HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$365+ Cheap flights from Northern Ireland to Chicago (CHI)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — CHI
feb. 27 — mar. 61
jue. 2/27
jue. 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Northern Ireland to Chicago with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Northern Ireland to Chicago

Keep the following information in mind while searching for Northern Ireland to Chicago flight deals. Data was last updated febrero 22, 2025.

Round-trip from

$900
(Mytrip)

One-way from

$365
(Kiwi.com)

Popular in

March

Cheapest in

September
From Northern Ireland to Chicago (CHI)
Search Deals
One-way flight from Northern Ireland to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
Search Deals

Find flight deals from Northern Ireland to Chicago

Cheapest flights from Northern Ireland to Chicago
Explore the most affordable flight options available from Northern Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 22, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/286:30 amBHD - ORD
1 stop14h 00mVirgin Atlantic
mié. 3/54:25 pmORD - BHD
1 stop22h 35mVirgin Atlantic
Deal found 2/21$654
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/286:30 amBHD - ORD
2 stops20h 23mDelta
mié. 3/510:40 amORD - BHD
2 stops24h 10mDelta
Deal found 2/21$660
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/288:40 amBHD - ORD
2 stops17h 28mAmerican Airlines
mié. 3/511:41 amORD - BHD
2 stops16h 24mAmerican Airlines
Deal found 2/21$669
This Expedia deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/277:30 pmBHD - ORD
1 stop24h 25mMultiple Airlines
lun. 11/310:00 pmORD - BHD
1 stop14h 35mMultiple Airlines
Deal found 2/22$727
This TravelUp deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/272:40 pmBHD - ORD
1 stop32h 20mBritish Airways
lun. 11/36:25 pmORD - BHD
1 stop13h 45mBritish Airways
Deal found 2/21$742
This KLM deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:20 pmBHD - ORD
1 stop27h 10mKLM
lun. 11/35:20 pmORD - BHD
2 stops17h 30mKLM
Deal found 2/21$776
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/286:30 amBFS - ORD
2 stops34h 07mMultiple Airlines
mié. 3/55:55 amORD - BFS
3 stops25h 50mMultiple Airlines
Deal found 2/21$781
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/276:40 amBHD - ORD
2 stops42h 35mAer Lingus
dom. 3/94:55 pmORD - BHD
2 stops15h 40mAer Lingus
Deal found 2/21$851
This EaseMyTrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/273:05 pmBHD - ORD
1 stop31h 55mIberia
dom. 3/98:31 pmORD - BHD
2 stops36h 39mIberia
Deal found 2/21$1,209

Find flights from Northern Ireland to Chicago within your budget

Customize your flight search to find flights from Northern Ireland to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 22, 2025.

Fly from

Northern Ireland

Fly to

Chicago

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

lun. 4/7

5:30 pm-7:00 pm

2 stops31h 30m

Chicago O'Hare Intl

lun. 4/14

3:45 pm-3:40 pm

2 stops17h 55m

$900

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

vie. 4/25

10:00 pm-9:46 pm

2 stops29h 46m

$365

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 4/25

4:00 pm-9:46 pm

2 stops35h 46m

$403

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 6/24

9:50 am-7:00 pm

2 stops15h 10m

$713

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 4/25

6:35 am-5:00 pm

1 stop16h 25m

$728

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 6/24

4:25 pm-11:55 am

1 stop25h 30m

$777

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

6:30 am-2:10 pm

1 stop13h 40m

$1,614

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

6:30 am-2:10 pm

1 stop13h 40m

$1,617

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Best time to book a flight from Northern Ireland to Chicago

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

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

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated febrero 22, 2025.
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,332 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,761 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Chicago. 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 Northern Ireland to Chicago one-way?

    The cheapest airlines for a one-way flight from Northern Ireland to Chicago are Aer Lingus ($713), British Airways ($728), and Finnair ($777).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Chicago 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 Northern Ireland to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Northern Ireland to Chicago (average of $245). Flying from Northern Ireland to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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 Northern Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to O'Hare Intl flights
Heathrow to Midway flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Manchester to O'Hare Intl flights
Stansted to O'Hare Intl flights
Luton to O'Hare Intl flights
Heathrow to St. Louis flights
Birmingham to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Gatwick to St. Louis flights
Glasgow Intl to O'Hare Intl flights
Birmingham to Midway flights
Belfast Intl to O'Hare Intl flights
Bristol to O'Hare Intl flights
Liverpool to O'Hare Intl flights
Newcastle upon Tyne to O'Hare Intl flights
Manchester to St. Louis flights
Heathrow to Evansville flights
Belfast City to O'Hare Intl flights
Edinburgh to St. Louis flights
Birmingham to St. Louis flights
Glasgow Intl to St. Louis flights
Leeds to O'Hare Intl flights
Southampton to O'Hare Intl flights
Cardiff to O'Hare Intl flights
Liverpool to St. Louis flights
Gatwick to Evansville flights
Newcastle upon Tyne to St. Louis flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.