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Cheap flights from Chicago to Belfast from £415

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — BHD
15 May — 22 May1
1 adult
Wed 15/5
Wed 22/5

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 10 May 2024.

Popular in

June

Cheapest in

February

Average price

£728

Round-trip from

£50
High demand for flights, 62% potential price rise
Search Deals
Best time to find cheap flights, 33% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Chicago (CHI) to Belfast
Search Deals

What is the cheapest month to fly from Chicago to Belfast?

The best pricing can be found in the month of February. Prices to Belfast from Chicago average £750. You can even find prices in February for less than £750, as users have found deals to Belfast from as low as £489. The month of June appears to be one of the more expensive times to travel to Belfast from Chicago. Flying in the targeted month can save you up to 166%.

When is the cheapest time to fly from Chicago to Belfast (CHI - BFS)?

When flying from Chicago to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap KLM flights from Chicago to Belfast

Explore cheap flight options specifically provided by KLM for the route between Chicago and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 876,925 searches. Data last updated 10 May 2024.
Find some of the cheapest KLM flights travelling from Chicago to Belfast. Make sure to double check the flight details before booking.
Wed 25/913:10MDW - BHD
2 stops21h 40mKLM
Sun 29/917:20BHD - MDW
2 stops29h 43mKLM
Deal found 9/5£646
Sun 30/617:45MDW - BHD
2 stops17h 05mKLM
Mon 8/717:20BHD - MDW
2 stops25h 24mKLM
Deal found 8/5£1,833
Sun 30/617:45MDW - BHD
2 stops17h 05mKLM
Sun 7/717:20BHD - MDW
2 stops27h 34mKLM
Deal found 8/5£1,963

Cheap American Airlines flights from Chicago to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Chicago and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 876,925 searches. Data last updated 10 May 2024.
Have a look at some of the cheapest available American Airlines flights departing from Chicago and landing in Belfast. Make sure to examine the flight information before completing your reservation.
Sat 1/618:00ORD - BHD
1 stop12h 20mAmerican Airlines
Sat 8/606:50BHD - ORD
1 stop15h 00mAmerican Airlines
Deal found 9/5£661
Sat 1/616:06ORD - BHD
2 stops14h 14mAmerican Airlines
Sat 8/616:15BHD - ORD
1 stop24h 30mAmerican Airlines
Deal found 9/5£664
Mon 15/722:45ORD - BHD
1 stop12h 40mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 9/5£686
Mon 15/722:25ORD - BHD
2 stops14h 15mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 9/5£703
Mon 15/722:25ORD - BHD
2 stops14h 15mAmerican Airlines
Mon 22/706:35BHD - ORD
2 stops15h 43mAmerican Airlines
Deal found 9/5£751
Sun 30/620:30ORD - BHD
1 stop15h 05mAmerican Airlines
Mon 8/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 8/5£824
Sun 30/618:25ORD - BHD
2 stops14h 10mAmerican Airlines
Mon 8/713:50BHD - ORD
1 stop26h 55mAmerican Airlines
Deal found 8/5£828
Sun 30/622:25ORD - BHD
1 stop13h 10mAmerican Airlines
Sun 7/715:50BHD - ORD
1 stop26h 55mAmerican Airlines
Deal found 8/5£864
Sun 30/618:25ORD - BHD
2 stops14h 10mAmerican Airlines
Sun 7/713:10BHD - ORD
1 stop27h 35mAmerican Airlines
Deal found 8/5£868

