The cheapest times to fly from ORD to UTP are

  • January 15th to May 6th (except the week of April 2nd)
  • August 6th to September 16th
  • October 29th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to UTP is mid November. Prices can be as high as $4297 for Friday flights during late December, or as low as $1537 for Tuesday flights around mid November.


When to Fly to Pattaya City

Flying from Chicago, IL (ORD) to Utapao (UTP) will usually cost between $1640 to $3077 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1687. Due to high demand the most expensive time to fly is late December, with an average price of $3729. Planning your trip to low-cost times can easily save you $2042 on economy flights and even more on first-class flights. Generally, any price below $2039 can be considered a good price for a round-trip ORD to UTP flight.

See below for a graph of average weekly prices for the ORD to UTP route. All prices are for round-trip tickets in USD.

ORD to UTP Flight Prices

Compared to other flights, the ORD to UTP flight is more expensive than the average and costs more than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to UTP, and Monday the cheapest day to fly back into ORD. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $151 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $2082. Return trip prices are from the UTP to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to UTP can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 29 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ORD to UTP while comparing.

Destination alternative #1: Suvarnabhumi International Airport (BKK) in Bangkok

  • 71 miles (114 km) away from UTP
  • Usually 64.96% less expensive than UTP
  • 1-layover flights available

See ORD to BKK flights


Flight Hacking ORD to UTP

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ORD to UTP — but Champion Traveler does!

Hack #1: Chiang Mai (ORD > CNX > UTP)

  • Price for both tickets: $910
  • Average savings: $1130 (55.39%)

See ORD to CNX flights

Hack #2: Kuala Lumpur (ORD > KUL > UTP)

  • Price for both tickets: $911
  • Average savings: $1129 (55.35%)

See ORD to KUL flights

Hack #3: Phuket (ORD > HKT > UTP)

  • Price for both tickets: $928
  • Average savings: $1112 (54.51%)

See ORD to HKT flights


Flight Questions Answered

Still have questions about flying from ORD to UTP? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air India, ANA, Bangkok Airways, Cathay Pacific, China Southern, Emirates, Etihad, EVA Air, Finnair, Hainan, JAL, Lufthansa, Qatar Airways, SAS, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from U-Tapao Pattaya International Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 8616 miles or 13866 kilometers.

How long does it take to fly from ORD to UTP?

The real-world flight time for a nonstop ORD to UTP flight is about 16 hour 29 minutes.

How many flights go between Chicago, IL and Utapao?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from ORD to UTP.


Airport Location Info


Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States

Return Airport

Destination codeUTP
Destination airport nameU-Tapao Pattaya International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.