 10/1![Icelandair logo]()
$677
This oojo deal was found by Cheapflights users on 9/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 9/30![Icelandair logo]()
$678
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
1 stop14h 05m
Thu 11/121:45 pm -
1 stop35h 15m
Deal found 10/1![Icelandair logo]()
$691
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:15 pm -
1 stop14h 15m
Thu 11/125:00 am -
1 stop17h 35m
Deal found 10/1![Lufthansa logo]()
$701
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:25 am -
1 stop12h 30m
Thu 12/35:00 am -
1 stop17h 35m
Deal found 10/1![Multiple Airlines logo]()
$705
This Expedia deal was found by Cheapflights users on 9/30. 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.
Tue 12/14:15 pm -
1 stop14h 10m
Tue 12/156:05 am -
1 stop15h 25m
Deal found 9/30![Lufthansa logo]()
$706
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:01 pm -
1 stop17h 44m
Wed 12/97:05 am -
1 stop15h 05m
Deal found 10/1![British Airways logo]()
$711
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:15 pm -
1 stop14h 15m
Mon 11/232:20 pm -
1 stop31h 10m
Deal found 10/1![Lufthansa logo]()
$713
This Gotogate deal was found by Cheapflights users on 9/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop13h 30m
Wed 11/42:15 pm -
1 stop31h 15m
Deal found 9/29![Multiple Airlines logo]()
$716
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 October 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 October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:15 am -
2 stops14h 55m
Sat 11/75:00 am -
1 stop17h 35m
Deal found 10/3![United Airlines logo]()
$856
This Delta deal was found by Cheapflights users on 10/3. 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.
Tue 10/275:00 pm -
2 stops16h 10m
Sat 11/75:00 am -
2 stops22h 13m
Deal found 10/3![Delta logo]()
$867
This Delta deal was found by Cheapflights users on 10/3. 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.
Sat 11/711:45 am -
2 stops20h 25m
Sat 11/145:00 am -
2 stops19h 37m
Deal found 10/3![Delta logo]()
$867
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:55 pm -
1 stop31h 15m
Mon 12/286:00 am -
1 stop15h 30m
Deal found 9/29![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:13 am -
2 stops14h 47m
Sun 12/2711:15 am -
2 stops29h 34m
Deal found 9/29![Delta logo]()
$890
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:41 am -
1 stop14h 14m
Sat 12/2611:15 am -
2 stops19h 01m
Deal found 9/29![Delta logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:30 pm -
1 stop20h 00m
Thu 12/316:05 am -
1 stop15h 25m
Deal found 9/29![United Airlines logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/176:05 pm -
1 stop34h 00m
Sat 10/3112:20 pm -
1 stop17h 59m
Deal found 9/30![United Airlines logo]()
$1,107
This Delta deal was found by Cheapflights users on 9/30. 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.
Wed 10/77:00 am -
2 stops18h 50m
Wed 10/285:30 am -
2 stops20h 36m
Deal found 9/30![Delta logo]()
$1,045
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:50 am -
2 stops15h 20m
Fri 12/116:00 am -
2 stops20h 39m
Deal found 10/3![United Airlines logo]()
$1,239
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated October 4, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop13h 30m
Wed 11/42:15 pm -
1 stop31h 15m
Deal found 9/29![Multiple Airlines logo]()
$716
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:40 pm -
1 stop14h 10m
Sun 11/152:00 pm -
1 stop35h 00m
Deal found 10/1![Icelandair logo]()
$677
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:40 pm -
1 stop14h 05m
Thu 11/121:45 pm -
1 stop35h 15m
Deal found 10/1![Icelandair logo]()
$691
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:15 pm -
1 stop14h 15m
Thu 11/125:00 am -
1 stop17h 35m
Deal found 10/1![Lufthansa logo]()
$701
This oojo deal was found by Cheapflights users on 9/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
1 stop14h 05m
Tue 11/171:55 pm -
1 stop35h 05m
Deal found 9/30![Icelandair logo]()
$678
This Gotogate deal was found by Cheapflights users on 9/30. 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.
