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$479+ Cheap flights from Galveston, TX to Porto (OPO)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Galveston to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Galveston (G4L) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$603
(Delta)

One-way from

$479
(Delta)

Popular in

December

Cheapest in

March

Average price

$1,069
From Galveston to Porto
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One-way flight from Galveston to Porto
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Highest demand for flights based on searches. 1% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Galveston to Porto

Cheapest flights from Galveston to Porto
Explore the most affordable flight options available from Galveston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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.
mar. 1/286:00 amHOU - OPO
2 stops22h 50mDelta
vie. 2/76:15 amOPO - HOU
2 stops17h 27mDelta
Deal found 1/20$603
This American Airlines deal was found by Cheapflights users on 1/20. 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.
vie. 1/316:45 pmHOU - OPO
2 stops15h 15mAmerican Airlines
vie. 2/78:20 amOPO - HOU
2 stops17h 24mAmerican Airlines
Deal found 1/20$643
This Air France deal was found by Cheapflights users on 1/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:37 pmHOU - OPO
2 stops14h 48mKLM
lun. 2/106:20 amOPO - HOU
2 stops22h 09mKLM
Deal found 1/21$658
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/56:16 pmHOU - OPO
2 stops15h 39mIberia
mié. 4/2312:20 pmOPO - HOU
2 stops17h 37mIberia
Deal found 1/20$1,073
This Gurufare deal was found by Cheapflights users on 1/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/282:34 pmHOU - OPO
2 stops15h 06mBritish Airways
mié. 9/108:15 amOPO - HOU
2 stops21h 32mBritish Airways
Deal found 1/20$1,356
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/141:00 pmHOU - OPO
2 stops15h 40mMultiple Airlines
mar. 7/229:20 amOPO - HOU
2 stops18h 15mMultiple Airlines
Deal found 1/20$1,539

Find flights from Galveston to Porto within your budget

Customize your flight search to find flights from Galveston to Porto 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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

vie. 1/31

6:45 pm-4:00 pm

2 stops15h 15m

Porto

vie. 2/7

8:20 am-7:44 pm

2 stops17h 24m

$643

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 3/4

6:00 am-10:30 am

2 stops22h 30m

Porto

mar. 3/11

11:15 am-9:36 am

2 stops27h 21m

$647

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 2/3

6:37 pm-3:25 pm

2 stops14h 48m

Porto

lun. 2/10

6:20 am-10:29 pm

2 stops22h 09m

$658

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

sáb. 4/5

6:16 pm-3:55 pm

2 stops15h 39m

Porto

mié. 4/23

12:20 pm-11:57 pm

2 stops17h 37m

$1,073

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 7/14

1:00 pm-10:40 am

2 stops15h 40m

Porto

mar. 7/22

9:20 am-9:35 pm

2 stops18h 15m

$1,539

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

jue. 5/15

6:37 pm-8:25 pm

2 stops19h 48m

Porto

lun. 5/19

9:15 pm-3:52 pm

2 stops24h 37m

$7,278

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mié. 1/29

10:50 am-10:50 am

2 stops18h 00m

$479

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 2/3

10:50 am-9:05 am

2 stops16h 15m

$484

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

vie. 1/31

12:14 pm-4:00 pm

2 stops21h 46m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Galveston to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto 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.

Travel insights for flights from Galveston to Porto

Get recent, data-driven insights about flights from Galveston to Porto including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Galveston to Porto (average of $523). Flying from Galveston to Porto in June is currently the most expensive (average of $1,083). 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 OPO?

Find hourly flight availability from Galveston to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated enero 21, 2025.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia
7.0
Good
2,646 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What airport do you fly into for flights to Porto from Galveston?

    Porto (OPO) is the airport you will fly into if you book a flight from Galveston to Porto. You should not have trouble finding flights to Porto from Galveston; the airport handles an average of 0 inbound flights from Galveston per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Porto airport from Galveston. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

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

    The cheapest airlines for a one-way flight from Galveston to Porto are Delta ($479), KLM ($484), and Iberia ($639).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Galveston to Porto (average of $523). Flying from Galveston to Porto in June is currently the most expensive (average of $1,083). 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

Traveling to a place near Galveston?

Book flights to Galveston if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Top 4 airlines flying from Galveston to Porto

Discover the top 4 airlines that operate flights from Galveston to Porto. 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$1,075FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$697Average$1,280FlexibilityNo cancel feeOn-time69%
DeltaCheapest$717Average$1,026FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$944Average$1,642FlexibilityNo cancel feeOn-time76%
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