Cheap Flights from San Francisco (SFO) to Plymouth (PLH)

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City) cost?
Get a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between SFO and PLH. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SFO to PLH flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City)?
Nonstop flights from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to PLH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City)?
Book a flight from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City) last-minute?
Last-minute bookings from SFO to PLH are usually more expensive. For the lowest prices, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a SFO to PLH flight and hotel package?
Opting for a SFO to PLH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Plymouth (PLH-Plymouth City)?
Usually, it's possible to cancel or reschedule your SFO to PLH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Plymouth City
Distance
5293 mi

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San Francisco to Plymouth Flights

The cheapest times to fly from San Francisco to Plymouth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Plymouth are during the month of . You can find some of the cheapest flights from San Francisco to Plymouth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Plymouth

Sunday is one of the best days to book for cheap flights from San Francisco to Plymouth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Plymouth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Plymouth in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Plymouth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Plymouth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Plymouth Flights

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*Available to One Key members.