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 52% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 8 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

KLM, United Airlines, and British Airways are the most popular carriers operating from Austin Bergstrom 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 8 as of May 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.

$375 Cheap Flights from Austin to Portugal in 2026

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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.

1:40 pm - 3:25 pm

AUS

OPO

19h 45m

2 stops

5:55 am - 10:57 pm

OPO

AUS

23h 02m

2 stops

$815Delta

Wed, Oct 7 - Fri, Oct 16

6:10 am - 11:20 am

AUS

OPO

23h 10m

2 stops

6:00 am - 10:22 am

OPO

AUS

34h 22m

2 stops

$824United Airlines

Wed, Oct 7 - Fri, Oct 16

12:20 pm - 10:30 am

AUS

OPO

16h 10m

2 stops

5:00 am - 4:10 pm

OPO

AUS

17h 10m

1 stop

$828KLM

Tue, Oct 20 - Sat, Oct 24

2:15 pm - 7:00 am

AUS

OPO

34h 45m

3 stops

11:20 am - 7:55 pm

OPO

AUS

14h 35m

1 stop

$838United Airlines

Tue, Oct 20 - Sat, Oct 24

3:35 pm - 3:25 pm

AUS

OPO

17h 50m

2 stops

5:00 am - 3:43 pm

OPO

AUS

16h 43m

2 stops

$865Delta

Wed, Oct 7 - Fri, Oct 16

5:20 pm - 11:30 am

AUS

FAO

36h 10m

2 stops

12:20 pm - 6:58 pm

FAO

AUS

36h 38m

2 stops

$878Lufthansa

Sun, Aug 9 - Tue, Aug 18

4:05 pm - 2:30 pm

AUS

FAO

16h 25m

1 stop

12:20 pm - 8:39 pm

FAO

AUS

38h 19m

2 stops

$881Lufthansa

Tue, Aug 4 - Tue, Aug 18

6:05 pm - 8:00 am

AUS

FAO

31h 55m

1 stop

9:45 pm - 8:22 pm

FAO

AUS

28h 37m

2 stops

$920KLM

Mon, Aug 31 - Mon, Sep 7

9:00 am - 9:20 am

AUS

LIS

42h 20m

2 stops

11:25 am - 11:52 am

LIS

AUS

30h 27m

2 stops

$935Air Canada

Tue, Aug 4 - Wed, Aug 19

9:00 am - 9:20 am

AUS

LIS

18h 20m

2 stops

11:25 am - 3:59 pm

LIS

AUS

34h 34m

2 stops

$940Air Canada

Mon, Aug 17 - Fri, Aug 28

Air Canada flights from Austin to Portugal

Our best Air Canada deals on Austin to Portugal flight tickets

Air Canada

Oct 7

AUS7:15 amAustin Bergstrom

17h 45m

2 stops

OPO7:00 amPorto

Oct 17

OPO11:20 amPorto

30h 40m

2 stops

AUS12:00 pmAustin Bergstrom

$915

Air Canada

Aug 4

AUS9:00 amAustin Bergstrom

42h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Aug 19

LIS11:25 amLisbon Humberto Delgado

30h 27m

2 stops

AUS11:52 amAustin Bergstrom

$935

Air Canada

Aug 17

AUS9:00 amAustin Bergstrom

18h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Aug 28

LIS11:25 amLisbon Humberto Delgado

34h 34m

2 stops

AUS3:59 pmAustin Bergstrom

$940

United Airlines flights from Austin to Portugal

Our best United Airlines deals on Austin to Portugal flight tickets

United Airlines

Oct 20

AUS2:15 pmAustin Bergstrom

34h 45m

3 stops

OPO7:00 amPorto

Oct 24

OPO11:20 amPorto

14h 35m

1 stop

AUS7:55 pmAustin Bergstrom

$838

United Airlines

Sep 17

AUS7:17 amAustin Bergstrom

17h 38m

1 stop

OPO6:55 amPorto

Sep 24

OPO11:50 amPorto

38h 23m

2 stops

AUS8:13 pmAustin Bergstrom

$851

United Airlines

Sep 17

AUS3:37 pmAustin Bergstrom

33h 33m

2 stops

OPO7:10 amPorto

Sep 24

OPO11:50 amPorto

38h 23m

2 stops

AUS8:13 pmAustin Bergstrom

$861

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 10/7

1:40 pm-3:25 pm

2 stops19h 45m

Porto

Fri 10/16

5:55 am-10:57 pm

2 stops23h 02m

$815

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 10/7

6:10 am-11:20 am

2 stops23h 10m

Porto

Fri 10/16

6:00 am-10:22 am

2 stops34h 22m

$824

Quickest round-trip

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 10/20

12:20 pm-10:30 am

2 stops16h 10m

Porto

Sat 10/24

5:00 am-4:10 pm

1 stop17h 10m

$828

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 10/20

2:15 pm-7:00 am

3 stops34h 45m

Porto

Sat 10/24

11:20 am-7:55 pm

1 stop14h 35m

$838

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 10/7

3:35 pm-3:25 pm

2 stops17h 50m

Porto

Fri 10/16

5:00 am-3:43 pm

2 stops16h 43m

$865

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Sun 8/9

5:20 pm-11:30 am

2 stops36h 10m

Faro

Tue 8/18

12:20 pm-6:58 pm

2 stops36h 38m

$878

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Tue 8/4

4:05 pm-2:30 pm

1 stop16h 25m

Faro

Tue 8/18

12:20 pm-8:39 pm

2 stops38h 19m

$881

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Mon 8/31

6:05 pm-8:00 am

1 stop31h 55m

Faro

Mon 9/7

9:45 pm-8:22 pm

2 stops28h 37m

$920

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 8/4

9:00 am-9:20 am

2 stops42h 20m

Lisbon Humberto Delgado

Wed 8/19

11:25 am-11:52 am

2 stops30h 27m

$935

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 8/17

9:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Fri 8/28

11:25 am-3:59 pm

2 stops34h 34m

$940

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 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 $866 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 $754 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	11h 30m
Direct flights	None

The fastest flight from Austin to Portugal takes 11h 30m

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 8 as of May 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
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 7,945 reviews	Search British Airways flights
KLM	PriceFrom $531	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Delta	PriceFrom $541	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
American Airlines	PriceFrom $600	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Lufthansa	PriceFrom $605	Free Cancellation	Rating 6.8 7,972 reviews	Search Lufthansa flights
Iberia	PriceFrom $648	Free Cancellation	Rating 7.0 3,208 reviews	Search Iberia flights
Air Canada	PriceFrom $758	Free Cancellation	Rating 7.1 10,998 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.

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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $434

Flights to Portofrom $426

Flights to Funchalfrom $578

Flights to Farofrom $636

Flights to Ponta Delgadafrom $630

Flights to Lajesfrom $694

Flights to Pico Islandfrom $786

Flights to Hortafrom $779

Flights to Porto Santofrom $845

Flights to Velasfrom $769

Cheap flights from Austin to Portugal from $375

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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

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