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

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $1,128. Users have also found prices from $1,371 and $2,044 on British Airways and Finnair, respectively.

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

Currently, August is the cheapest month in which you can book a flight from Northern Ireland to Houston George Bush Intcntl Airport (average of $241). Flying from Northern Ireland to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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).

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

When flying from Northern Ireland to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How can I find direct flights from Northern Ireland to George Bush Intcntl?

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

Can I find deals for business class flights from Northern Ireland to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Northern Ireland to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$448+ Flights from Northern Ireland to Houston George Bush Intcntl Airport

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1. Tell us where you want to go

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Cheap flight deals from Northern Ireland to George Bush Intcntl

Round-trip from	$3,908 (Air France)
One-way from	$448 (Kiwi.com)

From Northern Ireland to Houston George Bush Intcntl

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One-way flight from Northern Ireland to Houston George Bush Intcntl

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Find flight deals from Northern Ireland to George Bush Intcntl

Cheapest flights from Northern Ireland to George Bush Intcntl
Explore the most affordable flight options available from Northern Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sun 8/317:05 amBHD - IAH

2 stops21h 30mMultiple Airlines

Mon 9/13:30 pmIAH - BHD

1 stop14h 35mMultiple Airlines

Deal found 7/29

$964

Mon 8/116:40 amBHD - IAH

1 stop12h 35mKLM

Mon 8/115:41 pmIAH - BHD

2 stops17h 14mKLM

Deal found 7/31

$3,912

Mon 8/116:40 amBHD - IAH

2 stops17h 05mBritish Airways

Mon 8/119:00 pmIAH - BHD

2 stops18h 10mBritish Airways

Deal found 7/31

$4,617

Best flights from Northern Ireland to George Bush Intcntl
Discover carefully curated flight deals from Northern Ireland to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Mon 8/116:40 amBHD - IAH

1 stop12h 35mMultiple Airlines

Mon 8/113:30 pmIAH - BHD

1 stop19h 25mMultiple Airlines

Deal found 7/31

$3,908

Mon 8/116:40 amBHD - IAH

1 stop12h 35mKLM

Mon 8/115:41 pmIAH - BHD

2 stops17h 14mKLM

Deal found 7/31

$3,912

Mon 8/116:40 amBHD - IAH

2 stops17h 05mBritish Airways

Mon 8/119:00 pmIAH - BHD

2 stops18h 10mBritish Airways

Deal found 7/31

$4,617

Last-minute flights from Northern Ireland to George Bush Intcntl
Discover last-minute flight deals from Northern Ireland to George Bush Intcntl. Data last updated July 31, 2025 and is based on user searches.

Mon 8/116:40 amBHD - IAH

1 stop12h 35mKLM

Mon 8/115:41 pmIAH - BHD

2 stops17h 14mKLM

Deal found 7/31

$3,912

Mon 8/116:40 amBHD - IAH

2 stops17h 05mBritish Airways

Mon 8/119:00 pmIAH - BHD

2 stops18h 10mBritish Airways

Deal found 7/31

$4,617

Sun 8/317:05 amBHD - IAH

2 stops21h 30mMultiple Airlines

Mon 9/13:30 pmIAH - BHD

1 stop14h 35mMultiple Airlines

Deal found 7/29

$964

One-way flights from Northern Ireland to George Bush Intcntl
Search for one-way flight options from Northern Ireland to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Fri 8/294:00 pmBHD - IAH

2 stops35h 50mMultiple Airlines

Deal found 7/30

$448

Tue 8/510:50 amBFS - IAH

3 stops39h 41mMultiple Airlines

Deal found 7/31

$957

Sat 10/255:20 pmBHD - IAH

3 stops36h 23mAer Lingus

Deal found 7/30

$1,128

Sat 10/257:05 amBHD - IAH

1 stop18h 10mBritish Airways

Deal found 7/30

$1,371

Sat 10/254:15 pmBHD - IAH

1 stop28h 50mFinnair

Deal found 7/30

$2,044

Tue 8/56:30 amBHD - IAH

1 stop12h 45mVirgin Atlantic

Deal found 7/31

$2,178

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Mon 8/11

6:40 am-1:15 pm

1 stop12h 35m

Houston George Bush Intcntl

Mon 8/11

3:30 pm-4:55 pm

1 stop19h 25m

$3,908

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Mon 8/11

6:40 am-1:15 pm

1 stop12h 35m

Houston George Bush Intcntl

Mon 8/11

5:41 pm-4:55 pm

2 stops17h 14m

$3,912

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Mon 8/11

6:40 am-5:45 pm

2 stops17h 05m

Houston George Bush Intcntl

Mon 8/11

9:00 pm-9:10 pm

2 stops18h 10m

$4,617

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Fri 8/29

4:00 pm-9:50 pm

2 stops35h 50m

$448

BelfastHouston

BFS - IAH

BFSIAH

Belfast Intl

Tue 8/5

10:50 am-8:31 pm

3 stops39h 41m

$957

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Sat 10/25

5:20 pm-11:43 pm

3 stops36h 23m

$1,128

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Sat 10/25

7:05 am-7:15 pm

1 stop18h 10m

$1,371

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Sat 10/25

4:15 pm-3:05 pm

1 stop28h 50m

$2,044

BelfastHouston

BHD - IAH

BHDIAH

Belfast City

Tue 8/5

6:30 am-1:15 pm

1 stop12h 45m

$2,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Northern Ireland to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Northern Ireland 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 Northern Ireland to Houston George Bush Intcntl Airport

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

Reviews of airlines servicing George Bush Intcntl

Peruse reviews from past customers who have flown with KLM, Finnair, and Virgin Atlantic from Northern Ireland to Houston George Bush Intcntl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Finnair

7.6

Good

1,316 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

655 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Aer Lingus

7.1

Good

1,192 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.6

Okay

7,222 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What are the cheapest airlines to fly from Northern Ireland to Houston George Bush Intcntl Airport one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $1,128. Users have also found prices from $1,371 and $2,044 on British Airways and Finnair, respectively.
Can I find deals for flights from Northern Ireland to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Northern Ireland to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to George Bush Intcntl.
Can I find deals for business class flights from Northern Ireland to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Northern Ireland to George Bush Intcntl 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 Northern Ireland to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Northern Ireland to Houston George Bush Intcntl Airport (average of $241). Flying from Northern Ireland to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Montgomery

Spring

Humble

Conroe

The Woodlands

Tomball

Katy

Jersey Village

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$448+ Cheap flights from Northern Ireland to George Bush Intcntl (IAH)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Northern Ireland to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Northern Ireland to George Bush Intcntl

Keep the following information in mind while searching for Northern Ireland to George Bush Intcntl flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Find flight deals from Northern Ireland to George Bush Intcntl

Cheapest flights from Northern Ireland to George Bush IntcntlExplore the most affordable flight options available from Northern Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Northern Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Houston George Bush Intcntl Airport that are best for you.

Best time to book a flight from Northern Ireland to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Northern Ireland with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing George Bush Intcntl

Peruse reviews from past customers who have flown with KLM, Finnair, and Virgin Atlantic from Northern Ireland to Houston George Bush Intcntl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to George Bush Intcntl. 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 Northern Ireland to Houston George Bush Intcntl Airport one-way?

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

How can I find direct flights from Northern Ireland to George Bush Intcntl?

Can I find deals for business class flights from Northern Ireland to George Bush Intcntl?

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

Traveling to a place near Houston George Bush Intcntl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.

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Cheapest flights from Northern Ireland to George Bush Intcntl
Explore the most affordable flight options available from Northern Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.