Cheap Flights from San Francisco International to Bangor

Compare San Francisco International to Bangor flight deals

Find the cheapest month or even day of the year to fly to Bangor

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Flight deals from San Francisco International to Bangor

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Bangor Airport? If you want to travel next month, return fares start from R 8,459. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Bangor

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

San Francisco International to Bangor: Alternative routes

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

San Francisco to Bangor: Flight information

The things to know before you go.
Cheapest flight foundR 3,840
Cheapest month to flyMay

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

The best price we found for a return flight from San Francisco International to Bangor is R 7,772. 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.
Currently, there are no airlines that fly direct from San Francisco International to Bangor. But we found flights with one or more stops from R 7,772.
As of May 2026, there are no flights flying from San Francisco International to Bangor.
The cheapest month to fly from San Francisco International to Bangor is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Bangor Airport on Tuesday, 19 May 2026.
No airlines currently offer direct flights between San Francisco International Airport and Bangor Airport. Most routes have one or more stops.
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 Bangor 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangor is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Bangor.

Travelling from San Francisco International Airport (SFO) to Bangor International Airport (BGR): what you need to know

  • Get to the airport on time so you don't miss your SFO to BGR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak month like August? Public holidays and other popular seasons can lead to longer queues and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from San Francisco International Airport to Bangor International Airport. These are the most popular stopovers between SFO and BGR:

    • O'Hare International Airport

    • John F. Kennedy International Airport

    • Philadelphia International Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Bangor International Airport (BGR)

  • The cheapest price we've found for a one-way San Francisco International Airport to Bangor International Airport flight is R 3,840. A round-trip ticket is currently R 7,772. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last moment. You're more likely to get cheap tickets from SFO to BGR if you book in advance. Airlines often offer some amazing early bird deals.

  • Finding cheap flights from San Francisco International Airport to Bangor International Airport is more likely if you're flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across the month and score a great deal.

  • Picking up cheap flights from SFO to BGR is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Lock in the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from San Francisco International Airport to Bangor International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about San Francisco International Airport (SFO)

  • When it comes to San Francisco International Airport's on-time performance, data shows 77.36% of flights meet their scheduled arrival time.

  • Central San Francisco to San Francisco International Airport is approximately 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The journey when using public transport takes roughly 45 minutes.

  • Catching an early flight from San Francisco International Airport to Bangor International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels close to SFO:

Arriving at Bangor International Airport (BGR)

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a San Francisco International Airport to Bangor International Airport flight. Book one of these accommodation options near BGR instead:

  • Grab a Bangor International Airport rental car and explore Bangor and beyond with your own set of wheels. Budget, Dollar and Enterprise are popular outlets to choose from here.

  • To lock in the best rate, book your vehicle from Bangor International Airport at least a couple of weeks in advance. Prices generally rise closer to your travel date.

Getting from Bangor International Airport (BGR) to central Bangor

  • BGR is located at 287 Godfry Boulevard.

  • From Bangor International Airport, Bangor is approximately 5 kilometres away. It takes around 10 minutes to reach the centre by car.

When to fly to Bangor International Airport (BGR)

  • August is the busiest month for flights from San Francisco International Airport to Bangor International Airport. To avoid the crowds, visit Bangor in March.

  • The warmest month in Bangor is July, with the temperature ranging between 13ºC (55ºF) and 28ºC (82ºF). Book your flights from San Francisco International Airport to Bangor International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from SFO to BGR in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -15ºC (5ºF) and 1ºC (34ºF) on average.

Explore more of United States

  • Boston is just one of the many cities in United States waiting to be explored after you've seen Bangor. Around 322 kilometres away to the south-west, well-known attractions include Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

  • Around 370 kilometres south-west of Bangor, Worcester is another favourite stop in United States. Start your sightseeing at Worcester Art Museum, EcoTarium and Green Hill Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.