$557+ Cheap flights from Porto (OPO) to Austin (AUS)
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — AUS
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Porto to Austin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Porto to Austin
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Cheapest flights from Porto to AustinExplore the most affordable flight options available from Porto to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Porto to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 11/235:00 am -
1 stop17h 05m
Fri 12/48:20 am -
2 stops20h 15m
Deal found 11/8![Delta logo]()
$944
This Delta deal was found by Cheapflights users on 11/9. 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.
Thu 11/195:00 am -
1 stop17h 05m
Wed 11/257:30 am -
1 stop18h 45m
Deal found 11/9![Delta logo]()
$947
This Delta deal was found by Cheapflights users on 11/8. 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 11/245:00 am -
2 stops24h 30m
Fri 12/411:40 am -
1 stop14h 35m
Deal found 11/8![Delta logo]()
$952
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/205:00 am -
2 stops23h 10m
Mon 11/237:30 am -
2 stops21h 05m
Deal found 11/6![Delta logo]()
$957
This Air France deal was found by Cheapflights users on 11/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:00 am -
1 stop17h 05m
Thu 1/711:59 am -
2 stops16h 36m
Deal found 11/9![Multiple Airlines logo]()
$966
This KLM deal was found by Cheapflights users on 11/9. 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.
Thu 12/105:00 am -
1 stop17h 05m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![KLM logo]()
$971
This Air France deal was found by Cheapflights users on 11/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:00 am -
2 stops21h 35m
Thu 1/711:59 am -
2 stops16h 36m
Deal found 11/9![Multiple Airlines logo]()
$972
This Delta deal was found by Cheapflights users on 11/9. 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.
Sat 12/125:00 am -
2 stops24h 07m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![Delta logo]()
$976
This KLM deal was found by Cheapflights users on 11/9. 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 12/1111:15 am -
2 stops19h 07m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![KLM logo]()
$977
This Justfly.com deal was found by Cheapflights users on 11/9. 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.
Fri 12/115:45 pm -
2 stops35h 22m
Wed 1/61:56 pm -
2 stops44h 59m
Deal found 11/9![Scandinavian Airlines logo]()
$986
Best flights from Porto to AustinDiscover carefully curated flight deals from Porto to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Porto to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 1/1512:25 pm -
2 stops41h 31m
Sun 1/1710:55 am -
2 stops14h 45m
Deal found 11/4![American Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 11/8. 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 11/235:00 am -
1 stop17h 05m
Fri 12/48:20 am -
2 stops20h 15m
Deal found 11/8![Delta logo]()
$944
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/2412:35 pm -
2 stops31h 45m
Thu 12/3112:11 pm -
2 stops15h 19m
Deal found 11/8![United Airlines logo]()
$988
This KLM deal was found by Cheapflights users on 11/5. 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.
Thu 12/105:00 am -
1 stop17h 05m
Sat 12/266:01 pm -
1 stop20h 54m
Deal found 11/5![KLM logo]()
$1,001
This Delta deal was found by Cheapflights users on 11/8. 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 11/265:00 am -
2 stops24h 30m
Thu 12/107:10 am -
2 stops21h 25m
Deal found 11/8![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 11/6. 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 4/96:00 am -
2 stops18h 44m
Tue 4/1311:07 am -
2 stops16h 38m
Deal found 11/6![United Airlines logo]()
$991
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Thu 11/1912:25 pm -
2 stops17h 41m
Wed 11/2510:02 am -
2 stops15h 38m
Deal found 11/7![American Airlines logo]()
$997
This Delta deal was found by Cheapflights users on 11/8. 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 11/245:00 am -
2 stops24h 30m
Fri 12/48:20 am -
2 stops20h 15m
Deal found 11/8![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/106:00 am -
2 stops32h 41m
Sat 12/266:35 am -
2 stops20h 55m
Deal found 11/5![United Airlines logo]()
$997
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/205:00 am -
2 stops23h 10m
Mon 11/237:30 am -
2 stops21h 05m
Deal found 11/6![Delta logo]()
$957
Last-minute flights from Porto to AustinDiscover last-minute flight deals from Porto to Austin. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Porto to Austin. Data last updated November 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/9. 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.
