$287 Flights from Chicago O'Hare International (ORD) to Belfast (BELF)

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Find the cheapest month to fly from Chicago O'Hare International to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Belfast flights are currently cheapest in July.

Alternative Chicago O'Hare International to Belfast routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Belfast? You could fly into the following airports instead.

Chicago to Belfast: Flight information

The things to know before you go.
Cheapest flight found$287
Cheapest month to flyJuly

Finding cheap flights from Chicago O'Hare International 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 Chicago O'Hare International to Belfast is $575. 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 Chicago O'Hare International to Belfast. But we found flights with one or more stops from $575.
There are no flights flying from Chicago O'Hare International to Belfast, as of January 2026.
The cheapest month to fly from Chicago O'Hare International to Belfast is usually January.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Belfast is Belfast International – which is 12.2 miles away from the center of Belfast. We've found flights to this airport from $575.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Belfast on Monday, January 26, 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport 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 January, the average temperature is usually around 41°F. August is typically the warmest month in Belfast, when it usually averages around 62°F. You can expect the least rain in May. The coldest month is January, with temperatures averaging 39°F. The rainiest month is October.
Currently, Spirit Airlines offers the cheapest flight tickets to Belfast.

Traveling from O'Hare International Airport (ORD) to Belfast: what you need to know

  • The timezone in Belfast is UTC+0. The city is five hours ahead of Chicago, where O'Hare International Airport is located.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your ORD to Belfast flight.

  • Delays at check-in and security are likely if you're heading away during high season, so give yourself some extra wiggle room. A good rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Consider adding a stopover to potentially find a cheaper plane ticket from ORD to Belfast. All you need to do is deselect 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular airports:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • Located around 16 miles from the center of Chicago, ORD can be reached in about 35 minutes by car (depending on traffic). Traveling on public transport takes roughly 55 minutes.

  • Planning to catch an early flight from O'Hare International Airport to Belfast? Avoid rushing to the terminal (and catch some extra z's) by choosing one of these stays near ORD:

  • Of all flights departing from O'Hare International Airport, 74.85% land on time at their destination.

  • ORD is located at 10000 West O'Hare.

How to find the cheapest flights from O'Hare International Airport (ORD) to Belfast

  • $287 is currently the best price for a one-way O'Hare International Airport to Belfast flight. Return plane tickets start from $575. These prices may change depending on availability and demand.

  • Booking in advance is often the key to locking in a cheap flight from ORD to Belfast. Fares tend to rise as demand increases, so the nearer you get to departure, the more you'll likely spend.

  • Scoring cheap tickets from O'Hare International Airport to Belfast is more likely if you can be flexible with your trip dates. Try using the 'Whole month' search function to access the lowest fares across every month and snap up a sweet deal.

  • Stay on top of deals for cheap flights from ORD to Belfast by setting up a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

  • Save money on your flight from O'Hare International Airport to Belfast with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is around 20 miles from the center of Belfast. If you're grabbing a cab or a ride-share, the drive will take roughly 30 minutes.

  • If you're traveling by public transport, expect a journey time of around 2 hours.

  • Look into staying at a hotel near BFS if you're coming in on a late flight from O'Hare International Airport to Belfast. Pick one of these options and make arrival day easier:

  • Travel at your own pace with a Belfast International Airport rental car. Pick up your wheels from Budget, Drivalia or Dollar and find adventure across Belfast and beyond.

  • To get the best deal, reserve your vehicle from Belfast International Airport about three weeks in advance of your flight from ORD to Belfast.

George Best Belfast City Airport (BHD)

  • After your flight from O'Hare International Airport to Belfast has hit the tarmac, you can get to the city center in about 10 minutes by car. Central Belfast is roughly 5 miles from George Best Belfast City Airport (BHD).

  • The journey will take about 20 minutes on public transport.

  • You'll find some comfortable places to drop your things at near BHD. Kick back and get cozy after your ORD to Belfast flight at one of these perfectly located options:

  • The fastest way to get to where you're going is with a George Best Belfast City Airport rental car. Grab your wheels from Budget, Sixt or Alamo and be off and running.

  • Avoid last-minute price surges. Reserving your ride two weeks ahead of your arrival at BHD can help you lock in a better rate.

Best time to go to Belfast

  • Travel to Belfast in peak season if you prefer a lively atmosphere, but remember that hotel prices are generally higher. Alternatively, book flights from O'Hare International Airport to Belfast during low season when prices are cheaper and it's less crowded.

  • The warmest month in Belfast is July, with temperatures ranging between 50ºF and 66ºF. Lock in your O'Hare International Airport to Belfast plane ticket then if this is the type of weather you enjoy.

  • Search for cheap tickets from ORD to Belfast in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 34ºF and 46ºF on average.

More about Belfast

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Belfast right here. Explore these options as soon as you've booked your flight from O'Hare International Airport to Belfast:

  • Crumlin Road Gaol Visitor Attraction and Conference Centre and Titanic Belfast are a couple of major attractions to put on your Belfast travel itinerary. Keep the sightseeing going at Botanic Gardens.

Explore more of United Kingdom

  • Belfast has plenty to offer, but there are so many other parts of United Kingdom you should also see. About 220 miles south-east of Belfast, a trip to Birmingham will keep your itinerary busy. Start with attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're looking to explore another major destination in United Kingdom, consider Bristol, roughly 260 miles 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.