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Illinois

$760+ Cheap flights from Belfast to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Belfast to Illinois

Keep the following information in mind while searching for Belfast to Illinois flight deals. Data was last updated mayo 1, 2025.

Round-trip from

$760
(Virgin Atlantic)

Popular in

March

Cheapest in

September

Average price

$870
From Belfast to Illinois
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($343 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
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Find flight deals from Belfast to Illinois

Cheapest flights from Belfast to Illinois
Explore the most affordable flight options available from Belfast to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 4/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/76:30 amBHD - ORD
2 stops18h 44mVirgin Atlantic
sáb. 6/145:37 pmORD - BHD
2 stops21h 38mVirgin Atlantic
Deal found 4/30$760
This Delta deal was found by Cheapflights users on 4/30. 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.
sáb. 6/76:30 amBHD - ORD
2 stops21h 01mDelta
sáb. 6/145:37 pmORD - BHD
2 stops21h 38mDelta
Deal found 4/30$763
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/77:05 amBHD - ORD
1 stop17h 10mBritish Airways
sáb. 6/148:30 pmORD - BHD
1 stop14h 45mBritish Airways
Deal found 4/30$780
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/79:35 amBHD - ORD
1 stop14h 40mAmerican Airlines
sáb. 6/148:30 pmORD - BHD
1 stop12h 35mAmerican Airlines
Deal found 4/30$803
This Mytrip deal was found by Cheapflights users on 4/30. 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.
sáb. 6/144:30 pmBFS - ORD
2 stops35h 26mMultiple Airlines
sáb. 6/217:04 amORD - BFS
2 stops33h 26mMultiple Airlines
Deal found 4/30$897
This Mytrip deal was found by Cheapflights users on 4/30. 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.
mar. 6/107:05 amBHD - ORD
2 stops42h 58mMultiple Airlines
vie. 6/137:04 amORD - BHD
3 stops31h 21mMultiple Airlines
Deal found 4/30$939
This Netflights deal was found by Cheapflights users on 4/30. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/106:30 amBHD - ORD
1 stop13h 40mKLM
vie. 6/132:00 pmORD - BHD
2 stops25h 15mKLM
Deal found 4/30$1,250

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated mayo 1, 2025.
Use the filters below to find and compare flights from Belfast to Illinois that are best for you.

Fly from

Belfast

Fly to

Illinois

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

sáb. 6/7

6:30 am-7:14 pm

2 stops18h 44m

Chicago O'Hare Intl

sáb. 6/14

5:37 pm-9:15 pm

2 stops21h 38m

$760

BelfastChicago

BHD - ORD

BHDORD

Belfast City

sáb. 6/7

6:30 am-9:31 pm

2 stops21h 01m

Chicago O'Hare Intl

sáb. 6/14

5:37 pm-9:15 pm

2 stops21h 38m

$763

BelfastChicago

BHD - ORD

BHDORD

Belfast City

sáb. 6/7

7:05 am-6:15 pm

1 stop17h 10m

Chicago O'Hare Intl

sáb. 6/14

8:30 pm-5:15 pm

1 stop14h 45m

$780

BelfastChicago

BHD - ORD

BHDORD

Belfast City

sáb. 6/7

9:35 am-6:15 pm

1 stop14h 40m

Chicago O'Hare Intl

sáb. 6/14

8:30 pm-3:05 pm

1 stop12h 35m

$803

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

sáb. 6/14

4:30 pm-9:56 pm

2 stops35h 26m

Chicago O'Hare Intl

sáb. 6/21

7:04 am-10:30 pm

2 stops33h 26m

$897

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 6/10

7:05 am-8:03 pm

2 stops42h 58m

Chicago O'Hare Intl

vie. 6/13

7:04 am-8:25 pm

3 stops31h 21m

$939

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 6/10

6:30 am-2:10 pm

1 stop13h 40m

Chicago O'Hare Intl

vie. 6/13

2:00 pm-9:15 pm

2 stops25h 15m

$1,250

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

6:45 am-7:00 pm

2 stops18h 15m

$820

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

6:30 am-2:10 pm

1 stop13h 40m

$1,707

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Illinois

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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 mayo 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
643 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Belfast to Illinois (average of $245). Flying from Belfast to Illinois in March is currently the most expensive (average of $321). 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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