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$597+ Cheap flights from George Bush Intcntl (IAH) to Kolkata (CCU)

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.
IAH — CCU
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Kolkata (CCU). 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,345
(Indian Eagle)

One-way from

$597
(Yatra.com)

Popular in

December

Cheapest in

September

Average price

$1,345
Provider with most accurate pricing for Houston George Bush Intcntl-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Kolkata Netaji S. Chandra flights.
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From Houston George Bush Intcntl to Kolkata Netaji S. Chandra
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One-way flight from Houston George Bush Intcntl to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 12% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from George Bush Intcntl to Kolkata

Cheapest flights from George Bush Intcntl to Kolkata
Explore the most affordable flight options available from George Bush Intcntl to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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.
Wed 10/17:23 pmIAH - CCU
2 stops40h 22mSingapore Airlines
Wed 10/1511:30 pmCCU - IAH
2 stops34h 59mSingapore Airlines
Deal found 4/28$1,101
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:10 pmIAH - CCU
2 stops37h 10mMultiple Airlines
Tue 9/3010:15 pmCCU - IAH
2 stops52h 05mMultiple Airlines
Deal found 4/27$1,145
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Fri 8/159:00 pmIAH - CCU
2 stops29h 25mTurkish Airlines
Sun 10/129:15 pmCCU - IAH
2 stops32h 20mTurkish Airlines
Deal found 4/29$1,311
This oojo deal was found by Cheapflights users on 4/29. 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.
Wed 10/16:10 pmIAH - CCU
1 stop21h 40mQatar Airways
Tue 10/143:50 amCCU - IAH
1 stop22h 30mQatar Airways
Deal found 4/29$1,318
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Mon 9/82:25 pmIAH - CCU
2 stops35h 20mIndiGo
Thu 9/252:00 amCCU - IAH
2 stops27h 35mIndiGo
Deal found 4/27$1,338
This oojo deal was found by Cheapflights users on 4/27. 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.
Mon 9/87:55 pmIAH - CCU
1 stop36h 50mEmirates
Fri 9/268:45 pmCCU - IAH
1 stop30h 35mEmirates
Deal found 4/27$1,344
This Indian Eagle deal was found by Cheapflights users on 4/28. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/173:35 pmIAH - CCU
2 stops30h 55mLufthansa
Mon 5/269:20 pmCCU - IAH
2 stops29h 35mLufthansa
Deal found 4/28$1,345
This KLM deal was found by Cheapflights users on 4/29. 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.
Wed 10/13:30 pmIAH - CCU
2 stops32h 45mKLM
Tue 10/147:00 pmCCU - IAH
2 stops28h 45mKLM
Deal found 4/29$1,407
This Malaysia Airlines deal was found by Cheapflights users on 4/28. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:10 pmIAH - CCU
2 stops42h 45mMalaysia Airlines
Mon 10/1312:40 amCCU - IAH
2 stops49h 40mMalaysia Airlines
Deal found 4/28$1,548
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 pmIAH - CCU
2 stops27h 00mBritish Airways
Tue 10/142:00 amCCU - IAH
3 stops51h 19mBritish Airways
Deal found 4/29$1,907

Cheapflights Fare Finder

Customize your flight search to find flights from George Bush Intcntl to Kolkata 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 April 29, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Kolkata that are best for you.

