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Otopeni Intl

$274+ Cheap flights from Illinois to Otopeni Intl (OTP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Otopeni Intl

Keep the following information in mind while searching for Illinois to Otopeni Intl flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(United Airlines)

One-way from

$274
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$607
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
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From Illinois to Bucharest Otopeni Intl
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One-way flight from Illinois to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 21% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Illinois to Otopeni Intl

Cheapest flights from Illinois to Otopeni Intl
Explore the most affordable flight options available from Illinois to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/911:49 amORD - OTP
2 stops18h 56mUnited Airlines
mar. 3/255:20 amOTP - ORD
2 stops33h 41mUnited Airlines
Deal found 2/20$548
This Priceline deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/27:20 amORD - OTP
2 stops27h 15mMultiple Airlines
mié. 4/96:30 amOTP - ORD
1 stop17h 25mMultiple Airlines
Deal found 2/20$549
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/611:55 amORD - OTP
1 stop12h 55mTurkish Airlines
vie. 3/149:50 pmOTP - ORD
1 stop20h 20mTurkish Airlines
Deal found 2/20$556
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/102:55 pmMDW - OTP
2 stops15h 15mDelta
mar. 3/256:00 amOTP - MDW
2 stops19h 02mDelta
Deal found 2/19$557
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/211:30 amORD - OTP
2 stops17h 45mAir Canada
mié. 4/96:30 amOTP - ORD
2 stops23h 36mAir Canada
Deal found 2/20$557
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/89:55 pmORD - OTP
1 stop17h 20mLOT
vie. 3/145:30 amOTP - ORD
1 stop22h 30mLOT
Deal found 2/20$558
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/116:00 pmORD - OTP
1 stop13h 45mBritish Airways
mié. 11/193:35 pmOTP - ORD
2 stops30h 55mBritish Airways
Deal found 2/20$572
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/119:15 pmORD - OTP
1 stop18h 50mAmerican Airlines
mié. 11/198:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 2/20$576
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/2810:35 pmORD - OTP
1 stop17h 55mLufthansa
lun. 3/176:00 amOTP - ORD
1 stop20h 25mLufthansa
Deal found 2/20$629
This Travelocity deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/287:15 pmORD - OTP
2 stops21h 40mScandinavian Airlines
mié. 5/148:50 pmOTP - ORD
1 stop27h 20mScandinavian Airlines
Deal found 2/20$690
This Aeromexico deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/131:00 pmMDW - OTP
2 stops24h 20mAir France
mar. 12/26:05 amOTP - MDW
2 stops19h 58mAir France
Deal found 2/20$698
This Air Serbia deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/204:30 pmORD - OTP
1 stop26h 35mAir Serbia
mar. 9/94:05 pmOTP - ORD
1 stop30h 20mAir Serbia
Deal found 2/19$699

Find flights from Illinois to Otopeni Intl within your budget

Customize your flight search to find flights from Illinois to Otopeni Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Illinois

Fly to

Otopeni Intl

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 3/9

11:49 am-1:45 pm

2 stops18h 56m

Bucharest Otopeni Intl

mar. 3/25

5:20 am-8:01 am

2 stops33h 41m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 4/2

7:20 am-6:35 pm

2 stops27h 15m

Bucharest Otopeni Intl

mié. 4/9

6:30 am-3:55 pm

1 stop17h 25m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 3/6

11:55 am-8:50 am

1 stop12h 55m

Bucharest Otopeni Intl

vie. 3/14

9:50 pm-11:10 am

1 stop20h 20m

$556

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

lun. 3/10

2:55 pm-1:10 pm

2 stops15h 15m

Bucharest Otopeni Intl

mar. 3/25

6:00 am-6:02 pm

2 stops19h 02m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 4/2

11:30 am-1:15 pm

2 stops17h 45m

Bucharest Otopeni Intl

mié. 4/9

6:30 am-10:06 pm

2 stops23h 36m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 3/8

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

vie. 3/14

5:30 am-9:00 pm

1 stop22h 30m

$558

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 3/11

6:00 pm-2:45 pm

1 stop13h 45m

Bucharest Otopeni Intl

mié. 11/19

3:35 pm-2:30 pm

2 stops30h 55m

$572

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 3/11

9:15 pm-11:05 pm

1 stop18h 50m

Bucharest Otopeni Intl

mié. 11/19

8:05 am-5:00 pm

1 stop16h 55m

$576

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 4/28

7:15 pm-12:55 am

2 stops21h 40m

Bucharest Otopeni Intl

mié. 5/14

8:50 pm-4:10 pm

1 stop27h 20m

$690

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 3/7

3:55 pm-2:00 pm

1 stop14h 05m

Bucharest Otopeni Intl

vie. 3/14

6:05 am-6:27 pm

2 stops19h 22m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 33 results
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Best time to book a flight from Illinois to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Otopeni Intl

Get recent, data-driven insights about flights from Illinois to Otopeni Intl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Bucharest Otopeni Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Illinois to Bucharest Otopeni Intl Airport (average of $604). Flying from Illinois to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to OTP?

Find hourly flight availability from Illinois to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Bucharest Otopeni Intl Airport as you normally would.

Rainfall in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest Otopeni Intl Airport ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest Otopeni Intl Airport when rainfall is around 0.8 in.

Temperature in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest Otopeni Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Otopeni Intl. Reviews last updated febrero 20, 2025.
See what other customers who have flown with Delta, KLM and LOT from Illinois to Bucharest have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,080 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Otopeni Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Bucharest Otopeni Intl Airport one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $399. However, be on the lookout for offers from Air France and Delta, as they are both options that can get you from Illinois to Bucharest Otopeni Intl Airport for a low price.

  • What are the most popular routes from Illinois to Bucharest Otopeni Intl Airport?

    The most popular flight routes from Illinois to Bucharest Otopeni Intl Airport are Chicago O'Hare Intl - Bucharest Otopeni Intl, Chicago Midway - Bucharest Otopeni Intl and Lambert-St Louis - Bucharest Otopeni Intl.

  • Can I find deals for flights from Illinois to Otopeni Intl that include hotel bookings?

    Yes. In addition to deals on Illinois to Otopeni Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Otopeni Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Otopeni Intl.

  • Can I find deals for business class flights from Illinois to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Illinois to Otopeni Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Bucharest Otopeni Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Bucharest Otopeni Intl Airport (average of $604). Flying from Illinois to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Otopeni Intl

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Top 10 airlines flying from Illinois to Otopeni Intl

Discover the top 10 airlines that operate flights from Illinois to Otopeni Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$513Average$604FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$521Average$712FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$535Average$999FlexibilityNo cancel feeOn-time76%
LOTCheapest$537Average$1,036FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$552Average$780FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$1,065FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$576Average$866FlexibilityNo cancel feeOn-time69%
KLMCheapest$582Average$909FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$588Average$808FlexibilityNo cancel feeOn-time78%
SWISSCheapest$610Average$926FlexibilityNo cancel feeOn-time79%
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