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Cheap Flights from Chicago to Belfast

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      Travellers and cabin class, 1 Adult, Economy

      Compare Chicago 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 Chicago to Belfast

      Looking for a cheap last-minute deal or the best return flight from Chicago to Belfast? If you want to travel next month, return fares start from Rs183,584. Find the lowest prices on one-way and return tickets right here.
      Belfast.Rs67,583 per passenger.Departing Mon, 10 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 10 Aug, arriving in Belfast International.Price includes taxes and charges.From Rs67,583, select.
      Belfast.Rs83,106 per passenger.Departing Tue, 15 Sep.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago Midway on Tue, 15 Sep, arriving in Belfast International.Price includes taxes and charges.From Rs83,106, select.
      Belfast.Rs87,193 per passenger.Departing Mon, 5 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Mon, 5 Oct, arriving in Belfast International.Price includes taxes and charges.From Rs87,193, select.
      Belfast.Rs92,437 per passenger.Departing Sat, 13 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Sat, 13 Mar, arriving in Belfast International.Price includes taxes and charges.From Rs92,437, select.
      Belfast.Rs105,270 per passenger.Departing Tue, 21 Jul.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Chicago O'Hare International on Tue, 21 Jul, arriving in Belfast International.Price includes taxes and charges.From Rs105,270, select.

      Find the cheapest month to fly from Chicago to Belfast

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Belfast flights are currently cheapest in August.
      Jul
      from Rs105,270
      Aug
      from Rs67,583
      Sep
      from Rs83,106
      Oct
      from Rs87,193
      Nov
      Find prices
      Dec
      Find prices
      Jan
      Find prices
      Feb
      Find prices
      Mar
      from Rs92,437
      Apr
      Find prices
      May
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      Jun
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      Alternative Chicago to Belfast routes

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

      Belfast City

      4km from central Belfast
      Closest
      from Rs70,569
      Search flights

      Belfast International

      20km from central Belfast
      Cheapest
      from Rs67,583
      Search flights

      Chicago to Belfast: Flight information

      The things to know before you go.
      Cheapest flight foundRs67,583
      Cheapest month to flyAugust

      Finding cheap flights from Chicago to Belfast: Frequently asked questions

      There are 2 airports in Belfast: Belfast City and Belfast International.
      The best price we found for a return flight from Chicago to Belfast is Rs183,584. 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 to Belfast. But we found flights with one or more stops from Rs183,584.
      As of July 2026, there are no flights flying from Chicago to Belfast.
      The cheapest month to fly from Chicago to Belfast is usually August.
      If you're flying from Chicago, the cheapest airport near Belfast is Belfast International – which is 19.7 km away from the centre of Belfast. We've found flights into this airport from Rs183,584.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Belfast on Sunday, 9 August 2026.
      No airlines currently offer direct flights between Chicago 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 July, the average temperature is usually around 14°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 Frontier Airlines .

      Travelling from Chicago to Belfast: what you need to know

      • Chicago is home to two main airports that could be the jumping-off point for your adventure. Explore your options for reserving a flight from Chicago to Belfast flying out of Chicago O'Hare International Airport (ORD) or Chicago Midway Airport (MDW).

      • When it comes to choosing where to land in Belfast, Belfast International Airport (BFS) and Belfast City Airport (BHD) are the chief entry points.

      • Belfast's timezone is UTC+0, which makes Belfast six hours ahead of Chicago.

      • For a relaxed travel experience, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your Chicago to Belfast flight.

      • Flying during a peak month like July? Public holidays and other popular seasons can lead to longer lines at security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

      How to find the cheapest flights from Chicago to Belfast

      • Booking ahead of time is often the key to scoring a cheap Chicago to Belfast flight. Fares tend to rise as seats fill up, so the closer you get to departure, the more it could cost you.

      • If you're willing to be flexible with your trip dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your plane ticket from Chicago to Belfast.

      • Finding a cheap flight from Chicago to Belfast is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

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

      Flying from Chicago

      Chicago O'Hare International Airport (ORD)

      • We make it simple to find a Chicago to Belfast flight with a stopover. To see all your options departing from Chicago O'Hare International Airport, uncheck 'Direct flights only.' Then, simply choose a flight that has a stop long enough to tour the city of your choice. Some popular stopovers include:

        • London Heathrow Airport (LHR)

        • Amsterdam Schiphol Airport (AMS)

        • Frankfurt am Main Airport (FRA)

      • The journey from central Chicago to ORD takes about 45 minutes on public transport. If you ride-share, drive or grab a taxi, you'll cover the 26 kilometres in 30 minutes or so, depending on traffic.

      • Catching an early flight from Chicago to Belfast? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Chicago O'Hare International Airport:

      • When it comes to Chicago O'Hare International Airport's on-time performance, 70% of flights stick to their scheduled arrival time.

      • The address for ORD is 10000 West O'Hare.

      Chicago Midway Airport (MDW)

      • MDW is about 14 kilometres from central Chicago. It takes 25 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 30 minutes.

      • It's your holiday, so why not book an extra night away? Consider checking in to one of these accommodation options near Chicago Midway Airport the day before your flight from Chicago to Belfast:

      • Chicago Midway Airport has an on-time performance of 76%. This figure shows how often flights that leave from this airport make it to their destination on schedule.

      • MDW is located at 5700 South Cicero.

      Arriving in Belfast

      Belfast International Airport (BFS)

      • Belfast International Airport (BFS) to central Belfast takes around 25 minutes to reach by car. The centre is roughly 19 kilometres away.

      • Getting there on public transport will take you around 45 minutes.

      • If you're arriving on a late flight from Chicago to Belfast, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near BFS:

      • Grab a Belfast International Airport rental car and discover Belfast and beyond with your own wheels. Budget, Drivalia and Dollar are top providers you can book with here.

      • Lock in the best deal by booking your ride from Belfast International Airport around three weeks ahead of your trip.

      Belfast City Airport (BHD)

      • Belfast City Airport (BHD) is around 5 kilometres from central Belfast. Following your flight from Chicago to Belfast, it'll take you approximately 15 minutes to get to the heart of the city in a taxi or ride-share.

      • You can expect the journey to take roughly 25 minutes on public transport.

      • Hang up the 'Do not disturb' sign and unwind at a hotel close to BHD. Here are a few options where you can put your feet up after your flight from Chicago to Belfast:

      • No need to worry about public transport schedules or taxi lines. Grab a Belfast City Airport rental car and take your trip in whatever direction you choose. Compare rates and availability from Budget, Sixt and Alamo.

      • Call dibs on the best options. Reserving your ride from BHD two weeks in advance often means lower prices and a greater range of vehicles.

      Best time to go to Belfast

      • February is the quietest month for flights from Chicago to Belfast, while September is the busiest. Figure out the best time to visit Belfast based on whether you want a lively atmosphere or a more laid-back vibe.

      • Lock in a Chicago to Belfast ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Belfast to range from 9ºC to 19ºC.

      • If you want cooler conditions, search for a cheap flight from Chicago to Belfast in January when temperatures average between 1ºC and 8ºC.

      More about Belfast

      Explore more of the United Kingdom

      • Belfast will leave a lasting impression, but there are so many other parts of the United Kingdom you should also see. About 274 kilometres southeast of Belfast, a trip to Manchester will keep you on the move. Check out popular attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Science and Industry Museum.

      • Around 354 kilometres southeast of Belfast, Birmingham is another essential stop in the United Kingdom. Experience this destination's highlights firsthand at Birmingham Museum & Art Gallery, Birmingham Hippodrome and Bournville Experience.

      Plan the rest of your trip from Chicago to Belfast

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.