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$713+ Cheap flights from Northern Ireland to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
Nov 18 — Nov 251
Mon 11/18
Mon 11/25
1 adult, Economy
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Cheap flight deals from Northern Ireland to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Northern Ireland (GBNIR) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2024.

Find flight deals from Northern Ireland to Illinois

Cheapest flights from Northern Ireland to Illinois
Explore the most affordable flight options available from Northern Ireland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2024.

This Air France deal was found by Cheapflights users on 11/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:30 amBHD - ORD
2 stops16h 05mMultiple Airlines
Wed 12/114:25 pmORD - BHD
1 stop18h 25mMultiple Airlines
Deal found 11/13$820
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/76:30 amBHD - ORD
2 stops19h 35mAmerican Airlines
Wed 12/115:09 pmORD - BHD
2 stops15h 06mAmerican Airlines
Deal found 11/13$852
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:00 amBFS - ORD
2 stops32h 24mMultiple Airlines
Wed 12/115:00 pmORD - BFS
1 stop13h 50mMultiple Airlines
Deal found 11/13$965
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:30 pmBHD - ORD
1 stop25h 15mBritish Airways
Sat 12/288:55 pmORD - BHD
2 stops37h 55mBritish Airways
Deal found 11/12$1,103
This Expedia deal was found by Cheapflights users on 11/12. 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.
Mon 12/237:10 amBHD - ORD
2 stops16h 45mAer Lingus
Sat 12/287:40 pmORD - BHD
2 stops11h 55mAer Lingus
Deal found 11/12$1,150

Find flights from Northern Ireland to Illinois within your budget

Customize your flight search to find flights from Northern Ireland to Illinois 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 2,744,491 searches. Data last updated November 13, 2024.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 2/27

5:20 pm-2:30 pm

1 stop27h 10m

Chicago O'Hare Intl

Sun 3/9

5:25 pm-4:50 pm

1 stop18h 25m

$713

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 2/27

5:20 pm-2:30 pm

1 stop27h 10m

Chicago O'Hare Intl

Sun 3/9

5:25 pm-9:00 pm

1 stop22h 35m

$764

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 2/27

6:30 am-8:43 pm

2 stops20h 13m

Chicago O'Hare Intl

Sun 3/9

12:30 pm-4:50 pm

2 stops23h 20m

$769

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/7

6:30 am-8:05 pm

2 stops19h 35m

Chicago O'Hare Intl

Wed 12/11

5:09 pm-2:15 pm

2 stops15h 06m

$852

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 12/7

6:00 am-8:24 am

2 stops32h 24m

Chicago O'Hare Intl

Wed 12/11

5:00 pm-12:50 pm

1 stop13h 50m

$965

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 12/23

7:30 pm-2:45 pm

1 stop25h 15m

Chicago O'Hare Intl

Sat 12/28

8:55 pm-4:50 pm

2 stops37h 55m

$1,103

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/9

6:50 am-7:15 pm

2 stops18h 25m

Chicago O'Hare Intl

Thu 6/12

8:55 pm-5:40 pm

2 stops14h 45m

$1,114

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 2/15

6:30 am-1:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Tue 2/18

10:05 pm-4:45 pm

1 stop12h 40m

$4,665

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 2/16

6:30 am-2:30 pm

1 stop14h 00m

Chicago O'Hare Intl

Wed 2/19

4:25 pm-9:00 pm

1 stop22h 35m

$4,912

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Best time to book a flight from Northern Ireland to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 13, 2024.
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,789 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,346 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,302 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.6
Good
663 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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 Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Northern Ireland to Illinois (average of $232). Flying from Northern Ireland to Illinois in June is currently the most expensive (average of $308). 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

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Alternative routes for Northern Ireland to Illinois

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