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 $ 1248 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 951 (in april) and $ 1588 (in july), which is a saving of $ 297 or a surplus of $ 341 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $990 to $1045 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 6269 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

Created with Highcharts 8.2.2 $1146 $1146 $1080 $1080 $1283 $1283 $951 $951 $1201 $1201 $1458 $1458 $1588 $1588 $1535 $1535 $1110 $1110 $1075 $1075 $1096 $1096 $1450 $1450Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.80010001200140016001800

Data analysis:

By leaving in april, the price of the plane ticket will statistically be the cheapest ($ 951, saving $ 297 compared to the average price over the year which is $ 1248). Conversely, july will be the most expensive ($ 1588).

Flight Chicago-Tehran: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 976 $ 1146 fair price
February$ 960 $ 1080 good price
March$ 965 $ 1283 fair price
April$ 855 $ 951 very good price
May$ 975 $ 1201 fair price
June$ 1256 $ 1458 high price
July$ 1341 $ 1588 very high price
August$ 1316 $ 1535 high price
September$ 976 $ 1110 good price
October$ 964 $ 1075 good price
November$ 979 $ 1096 good price
December$ 1192 $ 1450 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

Created with Highcharts 8.2.22%2%2%2%1%1%2%2%7%7%11%11%13%13%10%10%7%7%5%5%4%4%5%5%5%5%4%4%3%3%3%3%2%2%2%2%2%2%1%1%Percentage of plane tickets found at this price$660 to $715$715 to $770$770 to $825$825 to $880$880 to $935$935 to $990$990 to $1045$1045 to $1099$1099 to $1154$1154 to $1209$1209 to $1264$1264 to $1319$1319 to $1374$1374 to $1429$1429 to $1484$1484 to $1539$1539 to $1594$1594 to $1649$1649 to $1704$1704 to $1759010515

Data analysis:

The prices for flights from Chicago to Tehran range from $660 to $1759. 2% of tickets were purchased at the minimum price (from $660 to $715), 1% at the maximum price (from $1704 to $1759). The majority of plane tickets were purchased in the range of $990 to $1045 (13% of tickets).

Cheapest airlines for the Chicago->Tehran flight

There are 12 companies that serve Chicago from Tehran airport: Turkish Airlines, Spirit Airlines, Qatar Airways, Emirates, Austrian Airlines, Lufthansa, United, Frontier Airlines, Icelandair, Swiss, TAP and LOT.

Created with Highcharts 8.2.2Turkish Airlines: 46 %Turkish Airlines: 46 %Spirit Airlines: 12 %Spirit Airlines: 12 %Qatar Airways: 11 %Qatar Airways: 11 %Emirates: 6 %Emirates: 6 %Austrian Airlines: 5 %Austrian Airlines: 5 %Lufthansa: 4 %Lufthansa: 4 %United: 3 %United: 3 %Frontier Airlines: 2 %Frontier Airlines: 2 %Icelandair: 2 %Icelandair: 2 %Swiss: 2 %Swiss: 2 %

Data analysis:

Of the 6269 flights analyzed in previous years, Turkish Airlines was the airline that offered the best fare most often in the flight ticket search results (46% of the time) on the Chicago->Tehran route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +210 $ +210 $ -30 $ -30 $ -86 $ -86 $ -60 $ -60 $ -4 $ -4 $ +18 $ +18 $ +39 $ +39Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-150-100-50050100150200250

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 $86. On the other hand, departing on a sunday may cost you an additional $210.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +111 $ +111 $ -75 $ -75 $ -92 $ -92 $ -73 $ -73 $ +4 $ +4 $ +66 $ +66 $ +27 $ +27Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-150-100-50050100150

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 $92. Conversely, departing from Tehran on a sunday may cost you an additional $111.

Top prices Chicago-Tehran

Round tripDatesPrice
Chicago → Tehran07-04 to 20-04-2025$ 1206 
Chicago → Tehran01-05 to 27-05-2025$ 1131 
Chicago → Tehran02-05 to 13-05-2025$ 948 
Chicago → Tehran05-05 to 20-05-2025$ 934 
Chicago → Tehran14-05 to 21-05-2025$ 1242 
Chicago → Tehran15-05 to 22-05-2025$ 1205 
Chicago → Tehran01-01 to 29-01-2026$ 934 
Chicago → Tehran07-03 to 22-03-2026$ 1058 
Chicago → Tehran11-03 to 20-03-2026$ 1056 
Chicago → Tehran12-03 to 26-03-2026$ 1058 

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 5 to 6 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 monday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $1337 $1337 $1199 $1199 $1240 $1240 $1319 $1319 $1317 $1317 $1172 $1172 $1240 $1240 $1186 $1186Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months10501100115012001250130013501400

Data analysis:

To get the cheapest flight ticket from Chicago to Tehran, it is recommended to buy it 5 to 6 months before departure (it is then on average 1172 $, which is a saving of 76 $ 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 (89 $ 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: 1101 $)
February

Best time: 1 to 2 months before departure (average price: 1025 $)
March

Best time: 2 to 3 months before departure (average price: 1130 $)

Other interesting period(s): 1 to 2 months ($ 1203)
April

Best time: 0 to 1 month before departure (average price: 848 $)

Other interesting period(s): 1 to 2 months ($ 939)
May

Best time: 1 to 2 months before departure (average price: 1103 $)

Other interesting period(s): 0 to 1 month ($ 1139)
June

Best time: 3 to 4 months before departure (average price: 1209 $)

Other interesting period(s): 1 to 2 months ($ 1401), 2 to 3 months ($ 1252)
July

Best time: 2 to 3 months before departure (average price: 1462 $)

Other interesting period(s): 1 to 2 months ($ 1496)
August

Best time: 2 to 3 months before departure (average price: 1419 $)

Other interesting period(s): 1 to 2 months ($ 1486)
September

Best time: 2 to 3 months before departure (average price: 1034 $)

Other interesting period(s): 1 to 2 months ($ 1039)
October

Best time: 1 to 2 months before departure (average price: 1008 $)
November-
December

Best time: 1 to 2 months before departure (average price: 1319 $)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ +63 $ +63 $ -48 $ -48 $ -3 $ -3 $ +57 $ +57 $ +7 $ +7 $ -34 $ -34 $ -37 $ -37Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-75-50-250255075

Data analysis:

Statistically, monday is the day when plane tickets for Chicago->Tehran are the cheapest. So, by buying your plane ticket on a monday, you will save $48. Conversely, by buying it on a sunday, you may end up paying $63 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
April 2025$ 2848
$1206 to $8982		Find a flight
May 2025$ 1898
$934 to $9023		Find a flight
June 2025$ 1503
$1470 to $1542		Find a flight
January 2026$ 928
$921 to $934		Find a flight
March 2026$ 1058
$1056 to $1058		Find a flight

Data analysis:

Compared to the average price, january and march are cheaper to travel to Tehran. So it may be interesting to book now to leave during these months!

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