$285+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Aug 2 — Aug 91
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 July 3, 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 July 3, 2026.
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:25 am
AUS
- LIS
1 stop22h 40m
Multiple Airlines
Wed 11/1111:20 am
LIS
- AUS
1 stop29h 51m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$706
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Sat 9/261:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 7/2![Air Transat logo]()
$708
This Gotogate deal was found by Cheapflights users on 6/29. 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 11/112:05 pm
AUS
- LIS
1 stop15h 15m
Multiple Airlines
Thu 11/125:00 am
LIS
- AUS
1 stop15h 05m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/2012:00 pm
AUS
- LIS
2 stops14h 20m
United Airlines
Tue 11/35:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/28![United Airlines logo]()
$723
This Air France deal was found by Cheapflights users on 6/30. 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 11/27:00 am
AUS
- LIS
1 stop20h 00m
Multiple Airlines
Wed 11/1111:30 am
LIS
- AUS
1 stop34h 35m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$725
This Air Transat deal was found by Cheapflights users on 6/28. 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 8/204:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Thu 9/31:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 6/28![Air Transat logo]()
$728
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
AUS
- LIS
2 stops20h 20m
Air Canada
Wed 11/115:00 am
LIS
- AUS
2 stops36h 11m
Air Canada
Deal found 6/28![Air Canada logo]()
$730
This KLM deal was found by Cheapflights users on 6/29. 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 11/257:30 am
AUS
- OPO
1 stop19h 35m
KLM
Wed 12/211:15 am
OPO
- AUS
1 stop34h 50m
KLM
Deal found 6/29![KLM logo]()
$732
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:01 pm
AUS
- OPO
1 stop15h 24m
KLM
Thu 12/35:00 am
OPO
- AUS
1 stop17h 05m
KLM
Deal found 7/3![KLM logo]()
$736
This KAYAK deal was found by Cheapflights users on 6/30. 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 11/232:25 pm
AUS
- OPO
1 stop13h 05m
Lufthansa
Thu 12/36:00 am
OPO
- AUS
2 stops35h 11m
Lufthansa
Deal found 6/30![Lufthansa logo]()
$738
This United Airlines deal was found by Cheapflights users on 6/29. 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 11/17:00 am
AUS
- LIS
2 stops20h 20m
United Airlines
Thu 11/1210:55 am
LIS
- AUS
2 stops36h 49m
United Airlines
Deal found 6/29![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/237:40 am
AUS
- OPO
1 stop19h 50m
United Airlines
Thu 12/36:00 am
OPO
- AUS
2 stops35h 11m
United Airlines
Deal found 7/3![United Airlines logo]()
$739
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 July 3, 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 July 3, 2026.
This KLM deal was found by Cheapflights users on 6/29. 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 11/257:30 am
AUS
- OPO
1 stop19h 35m
KLM
Wed 12/211:15 am
OPO
- AUS
1 stop34h 50m
KLM
Deal found 6/29![KLM logo]()
$732
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/237:40 am
AUS
- OPO
1 stop19h 50m
United Airlines
Thu 12/36:00 am
OPO
- AUS
2 stops35h 11m
United Airlines
Deal found 7/3![United Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 7/2. 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.
Tue 10/133:59 pm
AUS
- OPO
1 stop12h 31m
Delta
Thu 10/225:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 7/2![Delta logo]()
$763
This American Airlines deal was found by Cheapflights users on 6/29. 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 11/1411:33 am
AUS
- FNC
2 stops19h 57m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops30h 15m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$917
This Lufthansa deal was found by Cheapflights users on 7/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:05 pm
AUS
- FAO
1 stop16h 25m
Lufthansa
Mon 8/243:25 pm
FAO
- AUS
1 stop28h 35m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$954
This KAYAK deal was found by Cheapflights users on 6/29. 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 11/156:00 am
AUS
- TER
2 stops27h 05m
TAP AIR PORTUGAL
Mon 11/236:40 am
TER
- AUS
2 stops33h 31m
TAP AIR PORTUGAL
Deal found 6/29![TAP AIR PORTUGAL logo]()
$1,044
This KLM deal was found by Cheapflights users on 7/1. 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.
