Cheap flights from Houston to Belfast

Compare Houston to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

Book the best Belfast fare with no extra fees

Flight deals from Houston to Belfast

Looking for a cheap last-minute deal or the best round-trip flight from Houston to Belfast? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Houston to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Belfast flights are currently cheapest in September.

Alternative Houston to Belfast routes

Looking for the cheapest, fastest or easiest route from Houston to Belfast? You could fly into the following airports instead.

Houston to Belfast: Flight information

The things to know before you go.
Cheapest flight foundC$977
Cheapest month to flySeptember

Finding cheap flights from Houston to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a round-trip flight from Houston to Belfast is C$977. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston to Belfast. But we found flights with one or more stops from C$977.
There are no flights flying from Houston to Belfast, as of May 2025.
The cheapest month to fly from Houston to Belfast is usually May 2025.
If you're flying from Houston, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the center of Belfast. We've found flights to this airport from C$977.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Belfast on Friday, September 12, 2025.
No airlines currently offer direct flights between Houston and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 10°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
The cheapest airline that flies to Belfast is Finnair.

Travelling from Houston to Belfast: what you need to know

  • There are a couple of main airports you can take off from in Houston. Check out your options leaving from George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) when reserving your flight from Houston to Belfast.

  • When working out where to arrive in Belfast, Belfast International Airport (BFS) and George Best Belfast City Airport (BHD) are the chief entry points.

  • The timezone in Belfast is UTC+0, which is five hours ahead of Houston.

  • Give yourself enough time to catch your Houston to Belfast flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Hopping on a plane during a peak time like July? Popular periods (like Thanksgiving, Christmas and spring break) can add an hour at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Houston to Belfast

  • To pick up cheap Houston to Belfast flights, book early. Airlines tend to offer their most competitively priced fares when tickets are first released.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price across each month when searching for your plane ticket from Houston to Belfast.

  • Stay on top of deals for cheap flights from Houston to Belfast by setting up a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.

  • Lock in a cheap Houston to Belfast flight with the help of our filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • Stopovers are the ideal opportunity to break up your journey — and possibly even tour another city. When searching for Houston to Belfast flights leaving from George Bush Intercontinental Airport, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

    • Manchester Airport (MAN)

  • Travelling from central Houston to IAH takes around 50 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic.

  • Catching an early flight from Houston to Belfast? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near George Bush Intercontinental Airport:

  • 78.42% of flights that take off from George Bush Intercontinental Airport touch down at their destination on time.

  • IAH's address is 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

Arriving in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is approximately 19 kilometres from central Belfast. If you're catching a cab or a ride-share, the drive will take around 30 minutes.

  • It usually takes 2 hours to get there when travelling by public transport.

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Houston to Belfast. Book one of these accommodation options near BFS instead:

  • Pick up a Belfast International Airport rental car and discover Belfast and beyond with your own wheels. Budget, Drivalia and Dollar are popular providers to choose from here.

  • Get the best deal by reserving your ride from Belfast International Airport about three weeks ahead of your trip.

George Best Belfast City Airport (BHD)

  • The centre of Belfast is located around 5 kilometres from George Best Belfast City Airport (BHD). As soon as your flight from Houston to Belfast has hit the runway and you've made your way to arrivals, expect a drive of about 10 minutes.

  • The trip will take roughly 20 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to BHD. Here are a few options where you can check in after your flight from Houston to Belfast:

  • Budget, Sixt and Alamo make collecting a George Best Belfast City Airport rental car simple. These companies are located around or in the terminal and will have you behind the wheel before you know it.

  • Snap up the best price by reserving your ride from BHD two weeks in advance. You can also expect to have a wider selection of vehicles.

Best time to go to Belfast

  • It's time to work out your dates for your flight from Houston to Belfast. August is the busiest month to travel to Belfast. If you like a quieter vibe, go in January.

  • When booking your Houston to Belfast tickets, think about what kind of weather works for you. July is the warmest month in Belfast, with temperatures ranging from 10ºC (50ºF) to 19ºC (66ºF).

  • Look for cheap flights from Houston to Belfast in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 8ºC (46ºF) on average.

More about Belfast

  • After booking your flight from Houston to Belfast, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Belfast:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are just a couple of the big attractions to put on your Belfast to-do list. Continue your sightseeing adventures at Botanic Gardens.

Explore more of United Kingdom

  • You've seen Belfast, now it's time to discover other parts of United Kingdom. Travel about 354 kilometres south-east to Birmingham to check off its leading sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.

  • If you're interested in discovering another well-known destination in United Kingdom, head for Bristol, about 418 kilometres south-east of Belfast. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.