What are the cheapest airlines to fly from Chicago to Northern Ireland one-way?

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £339. However, be on the lookout for offers from KLM and Finnair, as they are both options that can get you from Chicago to Northern Ireland for a low price.

What is the cheapest month to book a flight from Chicago to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of £67). Flying from Chicago to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What are the most popular routes from Chicago to Northern Ireland?

The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast Intl.

What is the cheapest month to fly from Chicago to Northern Ireland?

The best pricing can be found in the month of December. Prices to Northern Ireland from Chicago average £686. You can even find prices in December for less than £686, as users have found deals to Northern Ireland from as low as £472. The month of June appears to be one of the more expensive times to travel to Northern Ireland from Chicago. Flying in the targeted month can save you up to 41%.

What is the cheapest time of day to fly from CHI to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Northern Ireland as you normally would.

Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Chicago to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.

Can I find deals for business class flights from Chicago to Northern Ireland?

Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£224+ Flights from Chicago to Northern Ireland

Cheap flight deals from Chicago to Northern Ireland

Round-trip from	£521
One-way from	£224

Iberia
3/3-10/3
3 total stops
46h 50m total
Chicago to Northern Ireland

Search Deals

14/2
2 total stops
32h 13m total
Chicago to Northern Ireland

Search Deals

Find flight deals from Chicago to Northern Ireland

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 1月 2025.

週三 8/1020:35ORD - BHD

1 stop13h 00mMultiple Airlines

週二 14/1020:20BHD - ORD

1 stop21h 30mMultiple Airlines

Deal found 16/1£499

週三 8/1011:45ORD - BHD

2 stops19h 45mBritish Airways

週二 14/1006:35BHD - ORD

1 stop17h 40mBritish Airways

Deal found 16/1£511

週一 3/317:00ORD - BHD

1 stop11h 30mIberia

週一 10/309:10BHD - ORD

2 stops35h 20mIberia

Deal found 17/1£521

週四 20/220:25ORD - BHD

1 stop14h 15mFinnair

週二 25/206:35BHD - ORD

1 stop14h 10mFinnair

Deal found 17/1£537

週日 2/319:40ORD - BFS

2 stops20h 20mMultiple Airlines

週日 9/321:55BFS - ORD

2 stops25h 55mMultiple Airlines

Deal found 17/1£545

週四 20/220:25ORD - BHD

1 stop14h 15mAmerican Airlines

週二 25/208:40BHD - ORD

2 stops16h 40mAmerican Airlines

Deal found 17/1£550

週一 3/312:44MDW - BHD

2 stops22h 06mDelta

週一 10/306:30BHD - MDW

2 stops16h 32mDelta

Deal found 17/1£587

週五 17/113:40ORD - BHD

2 stops21h 10mDelta

週五 24/106:30BHD - ORD

2 stops20h 58mDelta

Deal found 16/1£618

週三 8/1018:50MDW - BHD

2 stops16h 05mKLM

週二 14/1006:30BHD - MDW

2 stops16h 31mKLM

Deal found 16/1£830

週二 11/221:00ORD - BHD

2 stops18h 10mAer Lingus

週六 15/206:55BHD - ORD

2 stops18h 20mAer Lingus

Deal found 16/1£900

週日 2/311:15MDW - BFS

3 stops28h 45mMultiple Airlines

週日 9/321:10BFS - MDW

3 stops42h 10mMultiple Airlines

Deal found 16/1£1,148

Best flights from Chicago to Northern Ireland
Discover carefully curated flight deals from Chicago to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 1月 2025.