Mon 11/236:01 pm
AUS
- OPO
1 stop15h 24m
KLM
Thu 12/35:00 am
OPO
- AUS
1 stop17h 05m
KLM
Deal found 7/1![KLM logo]()
$736
This United Airlines deal was found by Cheapflights users on 6/28. 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
AUS
- OPO
1 stop21h 00m
United Airlines
Wed 12/96:00 am
OPO
- AUS
3 stops39h 29m
United Airlines
Deal found 6/28![United Airlines logo]()
$741
This KLM deal was found by Cheapflights users on 6/29. 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 10/1311:25 am
AUS
- OPO
1 stop17h 05m
KLM
Thu 10/225:00 am
OPO
- AUS
1 stop17h 10m
KLM
Deal found 6/29![KLM logo]()
$762
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/139:02 am
AUS
- OPO
2 stops15h 58m
United Airlines
Thu 10/2211:50 am
OPO
- AUS
2 stops36h 59m
United Airlines
Deal found 7/2![United Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/67:15 am
AUS
- LIS
1 stop20h 50m
United Airlines
Thu 12/105:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 7/2![United Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 6/30. 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 7/287:20 am
AUS
- LIS
1 stop21h 25m
Delta
Fri 8/75:00 am
LIS
- AUS
2 stops23h 17m
Delta
Deal found 6/30![Delta logo]()
$984
This KLM deal was found by Cheapflights users on 7/1. 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 10/77:30 am
AUS
- OPO
1 stop21h 00m
KLM
Fri 10/1612:45 pm
OPO
- AUS
1 stop33h 55m
KLM
Deal found 7/1![KLM logo]()
$816
This KAYAK deal was found by Cheapflights users on 6/30. 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 8/236:00 am
AUS
- FAO
1 stop21h 55m
Lufthansa
Sat 8/291:20 pm
FAO
- AUS
2 stops34h 35m
Lufthansa
Deal found 6/30![Lufthansa logo]()
$1,023
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/212:18 pm
AUS
- PDL
2 stops13h 22m
United Airlines
Thu 8/2711:00 am
PDL
- AUS
1 stop15h 58m
United Airlines
Deal found 6/28![United Airlines logo]()
$806
This Delta deal was found by Cheapflights users on 6/29. 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 7/2912:00 pm
AUS
- LIS
2 stops17h 15m
Delta
Wed 8/55:00 am
LIS
- AUS
2 stops23h 17m
Delta
Deal found 6/29![Delta logo]()
$988
This Mytrip deal was found by Cheapflights users on 6/28. 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 9/1211:40 am
AUS
- PDL
2 stops17h 05m
Multiple Airlines
Fri 9/186:30 am
PDL
- AUS
2 stops33h 18m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,105
This KLM deal was found by Cheapflights users on 6/30. 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 8/36:05 pm
AUS
- FAO
1 stop20h 20m
KLM
Wed 8/1910:10 pm
FAO
- AUS
1 stop24h 00m
KLM
Deal found 6/30![KLM logo]()
$906
This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:15 am
AUS
- PDL
2 stops18h 30m
Multiple Airlines
Sat 9/56:30 am
PDL
- AUS
2 stops31h 52m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 10/811:35 am
AUS
- LIS
1 stop17h 30m
United Airlines
Fri 10/161:00 pm
LIS
- AUS
2 stops30h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$854
This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:25 pm
AUS
- FNC
2 stops19h 55m
Lufthansa
Sat 11/211:15 pm
FNC
- AUS
2 stops37h 27m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$1,199
This KLM deal was found by Cheapflights users on 6/30. 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.
Sat 10/106:05 pm
AUS
- FAO
1 stop18h 00m
KLM
Thu 10/158:30 am
FAO
- AUS
2 stops20h 17m
KLM
Deal found 6/30![KLM logo]()
$915
This Mytrip deal was found by Cheapflights users on 6/29. 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 10/1111:35 am
AUS
- TER
3 stops30h 40m
Multiple Airlines
Mon 10/191:40 pm
TER
- AUS
3 stops29h 20m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,199
This KLM deal was found by Cheapflights users on 7/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:05 pm
AUS
- FAO
1 stop20h 20m
KLM
Mon 8/249:45 pm
FAO
- AUS
2 stops24h 05m
KLM
Deal found 7/2![KLM logo]()
$916
This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:05 pm
AUS
- FNC
1 stop18h 45m
Lufthansa
Wed 9/305:10 pm
FNC
- AUS
2 stops34h 12m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$1,228
This United Airlines deal was found by Cheapflights users on 6/28. 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 8/57:30 am
AUS
- LIS
1 stop21h 00m
United Airlines
Wed 9/211:25 am
LIS
- AUS
3 stops38h 32m
United Airlines
Deal found 6/28![United Airlines logo]()
$975
This Mytrip deal was found by Cheapflights users on 6/28. 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 9/1211:40 am
AUS
- TER
3 stops24h 25m
Multiple Airlines
Fri 9/187:10 am
TER
- AUS
2 stops32h 38m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,289
This Ovago deal was found by Cheapflights users on 6/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:05 pm
AUS
- FNC
1 stop18h 10m
Lufthansa
Fri 8/289:40 am
FNC
- AUS
1 stop18h 18m
Lufthansa
Deal found 6/30![Lufthansa logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/36:09 am
AUS
- LIS
1 stop20h 11m
United Airlines
Wed 8/1212:20 pm
LIS
- AUS
1 stop14h 14m
United Airlines
Deal found 7/3![United Airlines logo]()
$995
This KLM deal was found by Cheapflights users on 6/29. 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 8/234:32 pm
AUS
- FAO
2 stops34h 38m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops29h 17m
KLM
Deal found 6/29![KLM logo]()
$1,012
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated July 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/214:22 pm
AUS
- PDL
1 stop11h 18m
United Airlines
Thu 8/2711:00 am
PDL
- AUS
1 stop15h 58m
United Airlines
Deal found 6/28![United Airlines logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:05 pm
AUS
- LIS
1 stop17h 25m
Multiple Airlines
Fri 8/2810:30 pm
LIS
- AUS
2 stops46h 55m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/106:09 am
AUS
- OPO
1 stop18h 46m
United Airlines
Fri 8/216:00 am
OPO
- AUS
2 stops23h 05m
United Airlines
Deal found 7/1![United Airlines logo]()
$862
This Air France deal was found by Cheapflights users on 7/2. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:32 pm
AUS
- OPO
2 stops16h 53m
Multiple Airlines
Wed 8/197:10 pm
OPO
- AUS
1 stop27h 00m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$856
This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Mon 8/241:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 7/3![Air Transat logo]()
$835
This Mytrip deal was found by Cheapflights users on 6/29. 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 8/1711:40 am
AUS
- LIS
2 stops24h 35m
Multiple Airlines
Mon 8/246:15 am
LIS
- AUS
2 stops19h 57m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$843
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
AUS
- OPO
1 stop14h 35m
Multiple Airlines
Tue 8/2512:15 pm
OPO
- AUS
2 stops29h 34m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/1911:00 am
AUS
- OPO
1 stop13h 55m
United Airlines
Tue 8/2512:15 pm
OPO
- AUS
2 stops34h 09m
United Airlines
Deal found 7/2![United Airlines logo]()
$850
This Gotogate deal was found by Cheapflights users on 6/29. 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.
