$325 Cheap Flights from Chicago (ORD) to Belfast (BHD)

View $325 flight on Tue, Nov 24, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Belfast (BHD-George Best Belfast City)

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Cheap Flights from Chicago to Belfast (ORD-BHD)

Prices were available within the past 7 days and start at $325 for one-way flights and $868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 2 - Sun, Sep 6
ORD
Chicago
BHD
Belfast
$868 Roundtrip, found 2 days ago
$868
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 2 from Chicago to Belfast, returning Sun, Sep 6, priced at $868 found 2 days ago
British Airways
Wed, Jan 13 - Thu, Jan 21
ORD
Chicago
BHD
Belfast
$882 Roundtrip, found 4 days ago
$882
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Jan 13 from Chicago to Belfast, returning Thu, Jan 21, priced at $882 found 4 days ago
American Airlines
Tue, Sep 15 - Fri, Sep 25
ORD
Chicago
BHD
Belfast
$883 Roundtrip, found 4 hours ago
$883
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Sep 15 from Chicago to Belfast, returning Fri, Sep 25, priced at $883 found 4 hours ago
British Airways
Mon, Oct 26 - Wed, Nov 4
ORD
Chicago
BHD
Belfast
$885 Roundtrip, found 8 hours ago
$885
Roundtrip
found 8 hours ago
Select British Airways flight, departing Mon, Oct 26 from Chicago to Belfast, returning Wed, Nov 4, priced at $885 found 8 hours ago
British Airways
Wed, Jan 13 - Thu, Jan 21
ORD
Chicago
BHD
Belfast
$886 Roundtrip, found 4 days ago
$886
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Jan 13 from Chicago to Belfast, returning Thu, Jan 21, priced at $886 found 4 days ago
British Airways
Wed, Sep 2 - Wed, Sep 9
ORD
Chicago
BHD
Belfast
$887 Roundtrip, found 2 days ago
$887
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Sep 2 from Chicago to Belfast, returning Wed, Sep 9, priced at $887 found 2 days ago
American Airlines
Wed, Sep 2 - Wed, Sep 30
ORD
Chicago
BHD
Belfast
$891 Roundtrip, found 2 days ago
$891
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 2 from Chicago to Belfast, returning Wed, Sep 30, priced at $891 found 2 days ago
Virgin Atlantic
Wed, Sep 9 - Thu, Sep 17
ORD
Chicago
BHD
Belfast
$905 Roundtrip, just found
$905
Roundtrip
just found
Select Virgin Atlantic flight, departing Wed, Sep 9 from Chicago to Belfast, returning Thu, Sep 17, priced at $905 just found
Delta
Mon, Sep 7 - Wed, Sep 16
ORD
Chicago
BHD
Belfast
$905 Roundtrip, found 20 hours ago
$905
Roundtrip
found 20 hours ago
Select Delta flight, departing Mon, Sep 7 from Chicago to Belfast, returning Wed, Sep 16, priced at $905 found 20 hours ago
KLM
Mon, Oct 26 - Wed, Nov 4
ORD
Chicago
BHD
Belfast
$961 Roundtrip, found 8 hours ago
$961
Roundtrip
found 8 hours ago
Select KLM flight, departing Mon, Oct 26 from Chicago to Belfast, returning Wed, Nov 4, priced at $961 found 8 hours ago

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) cost?
You can find cheap one-way flights from $325 and cheap return flights from $868 Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) with Expedia. Return flights typically cost between $1083 and $1940. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
The cheapest month to fly from ORD to BHD is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
Enter ORD to BHD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
American Airlines is one of the cheapest airlines offering connecting flights from Chicago, IL (ORD) to Belfast (BHD) with a layover in an unspecified location, starting from around $711. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
The earliest flight from Chicago, IL (ORD) to Belfast (BHD) typically departs at around 7:10 AM, with service provided by United and Aer Lingus. This seasonal flight allows you to start your day early, giving you more time to explore Belfast upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
The busiest day for flights from O'Hare Intl. (ORD) to George Best Belfast City (BHD) is a Friday, with around 1 flights. This gives you plenty of options for your travel plans. A major airline on this route is American Airlines.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
The most popular departure times for flights from Chicago (ORD) to Belfast (BHD) are late evening, from 9pm to midnight. This accounts for about 100% of total traffic, meaning all flights during this route operate in this time frame. Many major carriers, including American Airlines and British Airways, offer flights during this window. Many travelers prefer this timing as it allows for a full day in Chicago before heading to Belfast.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
A flight from ORD to BHD with a layover takes around 16 hours 30 minutes, with the route covering approximately 3,647 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
You can fly business class between ORD and BHD. Airlines that offer business class service on this route include:

  • British Airways
  • American Airlines
  • KLM
  • Air France

How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Belfast from O'Hare Intl. (ORD)?
When traveling from O'Hare Intl. (ORD) to Belfast, you can fly into Belfast Intl. (BFS) and George Best Belfast City (BHD). Some flights may connect through major hubs like DUB (DUB), John F. Kennedy Intl. (JFK), Logan Intl. (BOS) before reaching Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) Belfast Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Belfast (BHD-George Best Belfast City) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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
George Best Belfast City
Airlines serving
Aer Lingus, American Airlines, British Airways, Delta, KLM, Virgin Atlantic
Roundtrip price
$867
Distance
3646 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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $325 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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