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Cheap flights from Portugal to Austin from $318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Austin departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portugal to Austin

Recent round-trip flight deals from Portugal to Austin

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:35 pm - 12:21 pm
OPO
-
AUS
22h 46m
1 stop
Multiple Airlines Logo
1:26 pm - 6:55 pm
AUS
-
OPO
24h 29m
2 stops
$722Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
6:35 pm - 12:21 pm
OPO
-
AUS
22h 46m
1 stop
Multiple Airlines Logo
5:50 am - 7:55 am
AUS
-
OPO
21h 05m
2 stops
$737Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
12:15 pm - 11:24 pm
LIS
-
AUS
17h 09m
1 stop
Multiple Airlines Logo
5:50 am - 5:25 am
AUS
-
LIS
18h 35m
1 stop
$767Multiple Airlines
Sat, Mar 7 - Mon, Mar 23
Multiple Airlines Logo
6:35 pm - 12:21 pm
OPO
-
AUS
22h 46m
1 stop
Multiple Airlines Logo
1:26 pm - 11:50 am
AUS
-
OPO
17h 24m
1 stop
$768Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
6:35 pm - 12:21 pm
OPO
-
AUS
22h 46m
1 stop
Multiple Airlines Logo
6:12 am - 6:55 pm
AUS
-
OPO
31h 43m
3 stops
$777Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Scandinavian Airlines Logo
7:00 am - 9:16 pm
LIS
-
AUS
20h 16m
2 stops
Scandinavian Airlines Logo
1:40 pm - 9:00 am
AUS
-
LIS
37h 20m
2 stops
$831Scandinavian Airlines
Sat, May 16 - Thu, Sep 3
Delta Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m
1 stop
Delta Logo
6:05 pm - 3:30 pm
AUS
-
OPO
15h 25m
1 stop
$834Delta
Mon, Apr 6 - Mon, Apr 13
KLM Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m
1 stop
KLM Logo
6:05 pm - 5:55 pm
AUS
-
OPO
17h 50m
1 stop
$835KLM
Mon, Apr 6 - Mon, Apr 13
Delta Logo
5:00 am - 10:58 pm
OPO
-
AUS
23h 58m
2 stops
Delta Logo
6:39 pm - 5:55 pm
AUS
-
OPO
17h 16m
2 stops
$839Delta
Mon, Apr 6 - Mon, Apr 13
British Airways Logo
11:25 am - 4:50 pm
FAO
-
AUS
35h 25m
1 stop
British Airways Logo
6:55 pm - 10:30 am
AUS
-
FAO
33h 35m
1 stop
$1,033British Airways
Wed, Feb 25 - Sun, Mar 1

Scandinavian Airlines flights from Portugal to Austin

Our best Scandinavian Airlines deals on Portugal to Austin flight tickets
Scandinavian Airlines
May 16
LIS7:00 amLisbon Humberto Delgado
20h 16m
2 stops
AUS9:16 pmAustin Bergstrom
Sep 3
AUS1:40 pmAustin Bergstrom
37h 20m
2 stops
LIS9:00 amLisbon Humberto Delgado
$831
Scandinavian Airlines
May 16
LIS7:00 amLisbon Humberto Delgado
20h 16m
2 stops
AUS9:16 pmAustin Bergstrom
Sep 3
AUS1:40 pmAustin Bergstrom
37h 20m
2 stops
LIS9:00 amLisbon Humberto Delgado
$926
Scandinavian Airlines
May 16
LIS7:00 amLisbon Humberto Delgado
20h 16m
2 stops
AUS9:16 pmAustin Bergstrom
Sep 3
AUS11:20 amAustin Bergstrom
28h 45m
3 stops
LIS10:05 pmLisbon Humberto Delgado
$1,134

United Airlines flights from Portugal to Austin

Our best United Airlines deals on Portugal to Austin flight tickets
United Airlines
Feb 25
OPO6:00 amPorto
19h 02m
2 stops
AUS7:02 pmAustin Bergstrom
Mar 1
AUS4:10 pmAustin Bergstrom
11h 20m
1 stop
OPO9:30 amPorto
$865
United Airlines
Feb 25
OPO6:00 amPorto
22h 45m
2 stops
AUS10:45 pmAustin Bergstrom
Mar 1
AUS4:10 pmAustin Bergstrom
11h 20m
1 stop
OPO9:30 amPorto
$866
United Airlines
Feb 25
OPO12:30 pmPorto
31h 45m
1 stop
AUS2:15 pmAustin Bergstrom
Mar 1
AUS4:10 pmAustin Bergstrom
11h 20m
1 stop
OPO9:30 amPorto
$880

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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 February 13, 2026.
Use the filters below to find and compare flights from Portugal to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 3/13

6:35 pm-12:21 pm

1 stop22h 46m

Austin Bergstrom

Tue 3/17

1:26 pm-6:55 pm

2 stops24h 29m

$722

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 3/13

6:35 pm-12:21 pm

1 stop22h 46m

Austin Bergstrom

Tue 3/17

5:50 am-7:55 am

2 stops21h 05m

$737

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 3/7

12:15 pm-11:24 pm

1 stop17h 09m

Austin Bergstrom

Mon 3/23

5:50 am-5:25 am

1 stop18h 35m

$767

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 3/13

6:35 pm-12:21 pm

1 stop22h 46m

Austin Bergstrom

Tue 3/17

1:26 pm-11:50 am

1 stop17h 24m

$768

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 3/13

6:35 pm-12:21 pm

1 stop22h 46m

Austin Bergstrom

Tue 3/17

6:12 am-6:55 pm

3 stops31h 43m

$777

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/16

7:00 am-9:16 pm

2 stops20h 16m

Austin Bergstrom

Thu 9/3

1:40 pm-9:00 am

2 stops37h 20m

$831

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 4/6

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Mon 4/13

6:05 pm-3:30 pm

1 stop15h 25m

$834

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 4/6

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Mon 4/13

6:05 pm-5:55 pm

1 stop17h 50m

$835

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 4/6

5:00 am-10:58 pm

2 stops23h 58m

Austin Bergstrom

Mon 4/13

6:39 pm-5:55 pm

2 stops17h 16m

$839

FaroAustin

FAO - AUS

FAOAUS

Faro

Wed 2/25

11:25 am-4:50 pm

1 stop35h 25m

Austin Bergstrom

Sun 3/1

6:55 pm-10:30 am

1 stop33h 35m

$1,033

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 Portugal 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 month to fly to Austin?

The cheapest month to fly to Austin from Portugal is in February. Flight prices, which tend to average around $748, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in February, then May is your next best option. Flight prices from Portugal to Austin during May average around $773.

Can stopping save me money on Portugal to Austin flights?

You could potentially save up to 1% on your flight if you consider stops on a Portugal to Austin flight.

Cheap Portugal to Austin flight deals and tips

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

Fastest flight time

14h 03m

Direct flights

None
The fastest flight from Portugal to Austin takes 14h 03m
There are no direct flights from Portugal to Austin. There are no popular flight routes from Portugal to Austin.
Search flight deals

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

    Prices for flights from Portugal to Austin Bergstrom Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Portugal 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 Portugal 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.

Best airlines flying from Portugal to Austin

Compare and see reviews for airlines that fly from Portugal to Austin with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $729Free CancellationRating
6.7
7,736 reviews
Search British Airways 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
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Austin from Portugal which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Portugal and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Portugal to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

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