$338+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jul 9 — Jul 161
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 9, 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 9, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:20 am
AUS
- OPO
1 stop15h 45m
Delta
Thu 1/145:00 am
OPO
- AUS
1 stop17h 05m
Delta
Deal found 6/8![Delta logo]()
$733
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:30 am
AUS
- OPO
2 stops21h 00m
Delta
Wed 1/1311:15 am
OPO
- AUS
1 stop34h 50m
Delta
Deal found 6/8![Delta logo]()
$738
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:20 am
AUS
- OPO
1 stop15h 45m
Delta
Fri 1/155:00 am
OPO
- AUS
2 stops21h 59m
Delta
Deal found 6/8![Delta logo]()
$743
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:45 pm
AUS
- OPO
1 stop32h 20m
Delta
Wed 1/1311:15 am
OPO
- AUS
1 stop34h 50m
Delta
Deal found 6/8![Delta logo]()
$745
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:59 am
AUS
- OPO
2 stops15h 31m
United Airlines
Wed 1/136:00 am
OPO
- AUS
2 stops18h 44m
United Airlines
Deal found 6/8![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:30 am
AUS
- OPO
2 stops21h 00m
Delta
Fri 1/155:00 am
OPO
- AUS
2 stops19h 46m
Delta
Deal found 6/8![Delta logo]()
$747
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:57 am
AUS
- OPO
2 stops17h 08m
Delta
Fri 1/155:00 am
OPO
- AUS
2 stops23h 05m
Delta
Deal found 6/8![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:45 pm
AUS
- OPO
1 stop32h 20m
Delta
Fri 1/155:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 6/8![Delta logo]()
$749
This Orbitz deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:55 am
AUS
- LIS
1 stop18h 55m
Air Canada
Tue 11/31:00 pm
LIS
- AUS
1 stop29h 19m
Air Canada
Deal found 6/8![Air Canada logo]()
$753
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Wed 11/41:10 pm
AUS
- LIS
1 stop15h 50m
Air Canada
Tue 11/101:00 pm
LIS
- AUS
1 stop29h 19m
Air Canada
Deal found 6/6![Air Canada logo]()
$757
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:55 pm
AUS
- OPO
1 stop13h 50m
Lufthansa
Fri 1/156:00 am
OPO
- AUS
2 stops20h 16m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$762
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:20 am
AUS
- OPO
2 stops17h 10m
Delta
Tue 1/1211:25 am
OPO
- AUS
2 stops36h 23m
Delta
Deal found 6/8![Delta logo]()
$767
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 9, 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 9, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:52 am
AUS
- OPO
2 stops16h 13m
Delta
Wed 1/1311:15 am
OPO
- AUS
1 stop34h 50m
Delta
Deal found 6/8![Delta logo]()
$738
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:10 pm
AUS
- LIS
2 stops15h 05m
United Airlines
Tue 11/35:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$773
This United deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sat 9/265:14 pm
AUS
- OPO
2 stops34h 31m
Multiple Airlines
Tue 10/612:05 pm
OPO
- AUS
1 stop31h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$834
This KLM deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:46 pm
AUS
- OPO
1 stop12h 44m
KLM
Wed 8/267:10 pm
OPO
- AUS
1 stop27h 00m
KLM
Deal found 6/7![KLM logo]()
$853
This British Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:55 pm
AUS
- OPO
1 stop15h 45m
British Airways
Sun 1/108:05 pm
OPO
- AUS
1 stop26h 45m
British Airways
Deal found 6/8![British Airways logo]()
$903
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:55 pm
AUS
- LIS
1 stop15h 40m
Finnair
Fri 8/76:35 am
LIS
- AUS
2 stops21h 47m
Finnair
Deal found 6/5![Finnair logo]()
$980
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:15 pm
AUS
- FNC
2 stops18h 05m
Lufthansa
