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Cheap flights from Portugal to Austin from $378

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Virgin Atlantic Logo
12:45 pm - 12:31 am
LIS
-
AUS
17h 46m
2 stops
Virgin Atlantic Logo
2:05 pm - 10:45 am
AUS
-
LIS
14h 40m
1 stop
$894Virgin Atlantic
Sat, May 16 - Thu, Sep 3
Multiple Airlines Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m
1 stop
Multiple Airlines Logo
6:00 pm - 10:30 am
AUS
-
OPO
34h 30m
1 stop
$930Multiple Airlines
Sat, May 16 - Sun, May 24
Delta Logo
5:00 am - 4:10 pm
LIS
-
AUS
17h 10m
1 stop
Delta Logo
3:45 pm - 2:55 pm
AUS
-
LIS
17h 10m
2 stops
$930Delta
Sat, May 23 - Mon, Jun 8
Delta Logo
5:00 am - 10:09 pm
LIS
-
AUS
23h 09m
2 stops
Delta Logo
3:45 pm - 2:55 pm
AUS
-
LIS
17h 10m
2 stops
$935Delta
Sat, May 23 - Mon, Jun 8
Delta Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m
1 stop
Delta Logo
3:55 pm - 10:25 am
AUS
-
OPO
12h 30m
1 stop
$945Delta
Sat, May 16 - Sun, May 24
United Airlines Logo
6:45 am - 9:34 pm
LIS
-
AUS
20h 49m
2 stops
United Airlines Logo
7:15 am - 10:30 am
AUS
-
LIS
21h 15m
1 stop
$950United Airlines
Tue, Apr 28 - Tue, May 5
Lufthansa Logo
4:20 pm - 2:00 pm
LIS
-
AUS
27h 40m
1 stop
Lufthansa Logo
10:40 am - 8:20 am
AUS
-
LIS
15h 40m
1 stop
$964Lufthansa
Tue, Apr 28 - Tue, May 5
British Airways Logo
8:00 pm - 3:25 pm
FAO
-
AUS
25h 25m
1 stop
British Airways Logo
4:55 pm - 6:45 pm
AUS
-
FAO
19h 50m
2 stops
$969British Airways
Wed, Apr 15 - Sun, Apr 19
British Airways Logo
4:25 pm - 3:25 pm
LIS
-
AUS
29h 00m
1 stop
British Airways Logo
10:30 pm - 11:05 pm
AUS
-
LIS
18h 35m
1 stop
$974British Airways
Sat, May 16 - Thu, Sep 3
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
AUS
23h 56m
2 stops
United Airlines Logo
7:15 am - 9:45 am
AUS
-
OPO
20h 30m
2 stops
$990United Airlines
Sat, May 16 - Sun, May 24

Delta flights from Portugal to Austin

Our best Delta deals on Portugal to Austin flight tickets
Delta
May 23
LIS5:00 amLisbon Humberto Delgado
17h 10m
1 stop
AUS4:10 pmAustin Bergstrom
Jun 8
AUS3:45 pmAustin Bergstrom
17h 10m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$930
Delta
May 23
LIS5:00 amLisbon Humberto Delgado
23h 09m
2 stops
AUS10:09 pmAustin Bergstrom
Jun 8
AUS3:45 pmAustin Bergstrom
17h 10m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$935
Delta
Apr 9
LIS5:00 amLisbon Humberto Delgado
23h 44m
2 stops
AUS10:44 pmAustin Bergstrom
Apr 23
AUS11:53 amAustin Bergstrom
17h 02m
2 stops
LIS10:55 amLisbon Humberto Delgado
$940

Iberia flights from Portugal to Austin

Our best Iberia deals on Portugal to Austin flight tickets
Iberia
May 13
LIS6:35 amLisbon Humberto Delgado
19h 08m
2 stops
AUS7:43 pmAustin Bergstrom
May 20
AUS2:14 pmAustin Bergstrom
12h 51m
1 stop
LIS9:05 amLisbon Humberto Delgado
$1,067
Iberia
May 13
LIS12:30 pmLisbon Humberto Delgado
17h 17m
2 stops
AUS11:47 pmAustin Bergstrom
May 20
AUS2:14 pmAustin Bergstrom
27h 11m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$1,098

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 April 2, 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

Cheapest round-trip

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/16

12:45 pm-12:31 am

2 stops17h 46m

Austin Bergstrom

Thu 9/3

2:05 pm-10:45 am

1 stop14h 40m

$894

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 5/16

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Sun 5/24

6:00 pm-10:30 am

1 stop34h 30m

$930

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/23

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Mon 6/8

3:45 pm-2:55 pm

2 stops17h 10m

$930

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/23

5:00 am-10:09 pm

2 stops23h 09m

Austin Bergstrom

Mon 6/8

3:45 pm-2:55 pm

2 stops17h 10m

$935
Quickest round-trip

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 5/16

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Sun 5/24

3:55 pm-10:25 am

1 stop12h 30m

$945

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 4/28

6:45 am-9:34 pm

2 stops20h 49m

Austin Bergstrom

Tue 5/5

7:15 am-10:30 am

1 stop21h 15m

$950

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 4/28

4:20 pm-2:00 pm

1 stop27h 40m

Austin Bergstrom

Tue 5/5

10:40 am-8:20 am

1 stop15h 40m

$964

FaroAustin

FAO - AUS

FAOAUS

Faro

Wed 4/15

8:00 pm-3:25 pm

1 stop25h 25m

Austin Bergstrom

Sun 4/19

4:55 pm-6:45 pm

2 stops19h 50m

$969

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/16

4:25 pm-3:25 pm

1 stop29h 00m

Austin Bergstrom

Thu 9/3

10:30 pm-11:05 pm

1 stop18h 35m

$974

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 5/16

6:00 am-11:56 pm

2 stops23h 56m

Austin Bergstrom

Sun 5/24

7:15 am-9:45 am

2 stops20h 30m

$990

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 May. Flight prices, which tend to average around $727, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in May, then February is your next best option. Flight prices from Portugal to Austin during February average around $740.

Can stopping save me money on Portugal to Austin flights?

You could potentially save up to 4% 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

19h 05m

Direct flights

None
The fastest flight from Portugal to Austin takes 19h 05m
There are no direct flights from Portugal to Austin. There are no popular flight routes from Portugal to Austin.
Search flight deals

Frequently asked questions about flying from Portugal to Austin

  • 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 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.

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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