Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Belfast from $410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belfast departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:45 pm - 2:15 pmORD-BHD
10h 30m1 stop
British Airways Logo
12:10 pm - 2:50 pmBHD-ORD
31h 40m1 stop
$701British Airways
Find Deal
Wed, Mar 18 - Sun, Mar 22
Multiple Airlines Logo
6:30 pm - 10:40 pmORD-BFS
22h 10m2 stops
Multiple Airlines Logo
6:30 am - 3:00 pmBFS-ORD
38h 30m3 stops
$708Multiple Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Virgin Atlantic Logo
4:25 pm - 9:00 pmORD-BHD
22h 35m1 stop
Virgin Atlantic Logo
6:30 am - 2:20 pmBHD-ORD
13h 50m1 stop
$712Virgin Atlantic
Find Deal
Wed, Dec 3 - Sun, Dec 7
Virgin Atlantic Logo
4:25 pm - 9:00 pmORD-BHD
22h 35m1 stop
Virgin Atlantic Logo
6:30 am - 12:01 amBHD-ORD
23h 31m2 stops
$722Virgin Atlantic
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
6:10 pm - 4:55 pmORD-BHD
16h 45m2 stops
Delta Logo
6:30 am - 2:20 pmBHD-ORD
13h 50m1 stop
$742Delta
Find Deal
Fri, Apr 3 - Tue, Apr 7
Delta Logo
9:20 am - 4:55 pmMDW-BHD
25h 35m2 stops
Delta Logo
5:25 pm - 9:56 amBHD-MDW
46h 31m2 stops
$758Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
KLM Logo
4:25 pm - 9:00 pmORD-BHD
22h 35m1 stop
KLM Logo
6:30 am - 2:20 pmBHD-ORD
13h 50m1 stop
$764KLM
Find Deal
Wed, Dec 3 - Sun, Dec 7
KLM Logo
6:10 pm - 4:55 pmORD-BHD
16h 45m2 stops
KLM Logo
6:30 am - 2:20 pmBHD-ORD
13h 50m1 stop
$794KLM
Find Deal
Fri, Apr 3 - Tue, Apr 7
American Airlines Logo
1:17 pm - 9:10 amORD-BHD
13h 53m2 stops
American Airlines Logo
6:30 am - 1:50 pmBHD-ORD
13h 20m1 stop
$967American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
1:17 pm - 9:10 amORD-BHD
13h 53m2 stops
American Airlines Logo
12:10 pm - 9:20 pmBHD-ORD
15h 10m2 stops
$977American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7

KLM flights from Chicago to Belfast

Our best KLM deals on Chicago to Belfast flight tickets
KLM
Dec 3
ORD4:25 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:00 pmBelfast City
Dec 7
BHD6:30 amBelfast City
13h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$764
Find similar
KLM
Apr 3
ORD6:10 pmChicago O'Hare Intl
16h 45m
2 stops
BHD4:55 pmBelfast City
Apr 7
BHD6:30 amBelfast City
13h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$794
Find similar
KLM
Nov 21
ORD4:25 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:00 pmBelfast City
Nov 28
BHD6:30 amBelfast City
13h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$1,352
Find similar

American Airlines flights from Chicago to Belfast

Our best American Airlines deals on Chicago to Belfast flight tickets
American Airlines
Dec 3
ORD1:17 pmChicago O'Hare Intl
13h 53m
2 stops
BHD9:10 amBelfast City
Dec 7
BHD6:30 amBelfast City
13h 20m
1 stop
ORD1:50 pmChicago O'Hare Intl
$967
Find similar
American Airlines
Dec 3
ORD1:17 pmChicago O'Hare Intl
13h 53m
2 stops
BHD9:10 amBelfast City
Dec 7
BHD12:10 pmBelfast City
15h 10m
2 stops
ORD9:20 pmChicago O'Hare Intl
$977
Find similar
American Airlines
Dec 30
ORD6:30 pmChicago O'Hare Intl
11h 00m
1 stop
BHD11:30 amBelfast City
Jan 5
BHD6:35 amBelfast City
17h 21m
2 stops
ORD5:56 pmChicago O'Hare Intl
$1,055
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Chicago to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/18

10:45 pm-2:15 pm

1 stop10h 30m

Belfast City

Sun 3/22

12:10 pm-2:50 pm

1 stop31h 40m

$701

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 11/15

6:30 pm-10:40 pm

2 stops22h 10m

Belfast Intl

Tue 11/18

6:30 am-3:00 pm

3 stops38h 30m

$708

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Sun 12/7

6:30 am-2:20 pm

1 stop13h 50m

$712

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Sun 12/7

6:30 am-12:01 am

2 stops23h 31m

$722

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 4/3

6:10 pm-4:55 pm

2 stops16h 45m

Belfast City

Tue 4/7

6:30 am-2:20 pm

1 stop13h 50m

$742

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 4/1

9:20 am-4:55 pm

2 stops25h 35m

Belfast City

Sun 4/5

5:25 pm-9:56 am

2 stops46h 31m

$758

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Sun 12/7

6:30 am-2:20 pm

1 stop13h 50m

$764

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 4/3

6:10 pm-4:55 pm

2 stops16h 45m

Belfast City

Tue 4/7

6:30 am-2:20 pm

1 stop13h 50m

$794

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

1:17 pm-9:10 am

2 stops13h 53m

Belfast City

Sun 12/7

6:30 am-1:50 pm

1 stop13h 20m

$967

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

1:17 pm-9:10 am

2 stops13h 53m

Belfast City

Sun 12/7

12:10 pm-9:20 pm

2 stops15h 10m

$977

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Chicago to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Chicago to Belfast is on a Wednesday when prices can be found for as low as $649. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Belfast for around $938.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Chicago to Belfast flights are usually those with departure times in the evening. Our users have found flights to Belfast in the evening for as low as $769. Try not to purchase tickets in the afternoon because they tend to be around $804. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Chicago to Belfast flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago to Belfast. There are no popular flight routes from Chicago to Belfast.
Search flight deals

  • How far is Chicago to Belfast by plane?

    Chicago and Belfast are 3636.7 mi apart from one another. Typically, this will take 10h 30m 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 many operators does momondo search for flights from Chicago to Belfast?

  • 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 AirwaysPriceFrom $577Free CancellationRating
6.7
7,496 reviews
Search British Airways flights

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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

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
Belfast Intl Airport
Belfast City Airport