Tue 11/101:30 pm -
1 stop12h 50m
Mon 11/162:20 pm -
1 stop31h 10m
Deal found 9/30![Multiple Airlines logo]()
$718
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
2 stops21h 45m
Sun 11/1510:05 pm -
2 stops26h 55m
Deal found 10/3![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:40 pm -
2 stops23h 00m
Sat 11/216:10 am -
2 stops18h 50m
Deal found 10/3![Multiple Airlines logo]()
$613
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:40 pm -
2 stops21h 00m
Mon 11/2310:00 pm -
2 stops27h 00m
Deal found 10/4![Multiple Airlines logo]()
$530
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:15 pm -
1 stop14h 15m
Mon 11/232:20 pm -
1 stop31h 10m
Deal found 10/1![Lufthansa logo]()
$713
This Gotogate deal was found by Cheapflights users on 10/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:25 am -
1 stop12h 30m
Thu 12/35:00 am -
1 stop17h 35m
Deal found 10/1![Multiple Airlines logo]()
$705
This Expedia deal was found by Cheapflights users on 9/30. 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 11/3011:25 am -
1 stop16h 15m
Wed 12/91:40 pm -
2 stops37h 47m
Deal found 9/30![Multiple Airlines logo]()
$717
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 October 4, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Thu 12/34:40 pm -
2 stops38h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Thu 10/294:40 pm -
3 stops45h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Wed 10/2810:39 am -
3 stops41h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Wed 11/113:40 pm -
3 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$374
This Mytrip deal was found by Cheapflights users on 10/2. 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.
Tue 10/274:40 pm -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:55 pm -
2 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$396
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:40 pm -
1 stop14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Icelandair logo]()
$432
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 October 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $530 (Mytrip) |
One-way from | $351 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $940 |
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 7,457,451 searches. Data last updated October 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 Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/7
10:55 pm-11:35 am
2 stops29h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$396
Quickest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sun 11/1
11:28 am-8:55 am
1 stop14h 27m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sun 11/1
6:00 am-10:05 am
2 stops21h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/7
11:59 pm-8:10 am
2 stops25h 11m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/21
4:12 pm-8:10 am
1 stop32h 58m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$571
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Tue 10/27
11:15 am-8:10 am
2 stops14h 55m
Lisbon Humberto Delgado
Sat 11/7
5:00 am-3:35 pm
1 stop17h 35m
$856
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Tue 10/27
5:00 pm-3:10 pm
2 stops16h 10m
Lisbon Humberto Delgado
Sat 11/7
5:00 am-8:13 pm
2 stops22h 13m
$867
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/7
11:45 am-3:10 pm
2 stops20h 25m
Lisbon Humberto Delgado
Sat 11/14
5:00 am-5:37 pm
2 stops19h 37m
$867
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 12/12
5:55 pm-8:10 am
1 stop31h 15m
Lisbon Humberto Delgado
Mon 12/28
6:00 am-2:30 pm
1 stop15h 30m
$876
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 12/7
11:13 am-9:00 am
2 stops14h 47m
Lisbon Humberto Delgado
Sun 12/27
11:15 am-9:49 am
2 stops29h 34m
$890
Showing 1-10 of 15 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 October.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Denver to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $624). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,352). 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?
Airfare is below average for this route at the moment.
Denver to Lisbon flights typically cost between $778 and $1,101 in November.The cheapest round-trip price found within the last 5 days was $530 on Multiple Airlines (Nov 16-Nov 23).
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 October 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
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Entertainment
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Entertainment
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Entertainment
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Entertainment
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Entertainment
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - 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
Torres Vedras
Beja
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 October 4, 2026.
Denver and Lisbon flights
Browse other Denver and Lisbon flight options. Last updated on October 4, 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 October 4, 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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$558 | Average$956 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$574 | Average$1,035 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$691 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$575 | Average$883 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$603 | Average$881 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$620 | Average$941 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$761 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$668 | Average$1,046 | FlexibilityNo cancel fee | On-time67% |