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

Delta, at $678, was found to be the cheapest airline from Chicago to Belfast.Alternate airlines to your destination round-trip include Undisclosed Carrier and American Airlines. These flights start at 16% lower than the current average price 3 months from now.

What are the most popular routes from Chicago to Belfast?

Most travelers choose Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast City when deciding on the best route from Chicago to Belfast.

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 Delta for just $678, but on average you can expect to pay $1,045.

Which airlines flying from Chicago to Belfast have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways and American Airlines flying from Chicago to Belfast have implemented new flexible cancellation policies.

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

Flights from Chicago to Belfast lean towards being more expensive in July. Prices are generally better when you fly from Chicago to Belfast in January, with the cheapest ticket starting at $578.

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 Flights from Chicago, IL to Belfast, Northern Ireland from $384 - Find Tickets & Airfare Deals at Cheapflights.com

How to find the cheapest flight from Chicago (CHI) to Belfast

Popular in	July
Cheapest in	January
Round-trip from	$578
One-way from	$403

High demand for flights, 37% potential price rise

Search Deals

Best time to find cheap flights, 29% potential price drop

Search Deals

From Chicago (CHI) to Belfast

Search Deals

One-way flight from Chicago (CHI) to Belfast

Search Deals

CHI - BFS Price	$578 - $1,289
BFS Temperature	41 - 60.8 °F
BFS Rainfall	2 - 3.5 inches

CHI - BFS

Price

$578 - $1,289

BFS

Temperature

41 - 60.8 °F

BFS

Rainfall

2 - 3.5 inches

Cheap flights from Chicago to Belfast in May, June 2023

Scroll through some of the best deals on flights from Chicago to Belfast in 2023. Check back soon for alternative fares.

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

10h 10m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,101

American Airlines

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

18h 07m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,104

American Airlines

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

10h 10m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

12h 00m

$1,119

Multiple Airlines

Deal found 5/24

Jun 11 - Feb 5

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

11h 36m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

11h 35m

$1,134

Undisclosed Carrier

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

2 stops

35h 00m

BFS

Belfast Intl

ORD

Chicago O'Hare Intl

3 stops

29h 35m

$1,142

Multiple Airlines

Deal found 5/24

Jun 11 - Feb 5

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

20h 54m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

30h 40m

$1,148

Undisclosed Carrier

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

2 stops

35h 00m

BFS

Belfast Intl

ORD

Chicago O'Hare Intl

2 stops

29h 35m

$1,167

Multiple Airlines

Deal found 5/24

Jun 5 - Mar 19

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

18h 35m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

27h 20m

$1,176

Delta

Deal found 5/24

Jun 5 - Mar 19

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

18h 35m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

31h 24m

$1,187

Delta

Deal found 5/24

Chicago to Belfast 2023 flight deals

Scroll through some of the best deals on flights from Chicago to Belfast in 2023. Check back soon for alternative fares.

Oct 1 - Oct 18

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

21h 00m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

26h 55m

$678

Delta

Deal found 5/24

Oct 1 - Oct 18

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

11h 25m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

13h 15m

$679

Multiple Airlines

Deal found 5/24

Oct 1 - Oct 18

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

15h 22m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

31h 12m

$688

Delta

Deal found 5/24

Oct 1 - Oct 18

MDW

Chicago Midway

BHD

Belfast City

2 stops

20h 55m

BHD

Belfast City

MDW

Chicago Midway

2 stops

29h 30m

$688

Delta

Deal found 5/24

Aug 10 - Aug 20

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

21h 00m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

26h 55m

$1,052

Delta

Deal found 5/25

Aug 10 - Aug 20

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

21h 00m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

29h 19m

$1,062

Delta

Deal found 5/25

Aug 10 - Aug 19

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

17h 27m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

16h 41m

$1,070

Undisclosed Carrier

Deal found 5/25

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

10h 10m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,101

American Airlines

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

18h 07m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,104

American Airlines

Deal found 5/24

Cheap American Airlines flights from Chicago to Belfast

Peruse some of the lowest-priced American Airlines flights we've found from Chicago to Belfast. It's recommended that users confirm their flight details before booking.

