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Cheap flights from Northern Ireland to Illinois from £582

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
20 Nov — 27 Nov1
1 adult

Find flights from Northern Ireland to Illinois within your budget

Customise 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 943,810 searches. Data last updated 15 November 2024.

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Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/2

06:30-17:44

2 stops17h 14m

Chicago O'Hare Intl

Sun 9/3

17:25-16:50

1 stop18h 25m

£582

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/2

17:20-14:30

1 stop27h 10m

Chicago O'Hare Intl

Sun 9/3

17:25-21:00

1 stop22h 35m

£599

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/2

06:30-20:58

2 stops20h 28m

Chicago O'Hare Intl

Sun 9/3

12:30-16:50

2 stops23h 20m

£602

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 1/12

17:20-14:30

1 stop27h 10m

Chicago O'Hare Intl

Thu 5/12

15:34-16:50

2 stops19h 16m

£1,625

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 1/12

15:10-14:45

1 stop29h 35m

Chicago O'Hare Intl

Thu 5/12

18:30-14:00

1 stop13h 30m

£1,872

Flights are sorted by cheapest first

Deals found on 15/11

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 15 November 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 15 November 2024.

Sun 1/1217:20BHD - ORD
1 stop27h 10mVirgin Atlantic
Thu 5/1215:34ORD - BHD
2 stops19h 16mVirgin Atlantic
Deal found 15/11£1,625
Sun 1/1215:10BHD - ORD
1 stop29h 35mAmerican Airlines
Thu 5/1218:30ORD - BHD
1 stop13h 30mAmerican Airlines
Deal found 15/11£1,872

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 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 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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 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 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 15 November 2024.
8.0
Very Good
8,786 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

8.0
Very Good
8,786 reviews
8.0
Very Good
8,786 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,350 reviews
8.0
Very Good
8,786 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
662 reviews
8.0
Very Good
8,786 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very Good
8,786 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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 holiday 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, January is the cheapest month in which you can book a flight from Northern Ireland to Illinois (average of £598). Flying from Northern Ireland to Illinois in July is currently the most expensive (average of £774). 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.

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Northern Ireland today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Illinois from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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