Statistics on Chicago-Ostrava 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 Ostrava (from: Chicago)

The average price to go to Ostrava from Chicago airport is $ 1110 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 772 (in february) and $ 1494 (in august), which is a saving of $ 339 or a surplus of $ 384 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $867 to $922 and it is generally more economical to leave on a tuesday and return on a wednesday 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 Ostrava 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-Ostrava plane ticket.

How are these data calculated?

We have studied a sample of 9036 airfare prices from previous years for flights to Ostrava 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 $988 $988 $772 $772 $923 $923 $950 $950 $980 $980 $1249 $1249 $1453 $1453 $1494 $1494 $1067 $1067 $964 $964 $1052 $1052 $1431 $1431Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.6008001000120014001600

Data analysis:

By leaving in february, the price of the plane ticket will statistically be the cheapest ($ 772, saving $ 339 compared to the average price over the year which is $ 1110). Conversely, august will be the most expensive ($ 1494).

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

Month Good price* Average price Our opinion
January$ 844 $ 988 good price
February$ 680 $ 772 very good price
March$ 767 $ 923 good price
April$ 817 $ 950 good price
May$ 887 $ 980 good price
June$ 1073 $ 1249 high price
July$ 1151 $ 1453 high price
August$ 1123 $ 1494 very high price
September$ 900 $ 1067 fair price
October$ 801 $ 964 good price
November$ 821 $ 1052 fair price
December$ 1164 $ 1431 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 Ostrava

Created with Highcharts 8.2.21%1%1%1%3%3%3%3%4%4%6%6%10%10%8%8%10%10%7%7%6%6%5%5%4%4%3%3%4%4%3%3%3%3%2%2%2%2%1%1%1%1%1%1%Percentage of plane tickets found at this price$488 to $542$597 to $651$651 to $705$705 to $759$759 to $813$813 to $867$867 to $922$922 to $976$976 to $1030$1030 to $1084$1084 to $1138$1138 to $1193$1193 to $1247$1247 to $1301$1301 to $1355$1355 to $1409$1409 to $1464$1464 to $1518$1518 to $1572$1572 to $1626$1626 to $1680$1789 to $1843024681012

Data analysis:

The prices for flights from Chicago to Ostrava range from $487 to $1843. 1% of tickets were purchased at the minimum price (from $488 to $542), 1% at the maximum price (from $1789 to $1843). The majority of plane tickets were purchased in the range of $976 to $1030 (10% of tickets).

Cheapest airlines for the Chicago->Ostrava flight

There are 2 companies that serve Chicago from Ostrava airport: LOT and Spirit Airlines.

Created with Highcharts 8.2.2LOT: 97 %LOT: 97 %Spirit Airlines: 1 %Spirit Airlines: 1 %

Data analysis:

Of the 9036 flights analyzed in previous years, LOT was the airline that offered the best fare most often in the flight ticket search results (97% of the time) on the Chicago->Ostrava route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ -8 $ -8 $ +11 $ +11 $ -111 $ -111 $ -36 $ -36 $ +2 $ +2 $ +89 $ +89 $ +57 $ +57Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-150-100-50050100

Data analysis:

Statistically, Chicago-Ostrava 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 $111. On the other hand, departing on a friday may cost you an additional $89.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +2 $ +2 $ -2 $ -2 $ -39 $ -39 $ -150 $ -150 $ -32 $ -32 $ +83 $ +83 $ +107 $ +107Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-200-150-100-50050100150

Data analysis:

Statistically, return flights from Ostrava to Chicago departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $150. Conversely, departing from Ostrava on a saturday may cost you an additional $107.

Top prices Chicago-Ostrava

Round tripDatesPrice
Chicago → Ostrava11-05 to 18-05-2025$ 825 
Chicago → Prague01-09 to 16-09-2025$ 452 
Chicago → Prague02-09 to 15-09-2025$ 442 
Chicago → Prague08-09 to 18-09-2025$ 460 
Chicago → Prague09-09 to 29-09-2025$ 458 
Chicago → Prague07-10 to 21-10-2025$ 419 
Chicago → Prague09-10 to 14-10-2025$ 482 
Chicago → Prague16-10 to 30-10-2025$ 464 
Chicago → Prague01-12 to 08-12-2025$ 449 
Chicago → Prague16-02 to 26-02-2026$ 469 

When to book your flight Chicago - Ostrava to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 6 to 7 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-Ostrava flight, it is recommended to book your ticket on a sunday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $1341 $1341 $1110 $1110 $1080 $1080 $1130 $1130 $1208 $1208 $1086 $1086 $960 $960 $1043 $1043 $1248 $1248 $1242 $1242 $1176 $1176Average 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 months8 to 9 months9 to 10 months10 to 11 months80090010001100120013001400

Data analysis:

To get the cheapest flight ticket from Chicago to Ostrava, it is recommended to buy it 6 to 7 months before departure (it is then on average 960 $, which is a saving of 150 $ 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 (231 $ more than the average price).

Depending on the departure month

The best time to buy your Chicago to Ostrava 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: 988 $)
February

Best time: 0 to 1 month before departure (average price: 746 $)
March

Best time: 1 to 2 months before departure (average price: 914 $)
April

Best time: 2 to 3 months before departure (average price: 794 $)

Other interesting period(s): 1 to 2 months ($ 937)
May

Best time: 3 to 4 months before departure (average price: 895 $)
June

Best time: 4 to 5 months before departure (average price: 1121 $)

Other interesting period(s): 1 to 2 months ($ 1184), 2 to 3 months ($ 1215)
July

Best time: 2 to 3 months before departure (average price: 1145 $)

Other interesting period(s): 1 to 2 months ($ 1386), 3 to 4 months ($ 1391), 4 to 5 months ($ 1439), 5 to 6 months ($ 1183)
August

Best time: 6 to 7 months before departure (average price: 989 $)

Other interesting period(s): 2 to 3 months ($ 1363), 3 to 4 months ($ 1134), 4 to 5 months ($ 1454), 5 to 6 months ($ 1074)
September

Best time: 7 to 8 months before departure (average price: 837 $)

Other interesting period(s): 1 to 2 months ($ 1026), 2 to 3 months ($ 1018), 3 to 4 months ($ 902), 4 to 5 months ($ 967), 5 to 6 months ($ 1009), 6 to 7 months ($ 875)
October

Best time: 1 to 2 months before departure (average price: 796 $)

Other interesting period(s): 2 to 3 months ($ 884)
November

Best time: 1 to 2 months before departure (average price: 1029 $)
December

Best time: 2 to 3 months before departure (average price: 1264 $)

Other interesting period(s): 1 to 2 months ($ 1350)

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

Created with Highcharts 8.2.2 $ -19 $ -19 $ +2 $ +2 $ -15 $ -15 $ +21 $ +21 $ +23 $ +23 $ -15 $ -15 $ +16 $ +16Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-30-20-100102030

Data analysis:

Statistically, sunday is the day when plane tickets for Chicago->Ostrava are the cheapest. So, by buying your plane ticket on a sunday, you will save $19. Conversely, by buying it on a thursday, you may end up paying $23 more.

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