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

10h 10m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,101

American Airlines

Deal found 5/24

Jun 11 - Feb 6

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

18h 07m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

20h 40m

$1,104

American Airlines

Deal found 5/24

Jul 14 - Jul 21

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

20h 47m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

16h 20m

$1,327

American Airlines

Deal found 5/24

Jul 14 - Jul 21

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

20h 25m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

13h 20m

$1,330

American Airlines

Deal found 5/24

Jun 21 - Jun 27

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

14h 40m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

27h 30m

$1,409

American Airlines

Deal found 5/24

Jun 21 - Jun 27

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

19h 44m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

29h 40m

$1,413

American Airlines

Deal found 5/24

Jun 9 - Jun 11

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

11h 45m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

24h 05m

$1,488

American Airlines

Deal found 5/25

Jun 9 - Jun 11

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

14h 54m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

24h 05m

$1,493

American Airlines

Deal found 5/25

Jun 9 - Jun 11

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

16h 10m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

16h 29m

$1,501

American Airlines

Deal found 5/25

Cheap Undisclosed Carrier flights from Chicago to Belfast

To aid your search, here are some of the cheapest Undisclosed Carrier flights we've found from Chicago to Belfast. Ensure the flight price, dates, time, and airline match your criteria before you book.

Aug 10 - Aug 19

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

17h 27m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

16h 41m

$1,070

Undisclosed Carrier

Deal found 5/25

Jun 11 - Feb 5

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

11h 36m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

11h 35m

$1,134

Undisclosed Carrier

Deal found 5/24

Jun 11 - Feb 5

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

20h 54m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

30h 40m

$1,148

Undisclosed Carrier

Deal found 5/24

Jul 5 - Jul 13

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

10h 15m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

11h 50m

$1,263

Undisclosed Carrier

Deal found 5/24

Jul 14 - Jul 20

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

17h 35m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

14h 20m

$1,333

Undisclosed Carrier

Deal found 5/24

Jul 5 - Jul 12

ORD

Chicago O'Hare Intl

BHD

Belfast City

1 stop

13h 39m

BHD

Belfast City

ORD

Chicago O'Hare Intl

1 stop

13h 25m

$1,437

Undisclosed Carrier

Deal found 5/24

Jul 5 - Jul 12

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

14h 20m

BHD

Belfast City

ORD

Chicago O'Hare Intl

2 stops

17h 08m

$1,441

Undisclosed Carrier

Deal found 5/24

One-way flights to Belfast from Chicago

Users traveling one-way from Chicago to Belfast can select one of these great deals. Those needing a return flight from Chicago to Belfast can use the search form above.

