Portugal

$345+ Cheap flights from Austin (AUS) to Portugal

AUS — LIS
Dec 4 — Dec 111
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Cheap flight deals from Austin to Portugal

Cheapest flights from Austin to Portugal

Tue 12/112:05 pm -
1 stop15h 15m
Thu 12/105:00 am -
1 stop15h 05m
Deal found 11/3$749
Sun 12/612:05 pm -
1 stop15h 15m
Tue 12/225:00 am -
1 stop15h 05m
Deal found 10/31$753
Tue 12/11:30 pm -
2 stops14h 50m
Tue 12/85:00 am -
1 stop15h 05m
Deal found 11/3$761
Wed 12/26:20 am -
1 stop19h 50m
Fri 12/1111:20 am -
2 stops34h 39m
Deal found 11/3$764
Wed 12/29:00 am -
2 stops15h 55m
Fri 12/1111:20 am -
2 stops41h 26m
Deal found 11/1$767
Wed 12/25:05 pm -
1 stop11h 15m
Wed 12/911:20 am -
2 stops34h 03m
Deal found 11/4$769
Sun 12/612:05 pm -
2 stops40h 35m
Tue 12/2212:50 pm -
2 stops28h 21m
Deal found 10/31$770
Tue 12/2912:05 pm -
2 stops41h 10m
Tue 1/1212:05 pm -
2 stops53h 15m
Deal found 10/31$772
Wed 12/99:33 am -
2 stops15h 22m
Wed 12/1611:20 am -
2 stops30h 42m
Deal found 11/3$772
Tue 12/19:33 am -
2 stops17h 47m
Thu 12/105:00 am -
2 stops36h 11m
Deal found 11/3$773
Tue 12/295:33 pm -
2 stops23h 57m
Tue 1/123:35 pm -
2 stops49h 45m
Deal found 10/31$776
Sun 12/67:30 am -
2 stops20h 00m
Mon 12/2112:30 pm -
1 stop31h 35m
Deal found 11/2$780

Find flight deals from Austin to Portugal

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$725
(Expedia)

One-way from

$345
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$848
Provider with most accurate pricing for Austin Bergstrom-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Austin Bergstrom-Lisbon Humberto Delgado flights.
From Austin Bergstrom to Portugal
One-way flight from Austin Bergstrom to Portugal
Highest demand for flights based on searches. 1% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Sun 3/28

3:15 pm-3:25 pm

1 stop18h 10m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$385

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Sun 3/28

5:15 am-9:45 am

2 stops22h 30m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$386

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Sat 3/27

7:00 pm-8:45 am

1 stop32h 45m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$398

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Wed 3/31

10:30 pm-11:15 pm

1 stop18h 45m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$449

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Wed 3/31

10:34 am-10:30 am

2 stops17h 56m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$453

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Sun 3/28

6:15 pm-7:50 am

3 stops31h 35m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$465

AustinFaro

AUS Austin Bergstrom - FAO Faro

AUSFAO

Austin Bergstrom

Mon 11/30

5:35 pm-9:15 am

3 stops57h 40m

Faro

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$481

AustinFaro

AUS Austin Bergstrom - FAO Faro

AUSFAO

Austin Bergstrom

Sun 11/29

5:35 pm-9:15 am

3 stops57h 40m

Faro

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$502

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Fri 11/13

6:03 am-10:10 am

2 stops22h 07m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$508

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Wed 11/11

6:55 pm-5:45 pm

1 stop16h 50m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from Austin to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Austin to Portugal

What is the cheapest month to book a flight from Austin to Portugal?

Currently, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $672). Flying from Austin to Portugal in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

The best time to book flights from Austin to Portugal is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Portugal

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Related info for your journey

  • What airport do you fly from for flights from Austin to Portugal?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Portugal.

  • How long is the flight from Austin to Portugal?

    Departing from Austin to Portugal will take you 17h 55m. Austin and Portugal are separated by a distance of 4829 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Austin to Portugal one-way?

    $245 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Lufthansa and British Airways, with prices starting from $251 and $295, respectively.

  • What are the most popular routes from Austin to Portugal?

  • Can I find deals for flights from Austin to Portugal that include hotel bookings?

    Yes. In addition to deals on Austin to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Portugal.

  • Can I find deals for business class flights from Austin to Portugal?

    Yes. Cheapflights offers flight deals from Austin to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Portugal?

    Currently, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $672). Flying from Austin to Portugal in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Austin to Portugal

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$360Average$804FlexibilityNo cancel feeOn-time72%
DeltaCheapest$478Average$1,000FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$486Average$914FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$508Average$848FlexibilityNo cancel feeOn-time70%
IberiaCheapest$508Average$799FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$573Average$950FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$605Average$1,060FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$656Average$1,220FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$746Average$993FlexibilityNo cancel feeOn-time67%

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