How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport?

Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Belfast Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£590 Cheap Flights from Chicago O'Hare Intl Airport to Belfast Intl Airport in 2026

Find the cheapest flights from Chicago O'Hare Intl Airport to Belfast

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:25 - 19:50ORD Chicago O'Hare Intl-BFS Belfast Intl

42h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse

12:45 - 19:15BFS Belfast Intl-ORD Chicago O'Hare Intl

36h 30m3 stops Nottingham East Midlands Malaga Dublin

£590Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

19:30 - 20:10ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 40m2 stops Reykjavik Keflavik Intl London Gatwick

20:40 - 17:20BFS Belfast Intl-ORD Chicago O'Hare Intl

26h 40m3 stops London Stansted Gdansk Rebiechowo Reykjavik Keflavik Intl

£594Multiple Airlines

Tue, 27 Oct - Sun, 8 Nov

19:30 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m3 stops Reykjavik Keflavik Intl Paris Charles de Gaulle Manchester

20:40 - 17:20BFS Belfast Intl-ORD Chicago O'Hare Intl

26h 40m3 stops London Stansted Gdansk Rebiechowo Reykjavik Keflavik Intl

£598Multiple Airlines

Tue, 27 Oct - Sun, 8 Nov

22:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

07:35 - 21:25BFS Belfast Intl-ORD Chicago O'Hare Intl

19h 50m2 stops Glasgow Intl Reykjavik Keflavik Intl

£620Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

22:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

07:35 - 21:25BFS Belfast Intl-ORD Chicago O'Hare Intl

19h 50m2 stops Glasgow Intl Reykjavik Keflavik Intl

£622Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

19:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

06:10 - 20:41BFS Belfast Intl-ORD Chicago O'Hare Intl

20h 31m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island

£629Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

18:30 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

20:05 - 16:45BFS Belfast Intl-ORD Chicago O'Hare Intl

26h 40m2 stops Krakow J. Paul II Balice Kastrup Copenhagen

£639Multiple Airlines

Tue, 19 Jan - Sun, 24 Jan

22:25 - 23:10ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 45m3 stops Reykjavik Keflavik Intl Glasgow Intl London Stansted

06:15 - 19:15BFS Belfast Intl-ORD Chicago O'Hare Intl

19h 00m2 stops Paris Charles de Gaulle Dublin

£645Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

19:25 - 19:40ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

13h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl

£649Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:15 - 22:45ORD Chicago O'Hare Intl-BFS Belfast Intl

21h 30m2 stops Kastrup Copenhagen Edinburgh Turnhouse

11:55 - 16:10BFS Belfast Intl-ORD Chicago O'Hare Intl

34h 15m2 stops Edinburgh Turnhouse Kastrup Copenhagen

£650Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

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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

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 5/10

19:25-19:50

3 stops42h 25m

Belfast Intl

Mon 12/10

12:45-19:15

3 stops36h 30m

£590

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 27/10

19:30-20:10

2 stops19h 40m

Belfast Intl

Sun 8/11

20:40-17:20

3 stops26h 40m

£594

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 27/10

19:30-20:55

3 stops20h 25m

Belfast Intl

Sun 8/11

20:40-17:20

3 stops26h 40m

£598

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 7/10

22:25-21:10

2 stops16h 45m

Belfast Intl

Wed 14/10

07:35-21:25

2 stops19h 50m

£620

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 7/10

22:25-21:10

2 stops16h 45m

Belfast Intl

Wed 14/10

07:35-21:25

2 stops19h 50m

£622

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 7/10

19:25-21:10

2 stops19h 45m

Belfast Intl

Wed 14/10

06:10-20:41

3 stops20h 31m

£629

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 19/1

18:30-20:55

2 stops20h 25m

Belfast Intl

Sun 24/1

20:05-16:45

2 stops26h 40m

£639

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 7/10

22:25-23:10

3 stops18h 45m

Belfast Intl

Wed 14/10

06:15-19:15

2 stops19h 00m

£644

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£649

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:15-22:45

2 stops21h 30m

Belfast Intl

Tue 13/10

11:55-16:10

2 stops34h 15m

£650

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Chicago O'Hare Intl Airport to Belfast Intl Airport (ORD to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Belfast Intl Airport

Best price found	£590
Fastest flight time	11h 35m
Direct flights	None

The best flight deal from Chicago O'Hare Intl Airport to Belfast Intl Airport found on momondo in the last 72 hours is £590

The fastest flight from Chicago O'Hare Intl Airport to Belfast Intl Airport takes 11h 35m

There are no direct flights from Chicago O'Hare Intl Airport to Belfast Intl Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Belfast Intl Airport.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Belfast Intl Airport

How far is Chicago O'Hare Intl to Belfast Intl by plane?
Chicago O'Hare Intl and Belfast Intl are 3629.9 mi apart from one another. Typically, this will take 11h 35m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Belfast Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Belfast Intl Airport

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport?
Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Chicago O'Hare Intl Airport to Belfast Intl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Cookstown

Portadown

Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Belfast?

It is quick and easy to find Chicago to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Chicago to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Belfast flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Belfast?

Once all potential Chicago to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Belfast right now. Can momondo alert me if prices change?

Price alerts on flights to Belfast from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.