$271+ Cheap flights from Houston 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Houston to Portugal 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 Houston to Portugal
Keep the following information in mind while searching for Houston to Portugal flight deals. Data was last updated February 20, 2025.
Round-trip from | $572 (Iberia) |
|---|---|
One-way from | $323 (United Airlines) |
Popular in | May |
Cheapest in | February |
Average price | $617 |
Find flight deals from Houston to Portugal
Cheapest flights from Houston to PortugalExplore the most affordable flight options available from Houston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Houston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Houston to Portugal within your budget
Customize your flight search to find flights from Houston 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 February 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Mon 3/31
3:30 pm-3:40 pm
1 stop18h 10m
Lisbon Humberto Delgado
Wed 4/9
6:35 am-11:43 pm
2 stops23h 08m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Mon 3/31
3:30 pm-12:45 pm
1 stop15h 15m
Lisbon Humberto Delgado
Wed 4/9
7:20 am-7:15 pm
1 stop17h 55m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Wed 4/2
7:30 am-9:20 am
2 stops19h 50m
Lisbon Humberto Delgado
Tue 4/8
11:25 am-1:38 pm
2 stops32h 13m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Thu 3/20
4:25 pm-10:35 am
1 stop13h 10m
Lisbon Humberto Delgado
Tue 3/25
11:25 am-2:35 pm
1 stop32h 10m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Tue 3/18
8:45 am-9:20 am
1 stop19h 35m
Lisbon Humberto Delgado
Thu 3/27
10:55 am-9:14 pm
2 stops39h 19m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Fri 3/21
5:10 pm-5:30 pm
1 stop19h 20m
Lisbon Humberto Delgado
Fri 3/28
5:30 am-2:55 pm
1 stop14h 25m
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Mon 3/24
4:25 pm-11:10 pm
1 stop25h 45m
Lisbon Humberto Delgado
Mon 3/31
3:35 pm-1:25 pm
1 stop27h 50m
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
Tue 4/1
2:55 pm-9:45 am
1 stop12h 50m
Porto
Tue 4/8
6:00 am-6:00 pm
1 stop18h 00m
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
Tue 3/18
4:25 pm-10:45 am
1 stop13h 20m
Porto
Wed 3/26
4:10 pm-2:35 pm
1 stop27h 25m
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Tue 3/18
2:35 pm-3:25 pm
2 stops19h 50m
Porto
Tue 3/25
11:15 am-9:36 am
2 stops27h 21m
Best time to book a flight from Houston to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Houston with our price prediction graph.
Travel insights for flights from Houston to Portugal
Get recent, data-driven insights about flights from Houston to Portugal including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Houston to Portugal?
Currently, January is the cheapest month in which you can book a flight from Houston to Portugal (average of $612). Flying from Houston to Portugal in June is currently the most expensive (average of $1,234). 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 HOU to PT?
Find hourly flight availability from Houston 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 February 20, 2025.
When flying from Houston to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Portugal by month
Plan your trip to Portugal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.
Temperature in Portugal by month
Plan your trip to Portugal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
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 February 20, 2025.
To help decide which airline to fly from Houston to Portugal, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Houston to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Houston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Houston to Portugal
Discover the top 9 airlines that operate flights from Houston 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 February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$1,539 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$563 | Average$926 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$569 | Average$818 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$570 | Average$876 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$578 | Average$1,022 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$588 | Average$1,193 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$641 | Average$1,055 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$648 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$649 | Average$742 | FlexibilityNo cancel fee | On-time77% |