$331+ Cheap flights from Austin (AUS) to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Oct 9 — Oct 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 September 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 September 9, 2026.
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:18 pm -
1 stop12h 47m
Wed 12/96:45 pm -
2 stops19h 43m
Deal found 9/8![Iberia logo]()
$572
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:55 pm -
2 stops19h 05m
Thu 12/38:20 am -
2 stops21h 46m
Deal found 9/9![Multiple Airlines logo]()
$583
This Iberia deal was found by Cheapflights users on 9/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 pm -
1 stop14h 00m
Wed 12/1611:05 am -
1 stop16h 54m
Deal found 9/8![Multiple Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 9/8. 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 12/67:30 am -
1 stop18h 30m
Tue 12/1510:00 am -
1 stop19h 08m
Deal found 9/8![Delta logo]()
$596
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 pm -
2 stops22h 30m
Wed 12/166:30 am -
2 stops23h 27m
Deal found 9/8![Iberia logo]()
$597
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Tue 12/89:12 am -
2 stops20h 38m
Tue 12/156:30 am -
2 stops23h 27m
Deal found 9/8![Iberia logo]()
$598
This Delta deal was found by Cheapflights users on 9/8. 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 12/612:10 pm -
2 stops14h 45m
Thu 12/1710:40 am -
2 stops17h 32m
Deal found 9/8![Delta logo]()
$600
This Delta deal was found by Cheapflights users on 9/8. 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 12/56:45 pm -
1 stop31h 15m
Tue 12/1511:15 am -
1 stop16h 55m
Deal found 9/8![Delta logo]()
$601
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:46 pm -
2 stops17h 59m
Tue 12/157:05 am -
2 stops20h 54m
Deal found 9/8![British Airways logo]()
$621
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 pm -
2 stops14h 50m
Thu 10/2212:25 pm -
2 stops16h 18m
Deal found 9/8![American Airlines logo]()
$628
This Delta deal was found by Cheapflights users on 9/8. 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 12/102:28 pm -
1 stop12h 27m
Wed 12/1611:15 am -
1 stop16h 55m
Deal found 9/8![Delta logo]()
$646
This British Airways deal was found by Cheapflights users on 9/8. 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 -
1 stop20h 50m
Sat 12/123:50 pm -
1 stop30h 55m
Deal found 9/8![British Airways logo]()
$649
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 September 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 September 9, 2026.
This Iberia deal was found by Cheapflights users on 9/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 pm -
1 stop14h 00m
Wed 12/1611:05 am -
1 stop16h 54m
Deal found 9/8![Multiple Airlines logo]()
$589
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 pm -
2 stops22h 30m
Wed 12/166:30 am -
2 stops23h 27m
Deal found 9/8![Iberia logo]()
$597
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am -
1 stop18h 40m
Wed 12/1611:05 am -
2 stops18h 54m
Deal found 9/8![American Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
3 stops22h 15m
Thu 12/36:00 am -
2 stops18h 54m
Deal found 9/9![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 9/8. 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 2/1011:20 am -
2 stops18h 00m
Thu 2/185:00 am -
1 stop17h 05m
Deal found 9/8![Delta logo]()
$735
This KLM deal was found by Cheapflights users on 9/8. 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.
Mon 11/236:01 pm -
1 stop15h 24m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 9/8![KLM logo]()
$788
This British Airways deal was found by Cheapflights users on 9/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:55 pm -
1 stop18h 10m
Tue 11/34:25 pm -
2 stops36h 13m
Deal found 9/4![British Airways logo]()
$795
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 am -
2 stops29h 25m
Thu 9/2411:45 am -
2 stops18h 14m
Deal found 9/7![Aer Lingus logo]()
$1,184
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:05 pm -
1 stop18h 45m
Wed 10/145:10 pm -
2 stops34h 12m
Deal found 9/7![Lufthansa logo]()
$1,313
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 3/26:30 am -
1 stop21h 00m
Fri 3/56:00 am -
2 stops23h 38m
Deal found 9/6![United Airlines logo]()
$746
This United deal was found by Cheapflights users on 9/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:25 pm -
1 stop16h 55m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 9/8![Multiple Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 am -
1 stop20h 35m
Sun 11/111:30 am -
1 stop34h 35m
Deal found 9/7![Delta logo]()
$776
This British Airways deal was found by Cheapflights users on 9/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/236:55 pm -
1 stop17h 00m
Mon 2/112:55 pm -
1 stop33h 50m
Deal found 9/6![British Airways logo]()
$805
This United Airlines deal was found by Cheapflights users on 9/8. 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 3/18:30 am -
1 stop19h 00m
Fri 3/56:00 am -
2 stops18h 44m
Deal found 9/8![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:30 pm -
2 stops19h 00m
Tue 12/85:00 am -
2 stops18h 37m
Deal found 9/6![Delta logo]()
$790
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/292:25 pm -
1 stop12h 45m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 9/8![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2611:20 am -
1 stop14h 40m
Sun 1/3110:00 am -
1 stop17h 19m
Deal found 9/6![Delta logo]()
$802
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 1/245:15 am -
2 stops20h 55m
Sun 1/315:00 am -
1 stop15h 05m
Deal found 9/6![United Airlines logo]()
$784
This Delta deal was found by Cheapflights users on 9/4. 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.