Sat 11/211:15 pm
FNC
- AUS
2 stops30h 50m
Lufthansa
Deal found 6/9![Lufthansa logo]()
$1,230
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:35 pm
AUS
- PDL
2 stops33h 45m
TAP AIR PORTUGAL
Wed 11/117:25 pm
PDL
- AUS
2 stops46h 45m
TAP AIR PORTUGAL
Deal found 6/8![TAP AIR PORTUGAL logo]()
$1,341
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:20 am
AUS
- OPO
2 stops17h 10m
Delta
Fri 1/155:00 am
OPO
- AUS
2 stops23h 05m
Delta
Deal found 6/8![Delta logo]()
$747
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/265:14 pm
AUS
- OPO
2 stops55h 46m
United Airlines
Tue 10/612:15 pm
OPO
- AUS
2 stops36h 34m
United Airlines
Deal found 6/6![United Airlines logo]()
$799
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:25 am
AUS
- LIS
1 stop19h 35m
Delta
Wed 11/2511:30 am
LIS
- AUS
1 stop34h 35m
Delta
Deal found 6/8![Delta logo]()
$775
This KLM 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 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 stop19h 10m
KLM
Thu 9/245:00 am
OPO
- AUS
1 stop17h 10m
KLM
Deal found 6/4![KLM logo]()
$858
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 11/225:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$838
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:05 pm
AUS
- LIS
1 stop12h 55m
Delta
Wed 11/2511:30 am
LIS
- AUS
1 stop34h 35m
Delta
Deal found 6/8![Delta logo]()
$775
This United deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sat 8/17:44 pm
AUS
- FAO
2 stops32h 11m
Multiple Airlines
Mon 8/173:25 pm
FAO
- AUS
1 stop28h 35m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$956
This KLM deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/86:15 pm
AUS
- FAO
2 stops19h 15m
KLM
Wed 9/168:50 am
FAO
- AUS
1 stop37h 20m
KLM
Deal found 6/6![KLM logo]()
$914
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Fri 9/257:15 am
AUS
- OPO
2 stops17h 55m
United Airlines
Tue 10/612:15 pm
OPO
- AUS
3 stops40h 39m
United Airlines
Deal found 6/6![United Airlines logo]()
$854
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:05 pm
AUS
- OPO
2 stops19h 20m
Delta
Fri 10/165:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 6/5![Delta logo]()
$807
This Mytrip deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:40 am
AUS
- PDL
1 stop16h 55m
Multiple Airlines
Mon 9/710:45 am
PDL
- AUS
3 stops33h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,006
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:05 pm
AUS
- FAO
2 stops25h 00m
KLM
Mon 9/219:45 pm
FAO
- AUS
2 stops28h 34m
KLM
Deal found 6/9![KLM logo]()
$993
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:20 am
AUS
- LIS
1 stop14h 40m
Delta
Fri 11/2710:00 am
LIS
- AUS
1 stop17h 49m
Delta
Deal found 6/8![Delta logo]()
$846
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/14:57 pm
AUS
- FAO
2 stops34h 58m
United Airlines
Mon 8/173:25 pm
FAO
- AUS
1 stop28h 35m
United Airlines
Deal found 6/6![United Airlines logo]()
$956
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:00 pm
AUS
- FAO
2 stops39h 10m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops27h 51m
KLM
Deal found 6/9![KLM logo]()
$1,013
This United deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/6![Multiple Airlines logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Fri 10/167:15 am
AUS
- LIS
1 stop19h 05m
United Airlines
Sun 10/255:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/6![United Airlines logo]()
$964
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:40 pm
AUS
- FNC
2 stops18h 50m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops29h 13m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,162
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.
