Cheap Flights from Chicago (ORD) to Belfast (BFS)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Belfast International Airport (BFS)

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Find the cheapest month to fly from Chicago (ORD) to Belfast (BFS)

October is typically the cheapest month to fly

From $591 - $1,297 per traveler.

Alternative airports near Belfast

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Best Belfast City BHD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $694
BHD
George Best Belfast City
CheapestClosest
Average driving time to city center6 min
Flights from $694

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) cost?
Secure a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS)?
The cheapest month to fly from ORD to BFS is , when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from ORD to BFS. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to BFS?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) last-minute?
Last-minute fares from ORD to BFS are typically more expensive. To secure the cheapest rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book an ORD to BFS flight and hotel package?
You can save money by booking an ORD to BFS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS)?
If you reserved your ORD to BFS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Belfast Intl.
Distance
3632 mi

Book with confidence

Chicago to Belfast Flights

The cheapest times to fly from Chicago to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Belfast are during the month of . You can find some of the cheapest flights from Chicago to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Belfast

Sunday is one of the best days to book for cheap flights from Chicago to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Belfast Flights

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