On this page, you can book flight tickets from South Portland to San Francisco. The straight-line distance between the cities is 4,384 km, which requires careful planning of travel time and choosing the optimal flight.
United Airlines operates flights on this route. Since ticket prices are dynamic, use the low price calendar to find great deals. Information is also available on how to get to the airport of departure and how to get from the airport to downtown San Francisco.
Below is a calendar of the lowest flight ticket prices for South Portland — San Francisco by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 905 in y, and the most expensive are around AED 1,047 in F. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
South Portland → San Francisco, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 774 | low | May | AED 884 | medium | Sep | AED 626 | low |
| Feb | AED 811 | low | Jun | AED 1,032 | high | Oct | AED 737 | low |
| Mar | AED 995 | high | Jul | AED 1,069 | high | Nov | AED 1,142 | high |
| Apr | AED 848 | low | Aug | AED 995 | medium | Dec | AED 1,105 | high |
Some values are estimated based on seasonality.
The climate in San Francisco is characterized by its mildness, with September being the warmest month, featuring daytime temperatures of around +24.4°C. The coolest and rainiest period is considered to be December and January, when up to 108 mm of precipitation falls and the temperature drops to +7.2°C.
According to available data, the most affordable flights are recorded in August — ticket prices start AED 931. In September, the minimum price is AED 1,051, making the beginning of autumn an attractive period for booking as well.
August and September can be considered the optimal time for a trip: this is a period of minimal precipitation and moderate prices. Winter months should be avoided if you prefer the driest weather possible and the absence of frequent fog.
On the route from South Portland to San Francisco, the majority of air service is provided by United Airlines. The carrier offers both one-stop options and more complex itineraries depending on the day of the week. A detailed schedule, flight frequency, and details for each offer are available in the interactive list below.
Flights South Portland — San Francisco depart from Portland International Jetport and arrive at San Francisco International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 4,384 km. The approximate flight time for a direct flight is about 5–6 hours; however, most flights on this route involve layovers, which increases the total travel time.
Regular flights between South Portland (PWM) and San Francisco (SFO) are operated by United Airlines.
The availability of direct flights depends on the current schedule. Most often, flights are operated with one connection at major US hub airports.
Flight prices change constantly depending on demand and the departure date. You can find the current minimum for your travel period in the low price calendar on this page.
When arriving in San Francisco, planes usually land at San Francisco International Airport (SFO).
Where travelers fly most — pick a route and check prices
