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Northern Ireland

$332+ Cheap flights from Illinois to Northern Ireland

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Northern Ireland (GBNIR). 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 21, 2024.

Find flight deals from Illinois to Northern Ireland

Cheapest flights from Illinois to Northern Ireland
Explore the most affordable flight options available from Illinois to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Travelocity deal was found by Cheapflights users on 11/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/121:57 pmORD - BHD
2 stops14h 23mBritish Airways
Mon 12/169:10 amBHD - ORD
2 stops28h 14mBritish Airways
Deal found 11/21$748
This Mytrip deal was found by Cheapflights users on 11/21. 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.
Thu 12/127:35 amORD - BFS
3 stops32h 45mMultiple Airlines
Mon 12/161:25 pmBFS - ORD
2 stops26h 45mMultiple Airlines
Deal found 11/21$1,161
This Mytrip deal was found by Cheapflights users on 11/21. 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.
Thu 12/129:50 amORD - BHD
3 stops28h 05mMultiple Airlines
Mon 12/166:50 amBHD - ORD
2 stops17h 05mMultiple Airlines
Deal found 11/21$1,541
This Delta deal was found by Cheapflights users on 11/21. 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.
Thu 12/1210:38 amMDW - BHD
2 stops24h 12mDelta
Mon 12/166:30 amBHD - MDW
2 stops21h 36mDelta
Deal found 11/21$1,873

Find flights from Illinois to Northern Ireland within your budget

Customize your flight search to find flights from Illinois to Northern Ireland 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 2,612,795 searches. Data last updated November 21, 2024.

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ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 2/23

9:45 pm-6:40 pm

1 stop14h 55m

Belfast City

Wed 3/5

6:35 am-2:45 pm

1 stop14h 10m

$620

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 4/22

9:25 pm-5:25 pm

1 stop14h 00m

Belfast City

Wed 4/30

7:40 pm-12:15 pm

1 stop22h 35m

$624

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 4/22

8:30 pm-3:20 pm

1 stop12h 50m

Belfast City

Wed 4/30

6:50 am-5:37 pm

2 stops16h 47m

$643

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 5/3

10:55 pm-4:25 pm

1 stop11h 30m

Belfast City

Wed 5/14

9:50 am-3:50 pm

1 stop12h 00m

$685

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 5/4

5:20 pm-4:50 pm

2 stops17h 30m

Belfast City

Tue 5/13

5:20 pm-2:20 pm

1 stop27h 00m

$686

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 5/4

5:20 pm-4:50 pm

2 stops17h 30m

Belfast City

Fri 5/16

6:30 am-8:54 pm

2 stops20h 24m

$696

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 1/16

10:00 pm-10:30 am

1 stop30h 30m

Belfast City

Mon 1/20

9:10 am-7:50 pm

2 stops40h 40m

$709

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 2/23

2:08 pm-4:50 pm

2 stops20h 42m

Belfast City

Sun 3/2

6:30 am-6:14 pm

2 stops17h 44m

$730

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 1/16

11:35 am-10:20 pm

3 stops28h 45m

Belfast Intl

Mon 1/20

10:20 am-4:15 pm

2 stops35h 55m

$791

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 2/24

9:00 pm-6:35 pm

2 stops15h 35m

Belfast City

Sun 3/2

9:10 am-5:55 pm

2 stops14h 45m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 16 results
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Best time to book a flight from Illinois to Northern Ireland

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

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

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

Find hourly flight availability from Illinois to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Illinois to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Northern Ireland by month

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

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated November 21, 2024.
To help decide which airline to fly from Illinois to Northern Ireland, see what other customers have to say about British Airways, KLM and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
8,755 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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

Find useful and relevant information for your journey from Illinois to Northern Ireland. 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 Illinois to Northern Ireland that include hotel bookings?

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Northern Ireland (average of $657). Flying from Illinois to Northern Ireland in June is currently the most expensive (average of $1,189). 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 Illinois to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Northern Ireland

Discover the top 2 airlines that operate flights from Illinois to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$610Average$782FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$621Average$782FlexibilityNo cancel feeOn-time70%
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