週一 3/317:00ORD - BHD

1 stop11h 30mIberia

週一 10/309:10BHD - ORD

2 stops35h 20mIberia

Deal found 17/1£521

週四 20/220:25ORD - BHD

1 stop14h 15mFinnair

週二 25/206:35BHD - ORD

1 stop14h 10mFinnair

Deal found 17/1£537

週日 2/319:40ORD - BFS

2 stops20h 20mMultiple Airlines

週日 9/321:55BFS - ORD

2 stops25h 55mMultiple Airlines

Deal found 17/1£545

週四 20/220:25ORD - BHD

1 stop14h 15mAmerican Airlines

週二 25/208:40BHD - ORD

2 stops16h 40mAmerican Airlines

Deal found 17/1£550

週四 20/217:36ORD - BHD

2 stops17h 04mBritish Airways

週二 25/208:40BHD - ORD

2 stops17h 05mBritish Airways

Deal found 17/1£557

週一 3/312:44MDW - BHD

2 stops22h 06mDelta

週一 10/306:30BHD - MDW

2 stops16h 32mDelta

Deal found 17/1£587

週二 11/221:00ORD - BHD

2 stops18h 10mAer Lingus

週六 15/206:55BHD - ORD

2 stops18h 20mAer Lingus

Deal found 16/1£900

週五 7/320:11ORD - BHD

1 stop15h 04mMultiple Airlines

週二 11/311:30BHD - ORD

1 stop13h 15mMultiple Airlines

Deal found 16/1£648

週日 2/311:15MDW - BFS

3 stops28h 45mMultiple Airlines

週日 9/321:10BFS - MDW

3 stops42h 10mMultiple Airlines

Deal found 16/1£1,148

Last-minute flights from Chicago to Northern Ireland
Discover last-minute flight deals from Chicago to Northern Ireland. Data last updated 17 1月 2025 and is based on user searches.

週五 17/113:40ORD - BHD

2 stops21h 10mDelta

週五 24/106:30BHD - ORD

2 stops20h 58mDelta

Deal found 16/1£618

週二 11/221:00ORD - BHD

2 stops18h 10mAer Lingus

週六 15/206:55BHD - ORD

2 stops18h 20mAer Lingus

Deal found 16/1£900

週二 11/217:00ORD - BHD

1 stop11h 30mMultiple Airlines

週六 15/215:05BHD - ORD

2 stops30h 25mMultiple Airlines

Deal found 16/1£980

週三 19/215:35ORD - BFS

2 stops24h 30mMultiple Airlines

週一 24/217:30BFS - ORD

2 stops28h 45mMultiple Airlines

Deal found 17/1£608

週四 20/220:25ORD - BHD

1 stop14h 15mFinnair

週二 25/206:35BHD - ORD

1 stop14h 10mFinnair

Deal found 17/1£537

週四 20/220:25ORD - BHD

1 stop14h 15mAmerican Airlines

週二 25/208:40BHD - ORD

2 stops16h 40mAmerican Airlines

Deal found 17/1£550

週四 20/217:36ORD - BHD

2 stops17h 04mBritish Airways

週二 25/208:40BHD - ORD

2 stops17h 05mBritish Airways

Deal found 17/1£557

One-way flights from Chicago to Northern Ireland
Search for one-way flight options from Chicago to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 17 1月 2025.

週五 14/207:07ORD - BFS

2 stops32h 13mMultiple Airlines

Deal found 16/1£224

週一 10/211:33MDW - BFS

2 stops38h 22mMultiple Airlines

Deal found 16/1£227

週一 10/212:25ORD - BHD

2 stops39h 10mMultiple Airlines

Deal found 16/1£239

週一 10/211:33MDW - BHD

2 stops40h 02mMultiple Airlines

Deal found 16/1£239

週一 10/217:00ORD - BHD

1 stop11h 30mBritish Airways

Deal found 16/1£339

週二 11/217:07MDW - BHD

2 stops17h 43mKLM

Deal found 16/1£349

週四 13/220:25ORD - BHD

1 stop14h 15mFinnair

Deal found 16/1£367

週五 11/715:45ORD - BHD

2 stops15h 05mAer Lingus

Deal found 16/1£440

週三 12/210:57MDW - BHD

2 stops23h 53mDelta

Deal found 16/1£470

週五 14/217:20ORD - BHD

2 stops17h 30mAir France

Deal found 16/1£588

Find flights from Chicago to Northern Ireland within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週一 3/3

