How do I get Price Alerts for flights from Belfast to Chicago O'Hare Intl Airport?

Confirm your travel details to search for the latest offers for flights from Belfast to Chicago O'Hare Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Belfast to Chicago O'Hare Intl Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Belfast to Chicago O'Hare Intl Airport?

Prices for flights from Belfast to Chicago O'Hare Intl Airport are updated daily.

How old do you have to be to fly from Belfast to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£275 Cheap Flights from Belfast to Chicago O'Hare Intl Airport in 2026

Find the cheapest flights from Belfast to Chicago

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 09:00BFS Belfast Intl-ORD Chicago O'Hare Intl

32h 50m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

22:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

£611Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

13:50 - 16:10BFS Belfast Intl-ORD Chicago O'Hare Intl

32h 20m2 stops Manchester Kastrup Copenhagen

19:15 - 22:20ORD Chicago O'Hare Intl-BFS Belfast Intl

21h 05m2 stops Kastrup Copenhagen Manchester

£620Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

20:55 - 20:41BFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

14:15 - 20:40ORD Chicago O'Hare Intl-BFS Belfast Intl

24h 25m2 stops Toronto Pearson Intl Edinburgh Turnhouse

£625Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

07:30 - 19:15BFS Belfast Intl-ORD Chicago O'Hare Intl

17h 45m2 stops Manchester Dublin

15:45 - 21:05ORD Chicago O'Hare Intl-BFS Belfast Intl

23h 20m2 stops Dublin Manchester

£632Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

20:55 - 20:41BFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

11:05 - 20:40ORD Chicago O'Hare Intl-BFS Belfast Intl

27h 35m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Edinburgh Turnhouse

£636Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

21:10 - 19:48BFS Belfast Intl-ORD Chicago O'Hare Intl

28h 38m2 stops London Gatwick Toronto Pearson Intl

22:25 - 21:50ORD Chicago O'Hare Intl-BFS Belfast Intl

17h 25m2 stops Reykjavik Keflavik Intl Glasgow Intl

£639Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

06:10 - 19:48BFS Belfast Intl-ORD Chicago O'Hare Intl

19h 38m2 stops London Gatwick Toronto Pearson Intl

09:55 - 17:55ORD Chicago O'Hare Intl-BFS Belfast Intl

26h 00m3 stops Toronto Pearson Intl Madrid Barajas London Stansted

£643Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

06:10 - 20:12BFS Belfast Intl-ORD Chicago O'Hare Intl

20h 02m3 stops London Gatwick Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

19:25 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

£650Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

20:55 - 20:41BFS Belfast Intl-ORD Chicago O'Hare Intl

29h 46m3 stops London Gatwick Ottawa Toronto Island

19:25 - 16:15ORD Chicago O'Hare Intl-BFS Belfast Intl

14h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl

£660Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

06:05 - 13:21BFS Belfast Intl-ORD Chicago O'Hare Intl

37h 16m3 stops London Gatwick Ottawa Toronto Island

22:25 - 21:00ORD Chicago O'Hare Intl-BFS Belfast Intl

16h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester

£665Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

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British Airways flights from Belfast to Chicago O'Hare Intl Airport

Our best British Airways deals on Belfast to Chicago O'Hare Intl Airport flight tickets

British Airways

2 Dec

BHD06:35Belfast City

18h 10m

1 stop

ORD18:45Chicago O'Hare Intl

6 Dec

ORD17:10Chicago O'Hare Intl

11h 35m

1 stop

BHD10:45Belfast City

£757

British Airways

2 Dec

BHD09:15Belfast City

12h 15m

1 stop

ORD15:30Chicago O'Hare Intl

6 Dec

ORD14:31Chicago O'Hare Intl

17h 19m

2 stops

BHD13:50Belfast City

£758

British Airways

2 Dec

BHD12:20Belfast City

16h 10m

2 stops

ORD22:30Chicago O'Hare Intl

6 Dec

ORD13:22Chicago O'Hare Intl

15h 23m

2 stops

BHD10:45Belfast City

£760

Virgin Atlantic flights from Belfast to Chicago O'Hare Intl Airport

Our best Virgin Atlantic deals on Belfast to Chicago O'Hare Intl Airport flight tickets

Virgin Atlantic

2 Sept

BHD17:30Belfast City

26h 45m

1 stop

ORD14:15Chicago O'Hare Intl

30 Sept

ORD16:50Chicago O'Hare Intl

18h 05m

1 stop

BHD16:55Belfast City

£4,995

Virgin Atlantic

2 Sept

BHD17:30Belfast City

27h 29m

2 stops

ORD14:59Chicago O'Hare Intl

30 Sept

ORD16:50Chicago O'Hare Intl

10h 30m

1 stop

BHD09:20Belfast City

£4,996

momondo Fare Finder

Use the filters below to find and compare flights from Belfast to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 23/9

06:10-09:00

3 stops32h 50m

Chicago O'Hare Intl

Wed 30/9

22:25-21:10

2 stops16h 45m

£611

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 23/9

13:50-16:10

2 stops32h 20m

Chicago O'Hare Intl

Wed 30/9

19:15-22:20

2 stops21h 05m

£620

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 7/9

20:55-20:41

3 stops29h 46m

Chicago O'Hare Intl

Mon 14/9

14:15-20:40

2 stops24h 25m

£625

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 23/9

07:30-19:15

2 stops17h 45m

Chicago O'Hare Intl

Wed 30/9

15:45-21:05

2 stops23h 20m

£632

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 7/9

20:55-20:41

3 stops29h 46m

Chicago O'Hare Intl

Mon 14/9

11:05-20:40

3 stops27h 35m

£636

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 25/9

21:10-19:48

2 stops28h 38m

Chicago O'Hare Intl

Fri 2/10

22:25-21:50

2 stops17h 25m

£639

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Wed 23/9

06:10-19:48

2 stops19h 38m

Chicago O'Hare Intl

Wed 30/9

09:55-17:55

3 stops26h 00m

£643

Fastest return journey

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 21/9

06:10-20:12

3 stops20h 02m

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

£650

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 7/9

20:55-20:41

3 stops29h 46m

Chicago O'Hare Intl

Mon 14/9

19:25-16:15

2 stops14h 50m

£660

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 25/9

06:05-13:21

3 stops37h 16m

Chicago O'Hare Intl

Fri 2/10

22:25-21:00

3 stops16h 35m

£665

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Belfast to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Chicago O'Hare Intl Airport

Fastest flight time	18h 10m
Direct flights	None

The fastest flight from Belfast to Chicago O'Hare Intl Airport takes 18h 10m

There are no direct flights from Belfast to Chicago O'Hare Intl Airport. There are no popular flight routes from Belfast to Chicago O'Hare Intl Airport.

Search flight deals

Frequently asked questions about flying from Belfast to Chicago O'Hare Intl Airport

How far is Belfast to Chicago O'Hare Intl by plane?
A flight from Belfast to Chicago O'Hare Intl will travel around 3642.0 mi. Typically, this will take 18h 10m by plane in normal conditions.
When did momondo last update prices for flights from Belfast to Chicago O'Hare Intl Airport?
Prices for flights from Belfast to Chicago O'Hare Intl Airport are updated daily.
How old do you have to be to fly from Belfast to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Belfast to Chicago O'Hare Intl Airport

How do I get Price Alerts for flights from Belfast to Chicago O'Hare Intl Airport?
Confirm your travel details to search for the latest offers for flights from Belfast to Chicago O'Hare Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Belfast to Chicago O'Hare Intl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Belfast.

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

Yes. momondo allows you to filter the results for Belfast to Chicago flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Chicago.

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

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