$264+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jul 30 — Aug 61
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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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 June 30, 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 June 30, 2026.
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:15 am
DEN
- LIS
1 stop16h 25m
Air Canada
Tue 11/1012:50 pm
LIS
- DEN
1 stop14h 37m
Air Canada
Deal found 6/25![Air Canada logo]()
$738
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 11/1311:20 am
LIS
- DEN
1 stop16h 07m
Air Canada
Deal found 6/25![Air Canada logo]()
$743
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:20 pm
DEN
- LIS
1 stop12h 40m
Delta
Tue 11/1010:00 am
LIS
- DEN
1 stop15h 18m
Delta
Deal found 6/25![Delta logo]()
$746
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:01 pm
DEN
- LIS
1 stop14h 49m
British Airways
Wed 11/117:05 am
LIS
- DEN
1 stop15h 05m
British Airways
Deal found 6/25![British Airways logo]()
$748
This oojo deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:15 pm
DEN
- LIS
1 stop14h 05m
Lufthansa
Sat 11/75:00 am
LIS
- DEN
1 stop17h 35m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$763
This FlightHub deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:18 am
DEN
- LIS
2 stops39h 37m
Air Canada
Sat 11/75:00 am
LIS
- DEN
2 stops20h 03m
Air Canada
Deal found 6/25![Air Canada logo]()
$764
This Justfly.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:16 pm
DEN
- LIS
2 stops32h 49m
Air Canada
Wed 10/145:05 am
LIS
- DEN
2 stops25h 03m
Air Canada
Deal found 6/25![Air Canada logo]()
$775
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:05 pm
DEN
- LIS
1 stop31h 15m
United Airlines
Wed 10/1411:25 am
LIS
- DEN
1 stop30h 06m
United Airlines
Deal found 6/25![United Airlines logo]()
$787
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm
DEN
- LIS
1 stop13h 25m
Air Canada
Fri 11/1311:20 am
LIS
- DEN
1 stop16h 07m
Air Canada
Deal found 6/25![Air Canada logo]()
$793
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 pm
DEN
- LIS
1 stop34h 00m
Air Canada
Fri 10/231:00 pm
LIS
- DEN
2 stops34h 22m
Air Canada
Deal found 6/29![Air Canada logo]()
$794
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm
DEN
- LIS
1 stop14h 05m
Lufthansa
Wed 11/412:25 pm
LIS
- DEN
1 stop34h 10m
Lufthansa
Deal found 6/29![Lufthansa logo]()
$795
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 June 30, 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 June 30, 2026.
This Turkish Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Wed 9/164:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$877
This British Airways deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stop13h 55m
British Airways
Sun 9/276:50 pm
LIS
- DEN
1 stop28h 40m
British Airways
Deal found 6/27![British Airways logo]()
$890
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:40 am
DEN
- LIS
2 stops19h 10m
Delta
Sat 10/175:00 am
LIS
- DEN
2 stops19h 47m
Delta
Deal found 6/29![Delta logo]()
$919
This KLM deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:08 pm
DEN
- LIS
2 stops15h 27m
Multiple Airlines
Sun 7/1912:15 pm
LIS
- DEN
1 stop34h 25m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,407
This Turkish Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Fri 10/234:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:40 pm
DEN
- LIS
1 stop14h 15m
Delta
Wed 8/125:35 am
LIS
- DEN
1 stop17h 05m
Delta
Deal found 6/27![Delta logo]()
$977
This Turkish Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Wed 8/264:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 6/27![Turkish Airlines logo]()
$942
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:45 pm
DEN
- LIS
2 stops16h 10m
Delta
Sun 10/189:50 am
LIS
- DEN
2 stops20h 38m
Delta
Deal found 6/25![Delta logo]()
$996
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.
