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$359+ Cheap flights from Galveston, TX to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Galveston to Portugal

Keep the following information in mind while searching for Galveston to Portugal flight deals. Data was last updated julio 31, 2025.

Round-trip from

$759
(Delta)

One-way from

$359
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$941
From Galveston to Portugal
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One-way flight from Galveston to Portugal
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Highest demand for flights based on searches. 19% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Galveston to Portugal

Cheapest flights from Galveston to Portugal
Explore the most affordable flight options available from Galveston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2910:13 amHOU - LIS
2 stops16h 47mDelta
dom. 11/165:00 amLIS - HOU
2 stops17h 27mDelta
Deal found 7/31$759
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/812:15 pmHOU - LIS
2 stops14h 50mAmerican Airlines
vie. 11/148:45 pmLIS - HOU
2 stops17h 52mAmerican Airlines
Deal found 7/30$808
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:11 amHOU - LIS
2 stops15h 29mIberia
mar. 11/256:30 amLIS - HOU
2 stops19h 20mIberia
Deal found 7/30$816
This Virgin Atlantic deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/110:13 amHOU - LIS
2 stops17h 47mVirgin Atlantic
sáb. 11/811:15 amLIS - HOU
2 stops17h 45mVirgin Atlantic
Deal found 7/30$844
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:44 pmHOU - OPO
2 stops14h 41mDelta
dom. 11/911:15 amOPO - HOU
2 stops28h 08mDelta
Deal found 7/29$917
This British Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:30 pmHOU - LIS
2 stops17h 30mBritish Airways
mar. 12/307:40 pmLIS - HOU
2 stops34h 05mBritish Airways
Deal found 7/31$991
This KLM deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:37 pmHOU - OPO
2 stops14h 58mKLM
mié. 10/1511:35 amOPO - HOU
2 stops17h 25mKLM
Deal found 7/28$1,037
This Orbitz deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/114:25 pmHOU - LIS
2 stops19h 15mMultiple Airlines
sáb. 11/156:45 pmLIS - HOU
2 stops19h 50mMultiple Airlines
Deal found 7/30$1,208
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/292:33 pmHOU - OPO
2 stops15h 07mBritish Airways
sáb. 10/118:15 amOPO - HOU
2 stops19h 59mBritish Airways
Deal found 7/30$1,254
This Cheapflightsfares deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:41 pmHOU - OPO
2 stops15h 14mIberia
sáb. 10/118:15 amOPO - HOU
2 stops17h 54mIberia
Deal found 7/31$1,368
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:15 pmHOU - OPO
2 stops17h 30mAmerican Airlines
dom. 11/168:20 amOPO - HOU
2 stops17h 30mAmerican Airlines
Deal found 7/29$1,723
This British Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/314:20 pmHOU - FNC
2 stops19h 50mBritish Airways
vie. 10/315:10 pmFNC - HOU
2 stops34h 04mBritish Airways
Deal found 7/31$2,793

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Galveston to Portugal that are best for you.

Fly from

Galveston

Fly to

Portugal

Route

Depart

Return

Price

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

mié. 10/29

10:13 am-8:00 am

2 stops16h 47m

Lisbon Humberto Delgado

dom. 11/16

5:00 am-4:27 pm

2 stops17h 27m

$759

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

sáb. 11/8

12:15 pm-9:05 am

2 stops14h 50m

Lisbon Humberto Delgado

vie. 11/14

8:45 pm-8:37 am

2 stops17h 52m

$808

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

mar. 11/18

10:11 am-7:40 am

2 stops15h 29m

Lisbon Humberto Delgado

mar. 11/25

6:30 am-7:50 pm

2 stops19h 20m

$816

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

sáb. 11/1

10:13 am-9:00 am

2 stops17h 47m

Lisbon Humberto Delgado

sáb. 11/8

11:15 am-11:00 pm

2 stops17h 45m

$844

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

jue. 12/25

6:30 pm-6:00 pm

2 stops17h 30m

Lisbon Humberto Delgado

mar. 12/30

7:40 pm-11:45 pm

2 stops34h 05m

$991

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 9/30

6:37 pm-3:35 pm

2 stops14h 58m

Porto

mié. 10/15

11:35 am-11:00 pm

2 stops17h 25m

$1,037

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mié. 9/3

1:05 pm-10:40 am

2 stops15h 35m

Porto

mié. 9/10

6:15 am-10:31 pm

2 stops22h 16m

$1,121

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

mar. 11/11

4:25 pm-5:40 pm

2 stops19h 15m

Lisbon Humberto Delgado

sáb. 11/15

6:45 pm-8:35 am

2 stops19h 50m

$1,208

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 9/29

2:33 pm-11:40 am

2 stops15h 07m

Porto

sáb. 10/11

8:15 am-10:14 pm

2 stops19h 59m

$1,254

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 9/29

6:41 pm-3:55 pm

2 stops15h 14m

Porto

sáb. 10/11

8:15 am-8:09 pm

2 stops17h 54m

$1,368

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 21 results
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Best time to book a flight from Galveston to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Galveston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Galveston to Portugal (average of $612). Flying from Galveston to Portugal in June is currently the most expensive (average of $1,129). 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.

What is the cheapest time of day to fly from G4L to PT?

Find hourly flight availability from Galveston to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galveston to Portugal as you normally would.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated julio 31, 2025.
See what other customers who have flown with Delta, KLM, and Virgin Atlantic from Galveston to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,859 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Galveston to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $468. Users have also found prices from $473 and $583 on British Airways and Virgin Atlantic, respectively.

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

    While some choose either Houston Hobby - Porto or Houston Hobby - Funchal Madeira, Houston Hobby - Lisbon Humberto Delgado is the most popular route from Galveston to Portugal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Galveston 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 Galveston to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Galveston to Portugal (average of $612). Flying from Galveston to Portugal in June is currently the most expensive (average of $1,129). 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

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Top 9 airlines flying from Galveston to Portugal

Discover the top 9 airlines that operate flights from Galveston to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$549Average$805FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$916FlexibilityNo cancel feeOn-time67%
DeltaCheapest$573Average$872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$578Average$940FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$841FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$586Average$1,144FlexibilityNo cancel feeOn-time69%
KLMCheapest$629Average$1,072FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$655Average$748FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$679Average$1,404FlexibilityNo cancel feeOn-time76%

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