Cheap Flights from San Francisco International to Boston Logan International

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Compare San Francisco International to Boston Logan International flight deals

Find the cheapest month or even day of the year to fly to Boston Logan International

Book the best Boston Logan International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from San Francisco International to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Boston Logan International Airport? If you want to travel next month, return fares start from Rs79,647. Find the lowest prices on one-way and return tickets right here.

Boston.Rs38,811 per passenger.Departing Tue, 17 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 17 Nov, arriving in Boston Logan International.Price includes taxes and charges.From Rs38,811, select.

Boston.Rs38,924 per passenger.Departing Mon, 26 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 26 Oct, arriving in Boston Logan International.Price includes taxes and charges.From Rs38,924, select.

Boston.Rs42,406 per passenger.Departing Tue, 29 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 29 Sep, arriving in Boston Logan International.Price includes taxes and charges.From Rs42,406, select.

Boston.Rs42,887 per passenger.Departing Sat, 31 Oct.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from San Francisco International on Sat, 31 Oct, arriving in Boston Logan International.Price includes taxes and charges.From Rs42,887, select.

Boston.Rs43,142 per passenger.Departing Wed, 18 Nov.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from San Francisco International on Wed, 18 Nov, arriving in Boston Logan International.Price includes taxes and charges.From Rs43,142, select.

Boston.Rs43,209 per passenger.Departing Sat, 12 Dec.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from San Francisco International on Sat, 12 Dec, arriving in Boston Logan International.Price includes taxes and charges.From Rs43,209, select.

Boston.Rs45,299 per passenger.Departing Tue, 29 Sep.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Tue, 29 Sep, arriving in Boston Logan International.Price includes taxes and charges.From Rs45,299, select.

Boston.Rs48,130 per passenger.Departing Tue, 5 Jan.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Tue, 5 Jan, arriving in Boston Logan International.Price includes taxes and charges.From Rs48,130, select.

Boston.Rs52,441 per passenger.Departing Wed, 21 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Wed, 21 Apr, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,441, select.

Boston.Rs52,557 per passenger.Departing Fri, 18 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Fri, 18 Jun, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,557, select.

Boston.Rs52,557 per passenger.Departing Mon, 8 Feb.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Mon, 8 Feb, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,557, select.

Boston.Rs52,557 per passenger.Departing Mon, 18 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Mon, 18 Jan, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,557, select.

Boston.Rs52,732 per passenger.Departing Tue, 25 May.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Tue, 25 May, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,732, select.

Boston.Rs52,925 per passenger.Departing Wed, 17 Mar.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Wed, 17 Mar, arriving in Boston Logan International.Price includes taxes and charges.From Rs52,925, select.

Boston.Rs58,052 per passenger.Departing Tue, 13 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from San Francisco International on Tue, 13 Jul, arriving in Boston Logan International.Price includes taxes and charges.From Rs58,052, select.

Find the cheapest month to fly from San Francisco International to Boston Logan International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Boston Logan International flights are currently cheapest in November.

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Direct flights from San Francisco International to Boston Logan International

San Francisco International to Boston Logan International: Alternative routes

Compare routes from San Francisco International to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

San Francisco to Boston: Flight information

The things to know before you go.

Cheapest flight found	Rs38,811
Cheapest month to fly	November
Average flight time	5 hrs, 45 mins
Most popular airline	jetBlue
Average flights per week	369

Finding cheap flights from San Francisco International to Boston Logan International: Frequently asked questions

How much are return flights from San Francisco International to Boston Logan International?

The best price we found for a return flight from San Francisco International to Boston Logan International is Rs79,647. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from San Francisco International to Boston Logan International?

5 hours and 45 minutes is the average flight time from San Francisco International to Boston Logan International.

Which airlines fly direct from San Francisco International to Boston Logan International?

jetBlue, United and Air New Zealand fly direct from San Francisco International to Boston Logan International.

How many flights are there a week from San Francisco International to Boston Logan International?

As of September 2026, there are 369 flights per week flying from San Francisco International to Boston Logan International.

When is the cheapest time to fly from San Francisco International to Boston Logan International?

The cheapest month to fly from San Francisco International to Boston Logan International is usually October.

