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.

£315 Cheap Flights from Chicago O'Hare Intl Airport to Belfast Intl Airport in 2026

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:25 - 18:50

ORD

BFS

17h 25m

2 stops

05:55 - 18:15

BFS

ORD

18h 20m

2 stops

£625Multiple Airlines

Mon, 27 Apr - Wed, 6 May

19:25 - 21:30

ORD

BFS

20h 05m

2 stops

08:15 - 09:36

BFS

ORD

31h 21m

3 stops

£630Multiple Airlines

Sun, 26 Apr - Wed, 29 Apr

19:25 - 22:35

ORD

BFS

21h 10m

3 stops

06:10 - 09:36

BFS

ORD

33h 26m

3 stops

£659Multiple Airlines

Sun, 26 Apr - Wed, 29 Apr

15:45 - 22:20

ORD

BFS

24h 35m

2 stops

06:00 - 11:50

BFS

ORD

35h 50m

2 stops

£672Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

15:45 - 22:20

ORD

BFS

24h 35m

2 stops

07:30 - 12:40

BFS

ORD

35h 10m

3 stops

£672Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

11:05 - 15:55

ORD

BFS

22h 50m

3 stops

20:15 - 18:15

BFS

ORD

28h 00m

3 stops

£677Multiple Airlines

Wed, 27 May - Wed, 3 Jun

19:05 - 22:20

ORD

BFS

21h 15m

2 stops

07:30 - 12:40

BFS

ORD

35h 10m

3 stops

£692Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

09:55 - 16:20

ORD

BFS

24h 25m

2 stops

20:10 - 16:59

BFS

ORD

26h 49m

3 stops

£703Multiple Airlines

Tue, 2 Jun - Tue, 16 Jun

19:05 - 22:20

ORD

BFS

21h 15m

2 stops

17:45 - 12:40

BFS

ORD

24h 55m

2 stops

£707Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

19:25 - 20:40

ORD

BFS

19h 15m

2 stops

20:15 - 09:40

BFS

ORD

43h 25m

3 stops

£728Multiple Airlines

Mon, 27 Apr - Wed, 6 May

momondo 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

Cheapest return flight

Fastest return journey

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 27/4

19:25-18:50

2 stops17h 25m

Belfast Intl

Wed 6/5

05:55-18:15

2 stops18h 20m

£625

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 26/4

19:25-21:30

2 stops20h 05m

Belfast Intl

Wed 29/4

08:15-09:36

3 stops31h 21m

£630

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 26/4

19:25-22:35

3 stops21h 10m

Belfast Intl

Wed 29/4

06:10-09:36

3 stops33h 26m

£659

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 12/8

15:45-22:20

2 stops24h 35m

Belfast Intl

Wed 26/8

06:00-11:50

2 stops35h 50m

£672

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 12/8

15:45-22:20

2 stops24h 35m

Belfast Intl

Wed 26/8

07:30-12:40

3 stops35h 10m

£672

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 27/5

11:05-15:55

3 stops22h 50m

Belfast Intl

Wed 3/6

20:15-18:15

3 stops28h 00m

£677

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 19/8

19:05-22:20

2 stops21h 15m

Belfast Intl

Wed 26/8

07:30-12:40

3 stops35h 10m

£692

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 2/6

09:55-16:20

2 stops24h 25m

Belfast Intl

Tue 16/6

20:10-16:59

3 stops26h 49m

£703

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 19/8

19:05-22:20

2 stops21h 15m

Belfast Intl

Wed 26/8

17:45-12:40

2 stops24h 55m

£707

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 27/4

19:25-20:40

2 stops19h 15m

Belfast Intl

Wed 6/5

20:15-09:40

3 stops43h 25m

£728

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted 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

Fastest flight time	16h 25m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Belfast Intl Airport takes 16h 25m

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 16h 25m 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.

Ballymena

Newry

Armagh

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.