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Cheap flights from George Bush Intcntl (IAH) to Portugal from $276

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 10/1. 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.
IAH — LIS
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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How far in advance should I book a flight from Houston George Bush Intcntl Airport to Portugal?

To save on the cost of your flight from Houston George Bush Intcntl Airport to Portugal, book at least 26 days before your planned departure. Booking around this time can save you about 242% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,156 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,261.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Portugal?

February is one of the best times of the year to fly to Portugal from Houston George Bush Intcntl Airport. Prices for February average $1,105 per person but you can even find prices for as low as $670. The most expensive prices can be found in the month of June. Opting for a February flight can save you 44% on your journey compared to booking in June

When is the cheapest time to fly from Houston George Bush Intcntl Airport to Portugal (IAH - PT)?

When flying from Houston George Bush Intcntl Airport 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 United Airlines flights from George Bush Intcntl to Portugal

Explore cheap flight options specifically provided by United Airlines for the route between George Bush Intcntl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Find some of the cheapest United Airlines flights traveling from Houston to Portugal. It's recommended that users confirm their flight details before booking.
Wed 8/2112:15 pmIAH - LIS
1 stop15h 05mUnited Airlines
Tue 9/311:25 amLIS - IAH
2 stops33h 58mUnited Airlines
Deal found 5/4$703
Wed 8/2112:00 pmIAH - LIS
2 stops15h 20mUnited Airlines
Tue 9/311:25 amLIS - IAH
2 stops33h 58mUnited Airlines
Deal found 5/4$707
Sun 9/17:35 amIAH - LIS
1 stop20h 55mUnited Airlines
Tue 9/2412:50 pmLIS - IAH
2 stops28h 00mUnited Airlines
Deal found 5/3$911
Mon 9/167:57 pmIAH - LIS
1 stop32h 33mUnited Airlines
Thu 9/265:05 amLIS - IAH
2 stops21h 13mUnited Airlines
Deal found 5/3$913
Tue 8/271:50 pmIAH - OPO
1 stop13h 55mUnited Airlines
Tue 9/312:15 pmOPO - IAH
1 stop31h 20mUnited Airlines
Deal found 5/3$946
Tue 8/272:31 pmIAH - OPO
2 stops13h 14mUnited Airlines
Tue 9/312:15 pmOPO - IAH
1 stop31h 20mUnited Airlines
Deal found 5/3$950
Tue 6/41:50 pmIAH - OPO
1 stop13h 55mUnited Airlines
Fri 6/149:00 amOPO - IAH
1 stop14h 08mUnited Airlines
Deal found 5/3$1,011
Tue 6/42:20 pmIAH - OPO
2 stops13h 25mUnited Airlines
Fri 6/1412:35 pmOPO - IAH
2 stops17h 40mUnited Airlines
Deal found 5/3$1,015
Mon 5/272:25 pmIAH - OPO
1 stop13h 20mUnited Airlines
Thu 6/2012:35 pmOPO - IAH
1 stop14h 15mUnited Airlines
Deal found 5/4$1,018

