HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$569+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Galveston to Porto with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Galveston to Porto

Keep the following information in mind while searching for Galveston to Porto flight deals. Data was last updated February 23, 2025.

Round-trip from

$824
(Delta)

One-way from

$569
(Delta)

Popular in

December

Cheapest in

March
From Galveston to Porto
Search Deals
One-way flight from Galveston to Porto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
Search Deals

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 February 23, 2025.

This Delta deal was found by Cheapflights users on 2/23. 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.
Tue 4/810:35 amHOU - OPO
2 stops22h 55mDelta
Tue 4/1511:25 amOPO - HOU
2 stops27h 53mDelta
Deal found 2/23$824
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:43 pmHOU - OPO
2 stops15h 12mIberia
Sat 7/2612:20 pmOPO - HOU
2 stops17h 25mIberia
Deal found 2/21$1,681
This KLM deal was found by Cheapflights users on 2/22. 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.
Tue 2/256:37 pmHOU - OPO
2 stops14h 48mKLM
Mon 3/36:20 amOPO - HOU
2 stops17h 22mKLM
Deal found 2/22$1,865
This Gurufare deal was found by Cheapflights users on 2/22. 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.
Tue 6/32:22 pmHOU - OPO
2 stops15h 18mMultiple Airlines
Fri 6/612:20 pmOPO - HOU
2 stops17h 23mMultiple Airlines
Deal found 2/22$2,226
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:22 pmHOU - OPO
2 stops15h 18mAmerican Airlines
Fri 6/612:20 pmOPO - HOU
2 stops17h 23mAmerican Airlines
Deal found 2/21$2,233

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 February 23, 2025.

Fly from

Galveston

Fly to

Porto

Route

Depart

Return

Price

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 4/8

10:35 am-3:30 pm

2 stops22h 55m

Porto

Tue 4/15

11:25 am-9:33 am

2 stops28h 08m

$824

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 7/16

6:43 pm-3:55 pm

2 stops15h 12m

Porto

Sat 7/26

12:20 pm-11:45 pm

2 stops17h 25m

$1,681

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/3

2:22 pm-11:40 am

2 stops15h 18m

Porto

Fri 6/6

12:20 pm-11:43 pm

2 stops17h 23m

$2,226

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/3

2:22 pm-11:40 am

2 stops15h 18m

Porto

Fri 6/6

12:20 pm-11:43 pm

2 stops17h 23m

$2,233

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 4/17

6:45 pm-10:15 pm

2 stops21h 30m

$569

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 5/11

6:29 pm-7:55 pm

2 stops19h 26m

$720

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 4/17

6:00 am-7:35 am

3 stops43h 35m

$1,134

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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 $1,092). 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 February 23, 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 February 23, 2025.
Delta
8.0
Very good
8,191 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta
8.0
Very good
8,191 reviews
Delta
8.0
Very good
8,191 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Iberia
7.0
Good
2,639 reviews
Delta
8.0
Very good
8,191 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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.

  • 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 $1,092). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$1,055FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$679Average$1,651FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$697Average$1,230FlexibilityNo cancel feeOn-time69%
DeltaCheapest$717Average$1,026FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.