Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from SFO to BOS was €217. Fares this cheap don’t wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.

Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SFO to Logan Intl. Airport flights, you’ll see a “no change fees” filter for you to select.

With around 4,300 kilometres separating San Francisco Airport and Logan Intl. Airport (BOS), your flight will be a long one. Pack wisely and make your trip more comfortable. Simple things like warm clothing and a quality neck pillow can make a massive difference.

Have a look at the deals on offer with these top carriers and book your ticket from San Francisco Airport to Logan Intl. Airport (BOS) today:

• JetBlue Airways - (B6) with 143 monthly flights
• United Airlines - (UA) with 121 monthly flights
• Delta Air Lines - (DL) with 56 monthly flights
• Alaska Airlines - (AS) with 30 monthly flights

Booking your trip from San Francisco Airport to BOS last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you’d prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.