$351+ Cheap flights from Austin (AUS) to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Cheapest flights from Austin to PortugalExplore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This eDestinos deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:30 pm
AUS
- OPO
2 stops42h 25m
Scandinavian Airlines
Wed 11/1811:55 am
OPO
- AUS
2 stops39h 54m
Scandinavian Airlines
Deal found 6/1![Scandinavian Airlines logo]()
$694
This KLM deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:35 pm
AUS
- OPO
1 stop11h 30m
KLM
Wed 11/184:10 pm
OPO
- AUS
1 stop29h 55m
KLM
Deal found 6/1![KLM logo]()
$729
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:00 pm
AUS
- OPO
1 stop13h 30m
United Airlines
Thu 11/196:00 am
OPO
- AUS
2 stops23h 38m
United Airlines
Deal found 6/1![United Airlines logo]()
$742
This KAYAK deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:45 pm
AUS
- LIS
2 stops19h 20m
Scandinavian Airlines
Tue 11/174:55 pm
LIS
- AUS
2 stops35h 24m
Scandinavian Airlines
Deal found 6/3![Scandinavian Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 am
AUS
- LIS
1 stop17h 40m
United Airlines
Thu 11/55:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/4![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 am
AUS
- LIS
1 stop19h 40m
United Airlines
Thu 11/265:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/2![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am
AUS
- LIS
1 stop18h 30m
Delta
Thu 11/55:00 am
LIS
- AUS
1 stop17h 05m
Delta
Deal found 6/4![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 am
AUS
- LIS
1 stop17h 40m
United Airlines
Tue 11/1711:20 am
LIS
- AUS
2 stops30h 40m
United Airlines
Deal found 6/3![United Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:10 pm
AUS
- LIS
1 stop15h 50m
United Airlines
Tue 11/105:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/4![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:35 am
AUS
- LIS
2 stops16h 35m
United Airlines
Tue 11/105:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/4![United Airlines logo]()
$778
This Air Canada deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:40 am
AUS
- LIS
2 stops21h 10m
Air Canada
Wed 11/2511:20 am
LIS
- AUS
2 stops35h 05m
Air Canada
Deal found 6/2![Air Canada logo]()
$779
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:52 am
AUS
- LIS
2 stops15h 08m
Delta
Wed 11/1111:30 am
LIS
- AUS
1 stop34h 35m
Delta
Deal found 6/4![Delta logo]()
$780
Best flights from Austin to PortugalDiscover carefully curated flight deals from Austin to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Austin to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:00 pm
AUS
- OPO
1 stop13h 30m
United Airlines
Thu 11/196:00 am
OPO
- AUS
2 stops23h 38m
United Airlines
Deal found 6/1![United Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:05 pm
AUS
- LIS
1 stop12h 55m
Delta
Tue 11/1010:00 am
LIS
- AUS
2 stops18h 05m
Delta
Deal found 6/4![Delta logo]()
$800
This KLM deal was found by Cheapflights users on 5/31. 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.
Thu 9/176:05 pm
AUS
- OPO
1 stop22h 10m
Multiple Airlines
Thu 9/241:25 pm
OPO
- AUS
1 stop13h 27m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$875
This Lufthansa deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:05 pm
AUS
- OPO
1 stop17h 35m
Lufthansa
Fri 8/2112:05 pm
OPO
- AUS
1 stop31h 55m
Lufthansa
Deal found 6/1![Lufthansa logo]()
$923
This KLM deal was found by Cheapflights users on 5/31. 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 8/234:55 pm
AUS
- FAO
2 stops34h 15m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops29h 17m
KLM
Deal found 5/31![KLM logo]()
$1,014
This FlightHub deal was found by Cheapflights users on 5/31. 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 11/151:10 pm
AUS
- TER
2 stops40h 50m
Air Canada
Mon 11/2312:35 pm
TER
- AUS
2 stops52h 44m
Air Canada
Deal found 5/31![Air Canada logo]()
$1,095
This Travelocity deal was found by Cheapflights users on 5/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:55 pm
AUS
- FNC
2 stops34h 45m
Iberia
Mon 9/281:20 pm
FNC
- AUS
2 stops38h 35m
Iberia
Deal found 5/31![Iberia logo]()
$1,114
This oojo deal was found by Cheapflights users on 5/31. 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 8/235:55 pm
AUS
- FAO
1 stop34h 25m
British Airways
Sat 8/298:00 pm
FAO
- AUS
1 stop25h 25m
British Airways
Deal found 5/31![British Airways logo]()
$1,170
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am
AUS
- LIS
1 stop19h 40m
United Airlines
Tue 11/105:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/4![United Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm
AUS
- OPO
2 stops17h 50m
Delta
Fri 10/165:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 6/2![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 5/31. 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 9/273:50 pm
AUS
- OPO
1 stop12h 35m
Delta
Sun 10/185:00 am
OPO
- AUS
2 stops23h 05m
Delta
Deal found 5/31![Delta logo]()
$863
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:55 pm
AUS
- LIS
1 stop17h 00m
United Airlines
Mon 11/3012:25 pm
