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Cheap flights from Houston to Portugal from $289

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — LIS
Jun 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
1 adult, Economy
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How far in advance should I book a flight from Houston to Portugal?

To save on the cost of your flight from Houston to Portugal, book at least 41 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $583 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,662.

What is the cheapest month to fly from Houston to Portugal?

November is one of the best times of the year to fly to Portugal from Houston. Prices for November average $1,175 per person but you can even find prices for as low as $523. The most expensive prices can be found in the month of May. Opting for a November flight can save you 42% on your journey compared to booking in May

What is the cheapest time of day to fly from IAH to PT?

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.

Cheap Houston to Portugal flights in June & July 2024

Find cheap flight options from Houston to Portugal specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 12, 2024.
The lowest fares we've come across on flights traveling from Houston to Portugal in June and July 2024. Check back in a little while for more flight options.
Wed 7/179:05 amIAH - LIS
1 stop14h 30mMultiple Airlines
Mon 7/226:30 amLIS - IAH
2 stops47h 17mMultiple Airlines
Deal found 6/10$789
Thu 7/1112:19 pmIAH - LIS
1 stop35h 31mMultiple Airlines
Thu 7/187:05 pmLIS - IAH
2 stops42h 59mMultiple Airlines
Deal found 6/11$809
Thu 7/118:31 amIAH - LIS
1 stop15h 04mMultiple Airlines
Thu 7/187:05 pmLIS - IAH
2 stops42h 59mMultiple Airlines
Deal found 6/11$837
Thu 7/258:31 amIAH - LIS
1 stop15h 04mMultiple Airlines
Wed 7/318:15 amLIS - IAH
2 stops29h 26mMultiple Airlines
Deal found 6/11$887
Wed 7/177:35 amIAH - LIS
2 stops18h 45mUnited Airlines
Fri 7/2612:55 pmLIS - IAH
2 stops25h 49mUnited Airlines
Deal found 6/11$906
Tue 7/28:50 pmIAH - LIS
1 stop20h 10mAmerican Airlines
Tue 7/1611:05 amLIS - IAH
1 stop16h 35mAmerican Airlines
Deal found 6/11$913
Tue 7/24:50 pmIAH - LIS
2 stops16h 40mAmerican Airlines
Tue 7/1611:05 amLIS - IAH
1 stop16h 35mAmerican Airlines
Deal found 6/11$918
Tue 7/24:50 pmIAH - LIS
2 stops16h 40mAmerican Airlines
Tue 7/1611:05 amLIS - IAH
2 stops18h 53mAmerican Airlines
Deal found 6/11$922
Wed 6/267:00 amIAH - LIS
1 stop20h 05mBritish Airways
Tue 7/26:50 pmLIS - IAH
1 stop24h 55mBritish Airways
Deal found 6/11$928

Houston to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Houston and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
The lowest fares we've come across on flights traveling from Houston to Portugal in June and July 2024. Check back in a little while for more flight options.
Mon 11/116:27 pmIAH - LIS
2 stops32h 53mAir Canada
Fri 11/225:00 amLIS - IAH
2 stops22h 58mAir Canada
Deal found 6/11$597
Mon 11/117:40 amIAH - LIS
1 stop20h 50mMultiple Airlines
Fri 11/225:00 amLIS - IAH
1 stop19h 20mMultiple Airlines
Deal found 6/11$601
Wed 10/305:25 pmIAH - LIS
1 stop25h 05mUnited Airlines
Tue 11/511:00 amLIS - IAH
2 stops34h 28mUnited Airlines
Deal found 6/11$602
Wed 10/304:55 pmIAH - LIS
1 stop23h 55mAmerican Airlines
Tue 11/511:20 amLIS - IAH
1 stop16h 06mAmerican Airlines
Deal found 6/11$603
Tue 9/243:12 pmIAH - LIS
1 stop13h 03mMultiple Airlines
Fri 10/49:55 pmLIS - IAH
2 stops32h 20mMultiple Airlines
Deal found 6/10$609
Sun 11/106:00 amIAH - LIS
1 stop20h 10mUnited Airlines
Mon 12/912:15 pmLIS - IAH
1 stop32h 25mUnited Airlines
Deal found 6/11$611
Sun 11/1010:00 amIAH - LIS
2 stops17h 00mDelta
Mon 12/911:25 amLIS - IAH
1 stop32h 10mDelta
Deal found 6/11$616
Sun 8/119:51 amIAH - LIS
1 stop13h 59mMultiple Airlines
Sun 8/1810:30 amLIS - IAH
1 stop16h 22mMultiple Airlines
Deal found 6/11$635
Wed 10/306:38 pmIAH - LIS
2 stops23h 07mLufthansa
Tue 11/55:00 amLIS - IAH
2 stops24h 07mLufthansa
Deal found 6/11$647

