Cheap flights from Belfast to Chicago
Cheap return flights from Belfast to Chicago
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Chicago flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- British Airways
- American Airlines
These airlines usually offer the cheapest flights from Belfast to Chicago.
What airlines fly indirectly?
- United Airlines
- Delta Air Lines
- Air Canada
These airlines fly from Belfast to Chicago, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from Belfast to Chicago.
Alternative flights from the UK to Chicago
Check out prices for other routes
Alternative flights from Belfast
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Belfast/Chicago route. There are around 35 flights on any given week from the UK to Chicago and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Belfast to Chicago
Tips and advice from our flight experts
You've searched for flights from Belfast to Chicago. We've found 25 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route. Look out for their deals! The cheapest offer we've found is a one-way ticket for the route from Belfast to Chicago on 16/06/2026 at 16:40 for £44.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 6,300 km flight from Belfast to Chicago.
To find the best offers, book in advance or look for last-minute deals. Consider flying with Ryanair, which operates this route, and remember the average flight duration is about 12 hours 30 minutes. After selecting an offer, fill out your information and payment. Consider booking a hotel with us or use our flight + hotel service to save time and money.
Other popular destinations near Chicago
Where other people are flying to
