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

Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Belfast Intl Airport 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 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.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to Chicago O'Hare Intl Airport.

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

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$393 Cheap Flights from Belfast Intl Airport to Chicago O'Hare Intl Airport in 2026/27

Find the cheapest flights from Belfast Intl Airport to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 5:20 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

14h 50m2 stops Manchester Reykjavik Keflavik Intl

6:30 pm - 8:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

$706Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

6:30 am - 6:20 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

16h 50m2 stops London Gatwick Reykjavik Keflavik Intl

6:30 pm - 2:30 pmORD Chicago O'Hare Intl-BFS Belfast Intl

14h 00m2 stops Reykjavik Keflavik Intl London Gatwick

$841Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

5:05 pm - 3:30 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

28h 25m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

6:30 pm - 8:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

$861Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

9:00 pm - 2:10 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

23h 10m2 stops Manchester Dublin

3:55 pm - 12:30 pmORD Chicago O'Hare Intl-BFS Belfast Intl

14h 35m2 stops Dublin Manchester

$872Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

5:05 pm - 3:30 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

28h 25m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

6:30 pm - 9:40 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 10m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

$905Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

6:30 am - 7:58 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

19h 28m2 stops London Gatwick Toronto Pearson Intl

3:55 pm - 6:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

21h 00m3 stops Dublin Madrid Barajas London Stansted

$1,106Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

9:05 pm - 3:02 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

23h 57m3 stops Manchester Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

3:55 pm - 6:50 pmORD Chicago O'Hare Intl-BFS Belfast Intl

20h 55m3 stops Dublin Madrid Barajas London Stansted

$1,215Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

2:40 pm - 3:10 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

29h 30m2 stops London Stansted Dublin

6:25 pm - 6:50 pmORD Chicago O'Hare Intl-BFS Belfast Intl

18h 25m1 stop Paris Charles de Gaulle

$1,240Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

9:05 pm - 6:20 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

26h 15m3 stops Manchester Gdansk Rebiechowo Reykjavik Keflavik Intl

3:55 pm - 10:25 amORD Chicago O'Hare Intl-BFS Belfast Intl

12h 30m2 stops Dublin Bristol

$1,256Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

7:05 am - 4:15 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

15h 10m1 stop Paris Charles de Gaulle

6:30 pm - 8:25 pmORD Chicago O'Hare Intl-BFS Belfast Intl

19h 55m2 stops Reykjavik Keflavik Intl Manchester

$1,261Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 11/10

8:30 am-5:20 pm

2 stops14h 50m

Chicago O'Hare Intl

Tue 11/17

6:30 pm-8:55 pm

2 stops20h 25m

$706

Quickest round-trip

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 10/29

6:30 am-6:20 pm

2 stops16h 50m

Chicago O'Hare Intl

Tue 11/3

6:30 pm-2:30 pm

2 stops14h 00m

$841

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 11/10

5:05 pm-3:30 pm

3 stops28h 25m

Chicago O'Hare Intl

Tue 11/17

6:30 pm-8:55 pm

2 stops20h 25m

$861

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 11/13

9:00 pm-2:10 pm

2 stops23h 10m

Chicago O'Hare Intl

Fri 11/20

3:55 pm-12:30 pm

2 stops14h 35m

$872

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 11/10

5:05 pm-3:30 pm

3 stops28h 25m

Chicago O'Hare Intl

Tue 11/17

6:30 pm-9:40 pm

3 stops21h 10m

$905

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 11/12

6:30 am-7:58 pm

2 stops19h 28m

Chicago O'Hare Intl

Thu 11/19

3:55 pm-6:55 pm

3 stops21h 00m

$1,106

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 11/12

9:05 pm-3:02 pm

3 stops23h 57m

Chicago O'Hare Intl

Thu 11/19

3:55 pm-6:50 pm

3 stops20h 55m

$1,215

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 10/29

2:40 pm-3:10 pm

2 stops29h 30m

Chicago O'Hare Intl

Tue 11/3

6:25 pm-6:50 pm

1 stop18h 25m

$1,240

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 10/29

9:05 pm-6:20 pm

3 stops26h 15m

Chicago O'Hare Intl

Tue 11/3

3:55 pm-10:25 am

2 stops12h 30m

$1,256

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 11/10

7:05 am-4:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 11/17

6:30 pm-8:25 pm

2 stops19h 55m

$1,261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

When to book flights from Belfast Intl Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Belfast Intl Airport to Chicago O'Hare Intl Airport (BFS to ORD) flight deals and tips

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

Best Price Found	$393
Fastest flight time	18h 10m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from Belfast Intl Airport in the past 72 hours is $393. The best round-trip flight deal from Belfast Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $706.

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

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

Search flight deals

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

How far is Belfast Intl to Chicago O'Hare Intl by plane?
The straight-line distance from Belfast Intl to Chicago O'Hare Intl is 3629.9 mi. Typically, this will take 18h 10m by plane in normal conditions.
When did momondo last update prices for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport?
Prices for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport were last updated today.
How old do you have to be to fly from Belfast Intl Airport to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

How do I get Price Alerts for flights from Belfast Intl Airport to Chicago O'Hare Intl Airport?
Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Belfast Intl Airport 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 Belfast Intl Airport 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 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.

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Why use momondo?

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

It is quick and easy to find Belfast to Chicago 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 Chicago that suits you.

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

Flights from Belfast to Chicago 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 Belfast to Chicago?

Once all potential Belfast to Chicago 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 Belfast to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.