Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Belfast from $1,629

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Belfast departing on 12/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Houston to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:10 pm - 10:25 pmIAH-BFS
24h 15m3 stops
Multiple Airlines Logo
6:00 am - 10:36 pmBFS-IAH
22h 36m2 stops
$1,629Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
Multiple Airlines Logo
5:46 am - 8:10 pmIAH-BFS
32h 24m2 stops
Multiple Airlines Logo
6:00 am - 10:36 pmBFS-IAH
22h 36m2 stops
$1,658Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
Multiple Airlines Logo
4:10 pm - 10:25 pmIAH-BFS
24h 15m3 stops
Multiple Airlines Logo
6:00 am - 12:54 amBFS-IAH
24h 54m3 stops
$1,729Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
Multiple Airlines Logo
4:20 pm - 9:30 pmIAH-BFS
23h 10m1 stop
Multiple Airlines Logo
10:10 am - 2:45 pmBFS-IAH
34h 35m1 stop
$2,781Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
Multiple Airlines Logo
9:34 pm - 8:20 amIAH-BFS
52h 46m2 stops
Multiple Airlines Logo
9:40 am - 1:55 pmBFS-IAH
34h 15m1 stop
$2,998Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Belfast Intl Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Houston to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 12/21

4:10 pm-10:25 pm

3 stops24h 15m

Belfast Intl

Sat 1/3

6:00 am-10:36 pm

2 stops22h 36m

$1,629

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 12/21

5:46 am-8:10 pm

2 stops32h 24m

Belfast Intl

Sat 1/3

6:00 am-10:36 pm

2 stops22h 36m

$1,658

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 12/21

4:10 pm-10:25 pm

3 stops24h 15m

Belfast Intl

Sat 1/3

6:00 am-12:54 am

3 stops24h 54m

$1,729

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 12/21

4:20 pm-9:30 pm

1 stop23h 10m

Belfast Intl

Sat 1/3

10:10 am-2:45 pm

1 stop34h 35m

$2,781

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 12/21

9:34 pm-8:20 am

2 stops52h 46m

Belfast Intl

Sat 1/3

9:40 am-1:55 pm

1 stop34h 15m

$2,998

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from Houston to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Sunday when prices can be found for as low as $739. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Belfast Intl Airport for around $1,138.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

At noon is the cheapest time of day to fly from Houston to Belfast Intl Airport when you can find flight prices for as low as $784. Flying to Belfast Intl Airport at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the evening when prices are around $968.

Cheap Houston to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Belfast Intl Airport

Direct flights

None
There are no direct flights from Houston to Belfast Intl Airport. There are no popular flight routes from Houston to Belfast Intl Airport.
Search flight deals

  • How far is Houston to Belfast Intl by plane?

    Houston and Belfast Intl are 4532.9 mi apart from one another. In terms of flight time, this usually takes a little over 23h 10m.

  • When did momondo last update prices for flights from Houston to Belfast Intl Airport?

    Prices for flights from Houston to Belfast Intl Airport are updated daily.

  • How many operators does momondo search for flights from Houston to Belfast Intl Airport?

  • How old do you have to be to fly from Houston to Belfast Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Belfast Intl Airport

Compare and see reviews for airlines that fly from Houston to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $632Free CancellationRating
6.7
7,494 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Belfast. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Belfast with flexible booking policies on momondo?

Flights from Houston to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Belfast?

momondo helps you find the best flight between Houston and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Houston and alert you when they change.

An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/3
Wed 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $366
Flights to London Gatwick Airportfrom $313
Flights to London City Airportfrom $440
Flights to London Stansted Airportfrom $395
Flights to London Luton Airportfrom $395
Flights to Glasgow Intl Airportfrom $410
Flights to London Southend Airportfrom $435
Flights to Belfast City Airportfrom $521