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Cheap flights from Illinois to Belfast from £357

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 1/10. 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.
ORD — BHD
24 May — 31 May1
1 adult
Fri 24/5
Fri 31/5

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

Flights from Illinois to Belfast lean towards being more expensive in June. Prices are generally better when you fly from Illinois to Belfast in February, with the cheapest ticket starting at £481.

When is the cheapest time to fly from Illinois to Belfast (IL - BFS)?

When flying from Illinois 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 American Airlines flights from Illinois to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Illinois 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 835,321 searches. Data last updated 19 May 2024.
Consider these cheap American Airlines flights we've found departing from Illinois to Belfast. Deals update often to give you more flight options matching your criteria
Mon 15/722:45ORD - BHD
1 stop13h 55mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 18/5£578
Mon 15/722:25ORD - BHD
2 stops14h 15mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 18/5£595
Sun 28/716:45ORD - BHD
1 stop12h 45mAmerican Airlines
Sat 10/806:50BHD - ORD
1 stop14h 05mAmerican Airlines
Deal found 18/5£617
Sun 28/715:19ORD - BHD
2 stops14h 11mAmerican Airlines
Sat 10/816:15BHD - ORD
1 stop24h 30mAmerican Airlines
Deal found 18/5£621
Sun 28/715:19ORD - BHD
2 stops14h 11mAmerican Airlines
Sat 10/806:50BHD - ORD
2 stops19h 06mAmerican Airlines
Deal found 18/5£629
Mon 15/722:25ORD - BHD
2 stops14h 15mAmerican Airlines
Mon 22/706:35BHD - ORD
2 stops15h 43mAmerican Airlines
Deal found 18/5£642
Fri 31/508:20ORD - BHD
1 stop18h 35mAmerican Airlines
Tue 4/613:40BHD - ORD
1 stop27h 05mAmerican Airlines
Deal found 19/5£679

Cheap KLM flights from Illinois to Belfast

Explore cheap flight options specifically provided by KLM for the route between Illinois 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 835,321 searches. Data last updated 19 May 2024.
Browse through some of the cheapest KLM flights travelling from Illinois to Belfast. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 25/906:00MDW - BHD
2 stops28h 50mKLM
Sun 29/917:20BHD - MDW
2 stops29h 43mKLM
Deal found 17/5£590
Wed 25/906:00MDW - BHD
2 stops28h 50mKLM
Sun 29/917:20BHD - MDW
2 stops29h 43mKLM
Deal found 18/5£590
Sun 29/919:35ORD - BHD
2 stops15h 15mKLM
Wed 2/1017:20BHD - ORD
2 stops25h 16mKLM
Deal found 18/5£664
Fri 31/517:47MDW - BHD
2 stops17h 03mKLM
Tue 4/617:20BHD - MDW
2 stops25h 20mKLM
Deal found 19/5£1,440

Cheap Illinois to Belfast flights in May & June 2024

Find cheap flight options from Illinois 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 835,321 searches. Prices were last updated on 19 May 2024.
These are some of the most attractive deals on flights from Illinois to Belfast in 2024. Check back in a little while for more flight options.
Mon 10/621:15ORD - BHD
1 stop14h 10mAmerican Airlines
Mon 17/613:50BHD - ORD
1 stop26h 55mAmerican Airlines
Deal found 19/5£598
Mon 10/611:00ORD - BHD
2 stops23h 50mDelta
Mon 17/617:20BHD - ORD
1 stop27h 00mDelta
Deal found 19/5£627
Mon 10/614:00ORD - BHD
2 stops20h 50mDelta
Mon 17/617:20BHD - ORD
2 stops31h 24mDelta
Deal found 19/5£635
Fri 31/515:50ORD - BHD
2 stops19h 00mDelta
Tue 4/617:20BHD - ORD
1 stop27h 25mDelta
Deal found 19/5£641
Fri 31/514:02ORD - BHD
2 stops20h 48mDelta
Tue 4/617:20BHD - ORD
2 stops29h 27mDelta
Deal found 19/5£649
Sat 1/608:20ORD - BHD
1 stop19h 50mBritish Airways
Sat 8/606:50BHD - ORD
1 stop12h 55mBritish Airways
Deal found 18/5£672
Sat 1/616:25ORD - BHD
1 stop18h 25mDelta
Sat 8/617:20BHD - ORD
1 stop27h 00mDelta
Deal found 19/5£676
Sat 1/615:01ORD - BHD
2 stops19h 24mBritish Airways
Sat 8/606:50BHD - ORD
1 stop15h 00mBritish Airways
Deal found 18/5£678
Fri 31/508:20ORD - BHD
1 stop18h 35mAmerican Airlines
Tue 4/613:40BHD - ORD
1 stop27h 05mAmerican Airlines
Deal found 19/5£679