Mon 10/193:59 pm -
1 stop12h 31m
Mon 10/265:00 am -
1 stop17h 05m
Deal found 9/4![Delta logo]()
$846
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/136:00 am -
2 stops19h 00m
Thu 10/2211:50 am -
2 stops41h 08m
Deal found 9/7![United Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/194:30 pm -
1 stop33h 10m
Mon 10/265:40 pm -
2 stops27h 00m
Deal found 9/4![Multiple Airlines logo]()
$1,066
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:10 pm -
2 stops17h 55m
Wed 10/147:40 pm -
2 stops25h 59m
Deal found 9/7![British Airways logo]()
$1,137
This Ovago deal was found by Cheapflights users on 9/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:40 pm -
1 stop32h 40m
Mon 11/165:50 pm -
1 stop26h 57m
Deal found 9/5![Multiple Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/2212:15 pm -
2 stops36h 55m
Thu 10/296:00 am -
2 stops18h 04m
Deal found 9/7![United Airlines logo]()
$869
This Mytrip deal was found by Cheapflights users on 9/4. 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 10/184:30 pm -
2 stops26h 45m
Tue 11/36:40 am -
3 stops34h 31m
Deal found 9/4![Multiple Airlines logo]()
$1,101
This British Airways deal was found by Cheapflights users on 9/8. 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.
Fri 10/210:30 pm -
1 stop14h 35m
Thu 10/157:55 pm -
1 stop25h 30m
Deal found 9/8![British Airways logo]()
$1,298
This oojo deal was found by Cheapflights users on 9/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:25 pm -
2 stops59h 10m
Sun 10/114:55 pm -
1 stop27h 05m
Deal found 9/5![Lufthansa logo]()
$1,588
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:41 am -
2 stops19h 49m
Sun 11/2212:45 pm -
1 stop34h 00m
Deal found 9/4![Multiple Airlines logo]()
$1,113
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:10 pm -
2 stops23h 25m
Mon 11/169:30 am -
2 stops32h 50m
Deal found 9/5![Multiple Airlines logo]()
$1,114
This Lufthansa deal was found by Cheapflights users on 9/8. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:05 pm -
1 stop14h 25m
Sun 10/183:25 pm -
1 stop28h 35m
Deal found 9/8![Lufthansa logo]()
$1,734
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated September 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 pm -
1 stop15h 40m
Tue 10/137:10 am -
1 stop19h 25m
Deal found 9/8![British Airways logo]()
$721
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 pm -
2 stops14h 50m
Thu 10/2212:25 pm -
2 stops16h 18m
Deal found 9/8![American Airlines logo]()
$628
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:30 pm -
1 stop18h 45m
Sat 11/77:00 am -
1 stop15h 45m
Deal found 9/8![British Airways logo]()
$741
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:30 pm -
1 stop18h 45m
Sat 11/710:40 am -
2 stops18h 19m
Deal found 9/8![American Airlines logo]()
$746
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Thu 10/157:05 am -
2 stops22h 40m
Sat 11/79:55 pm -
2 stops24h 50m
Deal found 9/8![Iberia logo]()
$701
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 10/1911:25 am -
1 stop17h 05m
Wed 11/411:15 am -
1 stop34h 50m
Deal found 9/5![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:30 am -
1 stop18h 30m
Tue 11/311:30 am -
2 stops28h 30m
Deal found 9/7![Delta logo]()
$736
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:32 pm -
2 stops58h 08m
Sat 10/318:40 pm -
2 stops50h 46m
Deal found 9/8![Iberia logo]()
$671
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:55 pm -
1 stop33h 05m
Tue 11/311:30 am -
2 stops28h 30m
Deal found 9/7![Delta logo]()
$742
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 am -
1 stop20h 35m
Tue 11/310:00 am -
1 stop19h 10m
Deal found 9/7![Delta logo]()
$747
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Fri 10/307:07 pm -
2 stops57h 13m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 9/8![Multiple Airlines logo]()
$743
This Travelocity deal was found by Cheapflights users on 9/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:07 pm -
2 stops57h 13m
Tue 11/1011:20 am -
2 stops29h 49m
Deal found 9/7![Air Canada logo]()
$745
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 September 9, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/310:58 am -
3 stops40h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/105:47 pm -
2 stops58h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:58 am -
2 stops40h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/5. 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 12/286:00 am -
1 stop21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:55 pm -
1 stop21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![British Airways logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:25 pm -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/284:25 pm -
3 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 12/65:45 pm -
3 stops34h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:30 pm -
2 stops34h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/5. 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 12/287:14 pm -
2 stops30h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$369
This KLM deal was found by Cheapflights users on 9/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/316:15 pm -
2 stops57h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![KLM logo]()
$375
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:25 pm -
1 stop13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Transat logo]()
$464
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $572 (Expedia) |
One-way from | $331 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,111 |
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 7,457,451 searches. Data last updated September 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 Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Sat 10/3
10:58 am-9:15 am
3 stops40h 17m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$331
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 12/28
6:00 am-9:30 am
1 stop21h 30m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$346
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sun 12/6
3:47 pm-9:45 pm
2 stops23h 58m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$358
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sun 12/6
5:45 pm-10:40 am
3 stops34h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$367
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Mon 12/28
7:14 pm-8:10 am
2 stops30h 56m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$369
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Sun 1/31
6:15 pm-9:35 am
2 stops57h 20m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$375
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
6:15 pm-5:30 pm
2 stops17h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$468
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Wed 10/7
7:15 am-8:20 am
2 stops19h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$469
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Sun 1/31
3:55 pm-12:50 pm
3 stops38h 55m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$478
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
5:55 pm-8:10 am
1 stop32h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$478
Showing 1-10 of 50 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-FNC
AUS-PDL
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-OPO
AUS-LIS
AUS-FNC
AUS-PDL
What is the cheapest month to book a flight from Austin to Portugal?
Currently, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $672). Flying from Austin to Portugal in December is currently the most expensive (average of $1,319). 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 77 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 September 9, 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.
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - 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.
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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 September 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 9 airlines flying from Austin to Portugal
Discover the top 9 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$991 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$934 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$838 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$573 | Average$893 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,079 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$695 | Average$1,183 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |