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$447+ Cheap flights from Illinois to Belfast

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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
Nov 18 — Nov 251
1 adult
Mon 11/18
Mon 11/25
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Cheap flight deals from Illinois to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Belfast (BF1). 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 Illinois to Belfast

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

This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:45 amORD - BFS
2 stops21h 20mMultiple Airlines
Thu 12/125:45 pmBFS - ORD
2 stops28h 45mMultiple Airlines
Deal found 11/12$715
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:40 pmORD - BHD
2 stops16h 45mAer Lingus
Sun 12/15:55 pmBHD - ORD
2 stops50h 05mAer Lingus
Deal found 11/13$1,014
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/274:25 pmORD - BHD
1 stop22h 35mKLM
Sun 12/15:20 pmBHD - ORD
1 stop27h 10mKLM
Deal found 11/12$1,129
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/271:21 pmORD - BHD
2 stops14h 44mBritish Airways
Sun 12/15:25 pmBHD - ORD
1 stop27h 20mBritish Airways
Deal found 11/13$1,292
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:19 pmSTL - BHD
2 stops17h 21mBritish Airways
Sun 11/178:25 pmBHD - STL
2 stops30h 34mBritish Airways
Deal found 11/13$1,698
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:49 pmMDW - BHD
2 stops20h 11mDelta
Sun 12/16:30 amBHD - MDW
2 stops21h 16mDelta
Deal found 11/13$2,548
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/273:19 pmMDW - BHD
2 stops19h 31mKLM
Sun 12/16:30 amBHD - MDW
2 stops16h 32mKLM
Deal found 11/12$5,571

Find flights from Illinois to Belfast within your budget

Customize your flight search to find flights from Illinois to Belfast 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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ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/21

5:55 pm-12:50 pm

1 stop12h 55m

Belfast City

Mon 5/5

7:30 pm-1:45 pm

1 stop24h 15m

$628

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/21

5:20 pm-4:50 pm

2 stops17h 30m

Belfast City

Mon 5/5

5:20 pm-2:20 pm

1 stop27h 00m

$689

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 12/5

7:45 am-11:05 am

2 stops21h 20m

Belfast Intl

Thu 12/12

5:45 pm-4:30 pm

2 stops28h 45m

$715

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/21

3:50 pm-9:20 pm

2 stops23h 30m

Belfast City

Mon 5/5

6:30 am-9:35 pm

2 stops21h 05m

$749

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 5/5

3:45 pm-12:50 pm

2 stops15h 05m

Belfast City

Mon 5/19

7:30 pm-2:00 pm

2 stops24h 30m

$871

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 1/3

5:00 pm-5:15 pm

1 stop18h 15m

Belfast City

Sat 1/18

11:15 am-6:45 pm

1 stop13h 30m

$1,011

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 1/3

7:40 pm-5:15 pm

2 stops15h 35m

Belfast City

Sat 1/18

6:30 am-5:00 pm

1 stop16h 30m

$1,073

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 4/21

6:45 pm-4:50 pm

2 stops16h 05m

Belfast City

Mon 5/5

6:30 am-5:03 pm

2 stops16h 33m

$1,112

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 11/27

6:49 pm-9:00 pm

2 stops20h 11m

Belfast City

Sun 12/1

6:30 am-9:46 pm

2 stops21h 16m

$2,548

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 12/28

8:55 pm-8:10 pm

3 stops41h 15m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Best time to book a flight from Illinois to Belfast

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

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

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

Find hourly flight availability from Illinois to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2024.

When flying from Illinois to Belfast, 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 Belfast by month

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

In terms of precipitation, rainfall in Belfast 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 Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

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

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

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

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

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

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,789 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,084 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

British Airways
6.7
Okay
6,833 reviews
Delta
8.0
Very good
8,789 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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

  • What are the most popular routes from Illinois to Belfast?

    The most popular flight routes from Illinois to Belfast are Chicago O'Hare Intl - Belfast Intl, Chicago Midway - Belfast City and Chicago O'Hare Intl - Belfast City.

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

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

  • How can I find direct flights from Illinois to Belfast?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Belfast 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 Belfast?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Belfast (average of $641). Flying from Illinois to Belfast in June is currently the most expensive (average of $1,183). 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.

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Alternative routes for Illinois to Belfast

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 Belfast

Discover the top 2 airlines that operate flights from Illinois to Belfast. 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 2,744,491 searches. Data last updated November 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$610Average$782FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$621Average$782FlexibilityNo cancel feeOn-time70%
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