$366+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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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
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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 May 6, 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 May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 11/207:20 pm
DEN
- LIS
1 stop32h 20m
Turkish Airlines
Thu 11/264:05 pm
LIS
- DEN
1 stop32h 30m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$840
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 pm
DEN
- LIS
1 stop36h 45m
Turkish Airlines
Sat 11/285:55 am
LIS
- DEN
1 stop18h 40m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$848
This FlightHub deal was found by Cheapflights users on 5/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:25 pm
DEN
- LIS
1 stop19h 50m
Turkish Airlines
Mon 10/265:55 am
LIS
- DEN
1 stop18h 40m
Turkish Airlines
Deal found 5/2![Turkish Airlines logo]()
$849
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:20 pm
DEN
- LIS
1 stop31h 40m
Turkish Airlines
Tue 12/15:55 am
LIS
- DEN
1 stop18h 40m
Turkish Airlines
Deal found 5/4![Turkish Airlines logo]()
$850
This Justfly.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Wed 8/2610:55 am
LIS
- DEN
1 stop38h 30m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$851
This Finnair deal was found by Cheapflights users on 5/6. 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 10/276:25 pm
DEN
- LIS
1 stop21h 20m
Multiple Airlines
Mon 11/24:10 pm
LIS
- DEN
2 stops35h 03m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$855
This British Airways deal was found by Cheapflights users on 5/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:25 pm
DEN
- LIS
1 stop17h 15m
British Airways
Thu 12/33:55 pm
LIS
- DEN
1 stop30h 35m
British Airways
Deal found 5/4![British Airways logo]()
$856
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 11/15:25 pm
DEN
- LIS
1 stop17h 20m
American Airlines
Sun 11/157:45 am
LIS
- DEN
2 stops19h 10m
American Airlines
Deal found 5/5![American Airlines logo]()
$857
This Priceline deal was found by Cheapflights users on 5/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:25 pm
DEN
- LIS
1 stop17h 35m
Multiple Airlines
Thu 11/266:30 am
LIS
- DEN
2 stops20h 43m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$858
This Air Canada deal was found by Cheapflights users on 5/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am
DEN
- LIS
2 stops16h 40m
Air Canada
Wed 11/45:00 am
LIS
- DEN
2 stops19h 44m
Air Canada
Deal found 5/4![Air Canada logo]()
$859
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 11/1810:20 am
DEN
- LIS
1 stop14h 50m
United Airlines
Fri 11/275:00 am
LIS
- DEN
1 stop18h 00m
United Airlines
Deal found 5/1![United Airlines logo]()
$860
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 12/69:35 am
DEN
- LIS
1 stop15h 35m
United Airlines
Fri 1/85:00 am
LIS
- DEN
1 stop18h 00m
United Airlines
Deal found 5/3![United Airlines logo]()
$861
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 8/96:40 am
DEN
- LIS
1 stop18h 20m
Delta
Wed 8/195:35 am
LIS
- DEN
1 stop17h 05m
Delta
Deal found 5/5![Delta logo]()
$975
This British Airways deal was found by Cheapflights users on 5/5. 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 8/96:40 pm
DEN
- LIS
1 stop16h 05m
British Airways
Mon 8/176:45 pm
LIS
- DEN
1 stop28h 45m
British Airways
Deal found 5/5![British Airways logo]()
$980
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 7/611:25 am
DEN
- LIS
1 stop14h 55m
United Airlines
Tue 7/2111:25 am
LIS
- DEN
1 stop14h 35m
United Airlines
Deal found 5/1![United Airlines logo]()
$985
This Delta deal was found by Cheapflights users on 5/5. 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 9/3012:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Tue 10/135:00 am
LIS
- DEN
2 stops19h 30m
Delta
Deal found 5/5![Delta logo]()
$982
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Fri 8/285:35 pm
DEN
- LIS
2 stops56h 45m
United Airlines
Thu 9/105:05 am
LIS
- DEN
1 stop17h 35m
United Airlines
Deal found 5/3![United Airlines logo]()
$986
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 7/3111:59 pm
DEN
- LIS
1 stop27h 36m
United Airlines
Fri 8/1411:25 am
LIS
- DEN
1 stop30h 08m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,037
This Delta deal was found by Cheapflights users on 5/2. 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.
Wed 9/2312:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Sat 10/105:00 am
LIS
- DEN
2 stops22h 23m
Delta
Deal found 5/2![Delta logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 6/311:25 am
DEN
- LIS
1 stop14h 55m
United Airlines
Tue 6/166:15 am
LIS
- DEN
1 stop15h 05m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,305
This Delta deal was found by Cheapflights users on 5/3. 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.
