$259+ Cheap flights from Las Vegas (LAS) to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Las Vegas to Portugal
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Cheapest flights from Las Vegas to PortugalExplore the most affordable flight options available from Las Vegas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Las Vegas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:20 pm -
1 stop13h 00m
Tue 12/1512:50 pm -
1 stop30h 25m
Deal found 10/22![Air Canada logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/259:13 am -
1 stop18h 17m
Thu 12/312:35 pm -
2 stops51h 41m
Deal found 10/25![Multiple Airlines logo]()
$762
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![KLM logo]()
$769
This Delta deal was found by Cheapflights users on 10/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:25 pm -
1 stop15h 45m
Thu 12/35:00 am -
1 stop17h 15m
Deal found 10/23![Delta logo]()
$778
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![Delta logo]()
$779
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:59 am -
1 stop14h 01m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![Multiple Airlines logo]()
$779
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:55 am -
2 stops18h 35m
Deal found 10/25![Air France logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/257:40 am -
1 stop18h 40m
Thu 12/35:00 am -
1 stop17h 35m
Deal found 10/22![United Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:40 am -
1 stop17h 50m
Wed 12/166:00 am -
3 stops25h 42m
Deal found 10/25![United Airlines logo]()
$784
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:25 pm -
1 stop15h 45m
Wed 12/165:30 am -
1 stop15h 40m
Deal found 10/25![Air France logo]()
$785
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:55 pm -
1 stop31h 10m
Tue 12/1511:05 am -
2 stops18h 07m
Deal found 10/22![American Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/3011:45 pm -
2 stops25h 45m
Tue 12/1512:35 pm -
2 stops18h 18m
Deal found 10/25![United Airlines logo]()
$789
Best flights from Las Vegas to PortugalDiscover carefully curated flight deals from Las Vegas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Las Vegas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 4/136:00 am -
2 stops19h 45m
Mon 4/196:00 am -
1 stop18h 20m
Deal found 10/22![United Airlines logo]()
$757
This Justfly.com deal was found by Cheapflights users on 10/25. 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.
Tue 4/139:05 am -
2 stops40h 15m
Mon 4/194:35 pm -
2 stops32h 22m
Deal found 10/25![Multiple Airlines logo]()
$764
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![KLM logo]()
$769
This British Airways deal was found by Cheapflights users on 10/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:55 pm -
1 stop34h 00m
Tue 1/1210:40 am -
1 stop36h 35m
Deal found 10/22![British Airways logo]()
$811
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:52 am -
2 stops17h 43m
Thu 12/175:00 am -
2 stops23h 07m
Deal found 10/26![Delta logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/912:58 pm -
1 stop12h 32m
Wed 12/166:00 am -
2 stops26h 30m
Deal found 10/25![United Airlines logo]()
$784
This British Airways deal was found by Cheapflights users on 10/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:55 pm -
1 stop34h 30m
Mon 12/145:15 pm -
1 stop33h 35m
Deal found 10/22![British Airways logo]()
$832
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/3011:45 pm -
2 stops25h 45m
Tue 12/1512:35 pm -
2 stops18h 18m
Deal found 10/25![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 1/510:40 pm -
2 stops24h 15m
Wed 1/135:00 am -
2 stops20h 57m
Deal found 10/24![United Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/24:10 pm -
1 stop33h 20m
Wed 2/1010:25 am -
1 stop35h 50m
Deal found 10/24![Delta logo]()
$971
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 1/911:30 pm -
2 stops24h 40m
Sat 1/235:00 am -
2 stops20h 57m
Deal found 10/22![United Airlines logo]()
$852
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 12/77:00 am -
2 stops42h 35m
Mon 12/1410:25 am -
1 stop35h 50m
Deal found 10/22![Delta logo]()
$1,034
This Trip.com deal was found by Cheapflights users on 10/24. 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.
