When did momondo last update prices for flights from Northern Ireland to Chicago?

Prices for flights from Northern Ireland to Chicago are refreshed on a daily basis.

How old do you have to be to fly from Northern Ireland to Chicago?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$380 Cheap Flights from Northern Ireland to Chicago in 2026

Find the cheapest flights from Northern Ireland to Chicago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

35h 20m2 stops Edinburgh Turnhouse Kastrup Copenhagen

7:15 pm - 11:05 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 50m2 stops Kastrup Copenhagen Edinburgh Turnhouse

$817Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

7:40 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 05m1 stop London Heathrow

9:50 pm - 2:15 pmORD Chicago O'Hare Intl-BHD Belfast City

10h 25m1 stop London Heathrow

$844British Airways

Thu, Dec 3 - Mon, Dec 7

8:50 am - 7:41 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 51m2 stops London Heathrow Toronto Pearson Intl

9:50 pm - 5:25 pmORD Chicago O'Hare Intl-BHD Belfast City

13h 35m1 stop London Heathrow

$853British Airways

Thu, Dec 3 - Mon, Dec 7

11:50 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

12h 55m1 stop London Heathrow

1:31 pm - 10:45 amORD Chicago O'Hare Intl-BHD Belfast City

15h 14m2 stops New York John F Kennedy Intl London Heathrow

$854British Airways

Fri, Feb 26 - Sun, Mar 7

9:50 pm - 4:10 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

24h 20m2 stops Manchester Kastrup Copenhagen

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

21h 05m2 stops Kastrup Copenhagen Manchester

$868Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

9:35 am - 3:55 pmBHD Belfast City-ORD Chicago O'Hare Intl

12h 20m1 stop London Heathrow

9:15 pm - 3:20 pmORD Chicago O'Hare Intl-BHD Belfast City

12h 05m1 stop London Heathrow

$871British Airways

Thu, Oct 1 - Tue, Oct 6

6:30 am - 3:55 pmBHD Belfast City-ORD Chicago O'Hare Intl

15h 25m1 stop London Heathrow

4:26 pm - 3:20 pmORD Chicago O'Hare Intl-BHD Belfast City

16h 54m2 stops New York John F Kennedy Intl London Heathrow

$873British Airways

Thu, Oct 1 - Tue, Oct 6

9:55 pm - 7:15 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

27h 20m3 stops Manchester Berlin Brandenburg Dublin

7:25 pm - 11:20 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

$877Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

8:50 am - 7:41 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 51m2 stops London Heathrow Toronto Pearson Intl

3:16 pm - 2:15 pmORD Chicago O'Hare Intl-BHD Belfast City

16h 59m2 stops Boston Logan Intl London Heathrow

$883British Airways

Thu, Dec 3 - Mon, Dec 7

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

19h 38m2 stops London Gatwick Toronto Pearson Intl

7:25 pm - 11:10 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

$884Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

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British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets

