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Cheap flights from Austin to Portugal from $306

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 10/10. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:05 pm - 8:55 am
AUS
-
LIS
14h 50m
1 stop
Multiple Airlines Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$705Multiple Airlines
Wed, Nov 4 - Tue, Nov 17
Multiple Airlines Logo
12:05 pm - 9:20 am
AUS
-
LIS
15h 15m
1 stop
Multiple Airlines Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$705Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Lufthansa Logo
2:20 pm - 1:30 pm
AUS
-
LIS
17h 10m
2 stops
Lufthansa Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$709Lufthansa
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
7:15 am - 8:10 am
AUS
-
LIS
18h 55m
1 stop
United Airlines Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$723United Airlines
Wed, Nov 18 - Thu, Nov 26
United Airlines Logo
12:25 pm - 10:05 am
AUS
-
LIS
15h 40m
1 stop
United Airlines Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$723United Airlines
Tue, Nov 17 - Thu, Nov 26
Iberia Logo
1:10 pm - 4:05 pm
AUS
-
LIS
20h 55m
2 stops
Iberia Logo
6:30 am - 11:57 pm
LIS
-
AUS
23h 27m
2 stops
$724Iberia
Tue, Nov 10 - Tue, Nov 17
Iberia Logo
5:10 pm - 11:25 pm
AUS
-
LIS
24h 15m
2 stops
Iberia Logo
6:30 am - 11:57 pm
LIS
-
AUS
23h 27m
2 stops
$724Iberia
Wed, Nov 4 - Tue, Nov 17
Delta Logo
7:10 am - 9:00 am
AUS
-
LIS
19h 50m
1 stop
Delta Logo
11:30 am - 4:05 pm
LIS
-
AUS
34h 35m
1 stop
$725Delta
Wed, Nov 18 - Wed, Nov 25
Delta Logo
2:35 pm - 9:00 am
AUS
-
LIS
12h 25m
1 stop
Delta Logo
11:30 am - 4:05 pm
LIS
-
AUS
34h 35m
1 stop
$725Delta
Tue, Nov 17 - Wed, Nov 25
Lufthansa Logo
5:10 pm - 10:20 am
AUS
-
LIS
11h 10m
1 stop
Lufthansa Logo
5:00 am - 2:05 pm
LIS
-
AUS
15h 05m
1 stop
$755Lufthansa
Wed, Dec 30 - Thu, Jan 7

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Air Canada flights from Austin to Portugal

Our best Air Canada deals on Austin to Portugal flight tickets
Air Canada
Nov 22
AUS12:05 pmAustin Bergstrom
40h 35m
2 stops
LIS10:40 amLisbon Humberto Delgado
Dec 4
LIS11:20 amLisbon Humberto Delgado
41h 09m
2 stops
AUS10:29 pmAustin Bergstrom
$733
Air Canada
Nov 18
AUS7:00 amAustin Bergstrom
17h 55m
2 stops
LIS6:55 amLisbon Humberto Delgado
Nov 25
LIS11:20 amLisbon Humberto Delgado
33h 23m
2 stops
AUS2:43 pmAustin Bergstrom
$734
Air Canada
Oct 18
AUS11:35 amAustin Bergstrom
17h 30m
1 stop
LIS11:05 amLisbon Humberto Delgado
Oct 27
LIS12:50 pmLisbon Humberto Delgado
32h 13m
2 stops
AUS4:03 pmAustin Bergstrom
$759

Lufthansa flights from Austin to Portugal

Our best Lufthansa deals on Austin to Portugal flight tickets
Lufthansa
Oct 19
AUS4:05 pmAustin Bergstrom
24h 10m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Oct 28
LIS5:00 amLisbon Humberto Delgado
19h 04m
2 stops
AUS7:04 pmAustin Bergstrom
$756
Lufthansa
Oct 19
AUS4:05 pmAustin Bergstrom
24h 10m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Oct 27
LIS5:00 amLisbon Humberto Delgado
15h 05m
1 stop
AUS3:05 pmAustin Bergstrom
$768
Lufthansa
Sep 21
AUS11:43 amAustin Bergstrom
17h 32m
2 stops
OPO11:15 amPorto
Sep 28
OPO6:20 amPorto
37h 40m
2 stops
AUS2:00 pmAustin Bergstrom
$888

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 August 3, 2026.
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

Cheapest round-trip

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/4

12:05 pm-8:55 am

1 stop14h 50m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-2:05 pm

1 stop15h 05m

$705

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 11/10

12:05 pm-9:20 am

1 stop15h 15m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-2:05 pm

1 stop15h 05m

$705

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 11/10

2:20 pm-1:30 pm

2 stops17h 10m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-2:05 pm

1 stop15h 05m

$709

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/18

7:15 am-8:10 am

1 stop18h 55m

Lisbon Humberto Delgado

Thu 11/26

5:00 am-2:05 pm

1 stop15h 05m

$723

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 11/17

12:25 pm-10:05 am

1 stop15h 40m

Lisbon Humberto Delgado

Thu 11/26

5:00 am-2:05 pm

1 stop15h 05m

$723

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 11/10

1:10 pm-4:05 pm

2 stops20h 55m

Lisbon Humberto Delgado

Tue 11/17

6:30 am-11:57 pm

2 stops23h 27m

$724

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/4

5:10 pm-11:25 pm

2 stops24h 15m

Lisbon Humberto Delgado

Tue 11/17

6:30 am-11:57 pm

2 stops23h 27m

$724

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/18

7:10 am-9:00 am

1 stop19h 50m

Lisbon Humberto Delgado

Wed 11/25

11:30 am-4:05 pm

1 stop34h 35m

$725

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 11/17

2:35 pm-9:00 am

1 stop12h 25m

Lisbon Humberto Delgado

Wed 11/25

11:30 am-4:05 pm

1 stop34h 35m

$725
Quickest round-trip

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 12/30

5:10 pm-10:20 am

1 stop11h 10m

Lisbon Humberto Delgado

Thu 1/7

5:00 am-2:05 pm

1 stop15h 05m

$755

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 $664, 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 March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $752.

How far in advance should I book a flight from Austin 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 $908 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 $834 on momondo.

Can stopping save me money on Austin to Portugal flights?

You could potentially save up to 22% 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

13h 15m

Direct flights

None
The fastest flight from Austin to Portugal takes 13h 15m
There are no direct flights from Austin to Portugal. There are no popular flight routes from Austin to Portugal.
Search flight deals

Frequently asked questions about flying from Austin to Portugal

  • 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
Virgin AtlanticPriceFrom $360Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $478Free CancellationRating
7.8
8,488 reviews
Search Delta flights
KLMPriceFrom $486Free CancellationRating
7.8
1,552 reviews
Search KLM flights
IberiaPriceFrom $508Free CancellationRating
7.0
3,267 reviews
Search Iberia flights
British AirwaysPriceFrom $508Free CancellationRating
6.7
8,143 reviews
Search British Airways flights
United AirlinesPriceFrom $557Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights
LufthansaPriceFrom $605Free CancellationRating
6.8
8,174 reviews
Search Lufthansa flights
American AirlinesPriceFrom $656Free CancellationRating
7.1
11,842 reviews
Search American Airlines flights
Air CanadaPriceFrom $746Free CancellationRating
7.1
11,420 reviews
Search Air Canada 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

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Popular flights according to clicks in the last 7 days on momondo
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