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Cheap flights from Austin to Portugal from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Portugal departing on 1/28. 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 Austin to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:20 am - 8:10 am
AUS
-
LIS
14h 50m1 stop
Lufthansa Logo
8:20 am - 11:30 pm
LIS
-
AUS
21h 10m2 stops
$424Lufthansa
Tue, Jan 13 - Tue, Jan 20
Lufthansa Logo
4:10 pm - 2:30 pm
AUS
-
LIS
16h 20m1 stop
Lufthansa Logo
6:30 pm - 2:15 pm
LIS
-
AUS
25h 45m1 stop
$476Lufthansa
Tue, Feb 10 - Sat, Feb 21
Delta Logo
7:20 am - 10:25 am
AUS
-
OPO
21h 05m2 stops
Delta Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m1 stop
$483Delta
Thu, Jan 22 - Thu, Jan 29
KLM Logo
6:05 pm - 3:25 pm
AUS
-
OPO
15h 20m1 stop
KLM Logo
5:00 am - 4:10 pm
OPO
-
AUS
17h 10m1 stop
$484KLM
Thu, Jan 22 - Thu, Jan 29
United Airlines Logo
9:50 am - 8:10 am
AUS
-
LIS
16h 20m2 stops
United Airlines Logo
11:20 am - 12:22 pm
LIS
-
AUS
31h 02m2 stops
$487United Airlines
Tue, Jan 13 - Tue, Jan 20
KLM Logo
9:30 am - 9:30 am
AUS
-
FAO
18h 00m2 stops
KLM Logo
6:50 pm - 4:10 pm
FAO
-
AUS
27h 20m1 stop
$487KLM
Tue, Feb 3 - Sun, Feb 8
United Airlines Logo
9:50 am - 8:10 am
AUS
-
LIS
16h 20m2 stops
United Airlines Logo
11:20 am - 1:19 pm
LIS
-
AUS
31h 59m2 stops
$490United Airlines
Fri, Jan 16 - Fri, Jan 23
Delta Logo
7:20 am - 10:25 am
AUS
-
OPO
21h 05m2 stops
Delta Logo
5:00 am - 6:46 pm
OPO
-
AUS
19h 46m2 stops
$493Delta
Thu, Jan 22 - Thu, Jan 29
British Airways Logo
7:00 pm - 10:45 am
AUS
-
FAO
33h 45m1 stop
British Airways Logo
7:00 pm - 4:50 pm
FAO
-
AUS
27h 50m1 stop
$639British Airways
Fri, Jan 16 - Thu, Jan 29
British Airways Logo
7:00 pm - 10:45 am
AUS
-
FAO
33h 45m1 stop
British Airways Logo
7:00 pm - 4:50 pm
FAO
-
AUS
27h 50m1 stop
$640British Airways
Fri, Jan 16 - Thu, Jan 29

Lufthansa flights from Austin to Portugal

Our best Lufthansa deals on Austin to Portugal flight tickets
Lufthansa
Jan 13
AUS11:20 amAustin Bergstrom
14h 50m
1 stop
LIS8:10 amLisbon Humberto Delgado
Jan 20
LIS8:20 amLisbon Humberto Delgado
21h 10m
2 stops
AUS11:30 pmAustin Bergstrom
$424
Find similar
Lufthansa
Feb 10
AUS4:10 pmAustin Bergstrom
16h 20m
1 stop
LIS2:30 pmLisbon Humberto Delgado
Feb 21
LIS6:30 pmLisbon Humberto Delgado
25h 45m
1 stop
AUS2:15 pmAustin Bergstrom
$475
Find similar
Lufthansa
Feb 10
AUS4:10 pmAustin Bergstrom
16h 20m
1 stop
LIS2:30 pmLisbon Humberto Delgado
Feb 21
LIS6:30 pmLisbon Humberto Delgado
25h 45m
1 stop
AUS2:15 pmAustin Bergstrom
$476
Find similar

