Flights from Chicago to Tehran
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From $2909 · Prices update daily
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The quick answer
Flights from Chicago to Tehran start around $2909 round-trip. Main carrier: Aer Lingus. Cheapest month to fly: July.
Price calendar — next 60 days
★ Cheapest: $2909 on Sun, Jul 12 · EI
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Chicago to Tehran
Month-by-month lowest fares. Green = cheapest dates.
Visa for Tehran
Check visa requirements before booking — entry rules vary by passport.
Full Tehran visa guide →Stay connected in Tehran
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Chicago to Tehran trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Tehran
Pre-book your ride into Tehran. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Chicago to Tehran flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Chicago to Tehran — frequently asked
How much is a flight from Chicago to Tehran?+
Fares start around $2909 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Chicago to Tehran?+
July typically has the lowest fares.
Are there direct flights from Chicago to Tehran?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from Chicago to Tehran?+
Carriers on this route include Aer Lingus. Compare them side by side in the search above.
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