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Illinois

$681+ Cheap flights from Belfast to Illinois

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$692
(Trip.com)

One-way from

$681
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$840
From Belfast to Illinois
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One-way flight from Belfast to Illinois
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:00 amBFS - ORD
2 stops44h 15mMultiple Airlines
Sat 10/117:25 pmORD - BFS
2 stops20h 05mMultiple Airlines
Deal found 7/30$692
This TravelUp deal was found by Cheapflights users on 7/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:30 amBHD - ORD
2 stops17h 40mVirgin Atlantic
Sat 10/116:21 pmORD - BHD
2 stops40h 34mVirgin Atlantic
Deal found 7/30$839
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Tue 10/77:05 amBHD - ORD
3 stops18h 24mMultiple Airlines
Sat 10/113:50 pmORD - BHD
2 stops23h 20mMultiple Airlines
Deal found 7/30$948
This TravelUp deal was found by Cheapflights users on 7/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:20 pmBHD - ORD
1 stop24h 20mFinnair
Sat 10/114:50 pmORD - BHD
2 stops36h 40mFinnair
Deal found 7/30$973

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 July 31, 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

BFS - ORD

BFSORD

Belfast Intl

Tue 10/7

7:00 am-9:15 pm

2 stops44h 15m

Chicago O'Hare Intl

Sat 10/11

7:25 pm-9:30 pm

2 stops20h 05m

$692

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 10/7

6:30 am-6:10 pm

2 stops17h 40m

Chicago O'Hare Intl

Sat 10/11

6:21 pm-4:55 pm

2 stops40h 34m

$839

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 10/7

7:05 am-7:29 pm

3 stops18h 24m

Chicago O'Hare Intl

Sat 10/11

3:50 pm-9:10 pm

2 stops23h 20m

$948

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 10/7

8:20 pm-2:40 pm

1 stop24h 20m

Chicago O'Hare Intl

Sat 10/11

4:50 pm-11:30 am

2 stops36h 40m

$973

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 12/21

6:00 am-5:20 pm

2 stops17h 20m

$681

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 12/21

7:30 am-5:20 pm

2 stops15h 50m

$802

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 8/10

6:50 am-1:50 pm

1 stop13h 00m

$3,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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
No data available for this route at this time. Please check back soon.

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 July 31, 2025.
See what other customers who have flown with Finnair, Virgin Atlantic, and British Airways from Belfast to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,316 reviews

Crew

8.1

Entertainment

6.9

Boarding

7.6

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Crew

8.1

Entertainment

6.9

Boarding

7.6

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.4
Good
655 reviews
Finnair
7.6
Good
1,316 reviews

Crew

8.1

Entertainment

6.9

Boarding

7.6

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.6
Okay
7,222 reviews
Finnair
7.6
Good
1,316 reviews

Crew

8.1

Entertainment

6.9

Boarding

7.6

Comfort

7.5

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.

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