United Airlines flights from Austin to Portugal

Our best United Airlines deals on Austin to Portugal flight tickets
United Airlines
Jan 13
AUS9:50 amAustin Bergstrom
16h 20m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 20
LIS11:20 amLisbon Humberto Delgado
31h 02m
2 stops
AUS12:22 pmAustin Bergstrom
$487
Find similar
United Airlines
Jan 16
AUS9:50 amAustin Bergstrom
16h 20m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 23
LIS11:20 amLisbon Humberto Delgado
31h 59m
2 stops
AUS1:19 pmAustin Bergstrom
$490
Find similar
United Airlines
Jan 16
AUS6:30 amAustin Bergstrom
27h 35m
2 stops
FAO4:05 pmFaro
Jan 29
FAO1:10 pmFaro
39h 37m
2 stops
AUS10:47 pmAustin Bergstrom
$505
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Portugal 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 December 18, 2025.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 1/13

11:20 am-8:10 am

1 stop14h 50m

Lisbon Humberto Delgado

Tue 1/20

8:20 am-11:30 pm

2 stops21h 10m

$424

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 2/10

4:10 pm-2:30 pm

1 stop16h 20m

Lisbon Humberto Delgado

Sat 2/21

6:30 pm-2:15 pm

1 stop25h 45m

$476

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/22

7:20 am-10:25 am

2 stops21h 05m

Porto

Thu 1/29

5:00 am-4:10 pm

1 stop17h 10m

$483

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/22

6:05 pm-3:25 pm

1 stop15h 20m

Porto

Thu 1/29

5:00 am-4:10 pm

1 stop17h 10m

$484

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 1/13

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-12:22 pm

2 stops31h 02m

$487

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Tue 2/3

9:30 am-9:30 am

2 stops18h 00m

Faro

Sun 2/8

6:50 pm-4:10 pm

1 stop27h 20m

$487

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Fri 1/16

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-1:19 pm

2 stops31h 59m

$490

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/22

7:20 am-10:25 am

2 stops21h 05m

Porto

Thu 1/29

5:00 am-6:46 pm

2 stops19h 46m

$493

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Fri 1/16

7:00 pm-10:45 am

1 stop33h 45m

Faro

Thu 1/29

7:00 pm-4:50 pm

1 stop27h 50m

$639

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Fri 1/16

7:00 pm-10:45 am

1 stop33h 45m

Faro

Thu 1/29

7:00 pm-4:50 pm

1 stop27h 50m

$640

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 Portugal from

How to get the cheapest flight ticket from Austin to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Austin is in February. Flight prices, which tend to average around $666, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Austin during November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $759.

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

According to our data, Wednesday is the cheapest day to fly to Portugal from Austin. The lowest ticket price found for a Wednesday departure recently was $883. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,193.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Austin to Portugal during this time can be as low as $796. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,086 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $949 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Austin for as low as $772 on momondo.

Can stopping save me money on Austin to Portugal flights?

You could potentially save up to 57% on your flight if you consider stops on a Austin to Portugal flight.

Cheap Austin to Portugal flight deals and tips

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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from Austin to Portugal takes 14h 25m
There are no direct flights from Austin to Portugal. There are no popular flight routes from Austin to Portugal.
Search flight deals

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

    Prices for flights from Austin Bergstrom Airport to Portugal refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal 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 Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Austin to Portugal

Compare and see reviews for airlines that fly from Austin to Portugal with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $531Free CancellationRating
7.7
1,430 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,006 reviews
Search Delta flights
United AirlinesPriceFrom $607Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $620Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
British AirwaysPriceFrom $623Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
IberiaPriceFrom $743Free CancellationRating
7.0
3,050 reviews
Search Iberia flights
Air CanadaPriceFrom $759Free CancellationRating
7.1
10,532 reviews
Search Air Canada flights
LufthansaPriceFrom $936Free CancellationRating
6.8
7,634 reviews
Search Lufthansa flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Austin to Portugal for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from Austin.

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

Price alerts on flights to Portugal from Austin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
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Flights to Lajesfrom $475
Flights to Hortafrom $591
Flights to Pico Islandfrom $659
Flights to Porto Santofrom $425
Flights to Velasfrom $567