Cheap Chicago to Belfast flights in May & June 2024

Find cheap flight options from Chicago to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 876,925 searches. Prices were last updated on 10 May 2024.
The lowest fares we've come across on flights travelling from Chicago to Belfast in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 21/512:20ORD - BHD
2 stops22h 30mDelta
Tue 28/517:20BHD - ORD
1 stop27h 25mDelta
Deal found 8/5£578
Tue 21/513:02ORD - BHD
2 stops21h 48mDelta
Tue 28/517:20BHD - ORD
2 stops29h 29mDelta
Deal found 8/5£586
Tue 21/514:15MDW - BHD
2 stops20h 35mDelta
Tue 28/517:20BHD - MDW
2 stops29h 46mDelta
Deal found 8/5£586
Thu 9/508:20ORD - BHD
1 stop18h 40mBritish Airways
Tue 14/509:45BHD - ORD
1 stop14h 30mBritish Airways
Deal found 8/5£658
Sat 1/608:20ORD - BHD
1 stop19h 50mAmerican Airlines
Sat 8/616:15BHD - ORD
1 stop27h 30mAmerican Airlines
Deal found 8/5£661
Sat 1/616:06ORD - BHD
2 stops14h 14mAmerican Airlines
Sat 8/616:15BHD - ORD
1 stop24h 30mAmerican Airlines
Deal found 9/5£664
Sat 1/616:06ORD - BHD
2 stops14h 14mAmerican Airlines
Sat 8/606:50BHD - ORD
1 stop15h 00mAmerican Airlines
Deal found 8/5£665
Thu 9/508:20ORD - BHD
1 stop18h 40mAmerican Airlines
Wed 15/511:50BHD - ORD
2 stops18h 09mAmerican Airlines
Deal found 9/5£666
Tue 21/518:00ORD - BHD
1 stop12h 55mAmerican Airlines
Tue 28/506:35BHD - ORD
1 stop12h 10mAmerican Airlines
Deal found 8/5£673

Chicago to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 876,925 searches. Data last updated 10 May 2024.
The lowest fares we've come across on flights travelling from Chicago to Belfast in May and June 2024. More deals are always being added, so be sure to check back regularly.
Fri 1/1110:00ORD - BHD
1 stop17h 20mBritish Airways
Fri 8/1111:40BHD - ORD
1 stop13h 05mBritish Airways
Deal found 8/5£497
Fri 1/1116:50ORD - BHD
2 stops16h 25mAmerican Airlines
Fri 8/1106:50BHD - ORD
1 stop13h 05mAmerican Airlines
Deal found 8/5£501
Tue 17/922:25ORD - BHD
1 stop10h 55mBritish Airways
Fri 27/906:35BHD - ORD
1 stop12h 30mBritish Airways
Deal found 8/5£502
Tue 17/916:50ORD - BHD
2 stops14h 05mAmerican Airlines
Fri 27/906:35BHD - ORD
1 stop17h 40mAmerican Airlines
Deal found 8/5£506
Tue 17/911:50ORD - BHD
2 stops16h 45mBritish Airways
Fri 27/906:35BHD - ORD
2 stops19h 05mBritish Airways
Deal found 8/5£539
Tue 21/512:20ORD - BHD
2 stops22h 30mDelta
Tue 28/517:20BHD - ORD
1 stop27h 25mDelta
Deal found 8/5£578
Tue 21/513:02ORD - BHD
2 stops21h 48mDelta
Tue 28/517:20BHD - ORD
2 stops29h 29mDelta
Deal found 8/5£586
Tue 21/514:15MDW - BHD
2 stops20h 35mDelta
Tue 28/517:20BHD - MDW
2 stops29h 46mDelta
Deal found 8/5£586
Thu 9/508:20ORD - BHD
1 stop18h 40mBritish Airways
Tue 14/509:45BHD - ORD
1 stop14h 30mBritish Airways
Deal found 8/5£658

One-way flights to Belfast from Chicago

Search for one-way flight options from Chicago to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 876,925 searches. Data last updated 10 May 2024.
Take a look at some of the one-way flights we've detected from Chicago to Belfast. Those needing a return flight from Chicago to Belfast can use the search form above.
Thu 16/522:57ORD - BHD
2 stops39h 03mMultiple Airlines
Deal found 9/5£415
Thu 16/522:57ORD - BFS
2 stops38h 18mMultiple Airlines
Deal found 9/5£423
Fri 17/506:00ORD - BHD
2 stops32h 00mMultiple Airlines
Deal found 9/5£426
Wed 12/619:10ORD - BHD
1 stop10h 40mAmerican Airlines
Deal found 9/5£443
Wed 12/616:55ORD - BHD
2 stops14h 30mAmerican Airlines
Deal found 9/5£447
Thu 16/522:22MDW - BFS
3 stops33h 03mMultiple Airlines
Deal found 9/5£467
Wed 12/617:45MDW - BHD
2 stops17h 05mDelta
Deal found 9/5£470
Fri 17/521:25ORD - BHD
3 stops53h 50mMultiple Airlines
Deal found 9/5£482
Thu 16/521:25ORD - BFS
3 stops28h 25mMultiple Airlines
Deal found 9/5£492

