$496 Flights from Chicago (CHIA) to Tehran (THRA)

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Flight deals from Chicago to Tehran

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Tehran? If you want to travel next month, round-trip fares start from $709. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Chicago to Tehran

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

Alternative Chicago to Tehran routes

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

Chicago to Tehran: Flight information

The things to know before you go.
Cheapest flight found$496
Cheapest month to flyMarch

Finding cheap flights from Chicago to Tehran: Frequently asked questions

There are 2 airports in Tehran: Mehrabad International and Imam Khomeini International.
The best price we found for a round-trip flight from Chicago to Tehran is $709. 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 Tehran. But we found flights with one or more stops from $709.
There are no flights flying from Chicago to Tehran, as of March 2026.
The cheapest month to fly from Chicago to Tehran is usually April.
If you're flying from Chicago, the cheapest airport near Tehran is Imam Khomeini International – which is 22.6 miles away from the center of Tehran. We've found flights to this airport from $709.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Tehran on Wednesday, April 8, 2026.
No airlines currently offer direct flights between Chicago and Tehran. 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 Tehran 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.
In March, the average temperature is usually around 41°F. July is typically the warmest month in Tehran, when it usually averages around 90°F. You can expect the least rain in July. The coldest month is January, with temperatures averaging 22°F. The rainiest month is November.
The cheapest airline that flies to Tehran is Icelandair.

Traveling from Chicago to Tehran: what you need to know

  • Start your travel planning by considering where you'll board your flight from Chicago to Tehran. O'Hare International Airport (ORD) and Chicago Midway International Airport (MDW) are the main airports in Chicago.

  • Disembark at Tehran's primary gateway, Imam Khomeini International Airport (IKA).

  • Tehran is eight hours 30 minutes ahead of Chicago and follows the UTC+3:30 timezone.

  • For a stress-free start to your trip, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably catch your Chicago to Tehran flight.

  • Be prepared for bigger queues in popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.

How to find the cheapest flights from Chicago to Tehran

  • To pick up cheap Chicago to Tehran flights, book ahead. Airlines tend to offer lower prices when flights are first released.

  • The 'Whole month' search tool will show you the cheapest plane tickets from Chicago to Tehran across the month. It's a good way to snap up a bargain if your plans are flexible.

  • Getting a cheap flight from Chicago to Tehran is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your Chicago to Tehran flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Chicago

O'Hare International Airport (ORD)

  • Consider adding a stopover to possibly find a cheaper Chicago to Tehran flight. Just deselect 'Direct flights only' when searching for departures from O'Hare International Airport. Break up the journey at one of these airports:

    • Istanbul Ataturk Airport (IST)

    • Frankfurt Airport (FRA)

    • Hamad International Airport (DOH)

  • Located around 16 miles from the center of Chicago, ORD can be reached in about 35 minutes by car (depending on traffic). The journey on public transport takes roughly 55 minutes.

  • In search of a convenient hotel close to O'Hare International Airport? If you've booked an early flight from Chicago to Tehran, these accommodation options will have you sleeping moments from your check-in counter:

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights arrive within the scheduled time frame.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • On public transport, you can travel from central Chicago to MDW in around 45 minutes. The terminal is roughly 9 miles away. Driving will take you about 20 minutes.

  • Want to treat yourself to an extra night away before boarding your flight from Chicago to Tehran? Unwind in a hotel near Chicago Midway International Airport before your vacation officially begins. Check out these accommodation options:

  • Chicago Midway International Airport has an on-time performance of 78%. This figure gives an insight into how frequently flights that take off from this airport land at their destination on schedule.

  • The address for MDW is 5700 South Cicero.

Arriving in Tehran

Imam Khomeini International Airport (IKA)

  • The distance from Imam Khomeini International Airport (IKA) to central Tehran is approximately 25 miles. It'll take you about 1 hour 5 minutes to get to the center driving.

  • Touching down on a late flight from Chicago to Tehran? Grab your bags and go straight to the convenience of a nearby hotel. Two great choices close to IKA are Remis Hotel and Rexan Hotel.

Best time to go to Tehran

  • July is the busiest month for flights from Chicago to Tehran. To skip the crowds, head to Tehran in April.

  • The warmest month in Tehran is July, with temperatures ranging between 73ºF and 100ºF. Book your Chicago to Tehran ticket then if this is the type of weather you enjoy.

  • If you like traveling in cooler conditions, search for a cheap flight from Chicago to Tehran in January when temperatures average between 21ºF and 50ºF.

More about Tehran

  • After booking your flight from Chicago to Tehran, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Tehran:

  • Golestan Palace and National Museum of Iran are just the start of the top-rated attractions to put on your Tehran must-do list. Continue your sightseeing adventures at Azadi Tower.

Explore more of Iran

  • Isfahan is just one of the many places in Iran waiting to be discovered after you've experienced Tehran. Around 210 miles to the south, check out popular attractions including Sheikh Lotfollah Mosque, Chehel Sotoun and Vank Cathedral.

  • Around 20 miles west of Tehran, Karaj is another essential stop in Iran. No visit is complete without checking out Lale Park, Fatemiyeh Park and Vahdat Park.

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