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Cheap flights from Austin to Portugal from $243

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 5/4. 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.
KLM Logo
11:45 am - 10:30 am
AUS
-
OPO
16h 45m
2 stops
KLM Logo
5:00 am - 10:25 pm
OPO
-
AUS
22h 25m
2 stops
$488KLM
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
5:30 am - 9:45 am
AUS
-
OPO
22h 15m
2 stops
United Airlines Logo
6:00 am - 11:25 am
OPO
-
AUS
35h 25m
2 stops
$493United Airlines
Tue, Apr 21 - Thu, May 7
Multiple Airlines Logo
5:55 pm - 5:55 pm
AUS
-
LIS
18h 00m
1 stop
Multiple Airlines Logo
6:35 am - 11:47 pm
LIS
-
AUS
23h 12m
2 stops
$501Multiple Airlines
Wed, Apr 15 - Sun, May 10
Multiple Airlines Logo
7:00 pm - 9:45 pm
AUS
-
LIS
20h 45m
1 stop
Multiple Airlines Logo
11:05 am - 9:55 pm
LIS
-
AUS
15h 50m
1 stop
$502Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
KLM Logo
10:43 am - 8:00 am
AUS
-
LIS
15h 17m
2 stops
KLM Logo
5:00 am - 6:57 pm
LIS
-
AUS
18h 57m
2 stops
$504KLM
Tue, Mar 3 - Tue, Mar 17
Multiple Airlines Logo
4:05 pm - 10:15 pm
AUS
-
LIS
24h 10m
1 stop
Multiple Airlines Logo
1:00 pm - 10:53 am
LIS
-
AUS
27h 53m
1 stop
$505Multiple Airlines
Mon, Apr 27 - Tue, May 5
Lufthansa Logo
4:05 pm - 10:15 pm
AUS
-
LIS
24h 10m
1 stop
Lufthansa Logo
5:05 am - 9:07 pm
LIS
-
AUS
22h 02m
2 stops
$506Lufthansa
Wed, Apr 15 - Tue, Apr 21
British Airways Logo
11:50 am - 2:10 pm
AUS
-
LIS
20h 20m
2 stops
British Airways Logo
11:00 am - 8:35 pm
LIS
-
AUS
15h 35m
1 stop
$507British Airways
Wed, Apr 22 - Mon, Apr 27
British Airways Logo
5:55 pm - 5:55 pm
AUS
-
LIS
18h 00m
1 stop
British Airways Logo
11:00 am - 8:35 pm
LIS
-
AUS
15h 35m
1 stop
$510British Airways
Wed, Apr 15 - Mon, Apr 20
United Airlines Logo
7:15 am - 10:30 am
AUS
-
LIS
21h 15m
1 stop
United Airlines Logo
11:25 am - 2:13 pm
LIS
-
AUS
32h 48m
3 stops
$512United Airlines
Mon, Apr 27 - Tue, May 5

Lufthansa flights from Austin to Portugal

Our best Lufthansa deals on Austin to Portugal flight tickets
Lufthansa
Apr 15
AUS4:05 pmAustin Bergstrom
24h 10m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Apr 21
LIS5:05 amLisbon Humberto Delgado
22h 02m
2 stops
AUS9:07 pmAustin Bergstrom
$506
Lufthansa
Apr 13
AUS4:05 pmAustin Bergstrom
24h 10m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Apr 22
LIS7:25 amLisbon Humberto Delgado
19h 50m
2 stops
AUS9:15 pmAustin Bergstrom
$513
Lufthansa
Apr 13
AUS5:32 pmAustin Bergstrom
22h 43m
2 stops
LIS10:15 pmLisbon Humberto Delgado
Apr 21
LIS5:05 amLisbon Humberto Delgado
22h 02m
2 stops
AUS9:07 pmAustin Bergstrom
$518

Air Canada flights from Austin to Portugal

Our best Air Canada deals on Austin to Portugal flight tickets
Air Canada
Apr 12
AUS12:55 pmAustin Bergstrom
26h 40m
2 stops
LIS9:35 pmLisbon Humberto Delgado
Apr 23
LIS7:25 amLisbon Humberto Delgado
34h 35m
2 stops
AUS12:00 pmAustin Bergstrom
$596
Air Canada
Feb 17
AUS1:05 pmAustin Bergstrom
18h 15m
2 stops
LIS1:20 pmLisbon Humberto Delgado
Mar 3
LIS11:20 amLisbon Humberto Delgado
27h 19m
3 stops
AUS8:39 amAustin Bergstrom
$734
Air Canada
Feb 17
AUS1:05 pmAustin Bergstrom
18h 15m
2 stops
LIS1:20 pmLisbon Humberto Delgado
Mar 3
LIS11:20 amLisbon Humberto Delgado
27h 19m
3 stops
AUS8:39 amAustin Bergstrom
$833

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 February 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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 3/2

11:45 am-10:30 am

2 stops16h 45m

Porto

Mon 3/9

5:00 am-10:25 pm

2 stops22h 25m

$488

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 4/21

5:30 am-9:45 am

2 stops22h 15m

Porto

Thu 5/7

6:00 am-11:25 am

2 stops35h 25m

$493

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/15

5:55 pm-5:55 pm

1 stop18h 00m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-11:47 pm

2 stops23h 12m

$501

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

7:00 pm-9:45 pm

1 stop20h 45m

Lisbon Humberto Delgado

Tue 3/17

11:05 am-9:55 pm

1 stop15h 50m

$502

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

10:43 am-8:00 am

2 stops15h 17m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-6:57 pm

2 stops18h 57m

$504

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

4:05 pm-10:15 pm

1 stop24h 10m

Lisbon Humberto Delgado

Tue 5/5

1:00 pm-10:53 am

1 stop27h 53m

$505

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/15

4:05 pm-10:15 pm

1 stop24h 10m

Lisbon Humberto Delgado

Tue 4/21

5:05 am-9:07 pm

2 stops22h 02m

$506

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/22

11:50 am-2:10 pm

2 stops20h 20m

Lisbon Humberto Delgado

Mon 4/27

11:00 am-8:35 pm

1 stop15h 35m

$507

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/15

5:55 pm-5:55 pm

1 stop18h 00m

Lisbon Humberto Delgado

Mon 4/20

11:00 am-8:35 pm

1 stop15h 35m

$510

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

7:15 am-10:30 am

1 stop21h 15m

Lisbon Humberto Delgado

Tue 5/5

11:25 am-2:13 pm

3 stops32h 48m

$512

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 $656, 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 January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $720.

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 $921 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 $814 on momondo.

Can stopping save me money on Austin to Portugal flights?

You could potentially save up to 53% 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

11h 03m

Direct flights

None
The fastest flight from Austin to Portugal takes 11h 03m
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
1,448 reviews
Search KLM flights
British AirwaysPriceFrom $532Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,135 reviews
Search Delta flights
American AirlinesPriceFrom $600Free CancellationRating
7.2
11,215 reviews
Search American Airlines flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
LufthansaPriceFrom $605Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom $605Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $759Free CancellationRating
7.1
10,677 reviews
Search Air Canada flights
IberiaPriceFrom $765Free CancellationRating
7.0
3,102 reviews
Search Iberia 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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