Which upcoming date is cheapest to fly from San Francisco International Airport to Boston Logan International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Boston Logan International Airport on Tuesday, 20 October 2026.

Can I get a direct flight from San Francisco International Airport to Boston Logan International Airport?

Yes – the average flight time is 5 hours and 45 minutes.

How can I find the best flight deal to Boston Logan International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston Logan International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from San Francisco International Airport to Boston Logan International with?

Currently, Frontier Airlines and jetBlue offer the cheapest flight tickets to Boston Logan International.

Travelling from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS): what you need to know

The average duration of a direct flight from San Francisco International Airport to Boston Logan International Airport is 5 hours 50 minutes.
Boston is three hours ahead of San Francisco and follows the UTC-5 timezone.
Choose from 103 weekly San Francisco International Airport to Boston Logan International Airport flights. The 06:00 departure with JetBlue Airways is the earliest flight you can take. JetBlue Airways operates the last service of the day at 23:59.
Give yourself enough time to catch your SFO to BOS flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying during a peak time like July? Public holidays and other popular seasons can mean longer queues at airport checkpoints. Be extra cautious and get there up to four hours before an international flight and two hours before domestic departures.
You'll find a variety of airlines operating direct flights from San Francisco International Airport to Boston Logan International Airport. When you're ready to start your Boston adventure, let one of these carriers fly you to this exciting part of the United States:
United tops the list for bookings on this route.
Alaska Airlines ranks as the leading on-time carrier for SFO to BOS flights, with 85.45% of services arriving as scheduled.
Consider adding a stopover when booking your ticket from San Francisco International Airport to Boston Logan International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here are some options between SFO and BOS:
- Denver International Airport
- Detroit Wayne County Airport
- St Louis Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS)

Rs38,811 is currently the lowest price for a one-way San Francisco International Airport to Boston Logan International Airport flight. Return flights start from Rs79,647. These prices may change depending on demand.
It's often best to book as early as possible if you want to find cheap tickets from SFO to BOS. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.
The cheapest month for flights from San Francisco International Airport to Boston Logan International Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.
Landing cheap flights from SFO to BOS is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a lower fare pops up.
Tailor your trip using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from San Francisco International Airport to Boston Logan International Airport.

Handy information about San Francisco International Airport (SFO)

78% of flights that leave from San Francisco International Airport touch down at their destination on schedule.
To reach San Francisco International Airport from central San Francisco, it'll take around 25 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 21 kilometres from the airport to the city centre.
The trip when using public transport takes about 35 minutes.
Get your travels off to a hassle-free start by staying near SFO. Whether you have an early flight from San Francisco International Airport to Boston Logan International Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Boston Logan International Airport (BOS)

Consider booking a hotel near BOS if you're catching a late San Francisco International Airport to Boston Logan International Airport flight. Settle into one of these options and make your arrival easier:
Hit the road running by picking up a Boston Logan International Airport rental car. Grab your wheels from Dollar, Budget or Thrifty and experience the lesser-explored corners of Boston and beyond.
Booking your ride from Boston Logan International Airport about one week ahead can help you get the lowest rate.

Getting from Boston Logan International Airport (BOS) to central Boston

BOS is located at One Harborside Drive.
From Boston Logan International Airport, Boston is approximately 8 kilometres away. It takes around 20 minutes to get to the centre driving.
It typically takes 25 minutes if you're travelling on public transport.

When to fly to Boston Logan International Airport (BOS)

July is the busiest month for flights from San Francisco International Airport to Boston Logan International Airport. For a quieter experience, travel to Boston in March.
Book your flight from San Francisco International Airport to Boston Logan International Airport for July if you'd like to go to Boston during its warmest month. Expect temperatures of between 16ºC and 29ºC.
If you'd rather travel in cooler conditions, search for a cheap ticket from SFO to BOS in January. Temperatures average between -8ºC and 6ºC then.

Explore more of the United States

You've seen Boston, now it's time to discover more of the United States. Journey around 306 kilometres south-west to New York to check off its popular sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.
Philadelphia is another essential stop in the United States and is around 434 kilometres south-west of Boston. No trip is complete without dropping by Independence Hall, Liberty Bell and Philadelphia Museum of Art.