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Cheap flights from Illinois to Northern Ireland from £365

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
26 Nov — 3 Dec1
1 adult

Find flights from Illinois to Northern Ireland within your budget

Customise 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 939,815 searches. Data last updated 21 November 2024.

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Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 28/1

21:45-18:40

1 stop14h 55m

Belfast City

Tue 18/2

06:35-17:00

1 stop16h 25m

£489

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 28/1

21:45-14:55

1 stop11h 10m

Belfast City

Tue 18/2

06:35-13:55

1 stop13h 20m

£491

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/12

18:35-13:35

1 stop13h 00m

Belfast City

Tue 10/12

08:40-18:45

1 stop16h 05m

£496

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 28/1

17:20-13:35

2 stops14h 15m

Belfast City

Tue 18/2

11:30-18:45

1 stop13h 15m

£501

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/12

13:31-16:50

2 stops21h 19m

Belfast City

Tue 10/12

06:30-21:43

2 stops21h 13m

£536

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 28/1

17:07-16:50

2 stops17h 43m

Belfast City

Tue 18/2

06:30-17:47

2 stops17h 17m

£537

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 17/3

18:23-14:10

2 stops14h 47m

Belfast City

Mon 24/3

17:40-21:40

2 stops33h 00m

£557

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 26/2

14:08-16:50

2 stops20h 42m

Belfast City

Sun 2/3

06:30-18:14

2 stops17h 44m

£583

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 8/12

18:30-21:40

2 stops21h 10m

Belfast Intl

Thu 12/12

08:30-17:20

2 stops14h 50m

£598

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 17/12

14:10-21:00

2 stops24h 50m

Belfast City

Tue 24/12

06:30-21:43

2 stops21h 13m

£738

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 17 results
1
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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 21 November 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 21 November 2024.

Tue 3/1218:35ORD - BHD
1 stop13h 00mBritish Airways
Tue 10/1208:40BHD - ORD
1 stop16h 05mBritish Airways
Deal found 19/11£496
Tue 3/1222:05ORD - BHD
1 stop14h 35mAmerican Airlines
Tue 10/1206:35BHD - ORD
2 stops17h 00mAmerican Airlines
Deal found 19/11£504
Tue 3/1213:31ORD - BHD
2 stops21h 19mDelta
Tue 10/1206:30BHD - ORD
2 stops21h 13mDelta
Deal found 19/11£536
Sun 8/1218:30ORD - BFS
2 stops21h 10mMultiple Airlines
Thu 12/1208:30BFS - ORD
2 stops14h 50mMultiple Airlines
Deal found 20/11£598
Tue 17/1214:10STL - BHD
2 stops24h 50mDelta
Tue 24/1206:30BHD - STL
2 stops21h 13mDelta
Deal found 19/11£738
Tue 26/1118:30ORD - BHD
2 stops20h 00mMultiple Airlines
Tue 3/1210:40BHD - ORD
3 stops34h 50mMultiple Airlines
Deal found 19/11£939
Wed 27/1116:25ORD - BHD
1 stop22h 35mKLM
Sun 1/1206:30BHD - ORD
1 stop14h 00mKLM
Deal found 20/11£1,058
Tue 17/1206:30STL - BFS
3 stops25h 40mMultiple Airlines
Tue 24/1220:50BFS - STL
2 stops24h 16mMultiple Airlines
Deal found 19/11£1,088
Sun 15/1219:40ORD - BHD
2 stops19h 30mAer Lingus
Sat 4/118:00BHD - ORD
2 stops55h 15mAer Lingus
Deal found 19/11£1,232
Tue 3/1216:45ORD - BHD
2 stops19h 55mIberia
Tue 10/1208:40BHD - ORD
1 stop12h 05mIberia
Deal found 19/11£1,288
Mon 23/1217:03MDW - BHD
2 stops17h 47mDelta
Mon 30/1206:30BHD - MDW
2 stops21h 36mDelta
Deal found 20/11£1,760
Tue 17/1214:30STL - BHD
3 stops20h 45mMultiple Airlines
Tue 24/1206:30BHD - STL
3 stops21h 15mMultiple Airlines
Deal found 19/11£3,368

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 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 Illinois to Northern Ireland

Get recent, data-driven insights about flights from Illinois 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.

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

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 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

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 21 November 2024.
To help decide which airline to fly from Illinois to Northern Ireland, see what other customers have to say about British Airways, Delta and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

8.0
Very Good
8,756 reviews
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

7.8
Good
1,350 reviews
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

7.7
Good
1,300 reviews
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

7.1
Good
1,089 reviews
8.0
Very Good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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 holiday 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, January is the cheapest month in which you can book a flight from Illinois to Northern Ireland (average of £67). Flying from Illinois to Northern Ireland in August 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

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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.

Fly with Cheapflights

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

Cheapflights helps you search for flights from Illinois to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Illinois 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 Illinois.

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

Yes, we can. To see specific flights from Illinois to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Illinois to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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