- Must visit
California Academy of Sciences
Renowned science museum with rainforest dome, aquarium, and planetarium. Interactive exhibits make it a standout for all ages.
Flights from Portland, ME to San Francisco, CA depart on average 32 times per day, taking around 8h 52m. Cheap flight tickets for this journey start at $153 (€126) if you book in advance.
The earliest flight runs at 00:21, the last at 23:58. The fastest flight covers the 2716 miles (4372 km) distance in 8h 52m. June is the cheapest month to fly.
Distance 2716 miles (4372 km) |
Average flight duration 8h 52m |
Cheapest ticket price $153 (€126) |
Flights per day 32 |
Fastest flight 8h 52m |
First flight 12:21 AM |
Last flight 11:58 PM |
Cheapest Month Jun |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Apr - Jun |
Omio recommends booking the bus as it is the most popular option from Portland, ME to San Francisco, CA among Omio's users. If you are prioritising price take the flight with prices starting from $153. For those with little time consider booking a flight which can get you there in 8h 52m. The ticket price range depends on the travel mode: a flight costs an average of $153, and a train costs an average of $306.
Distance: 2716 miles (4372 km)
| Flight | Most popular Bus | Train |
|---|---|---|
$153 Average price Cheapest | $256 Average price | $306 Average price |
11h 52m Average total duration Fastest 8h 52m Onboard + 3h 0m Additional time* | 92h 0m Average total duration 91h 30m Onboard + 30m Additional time* | 82h 45m Average total duration 82h 15m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portland, ME to San Francisco, CA:
A flight is $103 (€85) less than a bus for this route with tickets for a bus from Portland, ME to San Francisco, CA costing on average $256 (€211).
A flight is $153 (€126) less than a train for this route with tickets for a train from Portland, ME to San Francisco, CA costing on average $306 (€253).
Other travel options to San Francisco, CA take longer:
Train takes on average 82h 15m.
Bus takes on average 91h 30m.
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of San Francisco — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Francisco trip today.
Renowned science museum with rainforest dome, aquarium, and planetarium. Interactive exhibits make it a standout for all ages.
Major fine arts museum in Golden Gate Park with American art, textiles, and a panoramic tower. A classic cultural highlight.
Leading modern and contemporary art museum with landmark architecture and strong global collections. Essential for art-focused visitors.
Large urban park with gardens, lakes, museums, and trails. It is a must for relaxing, walking, and seeing several major attractions.
Steeply curving block lined with flowers and grand homes. This famous street offers classic photos and a quintessential San Francisco scene.
Popular waterfront promenade with bay views, piers, and ferries. Great for walking, people-watching, and connecting to nearby sights.
A crusty loaf with a tangy flavor shaped by the city’s historic wild yeast culture. It is one of San Francisco’s most iconic foods.
Fresh local Dungeness crab, often cracked and served simply or in cioppino. It is a Bay Area seasonal specialty tied to the fishing waterfront.
A tomato-based seafood stew created by Italian American fishermen in North Beach. It is a classic San Francisco dish built from the day’s catch.
Celebrated fine dining destination known for inventive tasting menus and polished service in an elegant, intimate setting.
Historic North Beach seafood house famous for cioppino, crab, and old-school San Francisco waterfront charm.
Legendary Mission taqueria known for large Mission-style burritos and a lively, no-frills local atmosphere.
Very high hotel, dining, and transport costs make San Francisco pricier than most US cities and many major tourist destinations.
Tip 18-20% at restaurants, 15-20% for taxis, and round up or tip $1 at cafes for good service.
Find answers to the most common questions about traveling from Portland, ME to San Francisco, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Francisco, CA, this guide helps you travel smarter and with confidence.

Most Portland, ME to San Francisco, CA flights use the Portland International Jetport to San Francisco International Airport airport pair. Use this guide to compare Portland, ME and San Francisco, CA airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Portland International Jetport is 1 km from Portland city centre. Public transport options include:
Portland International Jetport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants available include Linda Bean's Lobster Cafe and Starbucks in the terminal.
Free Wi-Fi available throughout the airport. ATMs are located near the baggage claim area.
Lost and found is available at the station.
Available at Portland International Jetport: Parking, Taxis, WC.
Available at Portland International Jetport: Car Rental.
Accessibility facilities are available at Portland International Jetport: Elevators, ramps.
San Francisco International Airport is 1 km from San Francisco city centre. Public transport options include:
San Francisco International Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport. ATMs are located throughout all terminals.
Lost and found is available at the station.
Available at San Francisco International Airport: Parking, Taxis, WC.
Accessibility facilities are available at San Francisco International Airport: Elevators, ramps, toilets.
Here are some other resources that might have the information you need