Find flights from Chicago to Belfast within your budget

Customise 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 876,925 searches. Data last updated 10 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£646 - £1,410

Route

Depart

Return

Price

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Wed 25/9

2 stops21h 40m

Belfast City

Sun 29/9

2 stops29h 43m

£646

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 1/6

1 stop12h 20m

Belfast City

Sat 8/6

1 stop15h 00m

£661

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 1/6

2 stops14h 14m

Belfast City

Sat 8/6

1 stop24h 30m

£664

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 15/7

1 stop12h 40m

Belfast City

Mon 22/7

1 stop25h 20m

£686

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 1/6

2 stops22h 30m

Belfast City

Sat 8/6

2 stops33h 06m

£714

Chicago O'Hare IntlBelfast Intl

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 17/6

2 stops23h 30m

Belfast Intl

Sat 29/6

2 stops18h 24m

£734

Chicago O'Hare IntlBelfast Intl

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 17/6

2 stops23h 30m

Belfast Intl

Sat 29/6

3 stops29h 32m

£775

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 17/6

1 stop14h 15m

Belfast City

Fri 28/6

1 stop14h 10m

£859

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Wed 25/9

2 stops25h 15m

Belfast City

Sun 29/9

2 stops54h 45m

£1,410

Flights are sorted by cheapest first

Deals found on 9/5

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

Average price of flights to Belfast by month

Plan your trip from Chicago to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Belfast is currently £452 while a return flight costs £794. Price data was last updated on 5 May 2024.

Currently, October is the cheapest month in which you can book a flight from Chicago to Belfast (average of £62). Flying from Chicago to Belfast in July is currently the most expensive (average of £82). 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.

January

£50

February

£56

March

£55

April

£55

May

£56

June

£59

July

£66

August

£65

September

£57

October

£50

November

£55

December

£57

Temperature and rainfall in Belfast by month

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

BFS

Temperature

5 - 16 °C

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 10 May 2024.
To help decide which airline to fly from Chicago to Belfast, see what other customers have to say about KLM, American Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very Good
10,778 reviews
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,590 reviews
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.7
Good
738 reviews
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,665 reviews
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Aer Lingus
7.2
Good
1,338 reviews
Delta
8.0
Very Good
10,778 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Chicago to Belfast for under £700 on Cheapflights?

    Yes, there are multiple flights from Chicago to Belfast for under £700. The cheapest flight booked recently is on KLM for just £646, but on average you can expect to pay £789.

  • What are the cheapest airlines flying from Chicago to Belfast round-trip?

    Cheapflights users have booked flights from Chicago to Belfast round-trip from £646. Other airlines that can offer you cheap pricing are American Airlines, from £661, and Delta, from £714. KLM is priced at 13% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as £443. However, be on the lookout for offers from Delta and Lufthansa, 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?

    The most popular route from Chicago to Belfast is Chicago O'Hare Intl - Belfast Intl. You may also consider Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast City.

  • What does ORD to BFS mean?

    ORD and BFS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ORD to BFS refers to a flight route from Chicago O'Hare Intl Airport to Belfast Intl Airport. Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Chicago to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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 holiday 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.

  • Can I find deals for flights from Chicago to Belfast that allow pets onboard?

    Many airlines flying from Chicago to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Belfast?

    Yes, you can often find last-minute deals on Chicago to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Belfast flight deals updated?

    The Chicago to Belfast flight deals you see on this page were last updated on 8/5.

See more FAQs

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Search flights from Chicago to Belfast by cabin class

Find flights from Chicago to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Belfast?

Cheapflights helps you search for flights from Chicago to Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Belfast?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Belfast for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Belfast from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Chicago to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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