£432 Find Cheap Flights from Chicago to Belfast

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Belfast departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Belfast

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Belfast, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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Cheap Flight Deals from Chicago to Belfast (MDW-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Chicago to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Chicago to Belfast

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Chicago to Belfast.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
MDW-BF1
3645 mimulti-stop
BF1-MDW
3645 mimulti-stop
Multiple Airlines
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Flights from Chicago to Belfast - Travel Insights & Trends

Get data-powered insights and trends into flights from Chicago to Belfast to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago Midway Airport to Belfast, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago Midway Airport to Belfast is December, where tickets cost £472 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is £947 and £933 respectively.

When to book flights from Chicago to Belfast

Are your dates flexible? Find out the best times to travel from Chicago to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Belfast flights

  • What is the cheapest flight from Chicago Midway Airport to Belfast?

    In the last 3 days, the lowest price for a flight from Chicago Midway Airport to Belfast was £543 for a one-way ticket.

  • Which aircraft models fly most regularly from Chicago to Belfast?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Belfast?

    SkyTeam is the only airline alliance operating flights between Chicago and Belfast.

  • How does KAYAK find such low prices on flights from Chicago to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Chicago to Belfast

Cheapest flights to Belfast from Chicago found in 2024 and 2025

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to Belfast found on KAYAK in the last 72 hours.
7/5Wed
2 stopsDelta
20h 55mMDW-BHD
£432

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Everything you need to know for your flight from Chicago to Belfast

Information on your arrival and departure airports

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