Fri 10/164:40 pm
AUS
- LIS
2 stops16h 15m
Delta
Sat 10/245:35 am
LIS
- AUS
2 stops22h 30m
Delta
Deal found 6/4![Delta logo]()
$986
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:00 pm
AUS
- LIS
2 stops32h 15m
United Airlines
Sat 11/281:00 pm
LIS
- AUS
2 stops39h 44m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,005
This Mytrip deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/204:25 pm
AUS
- FNC
2 stops33h 55m
Multiple Airlines
Mon 7/275:50 am
FNC
- AUS
2 stops34h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,176
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 9, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated June 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:45 pm
AUS
- OPO
2 stops17h 40m
Delta
Wed 7/155:00 am
OPO
- AUS
2 stops21h 53m
Delta
Deal found 6/9![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 Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Wed 7/156:00 am
OPO
- AUS
2 stops34h 45m
Air Canada
Deal found 6/7![Air Canada logo]()
$918
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:09 am
AUS
- OPO
2 stops18h 51m
United Airlines
Wed 7/156:00 am
OPO
- AUS
2 stops34h 45m
United Airlines
Deal found 6/7![United Airlines logo]()
$923
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/104:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Mon 7/206:15 am
LIS
- AUS
2 stops39h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$944
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 Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:30 pm
AUS
- LIS
1 stop34h 00m
Multiple Airlines
Mon 7/206:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$902
This KLM deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM 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
KLM
Fri 7/3112:45 pm
OPO
- AUS
1 stop14h 08m
KLM
Deal found 6/8![KLM logo]()
$928
This Mytrip deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/209:00 am
AUS
- LIS
2 stops18h 20m
Multiple Airlines
Mon 7/276:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$937
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:40 pm
AUS
- OPO
2 stops16h 20m
Iberia
Mon 7/278:40 pm
OPO
- AUS
2 stops31h 38m
Iberia
Deal found 6/6![Iberia logo]()
$942
This Flighttix deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:39 am
AUS
- LIS
2 stops21h 41m
Air Canada
Tue 8/111:00 pm
LIS
- AUS
2 stops47h 02m
Air Canada
Deal found 6/7![Air Canada logo]()
$953
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 9, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:42 am
AUS
- LIS
3 stops51h 33m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$338
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:45 pm
AUS
- LIS
3 stops44h 20m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$362
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:23 pm
AUS
- LIS
3 stops57h 27m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$374
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:42 am
AUS
- LIS
3 stops51h 33m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$392
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
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.
Sat 10/38:16 pm
AUS
- LIS
3 stops42h 49m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/45:42 pm
AUS
- LIS
3 stops45h 53m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:45 am
AUS
- FAO
3 stops34h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$435
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.
Fri 9/185:30 am
AUS
- OPO
2 stops19h 40m
United Airlines
Deal found 6/4![United Airlines logo]()
$440
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.
Fri 9/184:05 pm
AUS
- OPO
1 stop24h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$453
This Justfly.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Deal found 6/8![Air Canada logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:10 am
AUS
- OPO
2 stops17h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$463
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $733 (Delta) |
One-way from | $338 (Kiwi.com) |
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 9, 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
Sun 12/6
10:52 am-9:05 am
2 stops16h 13m
Porto
Wed 1/13
11:15 am-4:05 pm
1 stop34h 50m
$738
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 12/6
11:20 am-10:30 am
2 stops17h 10m
Porto
Fri 1/15
5:00 am-10:05 pm
2 stops23h 05m
$747
Quickest round-trip
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 10/26
2:10 pm-10:15 am
2 stops15h 05m
Lisbon Humberto Delgado
Tue 11/3
5:00 am-2:05 pm
1 stop15h 05m
$773
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 11/16
7:25 am-9:00 am
1 stop19h 35m
Lisbon Humberto Delgado
Wed 11/25
11:30 am-4:05 pm
1 stop34h 35m
$775
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sun 11/15
2:05 pm-9:00 am
1 stop12h 55m
Lisbon Humberto Delgado
Wed 11/25
11:30 am-4:05 pm
1 stop34h 35m
$775
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 9/26
5:14 pm-7:00 am
2 stops55h 46m
Porto
Tue 10/6
12:15 pm-6:49 pm
2 stops36h 34m
$799
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
2:05 pm-3:25 pm
2 stops19h 20m
Porto
Fri 10/16
5:00 am-5:39 pm
2 stops18h 39m
$807
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 9/26
5:14 pm-9:45 am
2 stops34h 31m
Porto
Tue 10/6
12:05 pm-2:00 pm
1 stop31h 55m
$834
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Tue 11/17
3:55 pm-2:55 pm
1 stop17h 00m
Lisbon Humberto Delgado
Sun 11/22
5:00 am-2:05 pm
1 stop15h 05m
$838
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Thu 11/19
11:20 am-8:00 am
1 stop14h 40m
Lisbon Humberto Delgado
Fri 11/27
10:00 am-9:49 pm
1 stop17h 49m
$846
Showing 1-10 of 56 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-OPO
AUS-LIS
AUS-FAO
AUS-PDL
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-OPO
AUS-LIS
AUS-FAO
AUS-PDL
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 84 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 9, 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.
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
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 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 June 9, 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 7 airlines flying from Austin to Portugal
Discover the top 7 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$904 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$510 | Average$827 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$982 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$573 | Average$1,048 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,034 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$648 | Average$848 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$656 | Average$1,106 | FlexibilityNo cancel fee | On-time71% |