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

Confirm your travel details to search for the latest offers for flights from Belfast Intl Airport to Chicago O'Hare 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 Belfast Intl Airport to Chicago O'Hare 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 Belfast Intl Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£516 Cheap Flights from Belfast Intl Airport to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Belfast Intl Airport to Chicago

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 18:15

BFS

ORD

38h 25m

2 stops

19:25 - 23:10

ORD

BFS

21h 45m

2 stops

£516Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

17:10 - 21:25

BFS

ORD

34h 15m

3 stops

11:05 - 15:15

ORD

BFS

22h 10m

3 stops

£627Multiple Airlines

Tue, 5 May - Tue, 12 May

07:00 - 17:35

BFS

ORD

16h 35m

1 stop

21:15 - 20:15

ORD

BFS

17h 00m

1 stop

£632Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

08:20 - 18:15

BFS

ORD

15h 55m

2 stops

19:25 - 20:55

ORD

BFS

19h 30m

2 stops

£634Multiple Airlines

Tue, 5 May - Tue, 12 May

17:10 - 21:25

BFS

ORD

34h 15m

3 stops

19:25 - 15:15

ORD

BFS

13h 50m

2 stops

£638Multiple Airlines

Tue, 5 May - Tue, 12 May

10:05 - 10:23

BFS

ORD

30h 18m

3 stops

19:25 - 21:55

ORD

BFS

20h 30m

3 stops

£672Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

10:05 - 10:23

BFS

ORD

30h 18m

3 stops

19:25 - 21:00

ORD

BFS

19h 35m

2 stops

£678Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

10:05 - 23:07

BFS

ORD

19h 02m

2 stops

19:25 - 18:50

ORD

BFS

17h 25m

2 stops

£712Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

06:20 - 18:15

BFS

ORD

17h 55m

2 stops

19:25 - 22:40

ORD

BFS

21h 15m

2 stops

£737Multiple Airlines

Sat, 2 May - Sat, 9 May

08:00 - 17:29

BFS

ORD

15h 29m

2 stops

15:57 - 20:40

ORD

BFS

22h 43m

2 stops

£744Multiple Airlines

Mon, 4 May - Mon, 11 May

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 15/4

09:50-18:15

2 stops38h 25m

Chicago O'Hare Intl

Wed 22/4

19:25-23:10

2 stops21h 45m

£516

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

17:10-21:25

3 stops34h 15m

Chicago O'Hare Intl

Tue 12/5

11:05-15:15

3 stops22h 10m

£627

Fastest return journey

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 15/4

07:00-17:35

1 stop16h 35m

Chicago O'Hare Intl

Wed 22/4

21:15-20:15

1 stop17h 00m

£632

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

08:20-18:15

2 stops15h 55m

Chicago O'Hare Intl

Tue 12/5

19:25-20:55

2 stops19h 30m

£634

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

17:10-21:25

3 stops34h 15m

Chicago O'Hare Intl

Tue 12/5

19:25-15:15

2 stops13h 50m

£638

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 19/4

10:05-10:23

3 stops30h 18m

Chicago O'Hare Intl

Sun 26/4

19:25-21:55

3 stops20h 30m

£672

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 19/4

10:05-10:23

3 stops30h 18m

Chicago O'Hare Intl

Sun 26/4

19:25-21:00

2 stops19h 35m

£678

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 19/4

10:05-23:07

2 stops19h 02m

Chicago O'Hare Intl

Sun 26/4

19:25-18:50

2 stops17h 25m

£712

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 2/5

06:20-18:15

2 stops17h 55m

Chicago O'Hare Intl

Sat 9/5

19:25-22:40

2 stops21h 15m

£737

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 4/5

08:00-17:29

2 stops15h 29m

Chicago O'Hare Intl

Mon 11/5

15:57-20:40

2 stops22h 43m

£744

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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

Estimated return price

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

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

Fastest flight time	13h 55m
Direct flights	None

The fastest flight from Belfast Intl Airport to Chicago O'Hare Intl Airport takes 13h 55m

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

Search flight deals

How far is Belfast Intl to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 3629.9 mi away from Belfast Intl. Typically, this will take 13h 55m by plane in normal conditions.
When did momondo last update prices for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport?
Prices for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport refresh daily.
How old do you have to be to fly from Belfast Intl Airport to Chicago O'Hare 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 Belfast Intl Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport?
Confirm your travel details to search for the latest offers for flights from Belfast Intl Airport to Chicago O'Hare 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 Belfast Intl Airport to Chicago O'Hare Intl Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
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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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Chicago . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Belfast to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Belfast to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chicago from Belfast 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.