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Cheap flights from Porto to Austin from $492

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Austin departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Porto to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:00 am - 8:44 pmOPO-AUS
20h 44m2 stops
Lufthansa Logo
4:10 pm - 2:45 pmAUS-OPO
16h 35m1 stop
$819Lufthansa
Find Deal
Fri, Feb 13 - Tue, Feb 17
Lufthansa Logo
6:00 am - 8:44 pmOPO-AUS
20h 44m2 stops
Lufthansa Logo
4:10 pm - 10:25 pmAUS-OPO
24h 15m1 stop
$820Lufthansa
Find Deal
Fri, Feb 13 - Tue, Feb 17
Delta Logo
6:30 am - 10:28 amOPO-AUS
33h 58m2 stops
Delta Logo
8:10 am - 10:30 amAUS-OPO
20h 20m2 stops
$843Delta
Find Deal
Fri, Feb 13 - Tue, Feb 17
Delta Logo
6:30 am - 10:52 pmOPO-AUS
22h 22m2 stops
Delta Logo
5:30 am - 10:30 amAUS-OPO
23h 00m2 stops
$844Delta
Find Deal
Fri, Feb 13 - Tue, Feb 17
British Airways Logo
6:25 pm - 9:39 pmOPO-AUS
33h 14m2 stops
British Airways Logo
10:30 pm - 7:50 pmAUS-OPO
15h 20m1 stop
$1,176British Airways
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Tue, Jan 6 - Mon, Jun 8
British Airways Logo
6:25 pm - 9:39 pmOPO-AUS
33h 14m2 stops
British Airways Logo
10:30 pm - 8:20 pmAUS-OPO
15h 50m1 stop
$1,178British Airways
Find Deal
Tue, Jan 6 - Sun, Jun 14
Multiple Airlines Logo
8:05 pm - 4:50 pmOPO-AUS
26h 45m1 stop
Multiple Airlines Logo
10:30 pm - 7:50 pmAUS-OPO
15h 20m1 stop
$1,527Multiple Airlines
Find Deal
Sun, Jan 4 - Mon, Jun 8
Iberia Logo
8:45 am - 12:40 amOPO-AUS
21h 55m2 stops
Iberia Logo
6:00 pm - 8:00 pmAUS-OPO
20h 00m2 stops
$1,595Iberia
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Sun, Jan 4 - Mon, Jun 8
Multiple Airlines Logo
12:30 pm - 2:15 pmOPO-AUS
31h 45m1 stop
Multiple Airlines Logo
10:00 am - 6:30 pmAUS-OPO
26h 30m2 stops
$1,603Multiple Airlines
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Sat, Jan 3 - Sun, Jun 14
Iberia Logo
8:40 pm - 8:57 pmOPO-AUS
30h 17m2 stops
Iberia Logo
6:35 pm - 8:00 pmAUS-OPO
19h 25m2 stops
$1,698Iberia
Find Deal
Sun, Jan 4 - Sun, Jun 14

Lufthansa flights from Porto to Austin

Our best Lufthansa deals on Porto to Austin flight tickets
Lufthansa
Feb 13
OPO6:00 amPorto
20h 44m
2 stops
AUS8:44 pmAustin Bergstrom
Feb 17
AUS4:10 pmAustin Bergstrom
16h 35m
1 stop
OPO2:45 pmPorto
$819
Find similar
Lufthansa
Feb 13
OPO6:00 amPorto
20h 44m
2 stops
AUS8:44 pmAustin Bergstrom
Feb 17
AUS4:10 pmAustin Bergstrom
24h 15m
1 stop
OPO10:25 pmPorto
$820
Find similar
Lufthansa
Feb 13
OPO6:00 amPorto
20h 44m
2 stops
AUS8:44 pmAustin Bergstrom
Feb 17
AUS4:10 pmAustin Bergstrom
24h 15m
1 stop
OPO10:25 pmPorto
$821
Find similar

