Cheap Flights from Reykjavik (KEF) to Chicago (CHIA)

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy
      Icelandair
      Lufthansa
      Air Canada
      United
      Brussels Airlines
      Austrian Airlines

      Compare Reykjavik Keflavik to Chicago flight deals

      Find the cheapest month or even day of the year to fly to Chicago

      Book the best Chicago fare with no extra fees

      Flight deals from Reykjavik Keflavik to Chicago

      Looking for a cheap last-minute deal or the best return flight from Reykjavik Keflavik Airport to Chicago? If you want to travel next month, return fares start from $570. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Reykjavik Keflavik to Chicago

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to Chicago flights are currently cheapest in October.

      Direct flights from Reykjavik Keflavik to Chicago

      Air Canada
      airBaltic
      Atlantic Airways
      Austrian Airlines
      Brussels Airlines
      Icelandair
      Lufthansa
      United

      Alternative Reykjavik Keflavik to Chicago routes

      Looking for the cheapest, fastest or easiest route from Reykjavik Keflavik to Chicago? You could fly into the following airports instead.

      Reykjavik to Chicago: Flight information

      The things to know before you go.
      Cheapest flight found$570
      Cheapest month to flyOctober
      Average flight time6 hrs, 52 mins
      Most popular airlineIcelandair
      Average flights per week36

      Finding cheap flights from Reykjavik Keflavik to Chicago: Frequently asked questions

      There are 3 airports in Chicago: Chicago Midway, Chicago O'Hare International and Chicago Rockford.
      The best price we found for a return flight from Reykjavik Keflavik to Chicago is $570. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      6 hours and 52 minutes is the average flight time from Reykjavik Keflavik to Chicago.
      Icelandair, Lufthansa and Air Canada fly direct from Reykjavik Keflavik to Chicago.
      As of September 2026, there are 55 flights per week flying from Reykjavik Keflavik to Chicago.
      The cheapest month to fly from Reykjavik Keflavik to Chicago is usually October.
      If you're flying from Reykjavik Keflavik Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.5 km away from the centre of Chicago. We've found flights into this airport from $570.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to Chicago on Thursday, 15 October 2026.
      Yes – the average flight time is 6 hours and 52 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 20°C. July is typically the warmest month in Chicago, when it usually averages around 27°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is June.
      Currently, Icelandair offers the cheapest flight tickets to Chicago.

      Travelling from Keflavik Airport (KEF) to Chicago: what you need to know

      • Take a direct flight from Keflavik Airport to Chicago and you'll be in the air for around 6 hours 10 minutes.

      • Chicago is six hours behind Reykjavik, where Keflavik Airport is located. Chicago runs on the UTC-6 timezone.

      • With 13 flights a week between the two airports, Keflavik Airport (KEF) to Chicago O'Hare International Airport (ORD) is the most popular route. United Airlines operates the earliest flight at 12:00. If you're eager to get more out of your day before jetting off, the last departure from KEF to ORD is with Icelandair at 19:35.

      • Leave enough time to get on your KEF to Chicago flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as August, it's wise to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

      • Begin your journey at KEF and fly nonstop to Chicago O'Hare International Airport (ORD). That's where you can expect to touch down when searching for Keflavik Airport to Chicago tickets.

      • Keep an eye out for deals with Icelandair. This airline operates direct flights from Keflavik Airport to Chicago.

      • Stopovers are the perfect opportunity to break up your journey and possibly even tick a new city off your list. When searching for plane tickets from KEF to Chicago, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:

        • Boston Logan International Airport (BOS)

        • Toronto Pearson International Airport (YYZ)

        • Minneapolis-Saint Paul International Airport (MSP)

      • Travelling from central Reykjavik to KEF takes about 55 minutes by public transport. If you drive, ride-share or grab a taxi, you'll cover the 40 kilometres in 45 minutes or so, depending on traffic.

      • Want a leisurely start to your travels? Stay near KEF. Whether you're boarding an early flight from Keflavik Airport to Chicago or just don't like being rushed, these hotels are just the thing:

      • When it comes to the on-time performance of Keflavik Airport, 79% of flights stick to their scheduled arrival time.

