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Maine to San Diego flights take around 5 hours 45 minutes to 6 hours 30 minutes with one connection. The distance from Portland to San Diego sits at roughly 2,585 miles (4,160 kilometers), and all flights require at least one stop. Most travelers fly out of Portland International Jetport (PWM), which has daily connecting flights to San Diego (SAN). Connection points typically include Boston Logan, New York JFK, or Atlanta. San Diego is -3 hours behind Maine time. Factor that into your arrival planning.
Connecting flights from Maine to San Diego run about 5 hours 45 minutes to 6 hours 30 minutes. Flying via Boston Logan typically offers the shortest total travel time.
Delta Air Lines and United Airlines operate the most weekly departures from Portland. American Airlines also runs regular service.
Layovers typically last 1 to 2 hours. Longer connections sometimes cost $50 to $100 less.
San Diego is -3 hours behind Maine during standard time.
Plan for connection time at hub airports. Short layovers (under 60 minutes) can get tight if your first flight runs late.
Fall and spring months often have the lowest fares.
How long is the flight from Maine to San Diego?
The flight from Maine to San Diego takes around 5 hours 45 minutes to 6 hours 30 minutes with one connection. Total travel time depends on your layover city and duration. Flights routing through Boston Logan typically fall on the shorter end.
How far is it from Maine to San Diego?
The distance from Portland to San Diego is approximately 2,585 miles (4,160 kilometers). This medium-haul route requires at least one connection.
What is the time difference between Maine and San Diego?
San Diego is -3 hours behind Maine.
Are there direct flights from Maine to San Diego?
No, there are no direct flights from Maine to San Diego as of 2025. All flights require at least one connection, typically through Boston Logan, New York JFK, or Atlanta.
Which airlines fly from Maine to San Diego?
Delta Air Lines, United Airlines, American Airlines, Southwest Airlines, and JetBlue operate connecting service from Portland to San Diego. Delta Air Lines has the most weekly departures.
Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below. Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Maine Flight Times.
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