Mon 6/110:48 am
DEN
- LIS
2 stops17h 07m
Delta
Fri 6/195:00 am
LIS
- DEN
2 stops22h 02m
Delta
Deal found 5/3![Delta logo]()
$1,325
This United Airlines deal was found by Cheapflights users on 5/5. 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 6/66:10 pm
DEN
- LIS
1 stop33h 55m
United Airlines
Thu 6/186:15 am
LIS
- DEN
1 stop15h 05m
United Airlines
Deal found 5/5![United Airlines logo]()
$1,310
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 6/66:10 pm
DEN
- LIS
1 stop33h 55m
United Airlines
Wed 6/176:15 am
LIS
- DEN
1 stop19h 35m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,310
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated May 6, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:05 pm
DEN
- LIS
1 stop14h 35m
Lufthansa
Thu 5/217:25 am
LIS
- DEN
1 stop15h 15m
Lufthansa
Deal found 5/4![Lufthansa logo]()
$952
This Mytrip deal was found by Cheapflights users on 5/2. 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 6/212:15 pm
DEN
- LIS
3 stops35h 15m
Multiple Airlines
Tue 6/166:30 am
LIS
- DEN
3 stops35h 50m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$907
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Tue 6/212:15 pm
DEN
- LIS
3 stops35h 15m
Multiple Airlines
Tue 6/96:30 am
LIS
- DEN
3 stops35h 50m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$932
This Mytrip deal was found by Cheapflights users on 5/4. 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.
Tue 6/212:15 pm
DEN
- LIS
3 stops35h 15m
Multiple Airlines
Mon 6/158:15 am
LIS
- DEN
3 stops34h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$966
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 May 6, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm
DEN
- LIS
3 stops40h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 9/204:40 pm
DEN
- LIS
2 stops19h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 10/164:40 pm
DEN
- LIS
3 stops33h 35m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 9/194:40 pm
DEN
- LIS
3 stops23h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:40 pm
DEN
- LIS
2 stops23h 50m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Tue 10/64:40 pm
DEN
- LIS
3 stops47h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 7/214:40 pm
DEN
- LIS
3 stops21h 05m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 9/174:40 pm
DEN
- LIS
3 stops40h 20m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$397
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $849 (FlightHub) |
One-way from | $366 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,083 |
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 May 6, 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 8/9
6:40 am-8:00 am
1 stop18h 20m
Lisbon Humberto Delgado
Wed 8/19
5:35 am-3:40 pm
1 stop17h 05m
$975
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 8/9
6:40 pm-5:45 pm
1 stop16h 05m
Lisbon Humberto Delgado
Mon 8/17
6:45 pm-4:30 pm
1 stop28h 45m
$980
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/30
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Tue 10/13
5:00 am-5:30 pm
2 stops19h 30m
$982
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 7/6
11:25 am-9:20 am
1 stop14h 55m
Lisbon Humberto Delgado
Tue 7/21
11:25 am-7:00 pm
1 stop14h 35m
$985
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 8/28
5:35 pm-9:20 am
2 stops56h 45m
Lisbon Humberto Delgado
Thu 9/10
5:05 am-3:40 pm
1 stop17h 35m
$986
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/31
11:59 pm-10:35 am
1 stop27h 36m
Lisbon Humberto Delgado
Fri 8/14
11:25 am-10:33 am
1 stop30h 08m
$1,037
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/23
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Sat 10/10
5:00 am-8:23 pm
2 stops22h 23m
$1,042
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 6/3
11:25 am-9:20 am
1 stop14h 55m
Lisbon Humberto Delgado
Tue 6/16
6:15 am-2:20 pm
1 stop15h 05m
$1,305
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 6/6
6:10 pm-11:05 am
1 stop33h 55m
Lisbon Humberto Delgado
Thu 6/18
6:15 am-2:20 pm
1 stop15h 05m
$1,310
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 6/6
6:10 pm-11:05 am
1 stop33h 55m
Lisbon Humberto Delgado
Wed 6/17
6:15 am-6:50 pm
1 stop19h 35m
$1,310
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 May.
| 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 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, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $626). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,279). 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 May 6, 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
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Entertainment
7.5
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Entertainment
7.5
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Entertainment
7.5
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Entertainment
7.5
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Entertainment
7.5
Crew
7.8
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - 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
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Costa da Caparica
Torres Vedras
Nazaré
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Sesimbra
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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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$895 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$992 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$578 | Average$978 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$595 | Average$956 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$599 | Average$764 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$603 | Average$984 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$725 | FlexibilityNo cancel fee | On-time77% |