Jul 10

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

3 stops

41h 26m

$384

Multiple Airlines

Deal found 5/24

Jul 10

ORD

Chicago O'Hare Intl

BHD

Belfast City

3 stops

40h 21m

$399

Multiple Airlines

Deal found 5/24

Jul 11

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

2 stops

38h 57m

$403

Multiple Airlines

Deal found 5/24

Jul 5

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

2 stops

56h 40m

$431

Multiple Airlines

Deal found 5/24

Jul 5

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

3 stops

53h 57m

$445

Multiple Airlines

Deal found 5/24

Jul 11

ORD

Chicago O'Hare Intl

BHD

Belfast City

2 stops

19h 17m

$448

Multiple Airlines

Deal found 5/24

Jul 12

ORD

Chicago O'Hare Intl

BFS

Belfast Intl

2 stops

30h 00m

$450

Multiple Airlines

Deal found 5/24

Jul 7

MDW

Chicago Midway

BFS

Belfast Intl

2 stops

44h 30m

$461

Multiple Airlines

Deal found 5/24

Jul 12

MDW

Chicago Midway

BFS

Belfast Intl

2 stops

26h 20m

$467

Multiple Airlines

Deal found 5/24

Find flights from Chicago to Belfast within your budget

Fly from

Fly to

Budget

$678 - $1,802

Route

Depart

Return

Price

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 10/1

2 stops21h 00m

Belfast City

Wed 10/18

1 stop26h 55m

$678

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 10/1

1 stop11h 25m

Belfast City

Wed 10/18

1 stop13h 15m

$679

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 10/1

2 stops15h 22m

Belfast City

Wed 10/18

2 stops31h 12m

$688

Pick Dates

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Sun 10/1

2 stops20h 55m

Belfast City

Wed 10/18

2 stops29h 30m

$688

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 8/10

2 stops17h 27m

Belfast City

Sat 8/19

2 stops16h 41m

$1,070

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 6/11

1 stop10h 10m

Belfast City

Tue 2/6

2 stops20h 40m

$1,101

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 6/11

2 stops18h 07m

Belfast City

Tue 2/6

2 stops20h 40m

$1,104

Pick Dates

Chicago O'Hare IntlBelfast City

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 8/10

1 stop12h 05m

Belfast City

Sun 8/20

1 stop12h 25m

$1,143

Pick Dates

Chicago MidwayBelfast City

MDW - BHD

MDWBHD

Chicago Midway

Fri 7/14

2 stops16h 06m

Belfast City

Fri 7/21

2 stops16h 32m

$1,802

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing Belfast

See what other customers who have flown with American Airlines, Undisclosed Carrier and British Airways from Chicago to Belfast have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

Delta

8.0

Very good

2,341 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

KLM

7.6

Good

159 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

Air France

7.6

Good

188 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

American Airlines

7.4

Good

2,147 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

Aer Lingus

6.8

Okay

272 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

They lost our bags and we had to come back to the airport 3 separate times. It took over 24 hours to get our bags back and multiple taxi fares. Horrible experience.

Related info for your journey

ORD stands for Chicago O'Hare Intl Airport, while BFS stands for Belfast Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are some additional IATA codes for airports related to your trip.

Top 2 airlines flying from Chicago to Belfast

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
British Airways	Cheapest$555	Average$801	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search British Airways flights
American Airlines	Cheapest$560	Average$602	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights

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Cheap flights from Chicago (CHI) to Belfast from $384

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.

How to find the cheapest flight from Chicago (CHI) to Belfast

All the information you need to plan the best CHI to BF1 flight in 2023: compare Chicago to Belfast flight prices with the expected peak season, weather and rainfall in Belfast.

Popular in

Cheapest in

Round-trip from

One-way from

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

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

Cheap flights from Chicago to Belfast in May, June 2023

The best prices found for CHI to Belfast flights for May, June

Scroll through some of the best deals on flights from Chicago to Belfast in 2023. Check back soon for alternative fares.

Chicago to Belfast 2023 flight deals

Cheap flights to Belfast from Chicago found for this year

Scroll through some of the best deals on flights from Chicago to Belfast in 2023. Check back soon for alternative fares.

Cheap American Airlines flights from Chicago to Belfast

Peruse some of the lowest-priced American Airlines flights we've found from Chicago to Belfast. It's recommended that users confirm their flight details before booking.

Cheap Undisclosed Carrier flights from Chicago to Belfast

To aid your search, here are some of the cheapest Undisclosed Carrier flights we've found from Chicago to Belfast. Ensure the flight price, dates, time, and airline match your criteria before you book.

One-way flights to Belfast from Chicago

The cheapest one-way flights from Chicago to Belfast

Users traveling one-way from Chicago to Belfast can select one of these great deals. Those needing a return flight from Chicago to Belfast can use the search form above.

Find flights from Chicago to Belfast within your budget

Use the slider to find flights from Chicago to Belfast that fit your budget.

Reviews of Airlines Servicing Belfast

See what other customers who have flown with American Airlines, Undisclosed Carrier and British Airways from Chicago to Belfast have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Chicago to Belfast flights.

Which airlines flying from Chicago to Belfast have flexible cancellations due to COVID-19?

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

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

What are the most popular routes from Chicago to Belfast?

What does ORD to BFS mean?

Other flights from Chicago

Flights to Belfast from Chicago

Rent a Car

Top 2 airlines flying from Chicago to Belfast

The chart below displays the airlines Cheapflights users traveling from Chicago to Belfast choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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