      How to find the cheapest flights from Keflavik Airport (KEF) to Chicago

      • $639 is currently the lowest price for a one-way Keflavik Airport to Chicago flight. A return plane ticket starts from $570. These fares can change based on availability and demand.

      • To secure cheap flights from KEF to Chicago, reserve your trip three months before your planned departure.

      • Schedule your trip for August. That's the best month for landing an awesome deal on Keflavik Airport to Chicago tickets. If your travel dates are flexible, use the 'Whole month' tool to access the lowest price across each month.

      • Cut down on the time spent looking for cheap flights from KEF to Chicago by creating a Price Alert. You'll receive an email or push notification on the app when a new low fare is offered.

      • Save on your flight from Keflavik Airport to Chicago with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

      Airports in Chicago

      Chicago O'Hare International Airport (ORD)

      • The distance from Chicago O'Hare International Airport (ORD) to central Chicago is roughly 27 kilometres. It takes around 30 minutes to get to the centre driving.

      • Getting there on public transport takes around 45 minutes.

      • Consider staying in a hotel near ORD if you're coming in on a late flight from Keflavik Airport to Chicago. Settle into one of these options and skip the long transfer:

      • For the best deal, reserve your ride from Chicago O'Hare International Airport around four weeks ahead of your flight from KEF to Chicago.

      • The address for ORD is 10000 West O'Hare.

      Chicago Midway International Airport (MDW)

      • Chicago Midway International Airport (MDW) is about 16 kilometres from the centre of Chicago. Following your flight from Keflavik Airport to Chicago, it'll take you around 25 minutes to reach the heart of the city in a taxi or ride-share.

      • If you're catching public transport, it'll take about 30 minutes.

      • There are some comfortable places to park your luggage (and yourself) near MDW. Tuck yourself in and get cosy after your KEF to Chicago flight at any of these well-located options:

      • Get the pick of the lot. Securing your ride from MDW four weeks ahead of time often means better deals and a greater range of vehicles.

      • You can find Chicago Midway International Airport at 5700 South Cicero.

      Chicago Rockford International Airport (RFD)

      • Head to the city centre after your flight from Keflavik Airport to Chicago has touched down. Central Chicago is around 145 kilometres from Chicago Rockford International Airport (RFD) and takes roughly 1 hour 40 minutes to get to by car.

      • If you're using public transport, the journey time is about 2 hours.

      • Reserve a hotel close to RFD and go from the plane to your bed in a flash. Whether you're arriving on a late KEF to Chicago flight or just want to keep your travel plans simple, these stays bring comfort closer to you:

      • If you'd like a certain type of vehicle, booking early increases your chances of getting exactly what you want. Reserve your ride from RFD a couple of weeks ahead of your flight from Keflavik Airport to Chicago.

      • The street address for Chicago Rockford International Airport is 2 Airport Cir.

      Best time to go to Chicago

      • It's time to figure out your travel dates for your flight from Keflavik Airport to Chicago. July is the busiest month for a trip to Chicago. If you want a more relaxed vibe, go in January.

      • Lock in a Keflavik Airport to Chicago plane ticket with a departure in July if you want to explore the city during its warmest month. You can expect temperatures to range from 16ºC (61ºF) to 28ºC (82ºF).

      • January sees average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Look for a cheap ticket from KEF to Chicago around that time if you like travelling in cooler conditions.

      More about Chicago

      • When it comes to searching for somewhere to lay your head, you'll find the best stays in Chicago right here. Explore these hotels after locking in your flight from Keflavik Airport to Chicago:

      • There are so many things to see and do in this city it can be hard to work out where to begin. Art Institute of Chicago, Millennium Park and Willis Tower are popular attractions which should feature on every Chicago itinerary.

      Explore more of the United States

      • Chicago is easy to fall in love with, but there are so many other parts of the United States just waiting to be explored. Around 451 kilometres southeast of Chicago, a trip to Columbus will fill your itinerary to the brim. Check out popular attractions like Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

      • Around 257 kilometres southeast of Chicago, Indianapolis is another essential stop in the United States. No visit is complete without checking out Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.