British Airways

Dec 3

BHD7:40 amBelfast City

17h 05m

1 stop

ORD6:45 pmChicago O'Hare Intl

Dec 7

ORD9:50 pmChicago O'Hare Intl

10h 25m

1 stop

BHD2:15 pmBelfast City

$844

British Airways

Dec 3

BHD8:50 amBelfast City

16h 51m

2 stops

ORD7:41 pmChicago O'Hare Intl

Dec 7

ORD9:50 pmChicago O'Hare Intl

13h 35m

1 stop

BHD5:25 pmBelfast City

$853

British Airways

Feb 26

BHD11:50 amBelfast City

12h 55m

1 stop

ORD6:45 pmChicago O'Hare Intl

Mar 7

ORD1:31 pmChicago O'Hare Intl

15h 14m

2 stops

BHD10:45 amBelfast City

$854

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets

American Airlines

Sep 10

BHD6:30 amBelfast City

13h 20m

1 stop

ORD1:50 pmChicago O'Hare Intl

Sep 14

ORD10:25 pmChicago O'Hare Intl

14h 20m

1 stop

BHD6:45 pmBelfast City

$866

American Airlines

Sep 10

BHD6:30 amBelfast City

13h 20m

1 stop

ORD1:50 pmChicago O'Hare Intl

Sep 14

ORD10:25 pmChicago O'Hare Intl

14h 20m

1 stop

BHD6:45 pmBelfast City

$867

American Airlines

Sep 10

BHD6:30 amBelfast City

13h 20m

1 stop

ORD1:50 pmChicago O'Hare Intl

Sep 14

ORD10:25 pmChicago O'Hare Intl

14h 20m

1 stop

BHD6:45 pmBelfast City

$869

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Chicago 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

Mon 10/12

10:50 am-4:10 pm

2 stops35h 20m

Chicago O'Hare Intl

Mon 10/19

7:15 pm-11:05 pm

2 stops21h 50m

$817

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 12/3

7:40 am-6:45 pm

1 stop17h 05m

Chicago O'Hare Intl

Mon 12/7

9:50 pm-2:15 pm

1 stop10h 25m

$844

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 12/3

8:50 am-7:41 pm

2 stops16h 51m

Chicago O'Hare Intl

Mon 12/7

9:50 pm-5:25 pm

1 stop13h 35m

$853

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 2/26

11:50 am-6:45 pm

1 stop12h 55m

Chicago O'Hare Intl

Sun 3/7

1:31 pm-10:45 am

2 stops15h 14m

$854

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 10/14

9:50 pm-4:10 pm

2 stops24h 20m

Chicago O'Hare Intl

Wed 10/21

7:15 pm-10:20 pm

2 stops21h 05m

$868

Quickest round-trip

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 10/1

9:35 am-3:55 pm

1 stop12h 20m

Chicago O'Hare Intl

Tue 10/6

9:15 pm-3:20 pm

1 stop12h 05m

$871

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 10/1

6:30 am-3:55 pm

1 stop15h 25m

Chicago O'Hare Intl

Tue 10/6

4:26 pm-3:20 pm

2 stops16h 54m

$873

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 10/12

9:55 pm-7:15 pm

3 stops27h 20m

Chicago O'Hare Intl

Mon 10/19

7:25 pm-11:20 pm

3 stops21h 55m

$877

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 12/3

8:50 am-7:41 pm

2 stops16h 51m

Chicago O'Hare Intl

Mon 12/7

3:16 pm-2:15 pm

2 stops16h 59m

$883

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 10/12

6:10 am-7:48 pm

2 stops19h 38m

Chicago O'Hare Intl

Mon 10/19

7:25 pm-11:10 pm

3 stops21h 45m

$884

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 Northern Ireland to Chicago

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 Northern Ireland to Chicago?

British Airways is the most popular carrier operating from Northern Ireland to Chicago

Cheap Northern Ireland to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago

Best Price Found	$380
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Chicago from Northern Ireland in the past 72 hours is $380. The best round-trip flight deal from Northern Ireland to Chicago found on momondo in the last 72 hours is $817.

The fastest flight from Northern Ireland to Chicago takes 12h 20m

There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.

Search flight deals

Frequently asked questions about flying from Northern Ireland to Chicago

When did momondo last update prices for flights from Northern Ireland to Chicago?
Prices for flights from Northern Ireland to Chicago are refreshed on a daily basis.
How old do you have to be to fly from Northern Ireland to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Merrillville

New Buffalo

Hammond

Portage

Benton Harbor

Lansing

Saint Joseph

Valparaiso

Schererville

Munster

Chesterton

Monticello

Porter

Crown Point

Griffith

Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Chicago for you.

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

Flights from Northern Ireland 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 Northern Ireland to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Northern Ireland.

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

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

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Cheap flights from Northern Ireland to Chicago from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Northern Ireland to Chicago

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Chicago that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Northern Ireland to Chicago

What is the cheapest airline that flies from Northern Ireland to Chicago?

Cheap Northern Ireland to Chicago flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Northern Ireland to Chicago

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

Cabin classes currently available on flights to Chicago

List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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