Fri 7/246:35 pm
DEN
- LIS
1 stop21h 35m
British Airways
Wed 7/293:15 pm
LIS
- DEN
1 stop32h 10m
British Airways
Deal found 6/29![British Airways logo]()
$1,403
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated June 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:15 pm
DEN
- LIS
1 stop23h 30m
United Airlines
Wed 7/295:05 am
LIS
- DEN
1 stop15h 25m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,034
This American Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:55 pm
DEN
- LIS
1 stop26h 10m
American Airlines
Tue 8/117:10 am
LIS
- DEN
2 stops19h 09m
American Airlines
Deal found 6/26![American Airlines logo]()
$1,016
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:35 pm
DEN
- LIS
1 stop21h 35m
British Airways
Mon 8/311:00 am
LIS
- DEN
1 stop36h 30m
British Airways
Deal found 6/29![British Airways logo]()
$1,011
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:35 pm
DEN
- LIS
1 stop14h 00m
British Airways
Tue 8/47:10 am
LIS
- DEN
1 stop16h 20m
British Airways
Deal found 6/29![British Airways logo]()
$969
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:33 am
DEN
- LIS
1 stop16h 12m
Delta
Tue 8/45:00 am
LIS
- DEN
2 stops21h 52m
Delta
Deal found 6/29![Delta logo]()
$980
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:00 am
DEN
- LIS
2 stops18h 20m
United Airlines
Tue 8/410:25 am
LIS
- DEN
1 stop20h 03m
United Airlines
Deal found 6/28![United Airlines logo]()
$994
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:40 pm
DEN
- LIS
1 stop17h 10m
Delta
Wed 8/55:35 am
LIS
- DEN
2 stops24h 59m
Delta
Deal found 6/29![Delta logo]()
$987
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 June 30, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
3 stops23h 45m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:40 pm
DEN
- LIS
2 stops24h 25m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$320
This Mytrip deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:40 pm
DEN
- LIS
2 stops21h 00m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:40 pm
DEN
- LIS
2 stops21h 25m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:40 pm
DEN
- LIS
3 stops44h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm
DEN
- LIS
2 stops24h 25m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$355
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:01 pm
DEN
- LIS
1 stop14h 49m
British Airways
Deal found 6/30![British Airways logo]()
$361
This Trip.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:40 pm
DEN
- LIS
2 stops23h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:40 pm
DEN
- LIS
3 stops43h 35m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$369
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 June 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $738 |
One-way from | $264 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,332 |
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 June 30, 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
Thu 9/10
8:25 pm-3:35 pm
1 stop36h 10m
Lisbon Humberto Delgado
Wed 9/16
4:45 pm-6:25 pm
1 stop32h 40m
$877
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/22
6:40 pm-3:35 pm
1 stop13h 55m
Lisbon Humberto Delgado
Sun 9/27
6:50 pm-4:30 pm
1 stop28h 40m
$890
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 9/19
8:25 pm-11:20 pm
1 stop19h 55m
Lisbon Humberto Delgado
Fri 10/23
4:45 pm-6:25 pm
1 stop32h 40m
$902
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 10/10
6:40 am-8:50 am
2 stops19h 10m
Lisbon Humberto Delgado
Sat 10/17
5:00 am-5:47 pm
2 stops19h 47m
$919
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 8/18
8:25 pm-11:20 pm
1 stop19h 55m
Lisbon Humberto Delgado
Wed 8/26
4:45 pm-6:25 pm
1 stop32h 40m
$942
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 8/5
5:40 pm-2:55 pm
1 stop14h 15m
Lisbon Humberto Delgado
Wed 8/12
5:35 am-3:40 pm
1 stop17h 05m
$977
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/8
3:45 pm-2:55 pm
2 stops16h 10m
Lisbon Humberto Delgado
Sun 10/18
9:50 am-11:28 pm
2 stops20h 38m
$996
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/24
6:35 pm-11:10 pm
1 stop21h 35m
Lisbon Humberto Delgado
Wed 7/29
3:15 pm-4:25 pm
1 stop32h 10m
$1,403
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/10
4:08 pm-2:35 pm
2 stops15h 27m
Lisbon Humberto Delgado
Sun 7/19
12:15 pm-3:40 pm
1 stop34h 25m
$1,407
Cheapest one-way
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 11/1
1:00 pm-3:10 pm
2 stops19h 10m
$380
Showing 1-10 of 18 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 June.
| 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 June 30, 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.
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Boarding
7.3
Overall
7.4
Entertainment
7.5
Food
7.5
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
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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 June 30, 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% |