Cheap British Airways flights from George Bush Intcntl to Portugal

Explore cheap flight options specifically provided by British Airways for the route between George Bush Intcntl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Have a look at some of the cheapest available British Airways flights departing from Houston and landing in Portugal. Make sure to examine the flight information before completing your reservation.
Wed 10/304:55 pmIAH - LIS
1 stop14h 05mBritish Airways
Tue 11/57:25 pmLIS - IAH
1 stop24h 45mBritish Airways
Deal found 5/4$706
Tue 8/138:50 pmIAH - LIS
1 stop15h 05mBritish Airways
Thu 8/2911:05 amLIS - IAH
1 stop16h 51mBritish Airways
Deal found 5/3$723
Wed 9/189:00 pmIAH - LIS
1 stop15h 00mBritish Airways
Tue 9/246:50 pmLIS - IAH
1 stop24h 55mBritish Airways
Deal found 5/3$729
Tue 8/138:50 pmIAH - LIS
1 stop15h 05mBritish Airways
Tue 8/277:15 amLIS - IAH
1 stop17h 44mBritish Airways
Deal found 5/3$731
Wed 9/189:00 pmIAH - LIS
1 stop31h 10mBritish Airways
Tue 9/246:50 pmLIS - IAH
2 stops32h 46mBritish Airways
Deal found 5/3$766
Thu 8/153:35 pmIAH - LIS
1 stop17h 55mBritish Airways
Thu 8/2911:05 amLIS - IAH
1 stop16h 51mBritish Airways
Deal found 5/3$773
Tue 9/249:00 pmIAH - LIS
1 stop14h 55mBritish Airways
Wed 10/911:05 amLIS - IAH
1 stop16h 03mBritish Airways
Deal found 5/3$776
Mon 9/239:00 pmIAH - LIS
1 stop15h 05mBritish Airways
Tue 10/87:15 amLIS - IAH
1 stop17h 50mBritish Airways
Deal found 5/3$780
Mon 9/233:35 pmIAH - LIS
1 stop15h 15mBritish Airways
Tue 10/87:15 amLIS - IAH
2 stops19h 53mBritish Airways
Deal found 5/3$794

Cheap George Bush Intcntl to Portugal flights in May & June 2024

Find cheap flight options from George Bush Intcntl to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 4, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. Check back regularly for other flight deals.
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops36h 21mMultiple Airlines
Deal found 5/3$751
Sat 6/81:36 pmIAH - OPO
1 stop26h 54mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops36h 21mMultiple Airlines
Deal found 5/3$753
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Fri 6/142:40 pmOPO - IAH
2 stops23h 54mMultiple Airlines
Deal found 5/3$757
Sat 6/81:36 pmIAH - OPO
1 stop26h 54mMultiple Airlines
Fri 6/142:40 pmOPO - IAH
2 stops23h 54mMultiple Airlines
Deal found 5/3$758
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Mon 6/178:25 pmOPO - IAH
2 stops46h 21mMultiple Airlines
Deal found 5/3$777
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Thu 6/136:00 amOPO - IAH
2 stops36h 46mMultiple Airlines
Deal found 5/3$782
Sat 6/81:36 pmIAH - OPO
1 stop26h 54mMultiple Airlines
Thu 6/136:00 amOPO - IAH
2 stops36h 46mMultiple Airlines
Deal found 5/3$784
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops36h 21mMultiple Airlines
Deal found 5/3$792
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Sun 6/169:30 amOPO - IAH
2 stops29h 04mMultiple Airlines
Deal found 5/3$794

George Bush Intcntl to Portugal 2024 flight deals

Discover exclusive flight deals for travel between George Bush Intcntl and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. Check back regularly for other flight deals.
Sun 11/249:40 pmIAH - OPO
2 stops16h 20mAmerican Airlines
Mon 12/212:25 pmOPO - IAH
2 stops31h 45mAmerican Airlines
Deal found 5/3$711
Sun 11/244:30 pmIAH - OPO
1 stop17h 15mLufthansa
Mon 12/24:35 pmOPO - IAH
1 stop27h 30mLufthansa
Deal found 5/3$723
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops36h 21mMultiple Airlines
Deal found 5/3$751
Sat 6/81:36 pmIAH - OPO
1 stop26h 54mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops36h 21mMultiple Airlines
Deal found 5/3$753
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Fri 6/142:40 pmOPO - IAH
2 stops23h 54mMultiple Airlines
Deal found 5/3$757
Sat 6/81:36 pmIAH - OPO
1 stop26h 54mMultiple Airlines
Fri 6/142:40 pmOPO - IAH
2 stops23h 54mMultiple Airlines
Deal found 5/3$758
Sun 11/247:15 amIAH - OPO
2 stops22h 20mMultiple Airlines
Sun 12/17:25 pmOPO - IAH
2 stops48h 02mMultiple Airlines
Deal found 5/3$761
Wed 6/51:36 pmIAH - OPO
1 stop14h 59mMultiple Airlines
Mon 6/178:25 pmOPO - IAH
2 stops46h 21mMultiple Airlines
Deal found 5/3$777
Sun 11/243:25 pmIAH - OPO
1 stop18h 00mKLM
Sun 12/14:10 pmOPO - IAH
1 stop27h 25mKLM
Deal found 5/3$778

