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Cheap flights from Illinois to Belfast Intl Airport from £352

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
27 Nov — 4 Dec1
1 adult

Find flights from Illinois to Belfast Intl within your budget

Customise your flight search to find flights from Illinois to Belfast Intl 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 915,844 searches. Data last updated 22 November 2024.

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Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 16/1

11:35-22:20

3 stops28h 45m

Belfast Intl

Mon 20/1

10:20-16:15

2 stops35h 55m

£626

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 6/1

18:30-20:10

2 stops19h 40m

£352

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Fri 9/5

07:57-09:00

2 stops43h 03m

£395

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Cheap flight deals from Illinois to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Belfast Intl (BFS). 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 22 November 2024.

Find flight deals from Illinois to Belfast Intl

Cheapest flights from Illinois to Belfast Intl
Explore the most affordable flight options available from Illinois to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 November 2024.

Thu 12/1207:35ORD - BFS
3 stops32h 45mMultiple Airlines
Mon 16/1213:25BFS - ORD
2 stops26h 45mMultiple Airlines
Deal found 21/11£919

Best time to book a flight from Illinois to Belfast Intl

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

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

Rainfall in Belfast Intl by month

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

In terms of precipitation, rainfall in Belfast Intl Airport 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 Belfast Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

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

If weather is an important factor for your trip to Belfast Intl Airport, 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).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Belfast Intl. 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 Intl Airport?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Belfast Intl Airport (average of £67). Flying from Illinois to Belfast Intl Airport 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.

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Can Cheapflights find flights from Illinois to Belfast Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Belfast Intl with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Illinois today and book when prices fit your budget.

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