$369+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
May 13 — May 201
Round-trip
1 adult, Economy
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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 April 13, 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 April 13, 2026.
This Turkish Airlines deal was found by Cheapflights users on 4/8. 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 4/238:25 pm
DEN
- LIS
1 stop36h 00m
Turkish Airlines
Wed 5/64:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$695
This SmartFares deal was found by Cheapflights users on 4/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Thu 8/275:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 8/238:25 pm
DEN
- LIS
1 stop19h 50m
Turkish Airlines
Sun 8/305:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/308:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Mon 5/44:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$706
This FlightHub deal was found by Cheapflights users on 4/9. 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
Sat 9/265:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Tue 9/228:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 10/65:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/12![Turkish Airlines logo]()
$715
This FlightHub deal was found by Cheapflights users on 4/8. 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 9/228:25 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Fri 10/94:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$716
This FlightHub deal was found by Cheapflights users on 4/9. 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 8/258:25 pm
DEN
- LIS
1 stop30h 25m
Turkish Airlines
Sat 8/295:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$718
This FlightHub deal was found by Cheapflights users on 4/8. 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.
Sat 4/258:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Sat 5/95:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$722
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Sat 9/265:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/10![Turkish Airlines logo]()
$723
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 April 13, 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 April 13, 2026.
This Delta deal was found by Cheapflights users on 4/7. 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 4/251:46 pm
DEN
- LIS
2 stops21h 04m
Delta
Wed 5/65:00 am
LIS
- DEN
2 stops21h 42m
Delta
Deal found 4/7![Delta logo]()
$839
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
DEN
- LIS
2 stops44h 50m
Turkish Airlines
Sun 8/305:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/12![Turkish Airlines logo]()
$845
This Turkish Airlines deal was found by Cheapflights users on 4/8. 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 10/33:15 pm
DEN
- LIS
2 stops25h 05m
Multiple Airlines
Wed 10/1410:55 am
LIS
- DEN
1 stop38h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 4/7. 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 4/276:40 am
DEN
- LIS
1 stop18h 20m
Delta
Tue 5/510:00 am
LIS
- DEN
1 stop16h 42m
Delta
Deal found 4/7![Delta logo]()
$846
This Air France deal was found by Cheapflights users on 4/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:00 pm
DEN
- LIS
2 stops15h 55m
Multiple Airlines
Sun 8/3011:55 am
LIS
- DEN
2 stops18h 50m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$940
This Delta deal was found by Cheapflights users on 4/9. 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 9/3011:40 am
DEN
- LIS
2 stops20h 15m
Delta
Tue 10/135:00 am
LIS
- DEN
2 stops19h 35m
Delta
Deal found 4/9![Delta logo]()
$879
This Delta deal was found by Cheapflights users on 4/10. 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.
Mon 9/216:30 am
DEN
- LIS
1 stop18h 30m
Delta
Sat 10/35:35 am
LIS
- DEN
1 stop17h 05m
Delta
Deal found 4/10![Delta logo]()
$932
This Turkish Airlines deal was found by Cheapflights users on 4/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
DEN
- LIS
2 stops50h 45m
Multiple Airlines
Wed 10/145:55 am
LIS
- DEN
2 stops24h 23m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$1,058
This Delta deal was found by Cheapflights users on 4/10. 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 10/36:30 am
DEN
- LIS
2 stops19h 20m
Delta
Wed 10/145:00 am
LIS
- DEN
2 stops19h 35m
Delta
Deal found 4/10![Delta logo]()
$940
This Delta deal was found by Cheapflights users on 4/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:20 pm
DEN
- LIS
2 stops19h 35m
Delta
Sun 9/279:50 am
LIS
- DEN
2 stops20h 40m
Delta
Deal found 4/12![Delta logo]()
$947
This Delta deal was found by Cheapflights users on 4/8. 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 5/99:12 am
DEN
- LIS
2 stops19h 03m
Delta
Sun 5/1711:55 am
LIS
- DEN
2 stops19h 38m
Delta
Deal found 4/8![Delta logo]()
$1,036
Last-minute flights from Denver to LisbonDiscover last-minute flight deals from Denver to Lisbon. Data last updated April 13, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Lisbon. Data last updated April 13, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/8. 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 4/128:25 pm
DEN
- LIS
1 stop30h 30m
Turkish Airlines
Mon 4/204:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$742
This FlightHub deal was found by Cheapflights users on 4/9. 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 4/218:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/195:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$726
This Turkish Airlines deal was found by Cheapflights users on 4/8. 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 4/238:25 pm
DEN
- LIS
1 stop36h 00m
Turkish Airlines
Wed 5/64:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$695
This FlightHub deal was found by Cheapflights users on 4/8. 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.