17:00-10:30

1 stop11h 30m

Belfast City

週一 10/3

09:10-15:30

2 stops35h 20m

£521

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週四 20/2

20:25-16:40

1 stop14h 15m

Belfast City

週二 25/2

06:35-14:45

1 stop14h 10m

£537

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

週日 2/3

19:40-22:00

2 stops20h 20m

Belfast Intl

週日 9/3

21:55-18:50

2 stops25h 55m

£545

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週四 20/2

20:25-16:40

1 stop14h 15m

Belfast City

週二 25/2

08:40-19:20

2 stops16h 40m

£550

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週四 20/2

17:36-16:40

2 stops17h 04m

Belfast City

週二 25/2

08:40-19:45

2 stops17h 05m

£557

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

週一 3/3

12:44-16:50

2 stops22h 06m

Belfast City

週一 10/3

06:30-18:02

2 stops16h 32m

£587

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週五 7/3

20:11-17:15

1 stop15h 04m

Belfast City

週二 11/3

11:30-19:45

1 stop13h 15m

£648

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

週二 11/2

21:00-21:10

2 stops18h 10m

Belfast City

週六 15/2

06:55-19:15

2 stops18h 20m

£900

ChicagoBelfast

MDW - BFS

MDWBFS

Chicago Midway

週日 2/3

11:15-22:00

3 stops28h 45m

Belfast Intl

週日 9/3

21:10-10:20

3 stops42h 10m

£1,148

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

週五 14/2

07:07-21:20

2 stops32h 13m

£224

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 19 results

Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Chicago to Northern Ireland

Get recent, data-driven insights about flights from Chicago to Northern Ireland including ideal travel times, pricing trends, and more.

Rainfall in Northern Ireland by month

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,513 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,339 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,285 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,487 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Chicago to Northern Ireland one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £339. However, be on the lookout for offers from KLM and Finnair, as they are both options that can get you from Chicago to Northern Ireland for a low price.
What are the most popular routes from Chicago to Northern Ireland?
The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast Intl.
Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chicago to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.
Can I find deals for business class flights from Chicago to Northern Ireland?
Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of £67). Flying from Chicago to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Chicago to Northern Ireland

O'Hare Intl to Heathrow flights

O'Hare Intl to Gatwick flights

O'Hare Intl to London City flights

Midway to Heathrow flights

O'Hare Intl to Stansted flights

O'Hare Intl to Luton flights

O'Hare Intl to Edinburgh flights

St. Louis to Heathrow flights

St. Louis to Gatwick flights

O'Hare Intl to Glasgow Intl flights

O'Hare Intl to Manchester flights

Midway to Manchester flights

St. Louis to Edinburgh flights

O'Hare Intl to Inverness flights

O'Hare Intl to Birmingham flights

St. Louis to Manchester flights

O'Hare Intl to Leeds flights

O'Hare Intl to Newcastle upon Tyne flights

O'Hare Intl to Aberdeen flights

Midway to Birmingham flights

St. Louis to Glasgow Intl flights

O'Hare Intl to Liverpool flights

O'Hare Intl to Bristol flights

St. Louis to Stansted flights

O'Hare Intl to Belfast Intl flights

Evansville to Heathrow flights

Midway to Leeds flights

O'Hare Intl to Cardiff flights

St. Louis to Inverness flights

St. Louis to Birmingham flights

Direct flights to United Kingdom

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How does Cheapflights help users find flights from Chicago to Northern Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Northern Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Chicago.

Can Cheapflights find flights from Chicago to Northern Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chicago to Northern Ireland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Chicago to Northern Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Chicago to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Chicago to Northern Ireland from £224

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chicago to Northern Ireland

Round-trip from

One-way from

Find flight deals from Chicago to Northern Ireland

Cheapest flights from Chicago to Northern IrelandExplore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 1月 2025.

Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 1月 2025.

Find flights from Chicago to Northern Ireland within your budget

Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago with our price prediction graph.

Travel insights for flights from Chicago to Northern Ireland

Get recent, data-driven insights about flights from Chicago to Northern Ireland including ideal travel times, pricing trends, and more.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Northern Ireland

Related info for your journey

Find useful and relevant information for your journey from Chicago to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Chicago to Northern Ireland one-way?

What are the most popular routes from Chicago to Northern Ireland?

Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

How can I find direct flights from Chicago to Northern Ireland?

Can I find deals for business class flights from Chicago to Northern Ireland?

What is the cheapest month to book a flight from Chicago to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Chicago to Northern Ireland?

Can Cheapflights find flights from Chicago to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Chicago to Northern Ireland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 1月 2025.