LIS
- AUS
1 stop31h 40m
United Airlines
Deal found 6/2![United Airlines logo]()
$890
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:40 am
AUS
- FAO
1 stop17h 15m
Lufthansa
Sat 8/292:20 pm
FAO
- AUS
2 stops34h 52m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$1,015
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:25 pm
AUS
- PDL
1 stop11h 40m
Multiple Airlines
Mon 9/75:30 pm
PDL
- AUS
2 stops45h 18m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,028
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:45 pm
AUS
- LIS
1 stop31h 15m
Delta
Thu 11/265:00 am
LIS
- AUS
1 stop17h 05m
Delta
Deal found 6/2![Delta logo]()
$868
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:15 am
AUS
- OPO
2 stops17h 45m
United Airlines
Sat 10/1711:20 am
OPO
- AUS
2 stops28h 39m
United Airlines
Deal found 6/5![United Airlines logo]()
$907
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:07 am
AUS
- OPO
1 stop17h 18m
Delta
Wed 8/1912:40 pm
OPO
- AUS
1 stop14h 13m
Delta
Deal found 5/31![Delta logo]()
$871
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 6/214:25 pm
AUS
- PDL
1 stop33h 15m
Multiple Airlines
Tue 6/3010:30 am
PDL
- AUS
3 stops32h 10m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am
AUS
- LIS
1 stop19h 40m
United Airlines
Sat 11/281:00 pm
LIS
- AUS
2 stops39h 44m
United Airlines
Deal found 6/2![United Airlines logo]()
$921
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:05 pm
AUS
- LIS
1 stop12h 55m
Delta
Tue 12/111:15 am
LIS
- AUS
1 stop17h 08m
Delta
Deal found 6/2![Delta logo]()
$876
This Justfly.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:15 pm
AUS
- FNC
2 stops18h 15m
Lufthansa
Sat 11/211:10 pm
FNC
- AUS
2 stops30h 55m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,231
This United deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:16 pm
AUS
- TER
2 stops36h 44m
Multiple Airlines
Mon 11/2312:35 pm
TER
- AUS
2 stops52h 44m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:10 pm
AUS
- LIS
1 stop15h 50m
United Airlines
Sun 11/291:00 pm
LIS
- AUS
1 stop29h 19m
United Airlines
Deal found 6/2![United Airlines logo]()
$938
This Iberia deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:06 am
AUS
- FNC
2 stops22h 34m
Iberia
Sun 7/2611:20 am
FNC
- AUS
2 stops40h 58m
Iberia
Deal found 6/2![Iberia logo]()
$1,412
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:20 am
AUS
- OPO
2 stops19h 10m
Delta
Wed 7/155:00 am
OPO
- AUS
2 stops21h 53m
Delta
Deal found 6/1![Delta logo]()
$924
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
AUS
- LIS
2 stops21h 20m
United Airlines
Fri 10/21:00 pm
LIS
- AUS
2 stops30h 31m
United Airlines
Deal found 6/1![United Airlines logo]()
$944
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:54 pm
AUS
- FNC
2 stops17h 36m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops33h 41m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,162
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 am
AUS
- LIS
2 stops18h 45m
Delta
Fri 10/25:00 am
LIS
- AUS
2 stops18h 32m
Delta
Deal found 6/3![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/2812:00 pm
AUS
- LIS
1 stop16h 30m
United Airlines
Fri 8/71:00 pm
LIS
- AUS
2 stops30h 24m
United Airlines
Deal found 5/31![United Airlines logo]()
$981
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:00 pm
AUS
- TER
2 stops18h 15m
Multiple Airlines
Mon 11/236:40 am
TER
- AUS
3 stops46h 06m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,206
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated June 5, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/31. 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 7/510:25 am
AUS
- LIS
1 stop16h 55m
Multiple Airlines
Tue 7/2111:25 am
LIS
- AUS
1 stop14h 47m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$955
This Air Canada deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:20 am
AUS
- OPO
2 stops16h 40m
Multiple Airlines
Wed 7/156:00 am
OPO
- AUS
2 stops34h 45m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:48 pm
AUS
- OPO
2 stops19h 37m
Delta
Wed 7/155:00 am
OPO
- AUS
2 stops18h 19m
Delta
Deal found 6/2![Delta logo]()
$924
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:40 am
AUS
- OPO
2 stops18h 20m
United Airlines
Wed 7/1512:35 pm
OPO
- AUS
1 stop16h 45m
United Airlines
Deal found 6/5![United Airlines logo]()
$931
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Wed 7/2910:15 pm
LIS
- AUS
2 stops47h 10m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$944
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Sun 8/26:10 am
LIS
- AUS
2 stops39h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$947
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:25 am
AUS
- OPO
1 stop14h 25m
Air Canada
Tue 7/2812:15 pm
OPO
- AUS
2 stops32h 26m
Air Canada
Deal found 6/4![Air Canada logo]()
$906
This Mytrip deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:25 pm
AUS
- LIS
2 stops20h 30m
Multiple Airlines
Mon 7/276:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$889
This KLM deal was found by Cheapflights users on 5/31. 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.
