In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from ORD to BFS?

When flying from Chicago O'Hare Intl Airport to Belfast Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from O'Hare Intl to Belfast Intl that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Belfast Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast Intl.

Can I find deals for business class flights from O'Hare Intl to Belfast Intl?

Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£176+ Flights from Chicago O'Hare Intl Airport to Belfast Intl Airport

Cheap flight deals from O'Hare Intl to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Belfast Intl
Explore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Thu 4/1218:50ORD - BFS

2 stops21h 30mMultiple Airlines

Wed 10/1207:55BFS - ORD

2 stops16h 30mMultiple Airlines

Deal found 3/12£606

Best flights from O'Hare Intl to Belfast Intl
Discover carefully curated flight deals from O'Hare Intl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.

Mon 26/112:44ORD - BFS

2 stops25h 26mMultiple Airlines

Fri 30/120:20BFS - ORD

3 stops27h 00mMultiple Airlines

Deal found 4/12£459

Sat 17/118:30ORD - BFS

2 stops22h 10mMultiple Airlines

Sat 24/106:00BFS - ORD

2 stops17h 20mMultiple Airlines

Deal found 3/12£474

Last-minute flights from O'Hare Intl to Belfast Intl
Discover last-minute flight deals from O'Hare Intl to Belfast Intl. Data last updated 5 December 2025 and is based on user searches.

Thu 4/1218:50ORD - BFS

2 stops21h 30mMultiple Airlines

Wed 10/1207:55BFS - ORD

2 stops16h 30mMultiple Airlines

Deal found 3/12£606

Sat 17/118:30ORD - BFS

2 stops22h 10mMultiple Airlines

Sat 24/106:00BFS - ORD

2 stops17h 20mMultiple Airlines

Deal found 3/12£474

Mon 26/112:44ORD - BFS

2 stops25h 26mMultiple Airlines

Fri 30/120:20BFS - ORD

3 stops27h 00mMultiple Airlines

Deal found 4/12£459

One-way flights from O'Hare Intl to Belfast Intl
Search for one-way flight options from O'Hare Intl to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 5 December 2025.

Sat 14/218:30ORD - BFS

2 stops21h 10mMultiple Airlines

Deal found 3/12£176

Wed 11/218:30ORD - BFS

2 stops15h 40mMultiple Airlines

Deal found 3/12£195

Thu 12/218:30ORD - BFS

2 stops31h 55mMultiple Airlines

Deal found 3/12£196

Mon 16/218:30ORD - BFS

2 stops19h 45mMultiple Airlines

Deal found 3/12£199

Sun 15/218:30ORD - BFS

2 stops18h 25mMultiple Airlines

Deal found 3/12£211

Tue 17/217:53ORD - BFS

3 stops20h 17mMultiple Airlines

Deal found 3/12£253

Fri 13/216:20ORD - BFS

3 stops22h 10mMultiple Airlines

Deal found 3/12£294

Find flight deals from O'Hare Intl to Belfast Intl

Round-trip from	£459
One-way from	£176
Popular in	June
Cheapest in	May
Average price	£522

26/1-30/1
5 total stops
52h 26m total
Chicago to Belfast

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14/2
2 total stops
21h 10m total
Chicago to Belfast

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£44 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).

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Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 26/1

12:44-20:10

2 stops25h 26m

Belfast Intl

Fri 30/1

20:20-17:20

3 stops27h 00m

£459

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 17/1

18:30-22:40

2 stops22h 10m

Belfast Intl

Sat 24/1

06:00-17:20

2 stops17h 20m

£474

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 14/2

18:30-21:40

2 stops21h 10m

£176

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 11/2

18:30-16:10

2 stops15h 40m

£195

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 12/2

18:30-08:25

2 stops31h 55m

£196

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 13/2

18:30-22:00

2 stops21h 30m

£196

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 16/2

18:30-20:15

2 stops19h 45m

£199

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 15/2

18:30-18:55

2 stops18h 25m

£211

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 17/2

17:53-20:10

3 stops20h 17m

£253

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Best time to book a flight from O'Hare Intl to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from O'Hare Intl with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from O'Hare Intl to Belfast Intl that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast Intl.
Can I find deals for business class flights from O'Hare Intl to Belfast Intl?
Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from O'Hare Intl.

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Cheap flights from Chicago O'Hare Intl Airport to Belfast Intl Airport from £176

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Belfast Intl

Cheapest flights from O'Hare Intl to Belfast IntlExplore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Explore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Find flight deals from O'Hare Intl to Belfast Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast Intl Airport that are best for you.

Best time to book a flight from O'Hare Intl to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from O'Hare Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from O'Hare Intl to Belfast Intl that include hotel bookings?

How can I find direct flights from O'Hare Intl to Belfast Intl?

Can I find deals for business class flights from O'Hare Intl to Belfast Intl?

Travelling to a place near Belfast Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.

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How does Cheapflights help users find flights from O'Hare Intl to Belfast Intl?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Belfast Intl?

Can Cheapflights find flights from O'Hare Intl to Belfast Intl with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Belfast Intl become cheaper?

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Cheapest flights from O'Hare Intl to Belfast Intl
Explore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.