The cheapest times to fly from EUG to SUN are

  • January 1st to March 4th (except the week of February 12th)
  • March 26th to May 13th (except the week of April 2nd)
  • July 2nd to July 22nd (except the week of July 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 EUG to SUN is early January. Prices can be as high as $835 for Friday flights during late December, or as low as $210 for Tuesday flights around early January.


When to Fly to Sun Valley

Flying from Eugene, OR (EUG) to Sun Valley/Hailey/Ketchum, ID (SUN) will usually cost between $281 to $627 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early January with an average ticket price of $262. Due to high demand the most expensive time to fly is late December, with an average price of $643. Planning your trip to low-cost times can easily save you $381 on economy flights and even more on first-class flights. Generally, any price below $398 can be considered a good price for a round-trip EUG to SUN flight.

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

EUG to SUN Flight Prices

Compared to other flights, the EUG to SUN flight is much cheaper than the average and costs much less than the average flight leaving from Eugene. The average price per mile (for a direct flight) is $0.55, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to SUN, and Wednesday the cheapest day to fly back into EUG. Fridays are the most expensive days to fly to Sun Valley, and Sundays are the most expensive days to return to Eugene. Selecting flights on the least expensive days could save you up to $108 (23%) 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 $353. Return trip prices are from the SUN to EUG 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 EUG to SUN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 47 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 EUG to SUN while comparing.

Destination alternative #1: Boise Air Terminal Airport (BOI) in Boise, ID

  • 97 miles (156 km) away from SUN
  • Usually 35.68% less expensive than SUN
  • 1-layover flights available

See EUG to BOI flights

Destination alternative #2: Pocatello Regional Airport (PIH) in Pocatello, ID

  • 95 miles (153 km) away from SUN
  • Usually 15.58% less expensive than SUN
  • 1-layover flights available

See EUG to PIH flights


Flight Questions Answered

Still have questions about flying from EUG to SUN? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Friedman Memorial Airport to Mahlon Sweet Field Airport?

The distance between the two airports is roughly 446 miles or 718 kilometers.

How long does it take to fly from EUG to SUN?

The real-world flight time for a nonstop EUG to SUN flight is about 1 hour 47 minutes.

How many flights go between Eugene, OR and Sun Valley/Hailey/Ketchum, ID?

It depends on the day of the week and the date, but a typical day might have around 37 available flights from EUG to SUN.


Airport Location Info


Departing Airport

Origination code EUG
Origination airport name Mahlon Sweet Field Airport
City Eugene, OR
Country the United States
Latitude 44.1
Longitude -123.2

Return Airport

Destination code SUN
Destination airport name Friedman Memorial Airport
City Sun Valley/Hailey/Ketchum, ID
Country the United States
Latitude 43.5
Longitude -114.3


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.