$476+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — OPO
Apr 9 — Apr 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 March 10, 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 March 10, 2026.
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:50 am
AUS
- OPO
2 stops18h 55m
Iberia
Tue 12/224:40 pm
OPO
- AUS
2 stops30h 10m
Iberia
Deal found 3/9![Iberia logo]()
$615
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Wed 9/22:25 pm
OPO
- AUS
2 stops27h 27m
Air Canada
Deal found 3/8![Air Canada logo]()
$639
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 11/132:00 pm
AUS
- OPO
1 stop13h 30m
United Airlines
Tue 11/1712:30 pm
OPO
- AUS
2 stops27h 52m
United Airlines
Deal found 3/8![United Airlines logo]()
$642
This Air France deal was found by Cheapflights users on 3/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:34 pm
AUS
- OPO
2 stops17h 51m
Multiple Airlines
Thu 5/75:00 am
OPO
- AUS
1 stop17h 10m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 3/9. 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 12/76:45 am
AUS
- OPO
2 stops21h 45m
Delta
Thu 12/245:00 am
OPO
- AUS
2 stops23h 57m
Delta
Deal found 3/9![Delta logo]()
$652
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Wed 8/262:25 pm
OPO
- AUS
1 stop35h 47m
Air Canada
Deal found 3/8![Air Canada logo]()
$653
This Delta deal was found by Cheapflights users on 3/7. 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 4/2112:00 pm
AUS
- OPO
2 stops21h 25m
Delta
Tue 4/285:00 am
OPO
- AUS
2 stops23h 07m
Delta
Deal found 3/7![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 3/8. 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 8/1910:44 am
AUS
- OPO
1 stop14h 11m
United Airlines
Thu 8/279:00 am
OPO
- AUS
1 stop14h 09m
United Airlines
Deal found 3/8![United Airlines logo]()
$661
This Orbitz deal was found by Cheapflights users on 3/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:16 pm
AUS
- OPO
2 stops17h 29m
Iberia
Wed 4/298:20 am
OPO
- AUS
2 stops21h 27m
Iberia
Deal found 3/6![Iberia logo]()
$664
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 March 10, 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 March 10, 2026.
This Air France deal was found by Cheapflights users on 3/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:34 pm
AUS
- OPO
2 stops17h 51m
Multiple Airlines
Thu 5/75:00 am
OPO
- AUS
1 stop17h 10m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 3/7. 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 4/2112:00 pm
AUS
- OPO
2 stops21h 25m
Delta
Tue 4/285:00 am
OPO
- AUS
2 stops23h 07m
Delta
Deal found 3/7![Delta logo]()
$657
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:08 pm
AUS
- OPO
2 stops21h 22m
British Airways
Tue 5/1912:25 pm
OPO
- AUS
2 stops16h 25m
British Airways
Deal found 3/9![British Airways logo]()
$747
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/219:50 am
AUS
- OPO
2 stops17h 55m
United Airlines
Tue 4/2812:35 pm
OPO
- AUS
1 stop14h 32m
United Airlines
Deal found 3/7![United Airlines logo]()
$926
This Delta deal was found by Cheapflights users on 3/6. 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.
Wed 5/62:00 pm
AUS
- OPO
2 stops19h 25m
Delta
Sat 5/235:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 3/6![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 3/9. 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 5/91:00 pm
AUS
- OPO
2 stops20h 25m
Delta
Sat 5/235:00 am
OPO
- AUS
2 stops22h 07m
Delta
Deal found 3/9![Delta logo]()
$797
This Delta deal was found by Cheapflights users on 3/6. 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 4/26:05 pm
AUS
- OPO
1 stop15h 25m
Delta
Tue 4/75:00 am
OPO
- AUS
2 stops22h 44m
Delta
Deal found 3/6![Delta logo]()
$805
Last-minute flights from Austin to PortoDiscover last-minute flight deals from Austin to Porto. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Porto. Data last updated March 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/6. 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 4/26:05 pm
AUS
- OPO
1 stop15h 25m
Delta
Tue 4/75:00 am
OPO
- AUS
2 stops22h 44m
Delta
Deal found 3/6![Delta logo]()
$805
This Air France deal was found by Cheapflights users on 3/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:46 pm
AUS
- OPO
2 stops16h 39m
Multiple Airlines
Sun 4/1911:45 am
OPO
- AUS
1 stop34h 25m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$697
This Expedia deal was found by Cheapflights users on 3/8. 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.
