$500+ Cheap flights from Portugal to Las Vegas (LAS)
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAS
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Cheapest flights from Portugal to Las VegasExplore the most affordable flight options available from Portugal to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
Explore the most affordable flight options available from Portugal to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
This Air Transat deal was found by Cheapflights users on 5/16. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:35 am
LIS
- LAS
1 stop35h 07m
Air Transat
Wed 11/1111:05 pm
LAS
- LIS
1 stop23h 40m
Air Transat
Deal found 5/16![Air Transat logo]()
$701
This Air Transat deal was found by Cheapflights users on 5/16. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:35 am
LIS
- LAS
1 stop35h 07m
Air Transat
Tue 11/1011:05 pm
LAS
- LIS
1 stop23h 40m
Air Transat
Deal found 5/16![Air Transat logo]()
$724
This Trip.com deal was found by Cheapflights users on 5/14. 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 11/18:35 am
LIS
- LAS
2 stops42h 40m
Multiple Airlines
Sat 11/78:00 am
LAS
- LIS
3 stops39h 45m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$765
This Trip.com deal was found by Cheapflights users on 5/15. 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 6/146:10 am
LIS
- LAS
2 stops23h 30m
WestJet
Thu 6/184:35 pm
LAS
- LIS
2 stops22h 00m
WestJet
Deal found 5/15![WestJet logo]()
$783
This Gotogate deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Wed 7/2211:15 pm
LAS
- LIS
1 stop26h 20m
Air Transat
Deal found 5/14![Air Transat logo]()
$820
This Rumbo deal was found by Cheapflights users on 5/12. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Wed 7/1511:15 pm
LAS
- LIS
1 stop26h 20m
Air Transat
Deal found 5/12![Air Transat logo]()
$822
This Mytrip deal was found by Cheapflights users on 5/15. 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 6/1211:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Fri 6/2611:15 pm
LAS
- LIS
1 stop26h 20m
Air Transat
Deal found 5/15![Air Transat logo]()
$843
This Air Transat deal was found by Cheapflights users on 5/16. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 am
LIS
- LAS
1 stop20h 02m
Air Transat
Wed 11/412:40 pm
LAS
- LIS
1 stop34h 05m
Air Transat
Deal found 5/16![Air Transat logo]()
$846
This Trip.com deal was found by Cheapflights users on 5/14. 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.
Thu 6/116:10 am
LIS
- LAS
2 stops44h 25m
WestJet
Thu 6/181:20 pm
LAS
- LIS
3 stops25h 15m
WestJet
Deal found 5/14![WestJet logo]()
$847
This Gotogate deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:35 am
LIS
- LAS
1 stop29h 12m
Air Transat
Thu 7/239:45 am
LAS
- LIS
1 stop15h 50m
Air Transat
Deal found 5/15![Air Transat logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:35 am
LIS
- LAS
1 stop17h 27m
Multiple Airlines
Mon 11/91:10 pm
LAS
- LIS
1 stop13h 55m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$855
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:30 pm
OPO
- LAS
1 stop16h 47m
Air Transat
Wed 7/1511:15 pm
LAS
- OPO
1 stop28h 30m
Air Transat
Deal found 5/12![Air Transat logo]()
$858
Best flights from Portugal to Las VegasDiscover carefully curated flight deals from Portugal to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
Discover carefully curated flight deals from Portugal to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
This Delta deal was found by Cheapflights users on 5/16. 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 9/205:00 am
OPO
- LAS
2 stops21h 46m
Delta
Sat 9/265:50 pm
LAS
- OPO
1 stop20h 10m
Delta
Deal found 5/16![Delta logo]()
$958
This Mytrip deal was found by Cheapflights users on 5/15. 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 6/145:55 am
LIS
- LAS
3 stops26h 08m
Multiple Airlines
Thu 6/181:20 pm
LAS
- LIS
3 stops25h 15m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$968
This KLM deal was found by Cheapflights users on 5/13. 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.
Sun 9/2012:25 pm
OPO
- LAS
1 stop17h 31m
KLM
Sat 9/265:50 pm
LAS
- OPO
1 stop20h 10m
KLM
Deal found 5/13![KLM logo]()
$982
This Virgin Atlantic deal was found by Cheapflights users on 5/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:15 am
LIS
- LAS
2 stops20h 40m
Virgin Atlantic
Sat 11/78:55 am
LAS
- LIS
2 stops16h 05m
Virgin Atlantic
Deal found 5/14![Virgin Atlantic logo]()
$995
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 11/55:00 am
LIS
- LAS
1 stop17h 35m
United Airlines
Mon 11/98:35 am
LAS
- LIS
1 stop17h 40m
United Airlines
Deal found 5/13![United Airlines logo]()
$997
This British Airways deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:05 am
LIS
- LAS
1 stop17h 27m
British Airways
Thu 10/110:10 pm
LAS
- LIS
1 stop27h 55m
British Airways
Deal found 5/15![British Airways logo]()
$1,020
This Delta deal was found by Cheapflights users on 5/16. 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 9/215:00 am
OPO
- LAS
2 stops22h 58m
Delta
Sun 9/276:00 am
LAS
- OPO
2 stops20h 25m
Delta
Deal found 5/16![Delta logo]()
$962
This KLM deal was found by Cheapflights users on 5/14. 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 9/2112:15 pm
OPO
- LAS
1 stop19h 47m
KLM
Sun 9/2711:30 am
LAS
- OPO
1 stop14h 55m
KLM
Deal found 5/14![KLM logo]()
$983
This United Airlines deal was found by Cheapflights users on 5/15. 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 11/712:35 pm
OPO
- LAS
1 stop17h 42m
United Airlines
Wed 11/119:49 am
LAS
- OPO
2 stops15h 41m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,011
This Delta deal was found by Cheapflights users on 5/15. 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.
