How do I get Price Alerts for flights from Chicago to Belfast?

Price Alerts will notify you by email when the price for flights to Belfast from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Chicago to Belfast with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Chicago to Belfast?

Prices for flights from Chicago to Belfast were last updated today.

How old do you have to be to fly from Chicago to Belfast?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$865 Cheap Flights from Chicago to Belfast in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Belfast

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 10:50 amORD Chicago O'Hare Intl-BHD Belfast City

11h 40m1 stop London Heathrow

8:50 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

15h 55m1 stop London Heathrow

$865British Airways

Mon, Mar 8 - Thu, Mar 11

12:31 pm - 9:05 amORD Chicago O'Hare Intl-BHD Belfast City

14h 34m2 stops New York John F Kennedy Intl London Heathrow

8:50 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

15h 55m1 stop London Heathrow

$869British Airways

Mon, Mar 8 - Thu, Mar 11

7:25 pm - 2:35 pmORD Chicago O'Hare Intl-BHD Belfast City

13h 10m1 stop London Heathrow

7:35 pm - 12:10 pmBHD Belfast City-ORD Chicago O'Hare Intl

22h 35m1 stop London Heathrow

$869Iberia

Sun, Apr 4 - Mon, Apr 12

5:00 pm - 10:45 amORD Chicago O'Hare Intl-BHD Belfast City

11h 45m1 stop London Heathrow

11:35 am - 6:59 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 24m1 stop London Heathrow

$878British Airways

Tue, Apr 6 - Wed, Apr 21

3:59 pm - 2:15 pmORD Chicago O'Hare Intl-BHD Belfast City

16h 16m2 stops New York John F Kennedy Intl London Heathrow

11:05 am - 10:00 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 55m2 stops London Heathrow New York John F Kennedy Intl

$879British Airways

Mon, Mar 8 - Thu, Mar 11

6:10 pm - 2:15 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 05m1 stop London Heathrow

6:45 am - 7:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

18h 00m1 stop London Heathrow

$888British Airways

Mon, Mar 22 - Fri, Mar 26

5:10 pm - 10:50 amORD Chicago O'Hare Intl-BHD Belfast City

11h 40m1 stop London Heathrow

12:20 pm - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

12h 25m1 stop London Heathrow

$890British Airways

Mon, Mar 1 - Wed, Mar 3

10:10 am - 9:00 amORD Chicago O'Hare Intl-BHD Belfast City

16h 50m2 stops Newark London Heathrow

11:35 am - 6:59 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 24m1 stop London Heathrow

$890British Airways

Tue, Apr 6 - Wed, Apr 21

5:10 pm - 10:50 amORD Chicago O'Hare Intl-BHD Belfast City

11h 40m1 stop London Heathrow

12:20 pm - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

12h 25m1 stop London Heathrow

$891British Airways

Mon, Mar 1 - Wed, Mar 3

7:35 pm - 4:55 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 20m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:30 pm - 2:00 pmBHD Belfast City-ORD Chicago O'Hare Intl

26h 30m1 stop Amsterdam Schiphol

$909KLM

Sun, Apr 4 - Mon, Apr 12

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British Airways flights from Chicago to Belfast

