Cheap Flights from Seattle / Tacoma International to Chicago

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      Compare Seattle / Tacoma International 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 Seattle / Tacoma International to Chicago

      Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Chicago? If you want to travel next month, return fares start from Rs65,921. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Seattle / Tacoma International to Chicago

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

      Direct flights from Seattle / Tacoma International to Chicago

      Aer Lingus
      Air France
      Alaska Airlines
      American Airlines
      Austrian Airlines
      Avianca
      British Airways
      Brussels Airlines
      Delta
      Emirates
      Finnair
      Gulf Air
      Iberia
      KLM
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      Lufthansa
      Malaysia Airlines
      Porter Airlines
      Qatar Airways
      Royal Jordanian
      Scandinavian Airlines
      Southwest Airlines
      SWISS
      Turkish Airlines
      United

      Alternative Seattle / Tacoma International to Chicago routes

      Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Chicago? You could fly into the following airports instead.

      Seattle to Chicago: Flight information

      The things to know before you go.
      Cheapest flight foundRs30,821
      Cheapest month to flyOctober
      Average flight time4 hrs, 6 mins
      Most popular airlineAmerican Airlines
      Average flights per week1,812

      Finding cheap flights from Seattle / Tacoma International 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 Seattle / Tacoma International to Chicago is Rs65,808. 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.
      4 hours and 5 minutes is the average flight time from Seattle / Tacoma International to Chicago.
      American Airlines, Qatar Airways and Alaska Airlines fly direct from Seattle / Tacoma International to Chicago.
      As of August 2026, there are 1,812 flights per week flying from Seattle / Tacoma International to Chicago.
      The cheapest month to fly from Seattle / Tacoma International to Chicago is usually September.
      If you're flying from Seattle / Tacoma International 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 Rs65,808.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Chicago on Tuesday, 29 September 2026.
      Yes – the average flight time is 4 hours and 5 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 August, the average temperature is usually around 22°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
      Currently, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to Chicago.

      Travelling from Seattle-Tacoma International Airport (SEA) to Chicago: what you need to know

      • The average length of a direct flight from Seattle-Tacoma International Airport to Chicago is 4 hours 40 minutes.

      • Chicago is two hours ahead of Seattle, where Seattle-Tacoma International Airport is located. Chicago runs on the UTC-6 timezone.

      • The most popular route is from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD). You can select from 105 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from SEA to ORD is the 00:05 American Airlines option. If you'd rather fly out later on, the final departure is at 23:59 with American Airlines.

      • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your SEA to Chicago flight.

      • Travelling over a peak time such as July? Public holidays and other popular seasons can mean longer lines and delays at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • Direct Seattle-Tacoma International Airport to Chicago tickets are available for booking. Chicago O'Hare International Airport (ORD) is where you'll arrive.

      • These are some of the most popular carriers operating direct flights from Seattle-Tacoma International Airport to Chicago:

      • The journey from central Seattle to SEA takes around 35 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 18 kilometres in 25 minutes or so, depending on traffic conditions.

      • Catching an early flight from Seattle-Tacoma International Airport to Chicago? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays near SEA:

      • Seattle-Tacoma International Airport has a strong on-time performance, reducing your chances of a delayed flight. Departures from SEA touch down on schedule 80% of the time.

      How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Chicago

      • Rs30,821 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Chicago flight. A return ticket right now is Rs65,808. Depending on how early you book and the availability, these fares can change.

      • Don't wait until the last minute. You're more likely to pick up cheap flights from SEA to Chicago if you book ahead. Airlines often have some amazing early bird discounts.

      • The 'Whole month' tool will show you the cheapest tickets from Seattle-Tacoma International Airport to Chicago across the month. It's a good way to snap up a bargain if your trip dates aren't set in stone.

      • Locking in a cheap flight from SEA to Chicago couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll let you know as soon as a new discount appears.

      • Choose your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Seattle-Tacoma International Airport to Chicago by 'Cheapest,' 'Best' or 'Fastest.'

      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 about 30 minutes to reach the centre driving.

      • Getting there by public transport will take you around 45 minutes.

      • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Seattle-Tacoma International Airport to Chicago. Reserve one of these accommodation options near ORD instead:

      • For the best deal, book your vehicle from Chicago O'Hare International Airport around four weeks ahead of your flight from SEA to Chicago.

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

      Chicago Midway International Airport (MDW)

      • Once your flight from Seattle-Tacoma International Airport to Chicago has landed, you can get to the city centre in about 25 minutes by car. Central Chicago is roughly 16 kilometres from Chicago Midway International Airport (MDW).

      • If you choose to travel on public transport, you'll reach the centre in 30 minutes or so.

      • Following your SEA to Chicago flight, unwind at a hotel near MDW. These are some great options that'll help you slip into relaxation mode:

      • Score the best price by reserving your ride from MDW four weeks in advance. You'll also have access to a bigger selection of vehicles.

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

      Chicago Rockford International Airport (RFD)

      • Chicago Rockford International Airport (RFD) is about 145 kilometres from the centre of Chicago. It takes about 1 hour 40 minutes to get to the city centre by car once you've stepped off your flight from Seattle-Tacoma International Airport to Chicago.

      • The journey will take around 2 hours when travelling on public transport.

      • Enjoy a restful, unhurried start to your break by staying at a hotel near RFD after your SEA to Chicago flight. Rest up after a long day of travel or simply give yourself time to find your footing in a new place at:

      • Booking a couple of weeks ahead of your flight from Seattle-Tacoma International Airport to Chicago is always smart. Along with better prices, you'll get a better selection of vehicle makes and models at RFD.

      • Chicago Rockford International Airport is located at 2 Airport Cir.

      Best time to go to Chicago

      • July is the most popular month for flights from Seattle-Tacoma International Airport to Chicago. To steer clear of the crowds, visit Chicago in January.

      • The warmest month in Chicago is July, with temperatures ranging between 16ºC and 28ºC. Lock in your Seattle-Tacoma International Airport to Chicago plane ticket then if you enjoy this type of weather.

      • January has average temperatures of between -12ºC and 3ºC. Look for a cheap ticket from SEA to Chicago around that time if you like travelling in cooler conditions.

      More about Chicago

      Explore more of the United States

      • You've visited Chicago, now it's time to discover more of the United States. Journey around 451 kilometres southeast to Columbus to tick off its leading sights. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, you'll have a packed itinerary ahead.

      • Indianapolis is another favourite destination in the United States and is around 257 kilometres southeast of Chicago. No trip is complete without experiencing 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.