Fly from

George Bush Intcntl

Fly to

Kolkata

Route

Depart

Return

Price

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sat 5/17

3:35 pm-9:00 am

2 stops30h 55m

Kolkata Netaji S. Chandra

Mon 5/26

9:20 pm-4:25 pm

2 stops29h 35m

$1,345

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sat 5/17

12:05 pm-9:05 am

3 stops34h 30m

Kolkata Netaji S. Chandra

Mon 5/26

10:30 pm-11:59 pm

3 stops35h 59m

$1,385

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sat 5/17

6:10 pm-2:20 am

1 stop21h 40m

Kolkata Netaji S. Chandra

Sun 5/25

3:50 am-3:50 pm

1 stop22h 30m

$1,472

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Wed 5/21

7:55 pm-8:10 am

1 stop25h 45m

Kolkata Netaji S. Chandra

Thu 6/26

9:45 am-4:50 pm

1 stop41h 35m

$1,530

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sun 6/22

9:00 pm-12:55 pm

2 stops29h 25m

Kolkata Netaji S. Chandra

Sun 7/20

10:15 pm-7:05 pm

2 stops31h 20m

$1,713

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Wed 5/21

1:25 pm-10:15 pm

3 stops46h 20m

Kolkata Netaji S. Chandra

Thu 6/26

11:30 pm-11:59 pm

2 stops34h 59m

$2,558

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sat 5/3

9:00 pm-2:10 pm

2 stops30h 40m

Kolkata Netaji S. Chandra

Wed 5/14

7:05 pm-1:40 pm

2 stops53h 05m

$7,252

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Tue 5/6

6:37 am-8:30 pm

2 stops27h 23m

$597

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Sat 5/3

9:00 pm-12:15 pm

2 stops28h 45m

$662

HoustonKolkata

IAH - CCU

IAHCCU

Houston George Bush Intcntl

Mon 6/23

9:00 pm-8:15 pm

2 stops36h 45m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 13 results
1
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Compare providers for flights from George Bush Intcntl to Kolkata

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Kolkata in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Kolkata flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Houston George Bush Intcntl Airport-Kolkata flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Kolkata flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from George Bush Intcntl 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Kolkata

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Kolkata?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Kolkata. Price data was last updated on April 25, 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport to Kolkata may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kolkata (average of $978). Flying from Houston George Bush Intcntl Airport to Kolkata in December is currently the most expensive (average of $1,647). 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 IAH to CCU?

Find hourly flight availability from George Bush Intcntl to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Kolkata is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% on airfare.

Rainfall in Kolkata by month

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

In terms of precipitation, rainfall in Kolkata ranges from 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

Temperature in Kolkata by month

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

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. 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 Kolkata. Reviews last updated April 29, 2025.
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very good
3,215 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,333 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Qatar Airways
7.4
Good
3,563 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Turkish Airlines
7.3
Good
3,788 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kolkata from Houston George Bush Intcntl?

    If you book a flight to Kolkata from Houston George Bush Intcntl, you will be flying to Netaji S. Chandra, which is the city’s only airport. Kolkata Netaji S. Chandra (CCU) is located 8.3 mi from the center of Kolkata. There are 0 flights from Houston George Bush Intcntl to Netaji S. Chandra per day from 6 different airlines.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Kolkata round-trip?

    Currently priced at $1,345, Lufthansa will fly you from Houston George Bush Intcntl Airport to Kolkata and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Emirates - these airlines can fly you to your destination from $1,472 and $1,530, respectively. Users have found that Lufthansa is 10% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Kolkata one-way?

    The cheapest airline one-way is Air India, with whom users have recently found tickets for as low as $597. However, be on the lookout for offers from Turkish Airlines and IndiGo, as they are both options that can get you from Houston George Bush Intcntl Airport to Kolkata for a low price.

  • Where are the most common layover locations when flying from Houston George Bush Intcntl Airport to Kolkata?

    The most popular layover on flights from Houston George Bush Intcntl Airport to Kolkata is Doha.

  • What are some popular things to do or see while on a layover in Doha?

    Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are currently the most popular points of interest in Doha at the moment. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be visited by traveling about 5.2 mi, 8.7 mi, and 10.6 mi respectively from Doha Hamad Intl. Travelers can rent a car at Doha Hamad Intl for an average daily rate of $29 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Houston George Bush Intcntl Airport to Kolkata flights?

    Houston George Bush Intcntl Airport to Kolkata flights have a layover in Dubai the least frequently.

  • Can I find deals for flights from George Bush Intcntl to Kolkata that include hotel bookings?

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

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

    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 Kolkata.

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Kolkata 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 Houston George Bush Intcntl Airport to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kolkata (average of $978). Flying from Houston George Bush Intcntl Airport to Kolkata in December is currently the most expensive (average of $1,647). 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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Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 6 airlines flying from George Bush Intcntl to Kolkata

Discover the top 6 airlines that operate flights from George Bush Intcntl to Kolkata. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$785Average$1,122FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,098Average$1,256FlexibilityNo cancel feeOn-time81%
IndiGoCheapest$1,187Average$1,470FlexibilityNo cancel feeOn-time80%
LufthansaCheapest$1,248Average$1,478FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$1,254Average$1,588FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,306Average$1,583FlexibilityNo cancel feeOn-time68%

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