Tue 7/1411:15 am
AUS
- OPO
1 stop17h 15m
KLM
Fri 7/2412:45 pm
OPO
- AUS
1 stop14h 08m
KLM
Deal found 5/31![KLM logo]()
$928
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:35 am
AUS
- OPO
1 stop20h 50m
Delta
Tue 8/1112:25 pm
OPO
- AUS
1 stop34h 22m
Delta
Deal found 6/3![Delta logo]()
$934
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:10 am
AUS
- OPO
1 stop17h 35m
United Airlines
Tue 7/2812:15 pm
OPO
- AUS
2 stops41h 05m
United Airlines
Deal found 6/2![United Airlines logo]()
$908
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:15 am
AUS
- LIS
1 stop14h 45m
Multiple Airlines
Wed 8/59:10 pm
LIS
- AUS
2 stops48h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$929
One-way flights from Austin to PortugalSearch for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Orbitz deal was found by Cheapflights users on 5/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:10 pm
AUS
- LIS
1 stop15h 50m
Air Canada
Deal found 5/31![Air Canada logo]()
$351
This Orbitz deal was found by Cheapflights users on 5/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:55 pm
AUS
- LIS
2 stops16h 45m
British Airways
Deal found 5/31![British Airways logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:50 am
AUS
- OPO
3 stops46h 00m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$366
This Mytrip deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:35 am
AUS
- PDL
1 stop16h 30m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$373
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:55 pm
AUS
- OPO
1 stop19h 10m
British Airways
Deal found 6/1![British Airways logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:16 pm
AUS
- LIS
3 stops42h 49m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:25 pm
AUS
- LIS
2 stops44h 30m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:08 am
AUS
- OPO
2 stops17h 52m
United Airlines
Deal found 6/1![United Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:42 am
AUS
- LIS
3 stops29h 23m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 7/610:42 am
AUS
- OPO
3 stops52h 33m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:45 pm
AUS
- LIS
3 stops44h 20m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:45 am
AUS
- LIS
3 stops34h 15m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$400
Find flight deals from Austin to Portugal
Keep the following information in mind while searching for Austin to Portugal flight deals. Data was last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $694 (eDestinos) |
One-way from | $351 (Orbitz) |
Popular in | June |
Cheapest in | February |
Average price | $1,186 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 2,558,603 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/16
2:00 pm-9:30 am
1 stop13h 30m
Porto
Thu 11/19
6:00 am-11:38 pm
2 stops23h 38m
$742
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 11/2
6:30 am-8:10 am
1 stop19h 40m
Lisbon Humberto Delgado
Tue 11/10
5:00 am-2:05 pm
1 stop15h 05m
$773
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sun 11/1
2:05 pm-9:00 am
1 stop12h 55m
Lisbon Humberto Delgado
Tue 11/10
10:00 am-10:05 pm
2 stops18h 05m
$800
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
3:35 pm-3:25 pm
2 stops17h 50m
Porto
Fri 10/16
5:00 am-5:39 pm
2 stops18h 39m
$807
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 9/27
3:50 pm-10:25 am
1 stop12h 35m
Porto
Sun 10/18
5:00 am-10:05 pm
2 stops23h 05m
$863
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sat 11/21
6:45 pm-8:00 am
1 stop31h 15m
Lisbon Humberto Delgado
Thu 11/26
5:00 am-4:05 pm
1 stop17h 05m
$868
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 8/9
11:07 am-10:25 am
1 stop17h 18m
Porto
Wed 8/19
12:40 pm-8:53 pm
1 stop14h 13m
$871
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/17
6:05 pm-10:15 pm
1 stop22h 10m
Porto
Thu 9/24
1:25 pm-8:52 pm
1 stop13h 27m
$875
Quickest round-trip
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Wed 11/18
2:05 pm-9:00 am
1 stop12h 55m
Lisbon Humberto Delgado
Tue 12/1
11:15 am-10:23 pm
1 stop17h 08m
$876
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Tue 11/17
3:55 pm-2:55 pm
1 stop17h 00m
Lisbon Humberto Delgado
Mon 11/30
12:25 pm-2:05 pm
1 stop31h 40m
$890
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Austin to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin with our price prediction graph.
AUS-LIS
AUS-OPO
AUS-PDL
AUS-FAO
AUS-TER
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 Austin to Portugal
AUS-PT0
AUS-LIS
AUS-OPO
AUS-PDL
AUS-FAO
What is the cheapest month to book a flight from Austin to Portugal?
Currently, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $310). Flying from Austin to Portugal in July is currently the most expensive (average of $726). 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 Austin to Portugal?
The best time to book flights from Austin to Portugal is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 June 5, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Austin to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Austin 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 Austin to Portugal by cabin class
Find flights from Austin to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Portugal flights
Browse other Austin and Portugal flight options. Last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Portugal flights
Consider these flights traveling from Austin to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 8 airlines flying from Austin to Portugal
Discover the top 8 airlines that operate flights from Austin 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 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$889 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$510 | Average$825 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$969 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$1,022 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,034 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$633 | Average$1,101 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$648 | Average$848 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$840 | Average$1,362 | FlexibilityNo cancel fee | On-time67% |