$337+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jun 24 — Jul 11
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
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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 25, 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 25, 2026.
This Finnair deal was found by Cheapflights users on 5/20. 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 9/222:13 pm
DEN
- LIS
2 stops24h 42m
Finnair
Thu 11/194:10 pm
LIS
- DEN
2 stops32h 39m
Finnair
Deal found 5/20![Finnair logo]()
$911
This Air Canada deal was found by Cheapflights users on 5/20. 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 9/239:40 am
DEN
- LIS
2 stops16h 40m
Air Canada
Thu 11/195:00 am
LIS
- DEN
2 stops19h 18m
Air Canada
Deal found 5/20![Air Canada logo]()
$912
This United Airlines deal was found by Cheapflights users on 5/21. 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 12/276:00 am
DEN
- LIS
1 stop21h 15m
United Airlines
Tue 1/56:10 am
LIS
- DEN
1 stop15h 25m
United Airlines
Deal found 5/21![United Airlines logo]()
$914
This Mytrip deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm
DEN
- LIS
2 stops21h 20m
Multiple Airlines
Thu 9/1711:35 am
LIS
- DEN
3 stops30h 45m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$915
This Mytrip deal was found by Cheapflights users on 5/21. 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 9/84:40 pm
DEN
- LIS
2 stops22h 50m
Multiple Airlines
Tue 9/226:15 am
LIS
- DEN
2 stops21h 02m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$916
This American Airlines deal was found by Cheapflights users on 5/21. 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 11/75:25 pm
DEN
- LIS
1 stop22h 05m
American Airlines
Sat 11/1411:05 am
LIS
- DEN
2 stops19h 15m
American Airlines
Deal found 5/21![American Airlines logo]()
$919
This Mytrip deal was found by Cheapflights users on 5/21. 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 9/154:40 pm
DEN
- LIS
3 stops20h 55m
Multiple Airlines
Tue 9/297:10 pm
LIS
- DEN
3 stops30h 50m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$924
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 10/302:00 pm
DEN
- LIS
1 stop13h 05m
American Airlines
Sat 11/711:05 am
LIS
- DEN
2 stops18h 17m
American Airlines
Deal found 5/21![American Airlines logo]()
$927
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Tue 9/155:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 5/20![Turkish Airlines logo]()
$928
This CheapOair deal was found by Cheapflights users on 5/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 pm
DEN
- LIS
2 stops32h 10m
Multiple Airlines
Sat 10/312:10 pm
LIS
- DEN
1 stop31h 20m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$929
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
DEN
- LIS
2 stops50h 35m
Turkish Airlines
Mon 9/284:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 5/20![Turkish Airlines logo]()
$930
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 5/22. 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 9/29:40 am
DEN
- LIS
1 stop16h 40m
United Airlines
Wed 9/165:05 am
LIS
- DEN
1 stop17h 35m
United Airlines
Deal found 5/22![United Airlines logo]()
$969
This Delta deal was found by Cheapflights users on 5/21. 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 9/156:30 am
DEN
- LIS
2 stops19h 20m
Delta
Tue 9/295:00 am
LIS
- DEN
2 stops24h 49m
Delta
Deal found 5/21![Delta logo]()
$985
This Scandinavian Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am
DEN
- LIS
3 stops27h 35m
Scandinavian Airlines
Sat 11/77:05 am
LIS
- DEN
2 stops22h 55m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$1,648
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:05 am
DEN
- LIS
2 stops19h 45m
Delta
Sun 10/185:35 am
LIS
- DEN
2 stops19h 00m
Delta
Deal found 5/20![Delta logo]()
$1,049
This United Airlines deal was found by Cheapflights users on 5/24. 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 7/311:59 pm
DEN
- LIS
2 stops50h 21m
United Airlines
Mon 7/1311:25 am
LIS
- DEN
2 stops31h 55m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,053
This Delta deal was found by Cheapflights users on 5/20. 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 10/112:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Mon 10/125:00 am
LIS
- DEN
2 stops20h 10m
Delta
Deal found 5/20![Delta logo]()
$1,102
This Delta deal was found by Cheapflights users on 5/22. 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 6/712:12 pm
DEN
- LIS
2 stops19h 43m
Delta
Wed 7/15:00 am
LIS
- DEN
2 stops22h 02m
Delta
Deal found 5/22![Delta logo]()
$1,489
This Scandinavian Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:57 pm
DEN
- LIS
3 stops26h 08m
Scandinavian Airlines
Mon 8/317:00 am
LIS
- DEN
2 stops22h 49m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$1,929
This Delta deal was found by Cheapflights users on 5/20. 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 6/712:12 pm
DEN
- LIS
2 stops19h 43m
Delta
Mon 6/155:00 am
LIS
- DEN
2 stops22h 44m
Delta
Deal found 5/20![Delta logo]()
$1,560
This KAYAK deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:40 am
DEN
- LIS
1 stop16h 05m
Air France
Fri 10/2310:00 am
LIS
- DEN
1 stop15h 18m
Air France
Deal found 5/21![Air France logo]()
$6,266
This Scandinavian Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:35 am
DEN
- LIS
3 stops26h 10m
Scandinavian Airlines
Sat 6/207:15 am
LIS
- DEN
2 stops22h 51m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$6,269
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated May 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/24. 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 6/46:10 pm
DEN
- LIS
2 stops21h 25m
Multiple Airlines
Mon 6/86:15 am
LIS
- DEN
3 stops47h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,008
This Mytrip deal was found by Cheapflights users on 5/23. 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 6/86:10 pm
DEN
- LIS
2 stops29h 20m
Multiple Airlines
Fri 6/1210:15 pm
LIS
- DEN
