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.

$609 Cheap Flights from Belfast Intl Airport to Chicago O'Hare Intl Airport in 2026

Find the cheapest flights from Belfast Intl Airport to Chicago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 4:57 pm

BFS

ORD

40h 12m

3 stops

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

3 stops

$788Multiple Airlines

Sun, Aug 23 - Sun, Aug 30

10:45 pm - 8:05 pm

BFS

ORD

27h 20m

3 stops

7:25 pm - 10:20 pm

ORD

BFS

20h 55m

3 stops

$860Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

6:30 am - 4:57 pm

BFS

ORD

16h 27m

2 stops

7:25 pm - 11:20 pm

ORD

BFS

21h 55m

3 stops

$863Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

6:45 am - 4:57 pm

BFS

ORD

16h 12m

2 stops

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

3 stops

$864Multiple Airlines

Sun, Aug 23 - Sun, Aug 30

10:45 pm - 7:52 pm

BFS

ORD

27h 07m

2 stops

7:25 pm - 9:45 pm

ORD

BFS

20h 20m

2 stops

$879Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

6:30 am - 4:57 pm

BFS

ORD

16h 27m

2 stops

3:45 pm - 9:35 pm

ORD

BFS

23h 50m

2 stops

$887Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

6:30 am - 10:16 am

BFS

ORD

33h 46m

3 stops

7:25 pm - 11:20 pm

ORD

BFS

21h 55m

3 stops

$918Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

6:45 am - 4:57 pm

BFS

ORD

16h 12m

2 stops

10:25 pm - 9:00 pm

ORD

BFS

16h 35m

2 stops

$939Multiple Airlines

Sun, Aug 23 - Sun, Aug 30

5:45 pm - 12:40 pm

BFS

ORD

24h 55m

2 stops

3:45 pm - 6:55 pm

ORD

BFS

21h 10m

2 stops

$943Multiple Airlines

Wed, Aug 19 - Thu, Aug 27

5:45 pm - 12:40 pm

BFS

ORD

24h 55m

2 stops

9:45 am - 6:55 pm

ORD

BFS

27h 10m

3 stops

$973Multiple Airlines

Wed, Aug 19 - Thu, Aug 27

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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 - ORD

BFSORD

Belfast Intl

Sun 8/23

6:45 am-4:57 pm

3 stops40h 12m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-8:55 pm

3 stops19h 30m

$788

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/12

10:45 pm-8:05 pm

3 stops27h 20m

Chicago O'Hare Intl

Wed 8/19

7:25 pm-10:20 pm

3 stops20h 55m

$860

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/10

6:30 am-4:57 pm

2 stops16h 27m

Chicago O'Hare Intl

Mon 8/17

7:25 pm-11:20 pm

3 stops21h 55m

$863

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 8/23

6:45 am-4:57 pm

2 stops16h 12m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-8:55 pm

3 stops19h 30m

$864

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/12

10:45 pm-7:52 pm

2 stops27h 07m

Chicago O'Hare Intl

Wed 8/19

7:25 pm-9:45 pm

2 stops20h 20m

$879

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/10

6:30 am-4:57 pm

2 stops16h 27m

Chicago O'Hare Intl

Mon 8/17

3:45 pm-9:35 pm

2 stops23h 50m

$887

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/10

6:30 am-10:16 am

3 stops33h 46m

Chicago O'Hare Intl

Mon 8/17

7:25 pm-11:20 pm

3 stops21h 55m

$918

Quickest round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 8/23

6:45 am-4:57 pm

2 stops16h 12m

Chicago O'Hare Intl

Sun 8/30

10:25 pm-9:00 pm

2 stops16h 35m

$939

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/19

5:45 pm-12:40 pm

2 stops24h 55m

Chicago O'Hare Intl

Thu 8/27

3:45 pm-6:55 pm

2 stops21h 10m

$943

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/19

5:45 pm-12:40 pm

2 stops24h 55m

Chicago O'Hare Intl

Thu 8/27

9:45 am-6:55 pm

3 stops27h 10m

$973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Fastest flight time	25h 40m
Direct flights	None

The fastest flight from Belfast Intl Airport to Chicago O'Hare Intl Airport takes 25h 40m

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 25h 40m 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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Schaumburg

South Haven

Rockford

Merrillville

Gurnee

Rosemont

Naperville

Orland Park

Oak Brook

New Buffalo

Joliet

Kenosha

Hammond

Aurora

Racine

Janesville

Elgin

Evanston

South Holland

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.