What’s the cost of a flight from Belfast to Chicago O'Hare?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Belfast and Chicago.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports near Belfast or Chicago offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Belfast: Besides Belfast - International, you can also try City.
• Airports in Chicago: 3 options available in Chicago - Midway, O'Hare, Rockford.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Adjust your flight filters for Belfast – Chicago O'Hare

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.