Wed 8/1911:40 am
AUS
- OPO
2 stops13h 20m
Multiple Airlines
Wed 8/2611:20 am
OPO
- AUS
2 stops24h 42m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$852
This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:30 am
AUS
- OPO
2 stops19h 30m
Air Canada
Wed 8/2611:20 am
OPO
- AUS
2 stops32h 38m
Air Canada
Deal found 7/2![Air Canada logo]()
$853
This Air Transat deal was found by Cheapflights users on 6/28. 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 8/204:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Thu 9/31:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 6/28![Air Transat logo]()
$728
This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Mon 10/121:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 7/2![Air Transat logo]()
$785
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 July 3, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 8/278:15 pm
AUS
- LIS
3 stops42h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/268:15 pm
AUS
- LIS
3 stops43h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:15 am
AUS
- LIS
3 stops32h 35m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 10/2111:15 am
AUS
- LIS
3 stops38h 30m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:50 am
AUS
- OPO
3 stops49h 30m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am
AUS
- OPO
3 stops33h 40m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 10/249:27 pm
AUS
- LIS
3 stops42h 33m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$365
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am
AUS
- LIS
2 stops43h 20m
Air Canada
Deal found 7/2![Air Canada logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/266:15 am
AUS
- OPO
3 stops33h 15m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:23 pm
AUS
- OPO
2 stops48h 12m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 7/216:30 am
AUS
- LIS
3 stops33h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$376
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Sun 9/1311:40 am
AUS
- PDL
1 stop15h 30m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$376
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $706 (Booking.com) |
One-way from | $285 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,084 |
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 July 3, 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
Wed 11/25
7:30 am-9:05 am
1 stop19h 35m
Porto
Wed 12/2
11:15 am-4:05 pm
1 stop34h 50m
$732
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/23
6:01 pm-3:25 pm
1 stop15h 24m
Porto
Thu 12/3
5:00 am-4:05 pm
1 stop17h 05m
$736
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/23
7:40 am-9:30 am
1 stop19h 50m
Porto
Thu 12/3
6:00 am-11:11 am
2 stops35h 11m
$739
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 12/6
6:30 am-9:30 am
1 stop21h 00m
Porto
Wed 12/9
6:00 am-3:29 pm
3 stops39h 29m
$741
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 10/13
11:25 am-10:30 am
1 stop17h 05m
Porto
Thu 10/22
5:00 am-4:10 pm
1 stop17h 10m
$762
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 10/13
3:59 pm-10:30 am
1 stop12h 31m
Porto
Thu 10/22
5:00 am-4:10 pm
1 stop17h 10m
$763
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 10/13
9:02 am-7:00 am
2 stops15h 58m
Porto
Thu 10/22
11:50 am-6:49 pm
2 stops36h 59m
$763
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sun 12/6
7:15 am-10:05 am
1 stop20h 50m
Lisbon Humberto Delgado
Thu 12/10
5:00 am-2:05 pm
1 stop15h 05m
$772
Quickest round-trip
AustinPonta Delgada
AUS - PDL
AUSPDL
Austin Bergstrom
Tue 7/21
2:18 pm-8:40 am
2 stops13h 22m
Ponta Delgada Nordela
Thu 8/27
11:00 am-9:58 pm
1 stop15h 58m
$806
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
7:30 am-10:30 am
1 stop21h 00m
Porto
Fri 10/16
12:45 pm-4:40 pm
1 stop33h 55m
$816
Showing 1-10 of 51 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-FNC
AUS-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 Austin to Portugal
AUS-PT0
AUS-LIS
AUS-OPO
AUS-PDL
AUS-FNC
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 45 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 July 3, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, 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
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
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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 July 3, 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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$921 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$848 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$828 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$1,025 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$573 | Average$888 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,079 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,127 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$878 | Average$993 | FlexibilityNo cancel fee | On-time67% |