Portland, ME PWM to San Francisco, CA SFO Flights

Cheap plane tickets from Portland, ME to San Francisco, CA can start from as little as $366 (€298) when you book in advance. The average flight ticket price for Portland, ME to San Francisco, CA is $366 (€298) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.

The average journey time by plane from Portland, ME to San Francisco, CA is 9h 50m to travel the 2716 miles (4372 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.

The earliest flight from Portland, ME to San Francisco, CA leaves at 12:21 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from Portland, ME to San Francisco, CA leaves at 11:58 PM.

Flights from Portland, ME to San Francisco, CA generally leave from Portland International Jetport and arrive in San Francisco International Airport.Portland International Jetport is 0 miles (1 km) away from Portland, ME city centre and San Francisco International Airport is 0 miles (1 km) from San Francisco, CA city centre.

The cheapest month for a flight from Portland, ME to San Francisco, CA is June.

It's helpful to compare your options as there are 3 ways to travel between Portland, ME and San Francisco, CA including taking a bus, train, and flight.

Since neither Portland, ME nor San Francisco, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 3 h between Portland, ME and San Francisco, CA all year round.

The best events to attend in San Francisco, CA include:

• Fleet Week, a maritime celebration featuring the Blue Angels and naval ship tours
• Outside Lands, a major music festival showcasing top artists and local food
• Chinese New Year Parade, the largest Lunar New Year celebration outside Asia with colorful floats and performances
• Hardly Strictly Bluegrass, a free music festival in Golden Gate Park featuring a diverse lineup of bluegrass and folk artists.

Some of the most interesting sights to explore in San Francisco, CA are:

• Golden Gate Bridge, an iconic suspension bridge offering panoramic views of the San Francisco Bay
• Alcatraz Island, a historic site featuring the infamous former prison and informative audio tours
• Fisherman's Wharf, a bustling waterfront area known for seafood, shops, and sea lions
• Golden Gate Park, a large urban park with gardens, museums, and recreational activities
• Chinatown, the oldest and one of the largest Chinatowns in North America, offering vibrant culture and cuisine.

The best holidays to experience in San Francisco, CA include:

• Thanksgiving, mild weather and a festive atmosphere with family gatherings
• Christmas, beautiful decorations and holiday spirit throughout the city
• Memorial Day, the start of summer with outdoor activities and parades
• Labor Day, a long weekend perfect for enjoying the city's parks and beaches.

The best things to do in San Francisco, CA include:

• Ride a cable car through the steep streets of San Francisco for a classic city experience
• Explore the vibrant murals and street art in the Mission District
• Visit the Exploratorium, an interactive science museum perfect for all ages
• Take a scenic walk along the Embarcadero, offering views of the Bay Bridge and access to the Ferry Building Marketplace
• Enjoy a wine tasting tour in nearby Napa Valley, a short drive from the city.

The best season to visit San Francisco, CA is Spring or Fall. The best weather to explore San Francisco, CA is during April-June or September-November.

For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.

In San Francisco, travelers should be cautious of pickpocketing and petty theft, especially in crowded areas like Fisherman's Wharf and Union Square. Common scams include distraction techniques used by groups to steal wallets and fake charity solicitations. It's advisable to avoid poorly lit or isolated areas at night and be wary of unofficial taxi services to ensure safety.

Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.