What is the cheapest airline that flies from Austin Bergstrom to Portugal?

Iberia, United Airlines, and Lufthansa are the most popular carriers operating from Austin Bergstrom to Portugal

What airlines fly to Portugal?

United Airlines, British Airways and Delta are the top three most popular airlines that fly to Portugal from Austin according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Austin Bergstrom Airport to Portugal is 9 as of November 2026.

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.

$343 Cheap Flights from Austin to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:09 am - 11:45 amAUS Austin Bergstrom-OPO Porto

21h 36m2 stops Chicago O'Hare Intl Madrid Barajas

8:40 pm - 5:49 pmOPO Porto-AUS Austin Bergstrom

27h 09m2 stops Madrid Barajas Chicago O'Hare Intl

$725Iberia

Mon, Mar 1 - Tue, Mar 9

9:35 am - 9:30 amAUS Austin Bergstrom-OPO Porto

17h 55m1 stop Newark

6:00 am - 9:10 pmOPO Porto-AUS Austin Bergstrom

21h 10m2 stops Frankfurt am Main Denver Intl

$733United Airlines

Tue, Feb 23 - Fri, Feb 26

9:35 am - 9:30 amAUS Austin Bergstrom-OPO Porto

17h 55m1 stop Newark

6:00 am - 9:10 pmOPO Porto-AUS Austin Bergstrom

21h 10m2 stops Frankfurt am Main Denver Intl

$734United Airlines

Tue, Feb 23 - Fri, Feb 26

6:05 pm - 3:25 pmAUS Austin Bergstrom-OPO Porto

15h 20m1 stop Amsterdam Schiphol

5:00 am - 5:39 pmOPO Porto-AUS Austin Bergstrom

18h 39m2 stops Amsterdam Schiphol Minneapolis St Paul

$737KLM

Mon, Mar 1 - Tue, Mar 9

12:05 pm - 9:20 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

15h 15m1 stop Toronto Pearson Intl

5:00 am - 2:05 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

15h 05m1 stop Frankfurt am Main

$749Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

7:05 am - 9:20 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

20h 15m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

12:35 pm - 11:20 amLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

52h 45m2 stops Zurich Toronto Pearson Intl

$755Multiple Airlines

Mon, Feb 1 - Tue, Feb 9

1:01 pm - 9:05 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

14h 04m1 stop Philadelphia

12:30 pm - 10:05 amLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

27h 35m2 stops Madrid Barajas Dallas/Fort Worth

$760Iberia

Mon, Jan 18 - Mon, Jan 25

5:16 pm - 11:25 pmAUS Austin Bergstrom-OPO Porto

24h 09m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:00 am - 8:10 pmOPO Porto-AUS Austin Bergstrom

20h 10m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$765Lufthansa

Wed, Apr 28 - Wed, May 19

11:20 am - 10:30 amAUS Austin Bergstrom-OPO Porto

17h 10m1 stop New York John F Kennedy Intl

5:00 am - 4:10 pmOPO Porto-AUS Austin Bergstrom

17h 10m1 stop Amsterdam Schiphol

$772KLM

Tue, Apr 27 - Wed, May 19

1:11 pm - 9:30 amAUS Austin Bergstrom-OPO Porto

14h 19m1 stop Newark

12:35 pm - 8:53 pmOPO Porto-AUS Austin Bergstrom

14h 18m1 stop Newark

$793Lufthansa

Mon, Mar 1 - Tue, Mar 9

Cheap last minute flights

Enter your travel dates to find the best prices.

5:10 pm - 10:20 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

11h 10m1 stop Washington, D.C. Dulles Intl

10:15 am - 9:31 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

17h 16m2 stops Newark Houston George Bush Intcntl

$798Air Canada

Wed, Nov 11 - Wed, Nov 18

2:25 pm - 8:10 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

11h 45m1 stop Newark

12:20 pm - 8:50 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

14h 30m1 stop Washington, D.C. Dulles Intl

$798Air Canada

Wed, Nov 11 - Wed, Nov 18

11:25 am - 8:55 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

15h 30m2 stops New York John F Kennedy Intl Boston Logan Intl

11:15 am - 10:53 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

17h 38m2 stops Boston Logan Intl New York John F Kennedy Intl

$810Virgin Atlantic

Thu, Nov 12 - Mon, Nov 16

11:25 am - 8:00 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

14h 35m1 stop New York John F Kennedy Intl

11:15 am - 10:07 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

16h 52m1 stop Boston Logan Intl

$810Virgin Atlantic

Thu, Nov 12 - Mon, Nov 16

12:05 pm - 8:10 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

14h 05m2 stops Houston George Bush Intcntl Newark

5:00 am - 2:05 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

15h 05m1 stop Frankfurt am Main

$811United Airlines

Wed, Nov 11 - Tue, Nov 17

7:15 am - 10:20 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

21h 05m1 stop Washington, D.C. Dulles Intl

5:00 am - 2:05 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

15h 05m1 stop Frankfurt am Main

$811United Airlines

Wed, Nov 11 - Tue, Nov 17

3:55 pm - 5:30 pmAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

19h 35m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 8:30 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

21h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$826Delta

Wed, Nov 11 - Tue, Nov 17

1:00 pm - 12:50 pmAUS Austin Bergstrom-OPO Porto

17h 50m2 stops Denver Intl Munich Franz Josef Strauss

1:45 pm - 8:50 pmOPO Porto-AUS Austin Bergstrom

61h 05m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$827Lufthansa

Mon, Nov 9 - Mon, Nov 16

1:00 pm - 12:50 pmAUS Austin Bergstrom-OPO Porto

17h 50m2 stops Denver Intl Munich Franz Josef Strauss

12:30 pm - 2:05 pmOPO Porto-AUS Austin Bergstrom

31h 35m1 stop Frankfurt am Main

$836Lufthansa

Mon, Nov 9 - Mon, Nov 16

6:15 pm - 5:30 pmAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

17h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 10:53 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

