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Cheap flights from Portugal to Austin from $412

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 6/8. 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.
Air Transat Logo
8:15 am - 3:25 pm
LIS
-
AUS
37h 10m
2 stops
Air Transat Logo
4:25 pm - 6:30 am
AUS
-
LIS
32h 05m
2 stops
$950Air Transat
Thu, Jul 23 - Thu, Aug 13
Delta Logo
5:00 am - 4:10 pm
LIS
-
AUS
17h 10m
1 stop
Delta Logo
2:25 pm - 10:45 am
AUS
-
LIS
14h 20m
1 stop
$964Delta
Thu, Jun 4 - Sat, Jun 20
Multiple Airlines Logo
11:30 am - 4:05 pm
LIS
-
AUS
34h 35m
1 stop
Multiple Airlines Logo
1:40 pm - 11:20 am
AUS
-
LIS
15h 40m
2 stops
$967Multiple Airlines
Sun, Nov 1 - Sun, Nov 15
KLM Logo
3:35 pm - 4:05 pm
LIS
-
AUS
30h 30m
1 stop
KLM Logo
7:30 am - 8:00 am
AUS
-
LIS
18h 30m
1 stop
$970KLM
Sun, Nov 1 - Sun, Nov 15
KLM Logo
3:35 pm - 4:05 pm
LIS
-
AUS
30h 30m
1 stop
KLM Logo
11:20 am - 8:00 am
AUS
-
LIS
14h 40m
1 stop
$976KLM
Sun, Nov 1 - Sun, Nov 15
British Airways Logo
4:50 pm - 8:35 pm
FAO
-
AUS
33h 45m
1 stop
British Airways Logo
5:55 pm - 2:45 pm
AUS
-
FAO
14h 50m
1 stop
$991British Airways
Thu, Sep 24 - Mon, Sep 28
British Airways Logo
4:50 pm - 3:25 pm
FAO
-
AUS
28h 35m
1 stop
British Airways Logo
5:55 pm - 2:45 pm
AUS
-
FAO
14h 50m
1 stop
$992British Airways
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
1:30 pm - 3:25 pm
OPO
-
AUS
31h 55m
1 stop
Multiple Airlines Logo
6:30 am - 10:00 pm
AUS
-
OPO
33h 30m
2 stops
$1,031Multiple Airlines
Mon, Jul 27 - Sun, Aug 16
United Airlines Logo
3:25 pm - 2:00 pm
FAO
-
AUS
28h 35m
1 stop
United Airlines Logo
12:20 pm - 2:30 pm
AUS
-
FAO
20h 10m
2 stops
$1,059United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
3:25 pm - 2:00 pm
FAO
-
AUS
28h 35m
1 stop
United Airlines Logo
12:20 pm - 2:30 pm
AUS
-
FAO
20h 10m
2 stops
$1,060United Airlines
Thu, Sep 24 - Mon, Sep 28

Finnair flights from Portugal to Austin

Our best Finnair deals on Portugal to Austin flight tickets
Finnair
Jun 20
LIS6:35 amLisbon Humberto Delgado
23h 24m
2 stops
AUS11:59 pmAustin Bergstrom
Aug 5
AUS3:28 pmAustin Bergstrom
25h 57m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$1,123
Finnair
Jun 20
LIS6:35 amLisbon Humberto Delgado
23h 24m
2 stops
AUS11:59 pmAustin Bergstrom
Aug 5
AUS3:28 pmAustin Bergstrom
25h 57m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$1,124
Finnair
Jun 20
LIS6:35 amLisbon Humberto Delgado
23h 24m
2 stops
AUS11:59 pmAustin Bergstrom
Aug 5
AUS2:06 pmAustin Bergstrom
27h 19m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$1,131

British Airways flights from Portugal to Austin

Our best British Airways deals on Portugal to Austin flight tickets
British Airways
Sep 24
FAO4:50 pmFaro
33h 45m
1 stop
AUS8:35 pmAustin Bergstrom
Sep 28
AUS5:55 pmAustin Bergstrom
14h 50m
1 stop
FAO2:45 pmFaro
$991
British Airways
Sep 24
FAO4:50 pmFaro
28h 35m
1 stop
AUS3:25 pmAustin Bergstrom
Sep 28
AUS5:55 pmAustin Bergstrom
14h 50m
1 stop
FAO2:45 pmFaro
$992
British Airways
Jun 10
LIS7:20 amLisbon Humberto Delgado
20h 20m
2 stops
AUS9:40 pmAustin Bergstrom
Jul 8
AUS5:55 pmAustin Bergstrom
15h 45m
1 stop
LIS3:40 pmLisbon Humberto Delgado
$1,026

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 May 21, 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

Thu 7/23

8:15 am-3:25 pm

2 stops37h 10m

Austin Bergstrom

Thu 8/13

4:25 pm-6:30 am

2 stops32h 05m

$950
Quickest round-trip

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 6/4

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Sat 6/20

2:25 pm-10:45 am

1 stop14h 20m

$964

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

11:30 am-4:05 pm

1 stop34h 35m

Austin Bergstrom

Sun 11/15

1:40 pm-11:20 am

2 stops15h 40m

$967

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

3:35 pm-4:05 pm

1 stop30h 30m

Austin Bergstrom

Sun 11/15

7:30 am-8:00 am

1 stop18h 30m

$970

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

3:35 pm-4:05 pm

1 stop30h 30m

Austin Bergstrom

Sun 11/15

11:20 am-8:00 am

1 stop14h 40m

$976

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 9/24

4:50 pm-8:35 pm

1 stop33h 45m

Austin Bergstrom

Mon 9/28

5:55 pm-2:45 pm

1 stop14h 50m

$991

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 9/24

4:50 pm-3:25 pm

1 stop28h 35m

Austin Bergstrom

Mon 9/28

5:55 pm-2:45 pm

1 stop14h 50m

$992

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 7/27

1:30 pm-3:25 pm

1 stop31h 55m

Austin Bergstrom

Sun 8/16

6:30 am-10:00 pm

2 stops33h 30m

$1,031

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 9/24

3:25 pm-2:00 pm

1 stop28h 35m

Austin Bergstrom

Mon 9/28

12:20 pm-2:30 pm

2 stops20h 10m

$1,059

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 9/24

3:25 pm-2:00 pm

1 stop28h 35m

Austin Bergstrom

Mon 9/28

12:20 pm-2:30 pm

2 stops20h 10m

$1,060

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 December. Flight prices, which tend to average around $355, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in December, then October is your next best option. Flight prices from Portugal to Austin during October average around $588.

Can stopping save me money on Portugal to Austin flights?

You could potentially save up to 3% 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

17h 59m

Direct flights

None
The fastest flight from Portugal to Austin takes 17h 59m
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
Marble Falls
Cedar Park
Horseshoe Bay
Canyon Lake
Dripping Springs
Pflugerville
Seguin
Bastrop
Kyle
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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