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Cheap flights from Austin to Portugal from $303

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 8/29. 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.
Delta Logo
8:00 am - 10:35 am
AUS
-
OPO
20h 35m
2 stops
Delta Logo
5:00 am - 4:05 pm
OPO
-
AUS
17h 05m
1 stop
$737Delta
Tue, Nov 3 - Thu, Nov 12
Delta Logo
1:40 pm - 10:35 am
AUS
-
OPO
14h 55m
2 stops
Delta Logo
5:00 am - 5:39 pm
OPO
-
AUS
18h 39m
2 stops
$747Delta
Tue, Nov 3 - Thu, Nov 12
United Airlines Logo
6:30 am - 8:10 am
AUS
-
LIS
19h 40m
1 stop
United Airlines Logo
1:00 pm - 12:19 pm
LIS
-
AUS
29h 19m
1 stop
$770United Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
2:00 pm - 8:10 am
AUS
-
LIS
12h 10m
1 stop
United Airlines Logo
10:15 am - 9:45 pm
LIS
-
AUS
17h 30m
1 stop
$771United Airlines
Wed, Dec 2 - Fri, Dec 11
British Airways Logo
9:00 am - 2:15 pm
AUS
-
FNC
48h 15m
2 stops
British Airways Logo
3:05 pm - 4:45 pm
FNC
-
AUS
31h 40m
1 stop
$894British Airways
Sun, Oct 25 - Tue, Nov 3
British Airways Logo
8:00 am - 2:15 pm
AUS
-
FNC
49h 15m
2 stops
British Airways Logo
3:05 pm - 11:49 pm
FNC
-
AUS
38h 44m
2 stops
$904British Airways
Sun, Oct 25 - Tue, Nov 3
KLM Logo
6:05 pm - 7:30 pm
AUS
-
FAO
19h 25m
1 stop
KLM Logo
8:20 pm - 4:10 pm
FAO
-
AUS
25h 50m
1 stop
$971KLM
Mon, Aug 10 - Wed, Aug 19
KLM Logo
4:55 pm - 7:30 pm
AUS
-
FAO
20h 35m
2 stops
KLM Logo
8:20 pm - 4:10 pm
FAO
-
AUS
25h 50m
1 stop
$976KLM
Mon, Aug 10 - Wed, Aug 19
Lufthansa Logo
10:09 am - 8:40 am
AUS
-
PDL
17h 31m
1 stop
Lufthansa Logo
11:00 am - 9:58 pm
PDL
-
AUS
15h 58m
1 stop
$1,141Lufthansa
Tue, Aug 4 - Tue, Aug 11
Lufthansa Logo
10:40 am - 9:55 am
AUS
-
FAO
17h 15m
1 stop
Lufthansa Logo
2:20 pm - 7:12 pm
FAO
-
AUS
34h 52m
2 stops
$1,156Lufthansa
Sun, Aug 23 - Sat, Aug 29

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United Airlines flights from Austin to Portugal

Our best United Airlines deals on Austin to Portugal flight tickets
United Airlines
Dec 2
AUS6:30 amAustin Bergstrom
19h 40m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 11
LIS1:00 pmLisbon Humberto Delgado
29h 19m
1 stop
AUS12:19 pmAustin Bergstrom
$770
United Airlines
Dec 2
AUS2:00 pmAustin Bergstrom
12h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 11
LIS10:15 amLisbon Humberto Delgado
17h 30m
1 stop
AUS9:45 pmAustin Bergstrom
$771
United Airlines
Oct 26
AUS9:55 amAustin Bergstrom
18h 55m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 3
LIS11:20 amLisbon Humberto Delgado
37h 49m
3 stops
AUS7:09 pmAustin Bergstrom
$774