George Bush Intcntl to Portugal flights leaving soon

Find last-minute flight options from George Bush Intcntl 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 2,864,334 searches. Data last updated May 4, 2024.
Users seeking a last-minute flight from Houston to Portugal should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 5/136:35 amIAH - LIS
3 stops30h 10mMultiple Airlines
Mon 5/205:55 amLIS - IAH
3 stops38h 27mMultiple Airlines
Deal found 5/3$928
Mon 5/139:40 amIAH - LIS
2 stops28h 25mMultiple Airlines
Mon 5/205:55 amLIS - IAH
3 stops38h 27mMultiple Airlines
Deal found 5/3$1,015
Mon 5/139:40 amIAH - LIS
2 stops28h 25mMultiple Airlines
Mon 5/207:05 amLIS - IAH
2 stops23h 07mMultiple Airlines
Deal found 5/3$1,098
Mon 5/139:40 amIAH - LIS
2 stops28h 25mMultiple Airlines
Mon 5/2010:40 amLIS - IAH
1 stop19h 32mMultiple Airlines
Deal found 5/3$1,209
Thu 5/912:43 pmIAH - LIS
1 stop13h 37mBrussels Airlines
Sat 5/1812:05 pmLIS - IAH
2 stops32h 45mBrussels Airlines
Deal found 5/3$1,431
Wed 5/87:20 amIAH - LIS
1 stop21h 10mUnited Airlines
Wed 5/153:05 pmLIS - IAH
1 stop32h 50mUnited Airlines
Deal found 5/3$1,547
Wed 5/86:45 amIAH - LIS
2 stops21h 45mUnited Airlines
Wed 5/153:05 pmLIS - IAH
1 stop32h 50mUnited Airlines
Deal found 5/3$1,551
Wed 5/82:25 pmIAH - LIS
2 stops14h 05mUnited Airlines
Wed 5/1510:05 amLIS - IAH
2 stops19h 45mUnited Airlines
Deal found 5/3$1,561
Mon 5/139:40 amIAH - LIS
1 stop14h 10mMultiple Airlines
Mon 5/2010:40 amLIS - IAH
1 stop19h 32mMultiple Airlines
Deal found 5/3$1,606

One-way flights to Portugal from George Bush Intcntl

Search for one-way flight options from George Bush Intcntl 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 2,864,334 searches. Data last updated May 4, 2024.
Some of the best available deals we've found on one-way flights from Houston to Portugal. Those seeking round-trip flights from Houston to Portugal should utilize the search form at the the top of the page.
Tue 10/111:13 amIAH - OPO
2 stops25h 37mMultiple Airlines
Deal found 5/3$276
Tue 10/111:13 amIAH - LIS
2 stops25h 12mMultiple Airlines
Deal found 5/3$280
Sun 10/611:13 amIAH - OPO
2 stops25h 42mMultiple Airlines
Deal found 5/3$288
Thu 10/311:13 amIAH - OPO
2 stops25h 52mMultiple Airlines
Deal found 5/3$309
Sat 10/511:13 amIAH - OPO
2 stops25h 47mMultiple Airlines
Deal found 5/3$322
Wed 10/211:13 amIAH - OPO
2 stops25h 47mMultiple Airlines
Deal found 5/3$335
Sun 6/239:39 amIAH - LIS
2 stops28h 26mMultiple Airlines
Deal found 5/3$352
Fri 10/49:36 amIAH - OPO
2 stops20h 49mMultiple Airlines
Deal found 5/3$364
Sun 6/239:39 amIAH - LIS
3 stops26h 46mMultiple Airlines
Deal found 5/3$366

