$440+ Cheap flights from Austin (AUS) to Porto (OPO)
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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — OPO
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Porto 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 Austin to Porto
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Best
Last-minute
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Cheapest flights from Austin to PortoExplore the most affordable flight options available from Austin to Porto. 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 Porto. 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 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
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 12/76:01 pm
AUS
- OPO
1 stop34h 29m
Delta
Mon 1/1111:15 am
OPO
- AUS
2 stops36h 19m
Delta
Deal found 6/8![Delta logo]()
$777
Best flights from Austin to PortoDiscover carefully curated flight deals from Austin to Porto 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 Porto 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 6/6. 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 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 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.
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 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 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
Last-minute flights from Austin to PortoDiscover last-minute flight deals from Austin to Porto. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Porto. 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 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 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 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 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.
Thu 7/237:05 am
AUS
- OPO
1 stop17h 50m
United Airlines
Thu 7/3011:50 am
OPO
- AUS
2 stops35h 08m
United Airlines
Deal found 6/8![United Airlines logo]()
$967
One-way flights from Austin to PortoSearch for one-way flight options from Austin to Porto. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Austin to Porto. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
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
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 9/125:04 pm
AUS
- OPO
2 stops31h 51m
United Airlines
Deal found 6/6![United Airlines logo]()
$469
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.
Sat 9/1211:20 am
AUS
- OPO
1 stop17h 00m
KLM
Deal found 6/8![KLM logo]()
$533
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.
Tue 8/257:00 am
AUS
- OPO
3 stops18h 00m
United Airlines
Deal found 6/7![United Airlines logo]()
$686
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.
Tue 7/217:10 am
AUS
- OPO
3 stops17h 50m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$704
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:28 pm
AUS
- OPO
2 stops42h 32m
Iberia
Deal found 6/4![Iberia logo]()
$1,074
Find flight deals from Austin to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Porto (OPO). 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 June 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $733 (Delta) |
One-way from | $440 (United Airlines) |
Popular in | May |
Cheapest in | March |
Average price | $794 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Porto 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 Porto 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
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
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 8/18
3:46 pm-10:30 am
1 stop12h 44m
Porto
Wed 8/26
7:10 pm-4:10 pm
1 stop27h 00m
$853
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 9/25
7:15 am-7:10 am
2 stops17h 55m
Porto
Tue 10/6
12:15 pm-10:54 pm
3 stops40h 39m
$854
Quickest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/17
6:05 pm-7:15 pm
1 stop19h 10m
Porto
Thu 9/24
5:00 am-4:10 pm
1 stop17h 10m
$858
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 12/6
6:55 pm-4:40 pm
1 stop15h 45m
Porto
Sun 1/10
8:05 pm-4:50 pm
1 stop26h 45m
$903
Cheapest one-way
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 9/18
5:30 am-7:10 am
2 stops19h 40m
$440
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Austin to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Porto in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Austin-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Austin-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Porto flights, Cheapflights users trust Ovago the most. Ovago 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 Austin-Porto 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 Austin to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Austin with our price prediction graph.
AUS-OPO
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 Porto
What is the cheapest month to book a flight from Austin to Porto?
Currently, March is the cheapest month in which you can book a flight from Austin to Porto (average of $657). Flying from Austin to Porto in May is currently the most expensive (average of $1,225). 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 much does it cost to fly round-trip from Austin to Porto?
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated June 9, 2026.
Read through reviews of airlines operating flights from Austin to Porto, such as Delta,KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Find useful and relevant information for your journey from Austin to Porto. 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 Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra
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Top 4 airlines flying from Austin to Porto
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$531 | Average$927 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$1,104 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$850 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$668 | Average$961 | FlexibilityNo cancel fee | On-time76% |