Delta flights from Porto to Austin

Our best Delta deals on Porto to Austin flight tickets
Delta
Feb 13
OPO6:30 amPorto
33h 58m
2 stops
AUS10:28 amAustin Bergstrom
Feb 17
AUS8:10 amAustin Bergstrom
20h 20m
2 stops
OPO10:30 amPorto
$843
Find similar
Delta
Feb 13
OPO6:30 amPorto
22h 22m
2 stops
AUS10:52 pmAustin Bergstrom
Feb 17
AUS5:30 amAustin Bergstrom
23h 00m
2 stops
OPO10:30 amPorto
$844
Find similar
Delta
Feb 13
OPO6:30 amPorto
22h 22m
2 stops
AUS10:52 pmAustin Bergstrom
Feb 17
AUS5:55 pmAustin Bergstrom
34h 35m
2 stops
OPO10:30 amPorto
$845
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 2/13

6:00 am-8:44 pm

2 stops20h 44m

Austin Bergstrom

Tue 2/17

4:10 pm-2:45 pm

1 stop16h 35m

$819

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 2/13

6:00 am-8:44 pm

2 stops20h 44m

Austin Bergstrom

Tue 2/17

4:10 pm-10:25 pm

1 stop24h 15m

$820

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 2/13

6:30 am-10:28 am

2 stops33h 58m

Austin Bergstrom

Tue 2/17

8:10 am-10:30 am

2 stops20h 20m

$843

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 2/13

6:30 am-10:52 pm

2 stops22h 22m

Austin Bergstrom

Tue 2/17

5:30 am-10:30 am

2 stops23h 00m

$844

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 1/6

6:25 pm-9:39 pm

2 stops33h 14m

Austin Bergstrom

Mon 6/8

10:30 pm-7:50 pm

1 stop15h 20m

$1,176

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 1/6

6:25 pm-9:39 pm

2 stops33h 14m

Austin Bergstrom

Sun 6/14

10:30 pm-8:20 pm

1 stop15h 50m

$1,178

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 1/4

8:05 pm-4:50 pm

1 stop26h 45m

Austin Bergstrom

Mon 6/8

10:30 pm-7:50 pm

1 stop15h 20m

$1,527

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 1/4

8:45 am-12:40 am

2 stops21h 55m

Austin Bergstrom

Mon 6/8

6:00 pm-8:00 pm

2 stops20h 00m

$1,595

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 1/3

12:30 pm-2:15 pm

1 stop31h 45m

Austin Bergstrom

Sun 6/14

10:00 am-6:30 pm

2 stops26h 30m

$1,603

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 1/4

8:40 pm-8:57 pm

2 stops30h 17m

Austin Bergstrom

Sun 6/14

6:35 pm-8:00 pm

2 stops19h 25m

$1,698

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Porto to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $872. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Austin for around $1,319.

Can stopping save me money on Porto to Austin flights?

You could potentially save up to 34% on your flight if you consider stops on a Porto to Austin flight.

When to book flights from Porto to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to Austin (OPO to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Austin

Direct flights

None
There are no direct flights from Porto to Austin. There are no popular flight routes from Porto to Austin.
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  • How far is Porto to Austin Bergstrom by plane?

    The straight-line distance from Porto to Austin Bergstrom is 4833.8 mi. By plane, this route typically takes 18h 37m.

  • When did momondo last update prices for flights from Porto Airport to Austin Bergstrom Airport?

    Prices for flights from Porto Airport to Austin Bergstrom Airport were last updated today.

  • How many operators does momondo search for flights from Porto Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Porto Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Porto to Austin?

Best airlines flying from Porto to Austin

Compare and see reviews for airlines that fly from Porto to Austin with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $809Free CancellationRating
7.7
1,405 reviews
Search KLM flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Seguin
Pflugerville
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Austin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto to Austin. momondo saves you time and could save you money on your trip.

Can I find flights from Porto to Austin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Austin from Porto with this policy.

How can momondo help me find flights from Porto to Austin?

momondo provides multiple filters to help you find the best flight to Austin from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto to Austin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Austin from Porto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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