Find flights from George Bush Intcntl to Portugal within your budget

Customize your flight search to find flights from George Bush Intcntl 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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$703 - $875

Route

Depart

Return

Price

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 8/21

1 stop15h 05m

Lisbon Humberto Delgado

Tue 9/3

2 stops33h 58m

$703

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

1 stop14h 05m

Lisbon Humberto Delgado

Tue 11/5

1 stop24h 45m

$706

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 8/12

1 stop15h 05m

Lisbon Humberto Delgado

Wed 8/28

1 stop29h 56m

$715

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 8/14

2 stops15h 20m

Lisbon Humberto Delgado

Tue 8/27

1 stop29h 56m

$719

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 8/13

1 stop20h 05m

Lisbon Humberto Delgado

Mon 8/26

1 stop24h 45m

$742

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 8/12

2 stops14h 35m

Lisbon Humberto Delgado

Wed 8/28

2 stops23h 56m

$744

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

2 stops17h 06m

Lisbon Humberto Delgado

Tue 11/5

2 stops18h 44m

$757

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 8/15

1 stop13h 35m

Lisbon Humberto Delgado

Mon 8/26

1 stop23h 55m

$807

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 9/1

1 stop36h 05m

Lisbon Humberto Delgado

Tue 9/24

1 stop26h 15m

$875

Flights are sorted by cheapest first

Deals found on 5/4

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

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 May 4, 2024.
Read through reviews of airlines operating flights from Houston to Portugal, such as United Airlines, British Airways and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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
8.1
Very good
10,838 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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
1,604 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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
7.8
Good
2,019 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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.

Air France
7.6
Good
1,786 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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.

Turkish Airlines
7.5
Good
3,709 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Food

7.4

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 George Bush Intcntl 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 George Bush Intcntl Airport to Portugal for under $800 on Cheapflights?

    Yes, there are multiple flights from Houston George Bush Intcntl Airport to Portugal for under $800. The cheapest flight booked recently is on United Airlines for just $703, but on average you can expect to pay $735.

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

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

  • What are the most popular routes from Houston George Bush Intcntl Airport to Portugal?

    The most popular flight routes from Houston George Bush Intcntl Airport to Portugal are Houston George Bush Intcntl - Lisbon Humberto Delgado, Houston George Bush Intcntl - Porto and Houston George Bush Intcntl - Funchal Madeira.

  • What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Portugal?

    The most popular airlines flying from Houston George Bush Intcntl Airport to Portugal are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

  • What does IAH to LIS mean?

    This is defined as Houston George Bush Intcntl Airport (IAH) and Lisbon Humberto Delgado Airport (LIS). Codes like Lisbon Humberto Delgado Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

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

    The amount of baggage you can bring on your George Bush Intcntl 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 George Bush Intcntl to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter George Bush Intcntl 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 George Bush Intcntl to Portugal that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Portugal?

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

  • Can I find deals for business class flights from George Bush Intcntl to Portugal?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl to Portugal that allow pets onboard?

    Many airlines flying from George Bush Intcntl 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 George Bush Intcntl to Portugal?

    Yes, you can often find last-minute deals on George Bush Intcntl 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 George Bush Intcntl Airport to Portugal flight deals updated?

    The Houston George Bush Intcntl Airport to Portugal flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for George Bush Intcntl 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 George Bush Intcntl to Portugal

Discover the top 10 airlines that operate flights from George Bush Intcntl 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 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$500Average$1,076FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$524Average$1,100FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SWISSCheapest$542Average$806FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest$549Average$823FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest$556Average$989FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$632Average$1,323FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest$671Average$1,144FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$687Average$997FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest$703Average$1,448FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$740Average$1,040FlexibilityNo cancel feeOn-time77%
Search Air France flights
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Search flights from George Bush Intcntl to Portugal by cabin class

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