The cheapest times to fly from DTW to PNH are

  • January 1st to April 22nd
  • October 8th 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 DTW to PNH is mid November. Prices can be as high as $2512 for Friday flights during late July, or as low as $1022 for Tuesday flights around mid November.


When to Fly to Phnom Penh

Flying from Detroit, MI (DTW) to Phnom Penh (PNH) will usually cost between $1069 to $1948 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 $1113. Due to high demand the most expensive time to fly is late July, with an average price of $2208. Planning your trip to low-cost times can easily save you $1095 on economy flights and even more on first-class flights. Generally, any price below $1566 can be considered a good price for a round-trip DTW to PNH flight.

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

DTW to PNH Flight Prices

Compared to other flights, the DTW to PNH flight is more expensive than the average and costs slightly more than the average flight leaving from Detroit. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. 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 $284 (16%) 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 $1424. Return trip prices are from the PNH to DTW 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 DTW to PNH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 37 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 DTW to PNH while comparing.

Destination alternative #1: Tan Son Nhat International Airport (SGN) in Ho Chi Minh City

  • 132 miles (212 km) away from PNH
  • Usually 32.10% less expensive than PNH
  • 1-layover flights available

See DTW to SGN flights


Flight Hacking DTW to PNH

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 DTW to PNH — but Champion Traveler does!

Hack #1: New York, NY (DTW > JFK > PNH)

  • Price for both tickets: $1019
  • Average savings: $547 (34.91%)

See DTW to JFK flights

Hack #2: Los Angeles, CA (DTW > LAX > PNH)

  • Price for both tickets: $1102
  • Average savings: $464 (29.61%)

See DTW to LAX flights

Hack #3: New York, NY (DTW > LGA > PNH)

  • Price for both tickets: $1126
  • Average savings: $440 (28.11%)

See DTW to LGA flights


Flight Questions Answered

Still have questions about flying from DTW to PNH? We’ve got answers.

Which airlines fly this route?

You can find 28 major airlines flying this route most often: Air Canada, Air China, Air France, Alaska, American, ANA, Asiana, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, EVA Air, JetBlue, KLM, Korean Air, Lufthansa, Qatar Airways, Royal Air Maroc, Shanghai Airlines, Shenzhen, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines, and potentially more during busy seasons.

How far away is it from Phnom Penh International Airport to Detroit Metro Wayne County Airport?

The distance between the two airports is roughly 8684 miles or 13976 kilometers.

How long does it take to fly from DTW to PNH?

The real-world flight time for a nonstop DTW to PNH flight is about 16 hour 37 minutes.

How many flights go between Detroit, MI and Phnom Penh?

It depends on the day of the week and the date, but a typical day might have around 69 available flights from DTW to PNH.


Airport Location Info


Departing Airport

Origination code DTW
Origination airport name Detroit Metro Wayne County Airport
City Detroit, MI
Country the United States
Latitude 42.2
Longitude -83.4

Return Airport

Destination code PNH
Destination airport name Phnom Penh International Airport
City Phnom Penh
Country Cambodia
Latitude 11.5
Longitude 104.8


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.