$380 Cheap Flights from Chicago (ORD) to Belfast (BFS)

View $380 flight on Mon, Aug 25, 2025Opens in a new window

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

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Cheap Flights from Chicago to Belfast (ORD-BFS)

Prices were available within the past 7 days and start at $380 for one-way flights and $634 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Aug 10 - Tue, Aug 19
ORD
Chicago
BHD
Belfast
$634 Roundtrip, found 9 hours ago
$634
Roundtrip
found 9 hours ago
Select British Airways flight, departing Sun, Aug 10 from Chicago to Belfast, returning Tue, Aug 19, priced at $634 found 9 hours ago
American Airlines
Sun, Oct 26 - Mon, Nov 3
ORD
Chicago
BHD
Belfast
$638 Roundtrip, found 3 hours ago
$638
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Oct 26 from Chicago to Belfast, returning Mon, Nov 3, priced at $638 found 3 hours ago
American Airlines
Sun, Oct 26 - Mon, Nov 3
ORD
Chicago
BHD
Belfast
$641 Roundtrip, found 3 hours ago
$641
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Oct 26 from Chicago to Belfast, returning Mon, Nov 3, priced at $641 found 3 hours ago
British Airways
Sun, Aug 10 - Tue, Aug 19
ORD
Chicago
BHD
Belfast
$643 Roundtrip, found 9 hours ago
$643
Roundtrip
found 9 hours ago
Select British Airways flight, departing Sun, Aug 10 from Chicago to Belfast, returning Tue, Aug 19, priced at $643 found 9 hours ago
British Airways
Tue, Aug 26 - Tue, Sep 2
ORD
Chicago
BHD
Belfast
$644 Roundtrip, found 5 days ago
$644
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Aug 26 from Chicago to Belfast, returning Tue, Sep 2, priced at $644 found 5 days ago
British Airways
Sun, Aug 3 - Tue, Aug 19
ORD
Chicago
BHD
Belfast
$645 Roundtrip, found 6 days ago
$645
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Aug 3 from Chicago to Belfast, returning Tue, Aug 19, priced at $645 found 6 days ago
American Airlines
Wed, Aug 13 - Mon, Aug 18
ORD
Chicago
BHD
Belfast
$646 Roundtrip, found 22 hours ago
$646
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Chicago to Belfast, returning Mon, Aug 18, priced at $646 found 22 hours ago
Delta
Tue, Sep 23 - Mon, Sep 29
ORD
Chicago
BHD
Belfast
$710 Roundtrip, found 11 hours ago
$710
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 23 from Chicago to Belfast, returning Mon, Sep 29, priced at $710 found 11 hours ago
Virgin Atlantic
Mon, Sep 8 - Mon, Sep 15
ORD
Chicago
BHD
Belfast
$710 Roundtrip, found 7 hours ago
$710
Roundtrip
found 7 hours ago
Select Virgin Atlantic flight, departing Mon, Sep 8 from Chicago to Belfast, returning Mon, Sep 15, priced at $710 found 7 hours ago
KLM
Tue, Sep 23 - Mon, Sep 29
ORD
Chicago
BHD
Belfast
$762 Roundtrip, found 11 hours ago
$762
Roundtrip
found 11 hours ago
Select KLM flight, departing Tue, Sep 23 from Chicago to Belfast, returning Mon, Sep 29, priced at $762 found 11 hours ago

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

October is typically the cheapest month to fly

From $574 - $1,260 per traveler.

Graph displaying average flight prices per month

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 $993
BHD
George Best Belfast City
CheapestClosest
Average driving time to city center6 min
Flights from $993
Flights from Chicago (ORD) to Belfast (BHD)
Origin airport
O'Hare Intl.
Destination airport
George Best Belfast City
Roundtrip price
$633
Distance
3646 mi

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Belfast Intl. Airport (BFS) cost?
Discover the latest flight deals from ORD to BFS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ORD to BFS?
The cheapest flights from ORD to BFS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to BFS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ORD to BFS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.