$448 Flights from Chicago (CHIA) to Imam Khomeini International (IKA)

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Flight deals from Chicago to Imam Khomeini International

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Imam Khomeini International? Find the lowest prices on one-way and round-trip tickets right here.

Chicago to Imam Khomeini International: Alternative routes

Compare routes from Chicago to Tehran below. You may find an airport to fly into that's cheaper, faster, or easier than Imam Khomeini International.

Chicago to Tehran: Flight information

The things to know before you go.
Cheapest flight found$448
Cheapest month to flyJanuary

Finding cheap flights from Chicago to Imam Khomeini International: Frequently asked questions

The best price we found for a round-trip flight from Chicago to Imam Khomeini International is $849. 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.
Currently, there are no airlines that fly direct from Chicago to Imam Khomeini International. But we found flights with one stop from $849.
There are no flights flying from Chicago to Imam Khomeini International, as of January 2026.
The cheapest month to fly from Chicago to Imam Khomeini International is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Imam Khomeini International Airport on Wednesday, February 11, 2026.
No airlines currently offer direct flights between Chicago and Imam Khomeini International Airport. Most routes have one or more stops.
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 Imam Khomeini International 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 Tehran is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Imam Khomeini International is Icelandair.

Flying from Chicago to Imam Khomeini International Airport (IKA): What you need to know

  • Chicago is home to a couple of airports where you can kick off your trip. Explore your options for reserving a flight from Chicago to Imam Khomeini International Airport (IKA) heading out from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW).

  • The timezone in Tehran is UTC+3:30, which is eight hours 30 minutes ahead of Chicago. Imam Khomeini International Airport is located in Tehran.

  • Arrive at the airport on time so you don't miss your flight from Chicago to IKA. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.

  • In peak travel periods, expect longer queues and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Chicago

O'Hare International Airport (ORD)

  • A stopover is the perfect opportunity to take a travel break and maybe even tour another city. When browsing cheap flights from Chicago to IKA departing from O'Hare International Airport (ORD), deselect the 'Direct flights only' box to discover where you can stop along the way. Your journey might pause in:

    • Istanbul Ataturk Airport (IST)

    • Frankfurt Airport (FRA)

    • Hamad International Airport (DOH)

  • Located around 25 miles from central Chicago, ORD can be reached in about 35 minutes by car, depending on traffic. The journey on public transport is roughly 55 minutes.

  • Want a relaxed start to your journey? Stay near O'Hare International Airport. Whether you have an early flight from Chicago to Imam Khomeini International Airport or aren't a fan of being rushed, these hotels are the ideal choice:

  • When it comes to the on-time performance of O'Hare International Airport, data shows 74.85% of flights complete their journey on time.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • MDW is around 12 miles from central Chicago. It'll take 20 minutes or so to get to the airport driving from the city center. Public transport takes roughly 45 minutes.

  • Start your vacation sooner with an additional night away from home. Before your Chicago to IKA flight, kick back in one of these hotels near Chicago Midway International Airport:

  • Chicago Midway International Airport has an on-time performance rate of 77.88%. This figure highlights how often flights departing from this airport make it to their destination on time.

  • You'll find MDW at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • From the center of Chicago, RFD is around 85 miles away. It takes roughly 1 hour 25 minutes to get to the airport by car and 4 hours 15 minutes or so if you're on public transport.

  • Make catching an early Chicago to Imam Khomeini International Airport flight the easiest part of your trip. Stay at one of these accommodation options close to Chicago Rockford International Airport and get to your check-in counter without rushing:

  • Flights that depart from RFD arrive at their destination within the scheduled time frame 76.19% of the time.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Imam Khomeini International Airport (IKA)

  • Have a late flight from Chicago to Imam Khomeini International Airport or just want to relax ASAP? Booking a hotel near IKA is a smart move. Remis Hotel and Rexan Hotel are popular options.

How to find the cheapest flights from Chicago to Imam Khomeini International Airport (IKA)

  • The lowest price we've found for a one-way ticket from Chicago to Imam Khomeini International Airport is $448. For a return flight on this route, the best price is $849. Depending on how early you book and the availability, these fares can change.

  • Booking ahead of time is often the key to scoring a cheap flight from Chicago to IKA. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool shows you the cheapest Chicago to Imam Khomeini International Airport tickets across each month. It's a good way to find a bargain if your plans are flexible.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as a better deal comes up on plane tickets from Chicago to IKA.

  • Filters make it easier to scoop up a deal on your flight from Chicago to Imam Khomeini International Airport. Choose the airlines, flight times and stops that look good to you. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Chicago to Imam Khomeini International Airport (IKA)

  • It's time to work out your travel dates for your flight from Chicago to Imam Khomeini International Airport (IKA). July is the busiest month to visit Tehran. If crowds aren't your thing, head there in April.

  • The warmest month in Tehran is July, with temperatures ranging between 73ºF and 100ºF. Book your Chicago to IKA plane ticket then if that's your ideal forecast.

  • January has temperatures of between 21ºF and 50ºF. Search for cheap tickets from Chicago to Imam Khomeini International Airport around that time if you like traveling in cooler conditions.

More about Tehran

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Tehran right here. Browse these hotels once you've booked your flight from Chicago to Imam Khomeini International Airport:

  • Every great adventure has to include some sightseeing. Golestan Palace, National Museum of Iran and Tehran Museum of Contemporary Art are must-visits when exploring Tehran.

Explore more of Iran

  • Tehran is easy to fall in love with, but there are so many other parts of Iran waiting to be explored. Around 55 miles south of Tehran, a visit to Qom will keep you on the move. Don't miss top attractions like Qom Hazrat-e Masumeh, A'zam Mosque and Qoli Darvish Historical Site.

  • If you're interested in discovering another major stop in Iran, consider Rasht, about 160 miles north-west of Tehran. Japanese garden, Gilan Cultural House and Gilan rural heritage museum are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.