Mon 4/134:12 pm
AUS
- OPO
2 stops21h 48m
Iberia
Sun 4/198:40 pm
OPO
- AUS
2 stops33h 07m
Iberia
Deal found 3/8![Iberia logo]()
$725
This KLM deal was found by Cheapflights users on 3/8. 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 4/136:05 pm
AUS
- OPO
1 stop17h 50m
KLM
Sun 4/197:00 pm
OPO
- AUS
1 stop27h 10m
KLM
Deal found 3/8![KLM logo]()
$750
This Air France deal was found by Cheapflights users on 3/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:34 pm
AUS
- OPO
2 stops17h 51m
Multiple Airlines
Thu 5/75:00 am
OPO
- AUS
1 stop17h 10m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 3/7. 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 4/2112:00 pm
AUS
- OPO
2 stops21h 25m
Delta
Thu 5/75:00 am
OPO
- AUS
2 stops23h 02m
Delta
Deal found 3/7![Delta logo]()
$657
This Trip.com deal was found by Cheapflights users on 3/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:55 pm
AUS
- OPO
3 stops32h 15m
Multiple Airlines
Tue 4/287:00 am
OPO
- AUS
3 stops38h 25m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$835
This Orbitz deal was found by Cheapflights users on 3/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:16 pm
AUS
- OPO
2 stops17h 29m
Iberia
Wed 4/298:20 am
OPO
- AUS
2 stops21h 27m
Iberia
Deal found 3/6![Iberia logo]()
$664
This Iberia deal was found by Cheapflights users on 3/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:55 pm
AUS
- OPO
1 stop19h 00m
Multiple Airlines
Wed 4/2912:25 pm
OPO
- AUS
2 stops17h 22m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$711
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:55 pm
AUS
- OPO
1 stop19h 00m
British Airways
Wed 4/298:20 pm
OPO
- AUS
1 stop25h 05m
British Airways
Deal found 3/6![British Airways logo]()
$740
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 4/225:55 pm
AUS
- OPO
1 stop19h 00m
British Airways
Fri 5/89:25 pm
OPO
- AUS
1 stop24h 00m
British Airways
Deal found 3/8![British Airways logo]()
$787
This Expedia deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Fri 4/244:46 pm
AUS
- OPO
2 stops23h 14m
Air France
Fri 5/19:25 am
OPO
- AUS
2 stops18h 42m
Air France
Deal found 3/10![Air France logo]()
$754
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 March 10, 2026.
Search for one-way flight options from Austin to Porto. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/297:16 pm
AUS
- OPO
2 stops41h 44m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$476
This KLM deal was found by Cheapflights users on 3/5. 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 4/266:15 pm
AUS
- OPO
2 stops15h 15m
KLM
Deal found 3/5![KLM logo]()
$537
This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 4/2612:31 pm
AUS
- OPO
2 stops20h 54m
Delta
Deal found 3/9![Delta logo]()
$558
This Air France deal was found by Cheapflights users on 3/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:46 pm
AUS
- OPO
2 stops16h 39m
Air France
Deal found 3/6![Air France logo]()
$607
This KLM deal was found by Cheapflights users on 3/7. 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.
Thu 4/236:05 pm
AUS
- OPO
1 stop22h 10m
KLM
Deal found 3/7![KLM logo]()
$608
This Iberia deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Thu 4/234:12 pm
AUS
- OPO
2 stops17h 48m
Iberia
Deal found 3/10![Iberia logo]()
$628
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/233:45 pm
AUS
- OPO
1 stop12h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$633
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Thu 4/2310:50 am
AUS
- OPO
1 stop16h 55m
Lufthansa
Deal found 3/10![Lufthansa logo]()
$708
This KAYAK deal was found by Cheapflights users on 3/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:40 am
AUS
- OPO
1 stop17h 05m
Lufthansa
Deal found 3/5![Lufthansa logo]()
$816
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $639 (Air Canada) |
One-way from | $476 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $752 |
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 March 10, 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
Tue 4/21
3:34 pm-3:25 pm
2 stops17h 51m
Porto
Thu 5/7
5:00 am-4:10 pm
1 stop17h 10m
$647
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 4/21
12:00 pm-3:25 pm
2 stops21h 25m
Porto
Tue 4/28
5:00 am-10:07 pm
2 stops23h 07m
$657
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 5/6
2:00 pm-3:25 pm
2 stops19h 25m
Porto
Sat 5/23
5:00 am-4:10 pm
1 stop17h 10m
$737
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 5/12
4:08 pm-7:30 pm
2 stops21h 22m
Porto
Tue 5/19
12:25 pm-10:50 pm
2 stops16h 25m
$747
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 5/9
1:00 pm-3:25 pm
2 stops20h 25m
Porto
Sat 5/23
5:00 am-9:07 pm
2 stops22h 07m
$797
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 4/2
6:05 pm-3:30 pm
1 stop15h 25m
Porto
Tue 4/7
5:00 am-9:44 pm
2 stops22h 44m
$805
Quickest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 4/21
9:50 am-9:45 am
2 stops17h 55m
Porto
Tue 4/28
12:35 pm-9:07 pm
1 stop14h 32m
$926
Cheapest one-way
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 5/29
4:38 pm-9:30 am
3 stops34h 52m
$499
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 4/26
6:15 pm-3:30 pm
2 stops15h 15m
$537
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 4/26
12:31 pm-3:25 pm
2 stops20h 54m
$558
Showing 1-10 of 14 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
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 March 10, 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.
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Austin
Popular flights
Porto flight routes
Alternative routes for Austin to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Porto by cabin class
Find flights from Austin to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Porto flights
Browse other Austin and Porto flight options. Last updated on March 10, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Top 4 airlines flying from Austin to Porto
Discover the top 4 airlines that operate flights from Austin to Porto. 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$531 | Average$881 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$589 | Average$855 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$668 | Average$961 | FlexibilityNo cancel fee | On-time76% |