Statistics on Chicago-Tehran flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Tehran (from: Chicago)
The average price to go to Tehran from Chicago airport is $ 1135 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 860 (in april) and $ 1497 (in july), which is a saving of $ 275 or a surplus of $ 363 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $943 to $995 and it is generally more economical to leave on a tuesday and return on a tuesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Tehran before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Chicago-Tehran plane ticket.
How are these data calculated?
We have studied a sample of 5414 airfare prices from previous years for flights to Tehran from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in april, the price of the plane ticket will statistically be the cheapest ($ 860, saving $ 275 compared to the average price over the year which is $ 1135). Conversely, july will be the most expensive ($ 1497).
Flight Chicago-Tehran: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 911 | $ 1003 | good price |
| February | $ 894 | $ 986 | good price |
| March | $ 880 | $ 1008 | good price |
| April | $ 789 | $ 860 the cheapest | very good price |
| May | $ 941 | $ 1075 | fair price |
| June | $ 1167 | $ 1351 | high price |
| July | $ 1274 | $ 1497 the most expensive | very high price |
| August | $ 1238 | $ 1432 | high price |
| September | $ 929 | $ 1033 | good price |
| October | $ 918 | $ 1004 | good price |
| November | $ 933 | $ 1032 | good price |
| December | $ 1102 | $ 1333 | high price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from Chicago to Tehran
Data analysis:
The prices for flights from Chicago to Tehran range from $628 to $1729. 2% of tickets were purchased at the minimum price (from $629 to $681), 1% at the maximum price (from $1676 to $1729). The majority of plane tickets were purchased in the range of $943 to $995 (13% of tickets).
Cheapest airlines for the Chicago->Tehran flight
There are 11 companies that serve Chicago from Tehran airport: Turkish Airlines, Spirit Airlines, Qatar Airways, Emirates, Austrian Airlines, Lufthansa, United, Frontier Airlines, Swiss, Icelandair and TAP.
Data analysis:
Of the 5414 flights analyzed in previous years, Turkish Airlines was the airline that offered the best fare most often in the flight ticket search results (47% of the time) on the Chicago->Tehran route.
Which day of the week to leave?
Data analysis:
Statistically, Chicago-Tehran flights departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday as your departure date, you can save an average of $69. On the other hand, departing on a sunday may cost you an additional $81.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Tehran to Chicago departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday for your return date, you will save an average of $72. Conversely, departing from Tehran on a friday may cost you an additional $50.
Top prices Chicago-Tehran
| Round trip | Dates | Price | |
|---|---|---|---|
| Chicago → Tehran | 12-01 to 27-01-2025 | $ 1051 | layover flight with Turkish Airlines |
| Chicago → Tehran | 21-01 to 28-01-2025 | $ 917 | layover flight with Turkish Airlines |
| Chicago → Tehran | 20-02 to 27-02-2025 | $ 924 | layover flight with Turkish Airlines |
| Chicago → Tehran | 07-03 to 28-03-2025 | $ 965 | layover flight with Turkish Airlines |
| Chicago → Tehran | 12-03 to 18-03-2025 | $ 948 | layover flight with Turkish Airlines |
| Chicago → Tehran | 21-03 to 31-03-2025 | $ 1144 | layover flight with Turkish Airlines |
| Chicago → Tehran | 01-04 to 15-04-2025 | $ 1005 | layover flight with Turkish Airlines |
| Chicago → Tehran | 02-04 to 15-04-2025 | $ 1005 | layover flight with Turkish Airlines |
| Chicago → Tehran | 01-05 to 29-05-2025 | $ 1002 | layover flight with Turkish Airlines |
| Chicago → Tehran | 07-10 to 28-10-2025 | $ 1071 | layover flight with Qatar Airways |
When to book your flight Chicago - Tehran to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 7 to 8 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Chicago-Tehran flight, it is recommended to book your ticket on a sunday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Chicago to Tehran, it is recommended to buy it 7 to 8 months before departure (it is then on average 958 $, which is a saving of 177 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (83 $ more than the average price).
Depending on the departure month
The best time to buy your Chicago to Tehran flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 1 to 2 months before departure (average price: 950 $) |
| February | Best time: 1 to 2 months before departure (average price: 930 $) Other interesting period(s): 0 to 1 month ($ 985) |
| March | Best time: 0 to 1 month before departure (average price: 973 $) Other interesting period(s): 1 to 2 months ($ 1006) |
| April | Best time: 0 to 1 month before departure (average price: 808 $) |
| May | Best time: 1 to 2 months before departure (average price: 1051 $) |
| June | Best time: 3 to 4 months before departure (average price: 1145 $) Other interesting period(s): 1 to 2 months ($ 1335), 2 to 3 months ($ 1193) |
| July | Best time: 2 to 3 months before departure (average price: 1393 $) Other interesting period(s): 1 to 2 months ($ 1426) |
| August | Best time: 2 to 3 months before departure (average price: 1353 $) Other interesting period(s): 1 to 2 months ($ 1416) |
| September | Best time: 2 to 3 months before departure (average price: 985 $) Other interesting period(s): 1 to 2 months ($ 990) |
| October | Best time: 1 to 2 months before departure (average price: 961 $) |
| November | - |
| December | Best time: 1 to 2 months before departure (average price: 1223 $) Other interesting period(s): 0 to 1 month ($ 1269) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, sunday is the day when plane tickets for Chicago->Tehran are the cheapest. So, by buying your plane ticket on a sunday, you will save $41. Conversely, by buying it on a wednesday, you may end up paying $59 more.
Chicago to Tehran: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| December 2024 | $ 1952 $1331 to $2353 | very high price | Find a flight |
| January 2025 | $ 1305 $906 to $2281 | very high price | Find a flight |
| February 2025 | $ 924 $924 to $924 | very good price | Find a flight |
| March 2025 | $ 1002 $948 to $1144 | fair price | Find a flight |
| April 2025 | $ 1005 $1005 to $1005 | high price | Find a flight |
| May 2025 | $ 1002 $1002 to $1002 | very good price | Find a flight |
| October 2025 | $ 1071 $1071 to $1071 | high price | Find a flight |
Data analysis:
Compared to the average price, february and may are cheaper to travel to Tehran. So it may be interesting to book now to leave during these months!