Fri 9/2511:55 am
LIS
- LAS
1 stop14h 40m
Delta
Thu 10/11:05 pm
LAS
- LIS
2 stops20h 45m
Delta
Deal found 5/15![Delta logo]()
$966
This Delta deal was found by Cheapflights users on 5/12. 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 8/255:00 am
OPO
- LAS
2 stops21h 56m
Delta
Thu 9/37:05 am
LAS
- OPO
1 stop19h 25m
Delta
Deal found 5/12![Delta logo]()
$973
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 9/285:35 am
LIS
- LAS
1 stop18h 00m
Delta
Thu 10/81:50 pm
LAS
- LIS
2 stops20h 00m
Delta
Deal found 5/12![Delta logo]()
$979
Last-minute flights from Portugal to Las VegasDiscover last-minute flight deals from Portugal to Las Vegas. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to Las Vegas. Data last updated May 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/13. 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 5/2011:45 am
OPO
- LAS
1 stop14h 50m
Delta
Sat 5/305:50 pm
LAS
- OPO
1 stop20h 10m
Delta
Deal found 5/13![Delta logo]()
$962
This KLM deal was found by Cheapflights users on 5/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:10 pm
OPO
- LAS
1 stop31h 25m
KLM
Wed 6/105:50 pm
LAS
- OPO
1 stop30h 40m
KLM
Deal found 5/12![KLM logo]()
$965
This KLM deal was found by Cheapflights users on 5/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:55 am
OPO
- LAS
2 stops18h 05m
Multiple Airlines
Wed 6/105:50 pm
LAS
- OPO
1 stop30h 40m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$977
This Trip.com deal was found by Cheapflights users on 5/16. 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.
Tue 6/98:15 am
LIS
- LAS
3 stops36h 15m
Multiple Airlines
Fri 6/127:25 pm
LAS
- LIS
3 stops27h 05m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$871
This Trip.com deal was found by Cheapflights users on 5/14. 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.
Thu 6/116:10 am
LIS
- LAS
2 stops44h 25m
WestJet
Thu 6/181:20 pm
LAS
- LIS
3 stops25h 15m
WestJet
Deal found 5/14![WestJet logo]()
$847
This Mytrip deal was found by Cheapflights users on 5/15. 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 6/1211:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Fri 6/2611:15 pm
LAS
- LIS
1 stop26h 20m
Air Transat
Deal found 5/15![Air Transat logo]()
$843
This Trip.com deal was found by Cheapflights users on 5/15. 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 6/146:10 am
LIS
- LAS
2 stops23h 30m
WestJet
Thu 6/184:35 pm
LAS
- LIS
2 stops22h 00m
WestJet
Deal found 5/15![WestJet logo]()
$783
This Gotogate deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:35 am
LIS
- LAS
1 stop18h 42m
Air Transat
Tue 7/711:15 pm
LAS
- LIS
1 stop26h 20m
Air Transat
Deal found 5/14![Air Transat logo]()
$888
This Mytrip deal was found by Cheapflights users on 5/14. 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 am
LIS
- LAS
3 stops38h 20m
Multiple Airlines
Tue 7/711:15 pm
LAS
- LIS
2 stops23h 15m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$919
One-way flights from Portugal to Las VegasSearch for one-way flight options from Portugal to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
Search for one-way flight options from Portugal to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:35 am
LIS
- LAS
2 stops34h 23m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Thu 5/218:55 pm
LIS
- LAS
2 stops55h 52m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:00 pm
OPO
- LAS
3 stops32h 17m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:40 am
LIS
- LAS
3 stops38h 35m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/3011:35 am
LIS
- LAS
3 stops42h 05m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$558
This WestJet deal was found by Cheapflights users on 5/14. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:10 am
LIS
- LAS
2 stops43h 05m
WestJet
Deal found 5/14![WestJet logo]()
$565
This Trip.com deal was found by Cheapflights users on 5/14. 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 8/1011:35 am
LIS
- LAS
1 stop29h 12m
Air Transat
Deal found 5/14![Air Transat logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/106:15 am
LIS
- LAS
3 stops40h 58m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$589
This FlightHub deal was found by Cheapflights users on 5/12. 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.
