ORD - BFS

$258 Find Cheap Flights from Chicago to Belfast Intl Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Belfast Intl departing on 2/15. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Belfast, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$727
Multiple Airlines
Mon 3/9Mon 3/16
ORD - BFS • 2 stops
Cheapest one-way
$258
Multiple Airlines
Sun 2/15
ORD - BFS • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Belfast Intl!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Chicago to Belfast Intl (ORD-BFS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Belfast Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Belfast Intl

Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
7:30 pm - 7:05 pm
ORD
-
BFS
18h 35m
2 stops
Multiple Airlines Logo
6:30 am - 6:20 pm
BFS
-
ORD
16h 50m
2 stops
$727Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
7:30 pm - 9:30 pm
ORD
-
BFS
21h 00m
3 stops
Multiple Airlines Logo
6:30 am - 6:20 pm
BFS
-
ORD
16h 50m
2 stops
$732Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
7:05 pm - 7:30 pm
ORD
-
BFS
18h 25m
2 stops
Multiple Airlines Logo
8:15 pm - 6:15 pm
BFS
-
ORD
28h 00m
3 stops
$749Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
12:50 pm - 8:25 pm
ORD
-
BFS
26h 35m
3 stops
Multiple Airlines Logo
7:05 am - 7:25 pm
BFS
-
ORD
17h 20m
2 stops
$760Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
7:15 am - 8:25 pm
ORD
-
BFS
32h 10m
3 stops
Multiple Airlines Logo
6:30 am - 12:07 am
BFS
-
ORD
46h 37m
3 stops
$811Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
7:05 pm - 7:30 pm
ORD
-
BFS
18h 25m
2 stops
Multiple Airlines Logo
6:45 am - 6:15 pm
BFS
-
ORD
17h 30m
2 stops
$820Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
5:05 pm - 8:25 pm
ORD
-
BFS
22h 20m
2 stops
Multiple Airlines Logo
7:05 am - 7:25 pm
BFS
-
ORD
17h 20m
2 stops
$834Multiple Airlines
Fri, Mar 20 - Sat, Mar 28
Multiple Airlines Logo
7:15 am - 3:10 pm
ORD
-
BFS
26h 55m
3 stops
Multiple Airlines Logo
7:50 pm - 12:07 am
BFS
-
ORD
33h 17m
3 stops
$1,051Multiple Airlines
Sat, Mar 21 - Fri, Mar 27
Multiple Airlines Logo
5:05 pm - 10:40 pm
ORD
-
BFS
24h 35m
2 stops
Multiple Airlines Logo
8:05 am - 9:05 pm
BFS
-
ORD
18h 00m
2 stops
$1,054Multiple Airlines
Sun, Mar 22 - Mon, Mar 30
Multiple Airlines Logo
5:25 pm - 1:40 pm
ORD
-
BFS
15h 15m
1 stop
Multiple Airlines Logo
10:05 am - 10:16 pm
BFS
-
ORD
18h 11m
2 stops
$1,155Multiple Airlines
Useful Info

Good to know

Low seasonMay
Cheapest flight$258
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Chicago to Belfast Intl Airport

When to book flights from Chicago to Belfast Intl

Are your dates flexible? Find out the best times to travel from Chicago to Belfast Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Belfast Intl Airport flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Belfast Intl Airport?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Belfast Intl Airport was $258 for a one-way ticket and $727 for a round-trip.

  • Do I need a passport to fly between Chicago and Belfast Intl Airport?

    Yes

  • Which aircraft models fly most regularly from Chicago to Belfast Intl Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Belfast Intl Airport?

    oneworld is the only airline alliance operating flights between Chicago and Belfast Intl Airport.

  • How does KAYAK find such low prices on flights from Chicago to Belfast Intl Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Belfast Intl Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Belfast Intl Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Belfast Intl Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast Intl Airport with an airline and back to Chicago with another airline. Booking your flights between Chicago and BFS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Belfast Intl Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Chicago to Belfast Intl

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Belfast. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Belfast Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.7
British AirwaysOverall score based on 7702 reviews
7.6Crew
6.4Food
6.9Boarding
6.4Entertainment
6.8Comfort
Airline reviews

The issue was not with BA it was with the link yoiu sent fopr booking the flight

2.0 MediocreAnonymous, Jan 2026
LAX - LHR
Read more British Airways reviews

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Awful it always is unfortunately is the only way to fly direct to london

I travelled in business class and was disappointed by lack of service, curt and borderline rude time of the crew and to top it off, all of my luggage was delayed. It was like pulling teeth to even report the missing luggage and recover it the next day from the airport.

Boarding was poor. All groups called immediately one after the other resulting in a long queue in the jetty/jet bridge. Seats were very hard and and did not recline on a 4.5 hour flight. No food was available. Plane was cold. There was no entertainment.

The cramped seats are cruel and unusual punishment and may violate the Geneva code.

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

The flight was excellent in World Travellor plus. Well worth the extra money. Boarding at Phoenix was the usual poorly organized event. Very stressful.

Although business class, the seating was really cramped. The food was so so.

Everything you need to know for your flight from Chicago to Belfast Intl

Information on your arrival and departure airports

Chicago (ORD)
Belfast Intl (BFS)