The cheapest times to fly from PQI to SFO are

  • January 8th to March 25th
  • April 16th to June 3rd (except the week of May 14th)
  • October 15th to November 11th (except the week of October 29th)

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 PQI to SFO is late January. Prices can be as high as $1001 for Saturday flights during mid June, or as low as $403 for Tuesday flights around late January.


When to Fly to San Francisco

Flying from Presque Isle/Houlton, ME (PQI) to San Francisco, CA (SFO) will usually cost between $403 to $867 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $414. Due to high demand the most expensive time to fly is mid June, with an average price of $762. Planning your trip to low-cost times can easily save you $348 on economy flights and even more on first-class flights. Generally, any price below $537 can be considered a good price for a round-trip PQI to SFO flight.

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

PQI to SFO Flight Prices

Compared to other flights, the PQI to SFO flight is cheaper than the average and costs less than the average flight leaving from Presque Isle. The average price per mile (for a direct flight) is $0.12, 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 $221 (32%) 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 $462. Return trip prices are from the SFO to PQI 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 PQI to SFO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 1 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Northern Maine Regional at Presque Isle Airport?

The distance between the two airports is roughly 2794 miles or 4496 kilometers.

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

The real-world flight time for a nonstop PQI to SFO flight is about 6 hour 1 minutes.

How many flights go between Presque Isle/Houlton, ME and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from PQI to SFO.


Airport Location Info


Departing Airport

Origination code PQI
Origination airport name Northern Maine Regional at Presque Isle Airport
City Presque Isle/Houlton, ME
Country the United States
Latitude 46.7
Longitude -68

Return Airport

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


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.