Sat 4/258:25 pm
DEN
- LIS
1 stop36h 10m
Turkish Airlines
Sat 5/95:05 pm
LIS
- DEN
1 stop32h 20m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$722
This KAYAK deal was found by Cheapflights users on 4/8. 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.
Sun 4/268:25 pm
DEN
- LIS
1 stop30h 30m
Turkish Airlines
Wed 5/64:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$735
This Turkish Airlines deal was found by Cheapflights users on 4/8. 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 4/268:25 pm
DEN
- LIS
1 stop30h 30m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$740
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/55:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/9![Turkish Airlines logo]()
$706
This Justfly.com deal was found by Cheapflights users on 4/8. 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 4/288:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Mon 5/44:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/308:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Mon 5/44:45 pm
LIS
- DEN
1 stop32h 40m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$700
This FlightHub deal was found by Cheapflights users on 4/8. 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 5/58:25 pm
DEN
- LIS
1 stop19h 55m
Turkish Airlines
Tue 5/265:55 am
LIS
- DEN
1 stop19h 30m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$741
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 April 13, 2026.
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated April 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 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 4/10![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 9/284:40 pm
DEN
- LIS
2 stops23h 20m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 8/174:15 pm
DEN
- LIS
2 stops22h 05m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 9/278:00 pm
DEN
- LIS
1 stop30h 00m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 10/24:40 pm
DEN
- LIS
2 stops17h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Mon 8/108:10 pm
DEN
- LIS
3 stops30h 05m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/11. 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.
Sun 9/204:40 pm
DEN
- LIS
3 stops43h 15m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 8/164:15 pm
DEN
- LIS
2 stops23h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Tue 8/114:40 pm
DEN
- LIS
3 stops46h 05m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 8/184:15 pm
DEN
- LIS
2 stops20h 00m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$403
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 April 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $695 (Turkish Airlines) |
One-way from | $369 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $805 |
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 April 13, 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
Sat 4/25
1:46 pm-5:50 pm
2 stops21h 04m
Lisbon Humberto Delgado
Wed 5/6
5:00 am-7:42 pm
2 stops21h 42m
$839
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 8/18
6:00 am-9:50 am
2 stops44h 50m
Lisbon Humberto Delgado
Sun 8/30
5:55 am-6:25 pm
1 stop19h 30m
$845
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 4/27
6:40 am-8:00 am
1 stop18h 20m
Lisbon Humberto Delgado
Tue 5/5
10:00 am-7:42 pm
1 stop16h 42m
$846
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 10/3
3:15 pm-11:20 pm
2 stops25h 05m
Lisbon Humberto Delgado
Wed 10/14
10:55 am-6:25 pm
1 stop38h 30m
$849
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Wed 9/30
11:40 am-2:55 pm
2 stops20h 15m
Lisbon Humberto Delgado
Tue 10/13
5:00 am-5:35 pm
2 stops19h 35m
$879
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Mon 9/21
6:30 am-8:00 am
1 stop18h 30m
Lisbon Humberto Delgado
Sat 10/3
5:35 am-3:40 pm
1 stop17h 05m
$932
Quickest round-trip
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 8/18
4:00 pm-2:55 pm
2 stops15h 55m
Lisbon Humberto Delgado
Sun 8/30
11:55 am-11:45 pm
2 stops18h 50m
$940
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 10/3
6:30 am-8:50 am
2 stops19h 20m
Lisbon Humberto Delgado
Wed 10/14
5:00 am-5:35 pm
2 stops19h 35m
$940
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Tue 9/22
12:20 pm-2:55 pm
2 stops19h 35m
Lisbon Humberto Delgado
Sun 9/27
9:50 am-11:30 pm
2 stops20h 40m
$947
DenverLisbon
DEN - LIS
DENLIS
Denver Intl
Sat 5/9
9:12 am-11:15 am
2 stops19h 03m
Lisbon Humberto Delgado
Sun 5/17
11:55 am-12:33 am
2 stops19h 38m
$1,036
Showing 1-10 of 22 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Lisbon. Price data was last updated on April 10, 2026.
Booking 44 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, November is the cheapest month in which you can book a flight from Denver to Lisbon (average of $513). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,016). 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 April 13, 2026.
See what other customers who have flown with United Airlines,Turkish 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
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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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Other flights from Denver
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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 April 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$464 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$874 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$1,034 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$575 | Average$967 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$595 | Average$930 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$599 | Average$686 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$603 | Average$984 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$828 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$630 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$640 | Average$709 | FlexibilityNo cancel fee | On-time77% |