The cheapest times to fly from RDU to LIH are

  • January 1st to March 4th (except the week of February 12th)
  • August 6th to December 16th (except the week of November 19th)

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 RDU to LIH is late September. Prices can be as high as $1401 for Saturday flights during late December, or as low as $577 for Tuesday flights around late September.


When to Fly to Kauai

Flying from Raleigh/Durham, NC (RDU) to Lihue, HI (LIH) will usually cost between $610 to $1147 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $634. Due to high demand the most expensive time to fly is late December, with an average price of $1166. Planning your trip to low-cost times can easily save you $532 on economy flights and even more on first-class flights. Generally, any price below $844 can be considered a good price for a round-trip RDU to LIH flight.

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

RDU to LIH Flight Prices

Compared to other flights, the RDU to LIH flight is cheaper than the average and costs about as much as the average flight leaving from Raleigh. 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. Saturdays 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 $177 (18%) 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 $785. Return trip prices are from the LIH to RDU 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 RDU to LIH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 41 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 RDU to LIH while comparing.

Destination alternative #1: Daniel K Inouye International Airport (HNL) in Honolulu, HI

  • 102 miles (164 km) away from LIH
  • Usually 9.83% less expensive than LIH
  • 1-layover flights available

See RDU to HNL flights


Flight Hacking RDU to LIH

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 RDU to LIH — but Champion Traveler does!

Hack #1: Kahului, HI (RDU > OGG > LIH)

  • Price for both tickets: $808
  • Average savings: $36 (4.27%)

See RDU to OGG flights

Hack #2: San Jose, CA (RDU > SJC > LIH)

  • Price for both tickets: $835
  • Average savings: $10 (1.13%)

See RDU to SJC flights

Hack #3: Vancouver (RDU > YVR > LIH)

  • Price for both tickets: $835
  • Average savings: $10 (1.13%)

See RDU to YVR flights


Flight Questions Answered

Still have questions about flying from RDU to LIH? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Hawaiian, Southwest, United, and potentially more during busy seasons.

How far away is it from Lihue Airport to Raleigh-Durham International Airport?

The distance between the two airports is roughly 4833 miles or 7778 kilometers.

How long does it take to fly from RDU to LIH?

The real-world flight time for a nonstop RDU to LIH flight is about 9 hour 41 minutes.

How many flights go between Raleigh/Durham, NC and Lihue, HI?

It depends on the day of the week and the date, but a typical day might have around 82 available flights from RDU to LIH.


Airport Location Info


Departing Airport

Origination code RDU
Origination airport name Raleigh-Durham International Airport
City Raleigh/Durham, NC
Country the United States
Latitude 35.9
Longitude -78.8

Return Airport

Destination code LIH
Destination airport name Lihue Airport
City Lihue, HI
Country the United States
Latitude 22
Longitude -159.3


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.