The cheapest times to fly from SFO to RKD are

  • January 1st to March 11th
  • August 13th to December 16th (except the weeks of August 27th, October 1st, and 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 SFO to RKD is early November. Prices can be as high as $1282 for Sunday flights during late July, or as low as $499 for Tuesday flights around early November.


When to Fly to Rockland

Flying from San Francisco, CA (SFO) to Rockland, ME (RKD) will usually cost between $527 to $921 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $515. Due to high demand the most expensive time to fly is late July, with an average price of $964. Planning your trip to low-cost times can easily save you $449 on economy flights and even more on first-class flights. Generally, any price below $671 can be considered a good price for a round-trip SFO to RKD flight.

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

SFO to RKD Flight Prices

Compared to other flights, the SFO to RKD flight is cheaper than the average and costs less than the average flight leaving from San Francisco. 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 depart and return on this flight. Sundays 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 $126 (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 $639. Return trip prices are from the RKD to SFO 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 SFO to RKD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 58 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 SFO to RKD while comparing.

Destination alternative #1: Manchester-Boston Regional Airport (MHT) in Manchester, NH

  • 141 miles (227 km) away from RKD
  • Usually 45.12% less expensive than RKD
  • 1-layover flights available

See SFO to MHT flights

Destination alternative #2: Portland International Jetport Airport (PWM) in Portland, ME

  • 67 miles (108 km) away from RKD
  • Usually 42.13% less expensive than RKD
  • 1-layover flights available

See SFO to PWM flights

Destination alternative #3: Bangor International Airport (BGR) in Bangor, ME

  • 53 miles (85 km) away from RKD
  • Usually 31.69% less expensive than RKD
  • 1-layover flights available

See SFO to BGR flights

Destination alternative #4: Augusta State Airport (AUG) in Augusta/Waterville, ME

  • 39 miles (63 km) away from RKD
  • Usually 18.49% less expensive than RKD
  • 1-layover flights available

See SFO to AUG flights


Flight Hacking SFO to RKD

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 SFO to RKD — but Champion Traveler does!

Hack #1: Boston, MA (SFO > BOS > RKD)

  • Price for both tickets: $605
  • Average savings: $66 (9.77%)

See SFO to BOS flights


Flight Questions Answered

Still have questions about flying from SFO to RKD? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, Cape Air, Delta, JetBlue, United, and potentially more during busy seasons.

How far away is it from Knox County Regional Airport to San Francisco International Airport?

The distance between the two airports is roughly 2771 miles or 4459 kilometers.

How long does it take to fly from SFO to RKD?

The real-world flight time for a nonstop SFO to RKD flight is about 5 hour 58 minutes.

How many flights go between San Francisco, CA and Rockland, ME?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from SFO to RKD.


Airport Location Info


Departing Airport

Origination code SFO
Origination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4

Return Airport

Destination code RKD
Destination airport name Knox County Regional Airport
City Rockland, ME
Country the United States
Latitude 44.1
Longitude -69.1


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.