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

According to our current data, American Airlines (£519), KLM (£535), and Delta (£572) offers the cheapest pricing from Houston George Bush Intcntl Airport to Belfast.

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

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Belfast (average of £67). Flying from Houston George Bush Intcntl Airport to Belfast in July is currently the most expensive (average of £90). 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 Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

The best pricing can be found in the month of January. Prices to Belfast from Houston George Bush Intcntl Airport average £648. You can even find prices in January for less than £648, as users have found deals to Belfast from as low as £439. The month of December appears to be one of the more expensive times to travel to Belfast from Houston George Bush Intcntl Airport. Flying in the targeted month can save you up to 81%.

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

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

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

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

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

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 Belfast.

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

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

£266+ Flights from Houston George Bush Intcntl Airport to Belfast

Cheap flight deals from George Bush Intcntl to Belfast

Round-trip from	£519
One-way from	£266
Popular in	December
Cheapest in	January
Average price	£716

American Airlines
1/9-15/9
3 total stops
30h 47m total
Houston to Belfast

Search Deals

American Airlines
21/7
2 total stops
15h 15m total
Houston to Belfast

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£57 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease (£44 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from George Bush Intcntl to Belfast

Cheapest flights from George Bush Intcntl to Belfast
Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 luglio 2025.

lun 1/921:00IAH - BHD

1 stop14h 30mAmerican Airlines

lun 15/912:15BHD - IAH

2 stops16h 17mAmerican Airlines

Deal found 9/7£519

lun 1/915:30IAH - BHD

1 stop23h 45mKLM

lun 15/917:25BHD - IAH

1 stop25h 50mKLM

Deal found 9/7£535

ven 3/1015:30IAH - BHD

1 stop23h 45mDelta

mar 7/1017:25BHD - IAH

1 stop25h 50mDelta

Deal found 9/7£572

ven 3/1015:16IAH - BHD

2 stops23h 59mVirgin Atlantic

mar 7/1017:25BHD - IAH

1 stop25h 50mVirgin Atlantic

Deal found 10/7£575

lun 25/817:02IAH - BFS

3 stops18h 18mMultiple Airlines

lun 1/906:10BFS - IAH

2 stops20h 55mMultiple Airlines

Deal found 11/7£604

dom 20/711:02IAH - BHD

2 stops25h 43mBritish Airways

mer 23/706:50BHD - IAH

2 stops19h 27mBritish Airways

Deal found 11/7£1,069

lun 21/710:00IAH - BHD

3 stops24h 25mMultiple Airlines

mer 23/706:55BHD - IAH

3 stops22h 30mMultiple Airlines

Deal found 11/7£1,093

Best flights from George Bush Intcntl to Belfast
Discover carefully curated flight deals from George Bush Intcntl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 luglio 2025.

lun 1/921:00IAH - BHD

1 stop14h 30mAmerican Airlines

lun 15/912:15BHD - IAH

2 stops16h 17mAmerican Airlines

Deal found 9/7£519

lun 1/915:30IAH - BHD

1 stop23h 45mKLM

lun 15/917:25BHD - IAH

1 stop25h 50mKLM

Deal found 9/7£535

ven 3/1015:30IAH - BHD

1 stop23h 45mDelta

mar 7/1017:25BHD - IAH

1 stop25h 50mDelta

Deal found 9/7£572

ven 3/1015:16IAH - BHD

2 stops23h 59mVirgin Atlantic

mar 7/1017:25BHD - IAH

1 stop25h 50mVirgin Atlantic

Deal found 10/7£575

lun 25/817:02IAH - BFS

3 stops18h 18mMultiple Airlines

lun 1/906:10BFS - IAH

2 stops20h 55mMultiple Airlines

Deal found 11/7£604

lun 21/710:00IAH - BHD

3 stops24h 25mMultiple Airlines

mer 23/706:55BHD - IAH

3 stops22h 30mMultiple Airlines

Deal found 11/7£1,093

Last-minute flights from George Bush Intcntl to Belfast
Discover last-minute flight deals from George Bush Intcntl to Belfast. Data last updated 11 luglio 2025 and is based on user searches.