3 stops43h 19m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,132
This Mytrip deal was found by Cheapflights users on 5/20. 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 6/1612:15 pm
DEN
- LIS
3 stops26h 30m
Multiple Airlines
Thu 7/1610:40 am
LIS
- DEN
2 stops31h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,054
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:10 pm
DEN
- LIS
2 stops20h 35m
Multiple Airlines
Fri 6/2611:35 am
LIS
- DEN
1 stop15h 47m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,137
This Mytrip deal was found by Cheapflights users on 5/22. 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 6/216:10 pm
DEN
- LIS
2 stops20h 35m
Multiple Airlines
Sun 6/286:10 am
LIS
- DEN
2 stops36h 10m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,116
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 6/237:40 am
DEN
- LIS
1 stop20h 40m
Multiple Airlines
Tue 6/306:15 am
LIS
- DEN
2 stops36h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,040
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 25, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 11/113:40 pm
DEN
- LIS
2 stops24h 25m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 9/128:10 pm
DEN
- LIS
2 stops41h 55m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Thu 11/123:40 pm
DEN
- LIS
2 stops23h 30m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 8/278:10 pm
DEN
- LIS
2 stops44h 15m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Fri 11/133:40 pm
DEN
- LIS
3 stops22h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$359
This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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.
Wed 10/146:35 pm
DEN
- LIS
1 stop21h 40m
British Airways
Deal found 5/22![British Airways logo]()
$362
This Trip.com deal was found by Cheapflights users on 5/24. 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.
Wed 8/264:40 pm
DEN
- LIS
2 stops20h 20m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 5/23. 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
3 stops47h 25m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:40 pm
DEN
- LIS
2 stops22h 50m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$367
This British Airways deal was found by Cheapflights users on 5/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:25 pm
DEN
- LIS
1 stop33h 30m
British Airways
Deal found 5/25![British Airways logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 9/74:40 pm
DEN
- LIS
2 stops21h 30m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Sun 7/264:40 pm
DEN
- LIS
3 stops33h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$374
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $911 (Finnair) |
One-way from | $337 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,088 |
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 25, 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
Wed 9/2
9:40 am-9:20 am
1 stop16h 40m
Lisbon Humberto Delgado
Wed 9/16
5:05 am-3:40 pm
1 stop17h 35m
$969
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/15
6:30 am-8:50 am
2 stops19h 20m
Lisbon Humberto Delgado
Tue 9/29
5:00 am-10:49 pm
2 stops24h 49m
$985
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 10/11
6:05 am-8:50 am
2 stops19h 45m
Lisbon Humberto Delgado
Sun 10/18
5:35 am-5:35 pm
2 stops19h 00m
$1,049
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 7/3
11:59 pm-9:20 am
2 stops50h 21m
Lisbon Humberto Delgado
Mon 7/13
11:25 am-12:20 pm
2 stops31h 55m
$1,053
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Thu 10/1
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Mon 10/12
5:00 am-6:10 pm
2 stops20h 10m
$1,102
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 6/7
12:12 pm-2:55 pm
2 stops19h 43m
Lisbon Humberto Delgado
Wed 7/1
5:00 am-8:02 pm
2 stops22h 02m
$1,489
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sun 6/7
12:12 pm-2:55 pm
2 stops19h 43m
Lisbon Humberto Delgado
Mon 6/15
5:00 am-8:44 pm
2 stops22h 44m
$1,560
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 10/27
6:30 am-4:05 pm
3 stops27h 35m
Lisbon Humberto Delgado
Sat 11/7
7:05 am-11:00 pm
2 stops22h 55m
$1,648
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 8/1
12:57 pm-10:05 pm
3 stops26h 08m
Lisbon Humberto Delgado
Mon 8/31
7:00 am-10:49 pm
2 stops22h 49m
$1,929
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Fri 10/9
11:40 am-10:45 am
1 stop16h 05m
Lisbon Humberto Delgado
Fri 10/23
10:00 am-6:18 pm
1 stop15h 18m
$6,266
Showing 1-10 of 21 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 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, 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 $1,316). 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 25, 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.
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Related info for your journey
Find useful and relevant information for your journey from Denver to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra
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Alternative routes for Denver to Lisbon
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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
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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 May 25, 2026.
Denver and Lisbon flights
Browse other Denver and Lisbon flight options. Last updated on May 25, 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 May 25, 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 2,558,603 searches. Data last updated May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$852 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$904 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$987 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$578 | Average$982 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$596 | Average$995 | 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$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$635 | Average$733 | FlexibilityNo cancel fee | On-time77% |