23h 53m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$877Delta

Mon, Nov 9 - Mon, Nov 16

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Austin to Portugal

Our best United Airlines deals on Austin to Portugal flight tickets

United Airlines

Feb 23

AUS9:35 amAustin Bergstrom

17h 55m

1 stop

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

21h 10m

2 stops

AUS9:10 pmAustin Bergstrom

$733

United Airlines

Feb 23

AUS9:35 amAustin Bergstrom

17h 55m

1 stop

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

21h 10m

2 stops

AUS9:10 pmAustin Bergstrom

$734

United Airlines

Feb 23

AUS9:35 amAustin Bergstrom

17h 55m

2 stops

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

23h 27m

2 stops

AUS11:27 pmAustin Bergstrom

$737

Delta flights from Austin to Portugal

Our best Delta deals on Austin to Portugal flight tickets

Delta

Jan 10

AUS7:20 amAustin Bergstrom

25h 50m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Jan 21

LIS5:00 amLisbon Humberto Delgado

17h 05m

1 stop

AUS4:05 pmAustin Bergstrom

$772

Delta

Apr 26

AUS3:15 pmAustin Bergstrom

18h 10m

1 stop

OPO3:25 pmPorto

May 13

OPO5:00 amPorto

22h 25m

2 stops

AUS9:25 pmAustin Bergstrom

$778

Delta

Apr 26

AUS3:15 pmAustin Bergstrom

18h 10m

1 stop

OPO3:25 pmPorto

May 13

OPO5:00 amPorto

22h 25m

2 stops

AUS9:25 pmAustin Bergstrom

$779

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

8:09 am-11:45 am

2 stops21h 36m

Porto

Tue 3/9

8:40 pm-5:49 pm

2 stops27h 09m

$725

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Tue 2/23

9:35 am-9:30 am

1 stop17h 55m

Porto

Fri 2/26

6:00 am-9:10 pm

2 stops21h 10m

$733

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Tue 2/23

9:35 am-9:30 am

1 stop17h 55m

Porto

Fri 2/26

6:00 am-9:10 pm

2 stops21h 10m

$734

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

6:05 pm-3:25 pm

1 stop15h 20m

Porto

Tue 3/9

5:00 am-5:39 pm

2 stops18h 39m

$737

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Tue 12/1

12:05 pm-9:20 am

1 stop15h 15m

Lisbon Humberto Delgado

Tue 12/8

5:00 am-2:05 pm

1 stop15h 05m

$749

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Mon 2/1

7:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Tue 2/9

12:35 pm-11:20 am

2 stops52h 45m

$755

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Mon 1/18

1:01 pm-9:05 am

1 stop14h 04m

Lisbon Humberto Delgado

Mon 1/25

12:30 pm-10:05 am

2 stops27h 35m

$760

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Wed 4/28

5:16 pm-11:25 pm

2 stops24h 09m

Porto

Wed 5/19

6:00 am-8:10 pm

2 stops20h 10m

$765

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Tue 4/27

11:20 am-10:30 am

1 stop17h 10m

Porto

Wed 5/19

5:00 am-4:10 pm

1 stop17h 10m

$772

Quickest round-trip

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

1:11 pm-9:30 am

1 stop14h 19m

Porto

Tue 3/9

12:35 pm-8:53 pm

1 stop14h 18m

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $672, 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 $748.

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 $950 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 $845 on momondo.

Can stopping save me money on Austin to Portugal flights?

You could potentially save up to 1% 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

Best Price Found	$343
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Portugal from Austin in the past 72 hours is $343. The best round-trip flight deal from Austin to Portugal found on momondo in the last 72 hours is $725.

The fastest flight from Austin to Portugal takes 11h 50m

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?
The number of operators available for flights from Austin Bergstrom Airport to Portugal is 9 as of November 2026.
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 Atlantic	PriceFrom $360	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
KLM	PriceFrom $486	Free Cancellation	Rating 7.8 1,594 reviews	Search KLM flights
British Airways	PriceFrom $508	Free Cancellation	Rating 6.7 8,285 reviews	Search British Airways flights
Iberia	PriceFrom $508	Free Cancellation	Rating 7.0 3,234 reviews	Search Iberia flights
United Airlines	PriceFrom $604	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
Lufthansa	PriceFrom $605	Free Cancellation	Rating 6.8 8,294 reviews	Search Lufthansa flights
American Airlines	PriceFrom $695	Free Cancellation	Rating 7.0 12,229 reviews	Search American Airlines flights
Air Canada	PriceFrom $746	Free Cancellation	Rating 7.1 11,875 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 12/8

Tue 12/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities

Other flights from Austin

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $358

Flights to Portofrom $399

Flights to Funchalfrom $594

Flights to Farofrom $577

Flights to Ponta Delgadafrom $401

Flights to Lajesfrom $312

Flights to Hortafrom $585

Flights to Pico Islandfrom $585

Flights to Porto Santofrom $931

Flights to Velasfrom $588

Cheap flights from Austin to Portugal from $343

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 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Austin to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Austin to Portugal

Our best United Airlines deals on Austin to Portugal flight tickets

Delta flights from Austin to Portugal

Our best Delta deals on Austin to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Austin to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Austin to Portugal

What is the cheapest month to fly to Portugal?

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

Can stopping save me money on Austin to Portugal flights?

What is the cheapest airline that flies from Austin Bergstrom to Portugal?

What airlines fly to Portugal?

Cheap Austin to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Austin to Portugal

Best airlines flying from Austin to Portugal

Compare and see reviews for airlines that fly from Austin to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

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

Austin flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year