Our best British Airways deals on Chicago to Belfast flight tickets

British Airways

Mar 8

ORD5:10 pmChicago O'Hare Intl

11h 40m

1 stop

BHD10:50 amBelfast City

Mar 11

BHD8:50 amBelfast City

15h 55m

1 stop

ORD6:45 pmChicago O'Hare Intl

$865

British Airways

Mar 8

ORD12:31 pmChicago O'Hare Intl

14h 34m

2 stops

BHD9:05 amBelfast City

Mar 11

BHD8:50 amBelfast City

15h 55m

1 stop

ORD6:45 pmChicago O'Hare Intl

$869

British Airways

Apr 6

ORD5:00 pmChicago O'Hare Intl

11h 45m

1 stop

BHD10:45 amBelfast City

Apr 21

BHD11:35 amBelfast City

13h 24m

1 stop

ORD6:59 pmChicago O'Hare Intl

$878

Aer Lingus flights from Chicago to Belfast

Our best Aer Lingus deals on Chicago to Belfast flight tickets

Aer Lingus

Dec 17

ORD8:05 pmChicago O'Hare Intl

15h 35m

2 stops

BHD5:40 pmBelfast City

Dec 23

BHD10:10 amBelfast City

14h 10m

2 stops

ORD6:20 pmChicago O'Hare Intl

$1,373

Aer Lingus

Dec 17

ORD3:55 pmChicago O'Hare Intl

15h 15m

2 stops

BHD1:10 pmBelfast City

Dec 23

BHD6:50 amBelfast City

17h 30m

2 stops

ORD6:20 pmChicago O'Hare Intl

$1,381

Aer Lingus

Dec 17

ORD3:55 pmChicago O'Hare Intl

15h 15m

2 stops

BHD1:10 pmBelfast City

Dec 23

BHD6:20 pmBelfast City

25h 50m

2 stops

ORD2:10 pmChicago O'Hare Intl

$1,384

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/8

5:10 pm-10:50 am

1 stop11h 40m

Belfast City

Thu 3/11

8:50 am-6:45 pm

1 stop15h 55m

$865

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/8

12:31 pm-9:05 am

2 stops14h 34m

Belfast City

Thu 3/11

8:50 am-6:45 pm

1 stop15h 55m

$869

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 4/4

7:25 pm-2:35 pm

1 stop13h 10m

Belfast City

Mon 4/12

7:35 pm-12:10 pm

1 stop22h 35m

$869

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 4/6

5:00 pm-10:45 am

1 stop11h 45m

Belfast City

Wed 4/21

11:35 am-6:59 pm

1 stop13h 24m

$878

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/8

3:59 pm-2:15 pm

2 stops16h 16m

Belfast City

Thu 3/11

11:05 am-10:00 pm

2 stops16h 55m

$879

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/22

6:10 pm-2:15 pm

1 stop15h 05m

Belfast City

Fri 3/26

6:45 am-7:45 pm

1 stop18h 00m

$888

Quickest round-trip

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/1

5:10 pm-10:50 am

1 stop11h 40m

Belfast City

Wed 3/3

12:20 pm-6:45 pm

1 stop12h 25m

$890

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 4/6

10:10 am-9:00 am

2 stops16h 50m

Belfast City

Wed 4/21

11:35 am-6:59 pm

1 stop13h 24m

$890

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 3/1

5:10 pm-10:50 am

1 stop11h 40m

Belfast City

Wed 3/3

12:20 pm-6:45 pm

1 stop12h 25m

$891

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 4/4

7:35 pm-4:55 pm

2 stops15h 20m

Belfast City

Mon 4/12

5:30 pm-2:00 pm

1 stop26h 30m

$909

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Chicago to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Belfast

Best Price Found	$865
Fastest flight time	10h 25m
Direct flights	None

The best flight deal from Chicago to Belfast found on momondo in the last 72 hours is $865

The fastest flight from Chicago to Belfast takes 10h 25m

There are no direct flights from Chicago to Belfast. There are no popular flight routes from Chicago to Belfast.

Search flight deals

Frequently asked questions about flying from Chicago to Belfast

How far is Chicago to Belfast by plane?
Chicago and Belfast are 3636.7 mi apart from one another. Typically, this will take 10h 25m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Belfast?
Prices for flights from Chicago to Belfast were last updated today.
How old do you have to be to fly from Chicago to Belfast?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Belfast

Compare and see reviews for airlines that fly from Chicago to Belfast with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $791	Free Cancellation	Rating 6.7 8,285 reviews		Search British Airways flights

Frequently asked questions about flying from Chicago to Belfast

How do I get Price Alerts for flights from Chicago to Belfast?
Price Alerts will notify you by email when the price for flights to Belfast from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Chicago to Belfast with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Belfast?

It is quick and easy to find Chicago to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Chicago to Belfast with flexible booking policies on momondo?

Flights from Chicago to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Belfast?

Once all potential Chicago to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast trip

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Cheap flights from Chicago to Belfast from $865

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belfast departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Belfast

Cheap round-trip flights

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Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from Chicago to Belfast

Our best British Airways deals on Chicago to Belfast flight tickets

Aer Lingus flights from Chicago to Belfast

Our best Aer Lingus deals on Chicago to Belfast flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Belfast that are best for you.

Cheap Chicago to Belfast flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Belfast

Best airlines flying from Chicago to Belfast

Compare and see reviews for airlines that fly from Chicago to Belfast with momondo

Frequently asked questions about flying from Chicago to Belfast

Why use momondo?

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast

Fly your favorite airline to Belfast

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Chicago

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year