US$449️ Cheap Flights from Chicago to Belfast (2024)

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Chicago to Belfast - Flights Starting at US$449

Book one-way or return flights from Chicago to Belfast from as little as US$449. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Chicago to Belfast

View airlines operating flights from Chicago to Belfast. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines

From US$449

United Airlines

From US$522

Icelandair

From US$544

British Airways

From US$545

Lufthansa

From US$554

Jetblue Airways

From US$582

Virgin Atlantic

From US$598

Spirit Airlines

From US$603

KLM Royal Dutch Airlines

From US$612

Iberia

From US$613

ANA airlines

Find more flights and airlines

Alternative Routes from Chicago to Belfast

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Chicago to Belfast.

Cheapest
ORD
08:10
17h 30m
1 transfer
BFS
07:40
O'Hare International Airport - Belfast International Airport
Wed, Jun 19American Airlines
US$449
ORD
18:00
15h 25m
1 transfer
BHD
15:25
O'Hare International Airport - George Best Belfast City Airport
Wed, Jun 19American Airlines
US$456
MDW
17:45
17h 5m
2 transfer
BHD
16:50
Midway International Airport - George Best Belfast City Airport
Wed, Jun 19KLM
US$830
MDW
17:45
17h 5m
2 transfer
BHD
16:50
Midway International Airport - George Best Belfast City Airport
Wed, Jun 19KLM
US$830
Find More Flights

Frequently Asked Questions

When are flight tickets from Chicago (CHI) to Belfast (BFS) the cheapest?
Airlines adjust prices for flights from Chicago to Belfast based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Chicago (CHI) to Belfast (BFS) cost?
According to Trip.com's data, the lowest price is around $1,792.
What is the transportation method from the main airport to downtown in Belfast?
- The distance from Belfast International Airport to downtown is about 19km. It takes about 30 minutes by taxi.
- The distance from George Best Belfast City Airport to downtown is about 4km. It takes about 20 minutes by taxi.

How to find a cheap flight from Chicago to Belfast

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Belfast. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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