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$372+ Cheap flights from Portugal to Houston

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — HOU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portugal to Houston

Keep the following information in mind while searching for Portugal to Houston flight deals. Data was last updated February 20, 2025.

Round-trip from

$592
(Mytrip)

One-way from

$372
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$784
From Portugal to Houston
Search Deals
One-way flight from Portugal to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portugal to Houston

Cheapest flights from Portugal to Houston
Explore the most affordable flight options available from Portugal to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1011:35 amLIS - IAH
2 stops29h 01mMultiple Airlines
Tue 3/256:04 amIAH - LIS
2 stops28h 11mMultiple Airlines
Deal found 2/20$592
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:30 amLIS - IAH
1 stop17h 00mBritish Airways
Sun 3/1610:45 pmIAH - LIS
1 stop18h 00mBritish Airways
Deal found 2/20$680
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 3/110:30 amLIS - IAH
2 stops18h 13mAmerican Airlines
Sun 3/1610:45 pmIAH - LIS
1 stop18h 00mAmerican Airlines
Deal found 2/19$694
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:00 amLIS - IAH
2 stops19h 55mIberia
Mon 4/79:00 pmIAH - LIS
2 stops20h 25mIberia
Deal found 2/20$700
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/29:00 amLIS - HOU
2 stops16h 43mAmerican Airlines
Mon 4/710:18 amHOU - LIS
2 stops16h 47mAmerican Airlines
Deal found 2/20$708
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 3/15:00 amLIS - IAH
2 stops21h 44mDelta
Sun 3/165:10 pmIAH - LIS
1 stop17h 00mDelta
Deal found 2/20$758
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:55 amLIS - IAH
1 stop17h 23mUnited Airlines
Sun 3/97:50 pmIAH - LIS
1 stop33h 25mUnited Airlines
Deal found 2/19$767
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:35 amLIS - IAH
2 stops18h 45mFinnair
Fri 5/96:23 pmIAH - LIS
2 stops22h 47mFinnair
Deal found 2/20$827
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sun 3/3010:55 amLIS - IAH
1 stop31h 45mTurkish Airlines
Thu 4/39:00 pmIAH - LIS
1 stop30h 55mTurkish Airlines
Deal found 2/19$846
This Virgin Atlantic deal was found by Cheapflights users on 2/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/111:15 amLIS - HOU
2 stops16h 10mVirgin Atlantic
Sun 3/162:23 pmHOU - LIS
2 stops13h 32mVirgin Atlantic
Deal found 2/20$1,005
This Iberia deal was found by Cheapflights users on 2/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:30 pmLIS - HOU
2 stops17h 29mIberia
Fri 5/96:29 pmHOU - LIS
2 stops15h 36mIberia
Deal found 2/20$1,125
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 3/110:00 amLIS - HOU
2 stops29h 30mDelta
Sun 3/166:00 amHOU - LIS
2 stops23h 35mDelta
Deal found 2/18$1,202

Find flights from Portugal to Houston within your budget

Customize your flight search to find flights from Portugal to Houston 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 20, 2025.

Fly from

Portugal

Fly to

Houston

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:35 am-11:36 am

2 stops29h 01m

Houston George Bush Intcntl

Tue 3/25

6:04 am-3:15 pm

2 stops28h 11m

$592

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:05 am-9:38 pm

1 stop15h 33m

Houston George Bush Intcntl

Mon 3/17

4:55 pm-6:55 pm

1 stop21h 00m

$686

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:05 am-12:18 am

2 stops18h 13m

Houston George Bush Intcntl

Mon 3/17

10:45 pm-9:55 pm

1 stop18h 10m

$694

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 4/2

9:00 am-10:55 pm

2 stops19h 55m

Houston George Bush Intcntl

Mon 4/7

9:00 pm-11:25 pm

2 stops20h 25m

$700

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Wed 4/2

9:00 am-7:43 pm

2 stops16h 43m

Houston Hobby

Mon 4/7

10:18 am-9:05 am

2 stops16h 47m

$708

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 3/6

10:55 am-10:18 pm

1 stop17h 23m

Houston George Bush Intcntl

Sun 3/9

7:50 pm-10:15 am

1 stop33h 25m

$767

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 5/5

6:35 am-7:20 pm

2 stops18h 45m

Houston George Bush Intcntl

Fri 5/9

6:23 pm-11:10 pm

2 stops22h 47m

$827

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 3/30

10:55 am-12:40 pm

1 stop31h 45m

Houston George Bush Intcntl

Thu 4/3

9:00 pm-9:55 am

1 stop30h 55m

$846

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Mon 5/5

12:30 pm-11:59 pm

2 stops17h 29m

Houston Hobby

Fri 5/9

6:29 pm-4:05 pm

2 stops15h 36m

$1,125

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Sat 4/5

10:00 am-9:22 pm

2 stops17h 22m

Houston Hobby

Sat 4/12

6:00 am-10:45 am

2 stops22h 45m

$1,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 24 results
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Best time to book a flight from Portugal to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Portugal 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 Portugal to Houston

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

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

Currently, September is the cheapest month in which you can book a flight from Portugal to Houston (average of $230). Flying from Portugal to Houston in March is currently the most expensive (average of $334). 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.

Rainfall in Houston by month

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

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

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

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated February 20, 2025.
See what other customers who have flown with Delta, Finnair and Virgin Atlantic from Portugal to Houston have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Portugal to Houston. 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 Portugal to Houston one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $560. Turkish Airlines flights start at $630 while deals on Iberia start at $655 one-way.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Portugal to Houston (average of $230). Flying from Portugal to Houston in March is currently the most expensive (average of $334). 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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Alternative routes for Portugal to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Portugal to Houston

Discover the top 2 airlines that operate flights from Portugal to Houston. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$675Average$813FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$707Average$792FlexibilityNo cancel feeOn-time70%
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