Houston to Portugal flights leaving soon

Find last-minute flight options from Houston to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Consider one of these great deals we found on last-minute flights from Houston to Portugal. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 6/184:50 pmIAH - LIS
2 stops19h 10mDelta
Wed 6/265:40 amLIS - IAH
1 stop13h 55mDelta
Deal found 6/11$958
Tue 6/184:50 pmIAH - LIS
2 stops19h 10mDelta
Wed 6/265:40 amLIS - IAH
2 stops18h 24mDelta
Deal found 6/11$968
Wed 6/194:50 pmIAH - LIS
2 stops19h 50mDelta
Wed 6/265:40 amLIS - IAH
1 stop13h 55mDelta
Deal found 6/11$1,015
Sun 6/164:50 pmIAH - OPO
2 stops24h 30mLufthansa
Tue 7/211:05 amOPO - IAH
2 stops18h 54mLufthansa
Deal found 6/11$1,020
Wed 6/194:50 pmIAH - LIS
2 stops19h 50mDelta
Wed 6/265:40 amLIS - IAH
2 stops18h 24mDelta
Deal found 6/11$1,025
Tue 6/184:50 pmIAH - LIS
2 stops19h 10mDelta
Mon 6/245:40 amLIS - IAH
1 stop13h 55mDelta
Deal found 6/11$1,028
Wed 6/193:50 pmIAH - LIS
1 stop13h 25mAir France
Wed 6/266:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 6/11$1,030
Tue 6/184:50 pmIAH - LIS
2 stops19h 10mDelta
Mon 6/245:40 amLIS - IAH
2 stops18h 24mDelta
Deal found 6/11$1,095
Tue 6/186:00 amHOU - LIS
2 stops20h 00mDelta
Wed 6/265:40 amLIS - HOU
2 stops22h 41mDelta
Deal found 6/11$1,101

One-way flights to Portugal from Houston

Search for one-way flight options from Houston to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Take a look at some of the best available options we've come across on one-way flights from Houston to Portugal. Users can also find round-trip Houston to Portugal flights by using the search form above.
Wed 7/249:05 amIAH - LIS
1 stop19h 45mMultiple Airlines
Deal found 6/11$289
Wed 7/243:15 pmIAH - LIS
2 stops36h 40mMultiple Airlines
Deal found 6/11$294
Thu 9/192:34 pmIAH - LIS
2 stops26h 36mMultiple Airlines
Deal found 6/11$325
Tue 7/3010:06 amIAH - LIS
2 stops18h 44mMultiple Airlines
Deal found 6/11$326
Sun 7/79:39 amIAH - OPO
3 stops39h 31mMultiple Airlines
Deal found 6/11$330
Wed 7/249:05 amIAH - LIS
3 stops53h 30mMultiple Airlines
Deal found 6/11$333
Sun 8/118:20 amIAH - OPO
3 stops40h 50mMultiple Airlines
Deal found 6/11$339
Fri 6/288:09 pmIAH - LIS
2 stops42h 11mMultiple Airlines
Deal found 6/10$346
Sun 7/79:39 amIAH - OPO
2 stops31h 51mMultiple Airlines
Deal found 6/11$347

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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$597 - $678

Route

Depart

Return

Price

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 11/11

2 stops32h 53m

Lisbon Humberto Delgado

Fri 11/22

2 stops22h 58m

$597

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 11/11

1 stop20h 50m

Lisbon Humberto Delgado

Fri 11/22

1 stop19h 20m

$601

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

1 stop25h 05m

Lisbon Humberto Delgado

Tue 11/5

2 stops34h 28m

$602

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

1 stop23h 55m

Lisbon Humberto Delgado

Tue 11/5

1 stop16h 06m

$603

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 11/10

2 stops17h 00m

Lisbon Humberto Delgado

Mon 12/9

1 stop32h 10m

$616

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

2 stops23h 07m

Lisbon Humberto Delgado

Tue 11/5

2 stops24h 07m

$647

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 10/31

1 stop17h 00m

Lisbon Humberto Delgado

Wed 11/6

1 stop16h 11m

$653

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 11/10

2 stops20h 40m

Lisbon Humberto Delgado

Mon 12/9

2 stops17h 05m

$664

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Fri 11/1

1 stop21h 50m

Porto

Tue 11/5

1 stop27h 25m

$678

Flights are sorted by cheapest first

Deals found on 6/11

No data available for this route at this time. Please check back soon.

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.
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.

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 June 12, 2024.
To help decide which airline to fly from Houston to Portugal, see what other customers have to say about United Airlines, American Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,470 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.7
Good
1,903 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.7
Good
1,361 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.6
Good
714 reviews
Delta
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Entertainment

8.0

Crew

8.6

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Houston to Portugal for under $600 on Cheapflights?

    Yes, there are multiple flights from Houston to Portugal for under $600. The cheapest flight booked recently is on Air Canada for just $597, but on average you can expect to pay $649.

  • Are there last-minute flights available from Houston to Portugal for under $1,000?

    There are currently 20+ open flights from Houston to Portugal within the next 7 days for less than $1,000.

  • What are the most popular routes from Houston to Portugal?

    While some choose either Houston George Bush Intcntl - Lisbon Humberto Delgado or Houston Hobby - Porto, Houston Hobby - Lisbon Humberto Delgado is the most popular route from Houston to Portugal.

  • What does IAH to LIS mean?

    IAH and LIS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAH to LIS refers to a flight route from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport. Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Houston to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Houston to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Houston to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Houston to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Houston to Portugal that allow pets onboard?

    Many airlines flying from Houston to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Houston to Portugal?

    Yes, you can often find last-minute deals on Houston to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston to Portugal flight deals updated?

    The Houston to Portugal flight deals you see on this page were last updated on 6/11.

  • What are the most popular airlines that fly from Houston to Portugal?

    When booking a flight from Houston to Portugal, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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

    Currently, December is the cheapest month in which you can book a flight from Houston to Portugal (average of $594). Flying from Houston to Portugal in June is currently the most expensive (average of $1,191). 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 Houston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Houston to Portugal

Discover the top 10 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 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$446Average$1,021FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$476Average$1,036FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$523Average$1,072FlexibilityNo cancel feeOn-time71%
DeltaCheapest$536Average$1,059FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$542Average$806FlexibilityNo cancel feeOn-time79%
IberiaCheapest$548Average$768FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$551Average$1,464FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$557Average$1,253FlexibilityNo cancel feeOn-time69%
KLMCheapest$586Average$1,187FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$606Average$1,039FlexibilityNo cancel feeOn-time77%
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Search flights from Houston to Portugal by cabin class

Find flights from Houston to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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