$349+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Oct 15 — Oct 221
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
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 September 15, 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 September 15, 2026.
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 am -
1 stop16h 40m
Tue 11/36:05 am -
1 stop15h 25m
Deal found 9/10![Multiple Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:25 am -
1 stop16h 15m
Tue 11/1712:50 pm -
1 stop14h 37m
Deal found 9/11![Multiple Airlines logo]()
$562
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:25 am -
1 stop16h 15m
Thu 11/198:55 am -
1 stop18h 32m
Deal found 9/10![Multiple Airlines logo]()
$567
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:40 pm -
1 stop32h 40m
Tue 11/2412:50 pm -
1 stop14h 37m
Deal found 9/11![Multiple Airlines logo]()
$572
This Justfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:25 am -
1 stop16h 15m
Tue 11/1712:50 pm -
2 stops33h 00m
Deal found 9/11![Air Canada logo]()
$575
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:30 pm -
2 stops14h 10m
Tue 11/1712:50 pm -
2 stops52h 45m
Deal found 9/11![Air Canada logo]()
$576
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:30 pm -
1 stop13h 50m
Tue 11/36:05 am -
1 stop15h 25m
Deal found 9/10![Multiple Airlines logo]()
$579
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:25 am -
1 stop16h 15m
Sun 11/85:15 am -
1 stop16h 15m
Deal found 9/10![United Airlines logo]()
$640
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:28 am -
1 stop14h 32m
Sun 11/85:30 am -
2 stops24h 42m
Deal found 9/11![Delta logo]()
$657
This KLM deal was found by Cheapflights users on 9/12. 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 11/72:36 pm -
2 stops17h 34m
Sat 11/1411:15 am -
2 stops19h 00m
Deal found 9/12![Multiple Airlines logo]()
$719
This Finnair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:39 am -
2 stops22h 11m
Wed 10/284:10 pm -
2 stops35h 37m
Deal found 9/11![Finnair logo]()
$884
This Turkish Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
2 stops50h 35m
Sun 10/2511:35 am -
1 stop36h 50m
Deal found 9/11![Turkish Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:31 pm -
2 stops30h 24m
Sun 11/812:20 pm -
1 stop18h 59m
Deal found 9/13![United Airlines logo]()
$649
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/305:40 pm -
1 stop17h 10m
Tue 10/135:00 am -
2 stops19h 47m
Deal found 9/14![Delta logo]()
$782
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:25 pm -
2 stops16h 30m
Wed 10/145:35 am -
2 stops21h 38m
Deal found 9/10![Delta logo]()
$846
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated September 15, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 am -
1 stop16h 40m
Tue 11/36:05 am -
1 stop15h 25m
Deal found 9/10![Multiple Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:40 pm -
1 stop33h 40m
Fri 11/66:00 am -
1 stop15h 30m
Deal found 9/14![Multiple Airlines logo]()
$577
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:30 pm -
1 stop13h 50m
Tue 11/36:05 am -
1 stop15h 25m
Deal found 9/10![Multiple Airlines logo]()
$579
This Iberia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:01 pm -
1 stop14h 49m
Fri 11/68:20 am -
2 stops21h 34m
Deal found 9/10![Multiple Airlines logo]()
$583
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:01 pm -
1 stop17h 44m
Fri 11/67:05 am -
1 stop15h 05m
Deal found 9/11![British Airways logo]()
$587
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:40 am -
1 stop20h 25m
Fri 11/66:00 am -
1 stop15h 30m
Deal found 9/10![United Airlines logo]()
$591
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 pm -
2 stops30h 55m
Tue 11/36:05 am -
1 stop15h 25m
Deal found 9/10![United Airlines logo]()
$594
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:20 am -
1 stop14h 40m
Fri 11/610:00 am -
1 stop17h 42m
Deal found 9/10![Delta logo]()
$596
This Finnair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:07 pm -
2 stops20h 18m
Tue 11/34:10 pm -
2 stops34h 43m
Deal found 9/12![Finnair logo]()
$598
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:01 pm -
1 stop14h 49m
Mon 11/212:55 pm -
1 stop33h 15m
Deal found 9/11![British Airways logo]()
$599
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 September 15, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/43:40 pm -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$349
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:25 am -
1 stop12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$352
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1111:25 am -
1 stop16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/303:40 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:40 pm -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$359
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:01 pm -
1 stop21h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$362
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/105:01 pm -
1 stop17h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![British Airways logo]()
$370
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Mon 12/285:01 pm -
1 stop36h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/153:40 pm -
3 stops38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$373
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 September 15, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $557 (Gotogate) |
One-way from | $327 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,040 |
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 September 15, 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
Wed 3/10
5:01 pm-5:45 pm
1 stop17h 44m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$370
Quickest round-trip
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Wed 3/10
11:15 am-10:20 am
2 stops16h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$376
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
Mon 11/2
11:25 am-10:40 am
1 stop16h 15m
Lisbon Humberto Delgado
Sun 11/8
5:15 am-2:30 pm
1 stop16h 15m
$640
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Tue 11/3
5:31 pm-6:55 am
2 stops30h 24m
Lisbon Humberto Delgado
Sun 11/8
12:20 pm-12:19 am
1 stop18h 59m
$649
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Mon 11/2
11:28 am-9:00 am
1 stop14h 32m
Lisbon Humberto Delgado
Sun 11/8
5:30 am-11:12 pm
2 stops24h 42m
$657
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 11/7
2:36 pm-3:10 pm
2 stops17h 34m
Lisbon Humberto Delgado
Sat 11/14
11:15 am-11:15 pm
2 stops19h 00m
$719
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Wed 9/30
5:40 pm-5:50 pm
1 stop17h 10m
Lisbon Humberto Delgado
Tue 10/13
5:00 am-5:47 pm
2 stops19h 47m
$782
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Thu 10/8
6:05 pm-11:05 am
1 stop34h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$787
DenverLisbon
DEN Denver Intl - LIS Lisbon Humberto Delgado
DENLIS
Denver Intl
Sat 10/3
3:25 pm-2:55 pm
2 stops16h 30m
Lisbon Humberto Delgado
Wed 10/14
5:35 am-8:13 pm
2 stops21h 38m
$846
Showing 1-10 of 14 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 September.
| 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 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 $1,338). 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 $942 and $1,208 in October.The cheapest round-trip price found within the last 5 days was $557 on Multiple Airlines (Oct 18-Nov 3).
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 September 15, 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
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - IST
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Comfort
7.3
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2026
LAX - 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
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Browse other Denver and Lisbon flight options. Last updated on September 15, 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 September 15, 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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$558 | Average$962 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$1,107 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$575 | Average$1,031 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$904 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$575 | Average$691 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$575 | Average$883 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$632 | Average$888 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$761 | FlexibilityNo cancel fee | On-time77% |