mar 15/715:30IAH - BHD

1 stop23h 35mDelta

ven 25/706:30BHD - IAH

1 stop12h 45mDelta

Deal found 9/7£1,288

dom 20/711:02IAH - BHD

2 stops25h 43mBritish Airways

mer 23/706:50BHD - IAH

2 stops19h 27mBritish Airways

Deal found 11/7£1,069

lun 21/710:00IAH - BFS

3 stops19h 20mMultiple Airlines

mer 23/709:35BFS - IAH

3 stops44h 24mMultiple Airlines

Deal found 11/7£949

lun 21/710:07IAH - BHD

2 stops17h 13mAmerican Airlines

mer 23/710:00BHD - IAH

2 stops19h 24mAmerican Airlines

Deal found 11/7£1,040

lun 21/717:33IAH - BHD

2 stops17h 22mKLM

mer 23/706:30BHD - IAH

1 stop12h 45mKLM

Deal found 11/7£1,052

lun 21/715:30IAH - BHD

1 stop19h 25mVirgin Atlantic

mer 23/706:30BHD - IAH

1 stop12h 45mVirgin Atlantic

Deal found 11/7£1,090

lun 21/710:00IAH - BHD

3 stops24h 25mMultiple Airlines

mer 23/706:55BHD - IAH

3 stops22h 30mMultiple Airlines

Deal found 11/7£1,093

lun 25/817:02IAH - BFS

3 stops18h 18mMultiple Airlines

lun 1/906:10BFS - IAH

2 stops20h 55mMultiple Airlines

Deal found 11/7£604

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

lun 1/9

21:00-17:30

1 stop14h 30m

Belfast City

lun 15/9

12:15-22:32

2 stops16h 17m

£519

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

lun 1/9

15:30-21:15

1 stop23h 45m

Belfast City

lun 15/9

17:25-13:15

1 stop25h 50m

£535

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

ven 3/10

15:30-21:15

1 stop23h 45m

Belfast City

mar 7/10

17:25-13:15

1 stop25h 50m

£572

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

ven 3/10

15:16-21:15

2 stops23h 59m

Belfast City

mar 7/10

17:25-13:15

1 stop25h 50m

£575

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

lun 25/8

17:02-17:20

3 stops18h 18m

Belfast Intl

lun 1/9

06:10-21:05

2 stops20h 55m

£604

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

lun 21/7

10:00-16:25

3 stops24h 25m

Belfast City

mer 23/7

06:55-23:25

3 stops22h 30m

£1,093

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

lun 21/7

12:05-09:20

2 stops15h 15m

£266

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

lun 21/7

15:30-16:55

1 stop19h 25m

£299

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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

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

Estimated return 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 Belfast

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

Reviews of airlines servicing Belfast

See what other customers who have flown with Delta, KLM, andAir France from Houston George Bush Intcntl Airport to Belfast have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,951 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,467 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Belfast round-trip?
According to our current data, American Airlines (£519), KLM (£535), and Delta (£572) offers the cheapest pricing from Houston George Bush Intcntl Airport to Belfast.
Can I find deals for flights from George Bush Intcntl to Belfast that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Belfast?
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 Belfast.
Can I find deals for business class flights from George Bush Intcntl to Belfast?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Belfast 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 Belfast?
Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Belfast (average of £67). Flying from Houston George Bush Intcntl Airport to Belfast in July is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for George Bush Intcntl to Belfast

Hobby to Belfast City flights

George Bush Intcntl to Belfast City flights

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How does Cheapflights help users find flights from George Bush Intcntl to Belfast?

When you search for this flight from George Bush Intcntl to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Belfast?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Belfast.

Can Cheapflights find flights from George Bush Intcntl to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from George Bush Intcntl to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Houston George Bush Intcntl Airport to Belfast from £266

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from George Bush Intcntl to Belfast

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from George Bush Intcntl to Belfast

Cheapest flights from George Bush Intcntl to BelfastExplore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 luglio 2025.

Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 luglio 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Reviews of airlines servicing Belfast

See what other customers who have flown with Delta, KLM, andAir France from Houston George Bush Intcntl Airport to Belfast have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Belfast. 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 flying from Houston George Bush Intcntl Airport to Belfast round-trip?

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

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

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

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

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 George Bush Intcntl to Belfast

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from George Bush Intcntl to Belfast?

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Belfast?

Can Cheapflights find flights from George Bush Intcntl to Belfast with no change fees?

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Belfast become cheaper?

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Cheapest flights from George Bush Intcntl to Belfast
Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 luglio 2025.