When did momondo last update prices for flights from Belfast to Chicago O'Hare Intl Airport?

Prices for flights from Belfast to Chicago O'Hare Intl Airport are updated daily.

How old do you have to be to fly from Belfast 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 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.

$371 Cheap Flights from Belfast to Chicago O'Hare Intl Airport in 2026

Find the cheapest flights from Belfast to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 9:00 amBFS Belfast Intl-ORD Chicago O'Hare Intl

32h 50m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:25 pm - 9:10 pmORD Chicago O'Hare Intl-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

$825Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

1:50 pm - 4:10 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

32h 20m2 stops Manchester Kastrup Copenhagen

7:15 pm - 10:20 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 05m2 stops Kastrup Copenhagen Manchester

$837Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

8:55 pm - 8:41 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

2:15 pm - 8:40 pmORD Chicago O'Hare Intl-BFS Belfast Intl

24h 25m2 stops Toronto Pearson Intl Edinburgh Turnhouse

$843Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

7:30 am - 7:15 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

17h 45m2 stops Manchester Dublin

3:45 pm - 9:05 pmORD Chicago O'Hare Intl-BFS Belfast Intl

23h 20m2 stops Dublin Manchester

$853Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

8:55 pm - 8:41 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

11:05 am - 8:40 pmORD Chicago O'Hare Intl-BFS Belfast Intl

27h 35m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Edinburgh Turnhouse

$858Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

9:10 pm - 7:48 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

28h 38m2 stops London Gatwick Toronto Pearson Intl

10:25 pm - 9:50 pmORD Chicago O'Hare Intl-BFS Belfast Intl

17h 25m2 stops Reykjavik Keflavik Intl Glasgow Intl

$862Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

6:10 am - 7:48 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

19h 38m2 stops London Gatwick Toronto Pearson Intl

9:55 am - 5:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

26h 00m3 stops Toronto Pearson Intl Madrid Barajas London Stansted

$867Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

6:10 am - 8:12 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

20h 02m3 stops London Gatwick Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

7:25 pm - 8:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

$877Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

8:55 pm - 8:41 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

7:25 pm - 4:15 pmORD Chicago O'Hare Intl-BFS Belfast Intl

14h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl

$891Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

6:05 am - 1:21 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

37h 16m3 stops London Gatwick Ottawa Toronto Island

10:25 pm - 9:00 pmORD Chicago O'Hare Intl-BFS Belfast Intl

16h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester

$897Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

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British Airways flights from Belfast to Chicago O'Hare Intl Airport

Our best British Airways deals on Belfast to Chicago O'Hare Intl Airport flight tickets

British Airways

Dec 2

BHD6:35 amBelfast City

18h 10m

1 stop

ORD6:45 pmChicago O'Hare Intl

Dec 6

ORD5:10 pmChicago O'Hare Intl

11h 35m

1 stop

BHD10:45 amBelfast City

$1,021

British Airways

Dec 2

BHD9:15 amBelfast City

12h 15m

1 stop

ORD3:30 pmChicago O'Hare Intl

Dec 6

ORD2:31 pmChicago O'Hare Intl

17h 19m

2 stops

BHD1:50 pmBelfast City

$1,022

British Airways

Dec 2

BHD6:35 amBelfast City

17h 03m

2 stops

ORD5:38 pmChicago O'Hare Intl

Dec 6

ORD1:22 pmChicago O'Hare Intl

15h 23m

2 stops

BHD10:45 amBelfast City

$1,026

Virgin Atlantic flights from Belfast to Chicago O'Hare Intl Airport

Our best Virgin Atlantic deals on Belfast to Chicago O'Hare Intl Airport flight tickets

Virgin Atlantic

Sep 2

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

Sep 30

ORD4:50 pmChicago O'Hare Intl

18h 05m

1 stop

BHD4:55 pmBelfast City

$6,739

Virgin Atlantic

Sep 2

BHD5:30 pmBelfast City

27h 29m

2 stops

ORD2:59 pmChicago O'Hare Intl

Sep 30

ORD4:50 pmChicago O'Hare Intl

10h 30m

1 stop

BHD9:20 amBelfast City

$6,740

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 9/23

6:10 am-9:00 am

3 stops32h 50m

Chicago O'Hare Intl

Wed 9/30

10:25 pm-9:10 pm

2 stops16h 45m

$825

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 9/23

1:50 pm-4:10 pm

2 stops32h 20m

Chicago O'Hare Intl

Wed 9/30

7:15 pm-10:20 pm

2 stops21h 05m

$837

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 9/7

8:55 pm-8:41 pm

3 stops29h 46m

Chicago O'Hare Intl

Mon 9/14

2:15 pm-8:40 pm

2 stops24h 25m

$843

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 9/23

7:30 am-7:15 pm

2 stops17h 45m

Chicago O'Hare Intl

Wed 9/30

3:45 pm-9:05 pm

2 stops23h 20m

$853

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 9/7

8:55 pm-8:41 pm

3 stops29h 46m

Chicago O'Hare Intl

Mon 9/14

11:05 am-8:40 pm

3 stops27h 35m

$858

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 9/25

9:10 pm-7:48 pm

2 stops28h 38m

Chicago O'Hare Intl

Fri 10/2

10:25 pm-9:50 pm

2 stops17h 25m

$862

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 9/23

6:10 am-7:48 pm

2 stops19h 38m

Chicago O'Hare Intl

Wed 9/30

9:55 am-5:55 pm

3 stops26h 00m

$867

Quickest round-trip

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 9/21

6:10 am-8:12 pm

3 stops20h 02m

Chicago O'Hare Intl

Mon 9/28

7:25 pm-8:55 pm

2 stops19h 30m

$877

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 9/7

8:55 pm-8:41 pm

3 stops29h 46m

Chicago O'Hare Intl

Mon 9/14

7:25 pm-4:15 pm

2 stops14h 50m

$891

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 9/25

6:05 am-1:21 pm

3 stops37h 16m

Chicago O'Hare Intl

Fri 10/2

10:25 pm-9:00 pm

3 stops16h 35m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Chicago O'Hare Intl?

British Airways is the most popular carrier operating from Belfast to Chicago O'Hare Intl

Cheap Belfast to Chicago O'Hare Intl Airport flight deals and tips

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

Fastest flight time	18h 10m
Direct flights	None

The fastest flight from Belfast to Chicago O'Hare Intl Airport takes 18h 10m

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

Search flight deals

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

How far is Belfast to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 3642.0 mi away from Belfast. By plane, this route typically takes 18h 10m.
When did momondo last update prices for flights from Belfast to Chicago O'Hare Intl Airport?
Prices for flights from Belfast to Chicago O'Hare Intl Airport are updated daily.
How old do you have to be to fly from Belfast 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 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.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Belfast.

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

momondo does allow users to show only those flights to Chicago from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Chicago from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Belfast to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.