Air Canada flights from Austin to Portugal

Our best Air Canada deals on Austin to Portugal flight tickets
Air Canada
Oct 26
AUS9:55 amAustin Bergstrom
18h 55m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 3
LIS1:00 pmLisbon Humberto Delgado
29h 19m
1 stop
AUS12:19 pmAustin Bergstrom
$753
Air Canada
Dec 2
AUS1:10 pmAustin Bergstrom
15h 50m
1 stop
LIS11:00 amLisbon Humberto Delgado
Dec 11
LIS11:20 amLisbon Humberto Delgado
35h 05m
2 stops
AUS4:25 pmAustin Bergstrom
$755
Air Canada
Dec 2
AUS6:40 amAustin Bergstrom
22h 20m
2 stops
LIS11:00 amLisbon Humberto Delgado
Dec 11
LIS11:20 amLisbon Humberto Delgado
35h 05m
2 stops
AUS4:25 pmAustin Bergstrom
$759

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 June 20, 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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 11/3

8:00 am-10:35 am

2 stops20h 35m

Porto

Thu 11/12

5:00 am-4:05 pm

1 stop17h 05m

$737

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 11/3

1:40 pm-10:35 am

2 stops14h 55m

Porto

Thu 11/12

5:00 am-5:39 pm

2 stops18h 39m

$747

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 12/2

6:30 am-8:10 am

1 stop19h 40m

Lisbon Humberto Delgado

Fri 12/11

1:00 pm-12:19 pm

1 stop29h 19m

$770
Quickest round-trip

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 12/2

2:00 pm-8:10 am

1 stop12h 10m

Lisbon Humberto Delgado

Fri 12/11

10:15 am-9:45 pm

1 stop17h 30m

$771

AustinFunchal

AUS - FNC

AUSFNC

Austin Bergstrom

Sun 10/25

9:00 am-2:15 pm

2 stops48h 15m

Funchal Madeira

Tue 11/3

3:05 pm-4:45 pm

1 stop31h 40m

$894

AustinFunchal

AUS - FNC

AUSFNC

Austin Bergstrom

Sun 10/25

8:00 am-2:15 pm

2 stops49h 15m

Funchal Madeira

Tue 11/3

3:05 pm-11:49 pm

2 stops38h 44m

$904

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Mon 8/10

6:05 pm-7:30 pm

1 stop19h 25m

Faro

Wed 8/19

8:20 pm-4:10 pm

1 stop25h 50m

$971

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Mon 8/10

4:55 pm-7:30 pm

2 stops20h 35m

Faro

Wed 8/19

8:20 pm-4:10 pm

1 stop25h 50m

$976

AustinPonta Delgada

AUS - PDL

AUSPDL

Austin Bergstrom

Tue 8/4

10:09 am-8:40 am

1 stop17h 31m

Ponta Delgada Nordela

Tue 8/11

11:00 am-9:58 pm

1 stop15h 58m

$1,141

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Sun 8/23

10:40 am-9:55 am

1 stop17h 15m

Faro

Sat 8/29

2:20 pm-7:12 pm

2 stops34h 52m

$1,156

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 January. Flight prices, which tend to average around $310, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Austin during March instead. Flights to Portugal in March, while not as cheap as those in January, still average around $358.

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 $903 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 $757 on momondo.

Can stopping save me money on Austin to Portugal flights?

You could potentially save up to 26% 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 18m

Direct flights

None
The fastest flight from Austin to Portugal takes 11h 18m
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
KLMPriceFrom $486Free CancellationRating
7.8
1,530 reviews
Search KLM flights
British AirwaysPriceFrom $508Free CancellationRating
6.7
8,062 reviews
Search British Airways flights
DeltaPriceFrom $541Free CancellationRating
7.8
8,423 reviews
Search Delta flights
United AirlinesPriceFrom $573Free CancellationRating
7.4
9,866 reviews
Search United Airlines flights
LufthansaPriceFrom $605Free CancellationRating
6.8
8,084 reviews
Search Lufthansa flights
IberiaPriceFrom $648Free CancellationRating
7.0
3,241 reviews
Search Iberia flights
American AirlinesPriceFrom $656Free CancellationRating
7.1
11,722 reviews
Search American Airlines flights
Air CanadaPriceFrom $878Free CancellationRating
7.1
11,229 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.

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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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