Wed 7/14:40 pm
OPO
- LAS
2 stops48h 30m
Turkish Airlines
Deal found 5/12![Turkish Airlines logo]()
$868
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 7/16:00 pm
OPO
- LAS
1 stop25h 02m
TAP AIR PORTUGAL
Deal found 5/15![TAP AIR PORTUGAL logo]()
$883
This Turkish Airlines deal was found by Cheapflights users on 5/16. 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 5/306:15 am
OPO
- LAS
2 stops50h 06m
Turkish Airlines
Deal found 5/16![Turkish Airlines logo]()
$885
Find flight deals from Portugal to Las Vegas
Keep the following information in mind while searching for Portugal to Las Vegas flight deals. Data was last updated May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $701 (Air Transat) |
One-way from | $500 (Kiwi.com) |
Popular in | August |
Cheapest in | September |
Average price | $1,050 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to Las Vegas 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 16, 2026.
Use the filters below to find and compare flights from Portugal to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortoLas Vegas
OPO - LAS
OPOLAS
Porto
Sun 9/20
5:00 am-6:46 pm
2 stops21h 46m
Las Vegas Harry Reid Intl
Sat 9/26
5:50 pm-10:00 pm
1 stop20h 10m
$958
PortoLas Vegas
OPO - LAS
OPOLAS
Porto
Mon 9/21
5:00 am-7:58 pm
2 stops22h 58m
Las Vegas Harry Reid Intl
Sun 9/27
6:00 am-10:25 am
2 stops20h 25m
$962
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Fri 9/25
11:55 am-6:35 pm
1 stop14h 40m
Las Vegas Harry Reid Intl
Thu 10/1
1:05 pm-5:50 pm
2 stops20h 45m
$966
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Sun 6/14
5:55 am-12:03 am
3 stops26h 08m
Las Vegas Harry Reid Intl
Thu 6/18
1:20 pm-10:35 pm
3 stops25h 15m
$968
PortoLas Vegas
OPO - LAS
OPOLAS
Porto
Tue 8/25
5:00 am-6:56 pm
2 stops21h 56m
Las Vegas Harry Reid Intl
Thu 9/3
7:05 am-10:30 am
1 stop19h 25m
$973
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Mon 9/28
5:35 am-3:35 pm
1 stop18h 00m
Las Vegas Harry Reid Intl
Thu 10/8
1:50 pm-5:50 pm
2 stops20h 00m
$979
PortoLas Vegas
OPO - LAS
OPOLAS
Porto
Sun 9/20
12:25 pm-9:56 pm
1 stop17h 31m
Las Vegas Harry Reid Intl
Sat 9/26
5:50 pm-10:00 pm
1 stop20h 10m
$982
PortoLas Vegas
OPO - LAS
OPOLAS
Porto
Mon 9/21
12:15 pm-12:02 am
1 stop19h 47m
Las Vegas Harry Reid Intl
Sun 9/27
11:30 am-10:25 am
1 stop14h 55m
$983
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Sun 11/1
11:15 am-11:55 pm
2 stops20h 40m
Las Vegas Harry Reid Intl
Sat 11/7
8:55 am-9:00 am
2 stops16h 05m
$995
LisbonLas Vegas
LIS - LAS
LISLAS
Lisbon Humberto Delgado
Thu 11/5
5:00 am-2:35 pm
1 stop17h 35m
Las Vegas Harry Reid Intl
Mon 11/9
8:35 am-10:15 am
1 stop17h 40m
$997
Showing 1-10 of 31 resultsSorted by cheapest first
Best time to book a flight from Portugal to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Portugal with our price prediction graph.
LIS-LAS
OPO-LAS
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 Portugal to Las Vegas
PT0-LAS
LIS-LAS
OPO-LAS
How far ahead should I book a flight from Portugal to Las Vegas?
The price you pay for your flight from Portugal to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portugal to Las Vegas?
Currently, November is the cheapest month in which you can book a flight from Portugal to Las Vegas (average of $235). Flying from Portugal to Las Vegas in June is currently the most expensive (average of $858). 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.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated May 16, 2026.
Get a feel of what it's like to fly with Delta from Portugal to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Portugal to Las Vegas. 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 Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
Mesquite
North Las Vegas
Henderson
Kingman
Winchester
Boulder City
Needles
Sunrise Manor
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Alternative routes for Portugal to Las Vegas
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Complete your trip
Complete your trip to Las Vegas by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portugal to Las Vegas by cabin class
Find flights from Portugal to Las Vegas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2026.
Portugal and Las Vegas flights
Browse other Portugal and Las Vegas flight options. Last updated on May 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portugal to Las Vegas flights
Consider these flights traveling from Portugal to Las Vegas.
Top airline flying from Portugal to Las Vegas
Discover the top airline that operate flights from Portugal to Las Vegas. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$748 | Average$915 | FlexibilityNo cancel fee | On-timeN/A |