Sun 3/1412:20 pm -
2 stops23h 35m
Sun 3/281:40 pm -
2 stops39h 54m
Deal found 10/24![Multiple Airlines logo]()
$1,205
This Justfly.com deal was found by Cheapflights users on 10/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:41 pm -
2 stops59h 44m
Sun 11/2912:45 pm -
2 stops40h 48m
Deal found 10/23![British Airways logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 1/57:50 pm -
2 stops27h 05m
Mon 1/115:00 am -
2 stops23h 20m
Deal found 10/25![United Airlines logo]()
$922
This United Airlines deal was found by Cheapflights users on 10/22. 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 3/36:00 am -
2 stops21h 40m
Sun 3/71:25 pm -
2 stops40h 42m
Deal found 10/22![United Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/66:30 am -
1 stop17h 40m
Thu 12/105:00 am -
1 stop17h 35m
Deal found 10/22![United Airlines logo]()
$1,182
Last-minute flights from Las Vegas to PortugalDiscover last-minute flight deals from Las Vegas to Portugal. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Portugal. Data last updated October 26, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:10 pm -
1 stop34h 45m
Tue 12/16:05 am -
2 stops23h 35m
Deal found 10/22![Multiple Airlines logo]()
$802
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/259:13 am -
1 stop18h 17m
Thu 12/312:35 pm -
2 stops51h 41m
Deal found 10/25![Multiple Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 10/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:25 pm -
1 stop15h 45m
Thu 12/35:00 am -
1 stop17h 15m
Deal found 10/23![Delta logo]()
$778
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/257:40 am -
1 stop18h 40m
Thu 12/35:00 am -
1 stop17h 35m
Deal found 10/22![United Airlines logo]()
$782
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:20 pm -
1 stop13h 00m
Tue 12/1512:50 pm -
1 stop30h 25m
Deal found 10/22![Air Canada logo]()
$712
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![KLM logo]()
$769
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:00 am -
1 stop17h 15m
Deal found 10/25![Delta logo]()
$779
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:25 pm -
1 stop22h 35m
Tue 12/155:55 am -
2 stops18h 35m
Deal found 10/25![Air France logo]()
$781
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:55 pm -
1 stop31h 10m
Tue 12/1511:05 am -
2 stops18h 07m
Deal found 10/22![American Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/3011:45 pm -
2 stops25h 45m
Tue 12/1512:35 pm -
2 stops18h 18m
Deal found 10/25![United Airlines logo]()
$789
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:00 am -
2 stops17h 20m
Tue 12/156:05 am -
2 stops18h 42m
Deal found 10/22![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Mon 11/307:05 pm -
3 stops32h 45m
Tue 12/1512:40 pm -
3 stops30h 30m
Deal found 10/25![Multiple Airlines logo]()
$1,027
One-way flights from Las Vegas to PortugalSearch for one-way flight options from Las Vegas to Portugal. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Las Vegas to Portugal. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Tue 11/246:30 am -
1 stop21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/266:30 am -
1 stop21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$265
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Thu 11/126:30 am -
1 stop21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/2312:44 pm -
1 stop14h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$285
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 2/178:55 pm -
1 stop17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![British Airways logo]()
$324
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Sat 4/1711:50 pm -
1 stop27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$331
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:40 am -
2 stops16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Air France logo]()
$333
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 3/16:00 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/307:03 am -
2 stops23h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sat 11/286:30 am -
2 stops24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/38:42 am -
3 stops28h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Tue 12/111:15 pm -
3 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$409
Find flight deals from Las Vegas to Portugal
Keep the following information in mind while searching for Las Vegas to Portugal flight deals. Data was last updated October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $712 (Trip.com) |
One-way from | $259 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $1,081 |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Las Vegas to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Mon 11/23
12:44 pm-11:40 am
1 stop14h 56m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$285
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Wed 11/25
10:17 pm-12:20 pm
2 stops30h 03m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$300
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Thu 11/26
2:14 pm-2:20 pm
2 stops40h 06m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$301
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Sat 4/17
2:19 pm-9:20 am
3 stops35h 01m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$341
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Thu 11/12
8:51 pm-10:15 am
2 stops29h 24m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$366
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Fri 4/9
11:51 am-6:00 pm
2 stops22h 09m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$378
Quickest round-trip
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Fri 4/9
11:40 am-9:20 am
1 stop13h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$386
Las VegasLisbon
LAS Las Vegas Harry Reid Intl - LIS Lisbon Humberto Delgado
LASLIS
Las Vegas Harry Reid Intl
Fri 4/16
2:19 pm-9:20 am
3 stops35h 01m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$391
Las VegasPorto
LAS Las Vegas Harry Reid Intl - OPO Porto
LASOPO
Las Vegas Harry Reid Intl
Mon 3/1
7:00 am-6:30 pm
3 stops51h 30m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$422
Las VegasPorto
LAS Las Vegas Harry Reid Intl - OPO Porto
LASOPO
Las Vegas Harry Reid Intl
Fri 12/4
11:43 pm-8:55 am
3 stops25h 12m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$427
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Las Vegas to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Las Vegas with our price prediction graph.
LAS-LIS
LAS-OPO
LAS-FNC
LAS-TER
LAS-FAO
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 Las Vegas to Portugal
LAS-PT0
LAS-LIS
LAS-OPO
LAS-FNC
LAS-TER
What is the cheapest month to book a flight from Las Vegas to Portugal?
Currently, April is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $634). Flying from Las Vegas to Portugal in May is currently the most expensive (average of $1,193). 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 far ahead should I book a flight from Las Vegas to Portugal?
To ensure you get the cheapest price possible for a flight from Las Vegas to Portugal, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated October 26, 2026.
Read reviews from past customers who have flown KLM,Delta, andAir Transat from Las Vegas to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Food
7.4
Crew
8.4
Boarding
7.8
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Las Vegas to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Portugal by cabin class
Find flights from Las Vegas to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and Portugal flights
Browse other Las Vegas and Portugal flight options. Last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Las Vegas to Portugal
Discover the top 10 airlines that operate flights from Las Vegas to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$757 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$500 | Average$1,080 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$503 | Average$841 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$504 | Average$1,111 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$504 | Average$1,019 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$505 | Average$850 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$1,175 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$571 | Average$1,154 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$666 | Average$683 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$682 | Average$951 | FlexibilityNo cancel fee | On-time50% |