Illinois to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 19 May 2024.
These are some of the most attractive deals on flights from Illinois to Belfast in 2024. Check back in a little while for more flight options.
Mon 15/722:45ORD - BHD
1 stop13h 55mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 18/5£578
Wed 25/906:00MDW - BHD
2 stops28h 50mKLM
Sun 29/917:20BHD - MDW
2 stops29h 43mKLM
Deal found 17/5£590
Wed 25/906:00MDW - BHD
2 stops28h 50mKLM
Sun 29/917:20BHD - MDW
2 stops29h 43mKLM
Deal found 18/5£590
Mon 15/722:25ORD - BHD
2 stops14h 15mAmerican Airlines
Mon 22/715:25BHD - ORD
1 stop25h 20mAmerican Airlines
Deal found 18/5£595
Mon 10/621:15ORD - BHD
1 stop14h 10mAmerican Airlines
Mon 17/613:50BHD - ORD
1 stop26h 55mAmerican Airlines
Deal found 19/5£598
Sun 28/716:45ORD - BHD
1 stop12h 45mAmerican Airlines
Sat 10/806:50BHD - ORD
1 stop14h 05mAmerican Airlines
Deal found 18/5£617
Sun 28/715:19ORD - BHD
2 stops14h 11mAmerican Airlines
Sat 10/816:15BHD - ORD
1 stop24h 30mAmerican Airlines
Deal found 18/5£621
Mon 10/611:00ORD - BHD
2 stops23h 50mDelta
Mon 17/617:20BHD - ORD
1 stop27h 00mDelta
Deal found 19/5£627
Sun 28/715:19ORD - BHD
2 stops14h 11mAmerican Airlines
Sat 10/806:50BHD - ORD
2 stops19h 06mAmerican Airlines
Deal found 18/5£629

One-way flights to Belfast from Illinois

Search for one-way flight options from Illinois 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 835,321 searches. Data last updated 19 May 2024.
Some of the best available deals we've found on one-way flights from Illinois to Belfast. Users needing a return flight from Illinois to Belfast should utilize the search form above.
Tue 1/1016:20ORD - BHD
1 stop18h 30mAir France
Deal found 18/5£357
Tue 1/1017:55ORD - BHD
2 stops16h 55mAir France
Deal found 18/5£361
Tue 1/1017:59MDW - BHD
2 stops16h 51mAir France
Deal found 18/5£361
Wed 12/620:30ORD - BHD
1 stop15h 10mAmerican Airlines
Deal found 17/5£489
Wed 12/611:50ORD - BHD
2 stops18h 00mAmerican Airlines
Deal found 17/5£491
Wed 12/618:49MDW - BHD
2 stops16h 01mDelta
Deal found 17/5£620
Wed 12/615:00ORD - BFS
2 stops36h 30mMultiple Airlines
Deal found 17/5£663
Wed 12/616:00ORD - BFS
3 stops34h 10mMultiple Airlines
Deal found 17/5£894

Find flights from Illinois to Belfast within your budget

Customise your flight search to find flights from Illinois 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 835,321 searches. Data last updated 19 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£578 - £761

Route

Depart

Return

Price

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 15/7

1 stop13h 55m

Belfast City

Mon 22/7

1 stop25h 20m

£578

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Wed 25/9

2 stops28h 50m

Belfast City

Sun 29/9

2 stops29h 43m

£590

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Wed 25/9

2 stops28h 50m

Belfast City

Sun 29/9

2 stops29h 43m

£590

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 15/7

2 stops14h 15m

Belfast City

Mon 22/7

1 stop25h 20m

£595

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 31/5

2 stops19h 00m

Belfast City

Tue 4/6

1 stop27h 25m

£641

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 31/5

2 stops20h 48m

Belfast City

Tue 4/6

2 stops29h 27m

£649

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 1/6

1 stop19h 50m

Belfast City

Sat 8/6

1 stop12h 55m

£672

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 1/6

2 stops19h 24m

Belfast City

Sat 8/6

1 stop15h 00m

£678

Chicago O'Hare IntlBelfast Intl

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 31/5

1 stop32h 40m

Belfast Intl

Tue 4/6

2 stops34h 12m

£761

Flights are sorted by cheapest first

Deals found on 18/5

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

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 19 May 2024.
To help decide which airline to fly from Illinois to Belfast, see what other customers have to say about American Airlines, KLM and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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
10,635 reviews
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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
1,561 reviews
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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.

Air France
7.6
Good
1,761 reviews
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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
14,489 reviews
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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.

Lufthansa
7.0
Good
7,643 reviews
Delta
8.0
Very Good
10,635 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

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 Illinois 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 Illinois to Belfast for under £600 on Cheapflights?

    Yes, there are multiple flights from Illinois to Belfast for under £600. The cheapest flight booked recently is on American Airlines for just £578, but on average you can expect to pay £653.

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

    £357 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from £489 and £620, respectively.

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

    The most popular route from Illinois 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?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), 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 Illinois to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois 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 Illinois to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois 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 Illinois to Belfast that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Belfast that allow pets onboard?

    Many airlines flying from Illinois 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 Illinois to Belfast?

    Yes, you can often find last-minute deals on Illinois 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 Illinois to Belfast flight deals updated?

    The Illinois to Belfast flight deals you see on this page were last updated on 19/5.

See more FAQs

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Alternative routes for Illinois to Belfast
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Search flights from Illinois to Belfast by cabin class

Find flights from Illinois to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first 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 Illinois to Belfast?

Deals for Illinois to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Belfast from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Belfast from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Illinois to Belfast flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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