Thu 11/195:00 am -
1 stop17h 05m
Wed 11/257:30 am -
1 stop18h 45m
Deal found 11/9![Delta logo]()
$947
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/205:00 am -
2 stops23h 10m
Mon 11/237:30 am -
2 stops21h 05m
Deal found 11/6![Delta logo]()
$957
This Delta deal was found by Cheapflights users on 11/8. 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 11/235:00 am -
1 stop17h 05m
Fri 12/48:20 am -
2 stops20h 15m
Deal found 11/8![Delta logo]()
$944
This Delta deal was found by Cheapflights users on 11/8. 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 11/245:00 am -
2 stops24h 30m
Fri 12/411:40 am -
1 stop14h 35m
Deal found 11/8![Delta logo]()
$952
This Air France deal was found by Cheapflights users on 11/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:00 am -
1 stop17h 05m
Thu 1/711:59 am -
2 stops16h 36m
Deal found 11/9![Multiple Airlines logo]()
$966
This KLM deal was found by Cheapflights users on 11/9. 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.
Thu 12/105:00 am -
1 stop17h 05m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![KLM logo]()
$971
This Air France deal was found by Cheapflights users on 11/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:00 am -
2 stops21h 35m
Thu 1/711:59 am -
2 stops16h 36m
Deal found 11/9![Multiple Airlines logo]()
$972
This KLM deal was found by Cheapflights users on 11/9. 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 12/1111:15 am -
2 stops19h 07m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![KLM logo]()
$977
This Justfly.com deal was found by Cheapflights users on 11/9. 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.
Fri 12/115:45 pm -
2 stops35h 22m
Wed 1/61:56 pm -
2 stops44h 59m
Deal found 11/9![Scandinavian Airlines logo]()
$986
This Delta deal was found by Cheapflights users on 11/9. 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.
Sat 12/125:00 am -
2 stops24h 07m
Thu 1/76:01 pm -
1 stop15h 24m
Deal found 11/9![Delta logo]()
$976
One-way flights from Porto to AustinSearch for one-way flight options from Porto to Austin. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Porto to Austin. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This oojo deal was found by Cheapflights users on 11/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:55 pm -
2 stops44h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$557
This oojo deal was found by Cheapflights users on 11/5. 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.
Fri 12/119:55 pm -
2 stops44h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$612
This Iberia deal was found by Cheapflights users on 11/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/218:40 pm -
2 stops30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Iberia logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Wed 11/181:00 pm -
3 stops30h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$651
This FlightHub deal was found by Cheapflights users on 11/9. 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.
Sun 3/2112:25 pm -
2 stops39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![British Airways logo]()
$666
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:30 pm -
3 stops32h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 3/205:55 pm -
3 stops44h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$762
Find flight deals from Porto to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | eDreams 2 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $944 (Delta) |
One-way from | $557 (oojo) |
Cheapflights Fare Finder
Customize your flight search to find flights from Porto to Austin 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 November 10, 2026.
Use the filters below to find and compare flights from Porto to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Thu 12/3
9:55 pm-12:18 pm
2 stops44h 23m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$557
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Fri 12/11
9:55 pm-12:18 pm
2 stops44h 23m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$612
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Sun 3/21
8:40 pm-9:50 pm
2 stops30h 10m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$645
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Sat 3/20
5:55 pm-9:36 am
3 stops44h 41m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$762
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Thu 12/10
12:25 pm-9:02 am
2 stops26h 37m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$790
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Fri 1/15
12:25 pm-11:56 pm
2 stops41h 31m
Austin Bergstrom
Sun 1/17
10:55 am-7:40 am
2 stops14h 45m
$805
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Wed 11/18
9:55 pm-12:10 pm
2 stops44h 15m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$808
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Thu 12/3
5:00 am-4:05 pm
1 stop17h 05m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$849
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Thu 12/10
5:00 am-4:05 pm
1 stop17h 05m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$850
PortoAustin
OPO Porto - AUS Austin Bergstrom
OPOAUS
Porto
Sun 3/21
5:45 pm-11:45 am
1 stop23h 00m
Austin Bergstrom
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$860
Showing 1-10 of 21 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Porto-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-Austin flight deals on Cheapflights vs. eDreams 90-95% of the time. Price accuracy is based on data collected from Porto-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto-Austin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Porto to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Porto with our price prediction graph.
OPO-AUS
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.
Related info for your journey
Find useful and relevant information for your journey from Porto to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsRound Rock
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Georgetown
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Seguin
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