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$293+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — HOU
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Portugal to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to Houston (HO1). 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 January 21, 2025.

Round-trip from

$587
(Kiwi.com)

One-way from

$293
(Kiwi.com)
From Portugal to Houston
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One-way flight from Portugal to Houston
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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 January 21, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/108:55 amLIS - IAH
2 stops53h 52mMultiple Airlines
Tue 4/16:01 pmIAH - LIS
1 stop29h 29mMultiple Airlines
Deal found 1/21$587
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.
Fri 3/75:30 amLIS - IAH
1 stop14h 25mAir France
Wed 4/23:50 pmIAH - LIS
1 stop20h 05mAir France
Deal found 1/21$669
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.
Thu 2/65:00 amLIS - HOU
2 stops23h 29mDelta
Wed 2/196:00 amHOU - LIS
2 stops20h 00mDelta
Deal found 1/20$670
This Delta 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 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 10mDelta
Tue 3/44:10 pmIAH - LIS
1 stop17h 00mDelta
Deal found 1/21$670
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/712:30 pmLIS - IAH
2 stops17h 36mAmerican Airlines
Sun 3/303:30 pmIAH - LIS
1 stop25h 30mAmerican Airlines
Deal found 1/21$678
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/63:45 pmLIS - IAH
1 stop28h 25mBritish Airways
Wed 2/196:29 pmIAH - LIS
2 stops17h 16mBritish Airways
Deal found 1/21$685
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/610:55 amLIS - HOU
2 stops19h 00mAmerican Airlines
Wed 2/194:13 pmHOU - LIS
2 stops16h 42mAmerican Airlines
Deal found 1/21$695
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:30 amLIS - IAH
2 stops21h 36mFinnair
Tue 4/14:53 pmIAH - LIS
2 stops24h 02mFinnair
Deal found 1/21$714
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:30 amLIS - IAH
2 stops21h 31mIberia
Wed 2/197:25 amIAH - LIS
2 stops26h 40mIberia
Deal found 1/21$732
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/65:00 amLIS - IAH
1 stop15h 40mUnited Airlines
Wed 2/1912:00 pmIAH - LIS
1 stop14h 10mUnited Airlines
Deal found 1/20$751
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:55 amLIS - IAH
2 stops41h 23mAir Canada
Wed 4/28:45 amIAH - LIS
2 stops44h 25mAir Canada
Deal found 1/21$777
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1612:30 pmLIS - HOU
2 stops17h 12mIberia
Thu 5/2212:22 pmHOU - LIS
2 stops17h 28mIberia
Deal found 1/20$834

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 January 21, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

8:55 am-9:47 am

2 stops53h 52m

Houston George Bush Intcntl

Tue 4/1

6:01 pm-5:30 am

1 stop29h 29m

$587

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 3/7

5:30 am-1:55 pm

1 stop14h 25m

Houston George Bush Intcntl

Wed 4/2

3:50 pm-5:55 pm

1 stop20h 05m

$669

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Thu 2/6

5:00 am-10:29 pm

2 stops23h 29m

Houston Hobby

Wed 2/19

6:00 am-8:00 am

2 stops20h 00m

$670

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 3/1

5:00 am-8:10 pm

2 stops21h 10m

Houston George Bush Intcntl

Tue 3/4

3:33 pm-3:10 pm

2 stops17h 37m

$670

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 3/7

12:30 pm-12:06 am

2 stops17h 36m

Houston George Bush Intcntl

Sun 3/30

3:30 pm-11:00 pm

1 stop25h 30m

$678

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 2/6

3:45 pm-2:10 pm

1 stop28h 25m

Houston George Bush Intcntl

Wed 2/19

6:29 pm-5:45 pm

2 stops17h 16m

$685

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Thu 2/6

10:55 am-11:55 pm

2 stops19h 00m

Houston Hobby

Wed 2/19

4:13 pm-2:55 pm

2 stops16h 42m

$695

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 3/4

6:30 am-10:06 pm

2 stops21h 36m

Houston George Bush Intcntl

Wed 4/2

4:53 pm-11:10 pm

2 stops24h 17m

$714

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 2/6

6:30 am-10:01 pm

2 stops21h 31m

Houston George Bush Intcntl

Wed 2/19

7:25 am-4:05 pm

2 stops26h 40m

$732

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 2/6

5:00 am-2:40 pm

1 stop15h 40m

Houston George Bush Intcntl

Wed 2/19

12:00 pm-8:10 am

1 stop14h 10m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 26 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 January 21, 2025.
See what other customers who have flown with American Airlines, Iberia and British Airways 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
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

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

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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 Turkish Airlines, which is currently one of the cheapest options available, starting at $617. Aer Lingus flights start at $628 while deals on Finnair start at $634 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$654Average$666FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$663Average$812FlexibilityNo cancel feeOn-time70%
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