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$274+ Cheap flights from Chicago (CHI) 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Chicago to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 January 16, 2025.

Round-trip from

$672
(Mytrip)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$832
From Chicago (CHI) to Belfast
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One-way flight from Chicago (CHI) to Belfast
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Chicago to Belfast

Cheapest flights from Chicago to Belfast
Explore the most affordable flight options available from Chicago to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:35 pmORD - BHD
1 stop13h 00mMultiple Airlines
Tue 10/148:20 pmBHD - ORD
1 stop21h 30mMultiple Airlines
Deal found 1/16$610
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:45 amORD - BHD
2 stops19h 45mBritish Airways
Tue 10/146:35 amBHD - ORD
1 stop17h 40mBritish Airways
Deal found 1/16$624
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Sun 3/27:40 pmORD - BFS
2 stops20h 20mMultiple Airlines
Sun 3/99:55 pmBFS - ORD
2 stops25h 55mMultiple Airlines
Deal found 1/16$667
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1710:00 pmORD - BHD
1 stop13h 15mFinnair
Fri 1/246:45 amBHD - ORD
1 stop14h 00mFinnair
Deal found 1/16$695
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 1/1710:00 pmORD - BHD
1 stop13h 15mAmerican Airlines
Fri 1/2410:10 amBHD - ORD
2 stops15h 54mAmerican Airlines
Deal found 1/16$715
This Delta deal was found by Cheapflights users on 1/16. 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.
Fri 1/171:40 pmORD - BHD
2 stops21h 10mDelta
Fri 1/246:30 amBHD - ORD
2 stops20h 58mDelta
Deal found 1/16$755
This KLM deal was found by Cheapflights users on 1/16. 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 10/86:50 pmMDW - BHD
2 stops16h 05mKLM
Tue 10/146:30 amBHD - MDW
2 stops16h 31mKLM
Deal found 1/16$1,015
This Ovago deal was found by Cheapflights users on 1/16. 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.
Tue 2/119:00 pmORD - BHD
2 stops18h 10mAer Lingus
Sat 2/156:55 amBHD - ORD
2 stops18h 20mAer Lingus
Deal found 1/16$1,100
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Sun 3/211:15 amMDW - BFS
3 stops28h 45mMultiple Airlines
Sun 3/99:10 pmBFS - MDW
3 stops42h 10mMultiple Airlines
Deal found 1/16$1,403
This Delta deal was found by Cheapflights users on 1/16. 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.
Fri 3/710:57 amMDW - BHD
2 stops23h 53mDelta
Tue 3/116:30 amBHD - MDW
2 stops20h 57mDelta
Deal found 1/16$1,521

Find flights from Chicago to Belfast within your budget

Customize your flight search to find flights from Chicago 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 2,558,603 searches. Data last updated January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 3/2

7:40 pm-10:00 pm

2 stops20h 20m

Belfast Intl

Sun 3/9

9:55 pm-6:50 pm

2 stops25h 55m

$667

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/7

4:25 pm-2:15 pm

2 stops15h 50m

Belfast City

Tue 3/11

8:40 am-5:40 pm

1 stop14h 00m

$725

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/7

8:11 pm-5:15 pm

1 stop15h 04m

Belfast City

Tue 3/11

11:30 am-7:45 pm

1 stop13h 15m

$792

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 2/11

9:00 pm-9:10 pm

2 stops18h 10m

Belfast City

Sat 2/15

6:55 am-7:15 pm

2 stops18h 20m

$1,100

ChicagoBelfast

MDW - BFS

MDWBFS

Chicago Midway

Sun 3/2

11:15 am-10:00 pm

3 stops28h 45m

Belfast Intl

Sun 3/9

9:10 pm-10:20 am

3 stops42h 10m

$1,403

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 3/7

10:57 am-4:50 pm

2 stops23h 53m

Belfast City

Tue 3/11

6:30 am-10:27 pm

2 stops20h 57m

$1,521

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 2/14

7:07 am-9:20 pm

2 stops32h 13m

$274

ChicagoBelfast

MDW - BFS

MDWBFS

Chicago Midway

Mon 2/10

11:33 am-7:55 am

2 stops38h 22m

$278

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 2/10

12:25 pm-9:35 am

2 stops39h 10m

$292

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 2/10

11:33 am-9:35 am

2 stops40h 02m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Chicago to Belfast

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

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

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

Find hourly flight availability from Chicago 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 January 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 9% on flights from Chicago to Belfast by exploring options for tickets at noon.

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 January 16, 2025.
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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
1,077 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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 Chicago 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 cheapest airlines flying from Chicago to Belfast round-trip?

    British Airways, at $725, was found to be the cheapest airline from Chicago to Belfast.Alternate airlines to your destination round-trip include Aer Lingus and Delta. These flights start at 13% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Belfast one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from KLM and Finnair, as they are both options that can get you from Chicago to Belfast for a low price.

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

    Most travelers choose Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast Intl when deciding on the best route from Chicago to Belfast.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Chicago to Belfast (average of $657). Flying from Chicago to Belfast in June is currently the most expensive (average of $1,189). 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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Alternative routes for Chicago to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Belfast Intl flights
O'Hare Intl to Belfast City flights
St. Louis to Belfast Intl flights
St. Louis to Belfast City flights
Midway to Belfast City flights

Top 2 airlines flying from Chicago to Belfast

Discover the top 2 airlines that operate flights from Chicago 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 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$610Average$782FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$612Average$782FlexibilityNo cancel feeOn-time70%
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