Cheap flights from Belfast to Illinois from £449
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast to Illinois
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 21 December 2024.
Find flight deals from Belfast to Illinois
Best flights from Belfast to IllinoisDiscover carefully curated flight deals from Belfast to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 December 2024.
Discover carefully curated flight deals from Belfast to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 December 2024.
Find flights from Belfast to Illinois within your budget
Customise your flight search to find flights from Belfast 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 858,174 searches. Data last updated 21 December 2024.
Fly from
Fly to
Route
Depart
Return
Price
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Mon 3/2
06:30-17:20
2 stops16h 50m
Chicago O'Hare Intl
Mon 10/2
18:30-21:05
2 stops20h 35m
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Thu 27/2
06:35-17:00
1 stop16h 25m
Chicago O'Hare Intl
Sun 9/3
23:05-18:40
1 stop14h 35m
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Thu 27/2
06:30-18:25
2 stops17h 55m
Chicago O'Hare Intl
Sun 9/3
17:00-16:50
2 stops18h 50m
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 6/1
06:30-14:30
1 stop14h 00m
Chicago O'Hare Intl
Fri 10/1
16:25-21:00
1 stop22h 35m
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 6/1
11:30-08:42
2 stops27h 12m
Chicago O'Hare Intl
Fri 10/1
17:30-14:15
2 stops14h 45m
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Fri 16/5
06:30-14:10
1 stop13h 40m
Best time to book a flight from Belfast to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Belfast with our price prediction graph.
Travel insights for flights from Belfast to Illinois
Get recent, data-driven insights about flights from Belfast 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 21 December 2024.
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Boarding
Entertainment
Overall
Reviews
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 Belfast to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Belfast 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 Belfast to Illinois?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Belfast to Illinois?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Illinois for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Belfast to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from Belfast? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Belfast to Illinois become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Belfast today and book when prices fit your budget.