How long is the flight from Bangor, Maine to San Francisco?

Departing from Bangor, Maine to San Francisco will take you 9h 51m. The distance from Bangor, Maine to San Francisco is about 2774 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Bangor, Maine to San Francisco round-trip?

Flying on American Airlines is currently your cheapest option to San Francisco, with prices starting at $308. Another option worth looking into is United Airlines, starting at $383 round trip. American Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from BGR to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangor, Maine to San Francisco as you normally would.

Most accurate provider : When it comes to deals on Bangor, Maine-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bangor, Maine-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bangor, Maine-San Francisco flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Bangor, Maine-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangor, Maine-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Bangor to San Francisco that include hotel bookings?

Yes. In addition to deals on Bangor to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Bangor to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangor to San Francisco.

Can I find deals for business class flights from Bangor to San Francisco?

Yes. Cheapflights offers flight deals from Bangor to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$286+ Cheap Flights from Bangor, ME to San Francisco

Q: How much does it cost to fly round-trip from Bangor, Maine to San Francisco?

Airfare is below average for this route at the moment. Bangor, Maine to San Francisco flights typically cost between $413 and $836 in January. The cheapest round-trip price found within the last 3 days was $309 on American Airlines (Jan 10-Jan 31).

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Find flight deals from Bangor to San Francisco

Cheapest flights from Bangor to San Francisco
Explore the most affordable flight options available from Bangor to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

jue. 12/43:46 pmBGR - SFO

1 stop9h 42mAmerican Airlines

lun. 12/812:08 pmSFO - BGR

1 stop8h 05mAmerican Airlines

Deal found 10/26

$309

sáb. 11/156:00 amBGR - SFO

2 stops15h 14mDelta

mar. 11/187:15 amSFO - BGR

2 stops13h 13mDelta

Deal found 10/25

$319

mar. 11/113:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

sáb. 11/158:00 amSFO - BGR

2 stops11h 07mAmerican Airlines

Deal found 10/27

$374

dom. 11/2312:41 pmBGR - SFO

2 stops12h 52mAmerican Airlines

mié. 12/3111:35 pmSFO - BGR

1 stop10h 33mAmerican Airlines

Deal found 10/28

$389

mar. 11/1111:48 amBGR - SFO

2 stops15h 25mDelta

vie. 11/1412:30 amSFO - BGR

2 stops10h 52mDelta

Deal found 10/27

$399

sáb. 11/153:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

mar. 11/1812:08 pmSFO - BGR

1 stop8h 05mAmerican Airlines

Deal found 10/25

$409

mié. 11/53:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

lun. 11/107:00 amSFO - BGR

2 stops13h 13mAmerican Airlines

Deal found 10/27

$424

mié. 11/55:19 amBGR - SFO

2 stops15h 03mDelta

lun. 11/1010:30 pmSFO - BGR

2 stops12h 52mDelta

Deal found 10/26

$429

Best flights from Bangor to San Francisco
Discover carefully curated flight deals from Bangor to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 28, 2025.

sáb. 1/1012:44 pmBGR - SFO

1 stop9h 51mAmerican Airlines

sáb. 1/3111:13 pmSFO - BGR

1 stop10h 05mAmerican Airlines

Deal found 10/26

$309

sáb. 11/156:00 amBGR - SFO

2 stops15h 14mDelta

mar. 11/187:15 amSFO - BGR

2 stops13h 13mDelta

Deal found 10/25

$319

jue. 12/412:38 pmBGR - SFO

2 stops14h 56mAmerican Airlines

lun. 12/811:15 pmSFO - BGR

2 stops13h 05mAmerican Airlines

Deal found 10/26

$319

mar. 11/115:16 amBGR - SFO

2 stops11h 59mDelta

sáb. 11/1510:45 pmSFO - BGR

2 stops12h 37mDelta

Deal found 10/27

$399

mar. 11/113:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

sáb. 11/1511:14 pmSFO - BGR

1 stop9h 57mAmerican Airlines

Deal found 10/27

$414

Last-minute flights from Bangor to San Francisco
Discover last-minute flight deals from Bangor to San Francisco. Data last updated octubre 28, 2025 and is based on user searches.

mié. 11/53:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

lun. 11/107:00 amSFO - BGR

2 stops13h 13mAmerican Airlines

Deal found 10/27

$424

mié. 11/55:19 amBGR - SFO

2 stops15h 03mDelta

lun. 11/1010:30 pmSFO - BGR

2 stops12h 52mDelta

Deal found 10/26

$429

mar. 11/113:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

sáb. 11/158:00 amSFO - BGR

2 stops11h 07mAmerican Airlines

Deal found 10/27

$374

mar. 11/1111:48 amBGR - SFO

2 stops15h 25mDelta

vie. 11/1412:30 amSFO - BGR

2 stops10h 52mDelta

Deal found 10/27

$399

sáb. 11/156:00 amBGR - SFO

2 stops15h 14mDelta

mar. 11/187:15 amSFO - BGR

2 stops13h 13mDelta

Deal found 10/25

$319

sáb. 11/153:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

mar. 11/1812:08 pmSFO - BGR

1 stop8h 05mAmerican Airlines

Deal found 10/25

$409

dom. 11/2312:41 pmBGR - SFO

2 stops13h 52mAmerican Airlines

mié. 12/3111:35 pmSFO - BGR

1 stop10h 33mAmerican Airlines

Deal found 10/27

$389

One-way flights from Bangor to San Francisco
Search for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated octubre 28, 2025.

mar. 11/1111:48 amBGR - SFO

2 stops14h 35mDelta

Deal found 10/27

$286

vie. 10/316:50 pmBGR - SFO

2 stops54h 21mMultiple Airlines

Deal found 10/27

$288

lun. 11/105:16 amBGR - SFO

2 stops15h 58mDelta

Deal found 10/27

$311

mar. 11/113:52 pmBGR - SFO

1 stop9h 13mAmerican Airlines

Deal found 10/27

$321

jue. 11/1312:34 pmBGR - SFO

2 stops13h 29mAmerican Airlines

Deal found 10/27

$326

sáb. 11/1512:41 pmBGR - SFO

1 stop9h 49mAmerican Airlines

Deal found 10/27

$346

vie. 10/313:05 pmBGR - SFO

1 stop11h 18mDelta

Deal found 10/27

$406

dom. 11/912:41 pmBGR - SFO

2 stops12h 47mAmerican Airlines

Deal found 10/27

$411

jue. 11/136:00 amBGR - SFO

3 stops21h 12mUnited Airlines

Deal found 10/27

$511

Cheap flight deals from Bangor to San Francisco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (American Airlines)
One-way from	$286 (Delta)
Popular in	May
Cheapest in	September
Average price	$456

Provider with most accurate pricing for Bangor-San Francisco flight deals.

Search Deals

Provider most trusted by Cheapflights users for Bangor-San Francisco flights.

Search Deals

From Bangor to San Francisco

Search Deals

One-way flight from Bangor to San Francisco

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangor to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

sáb. 1/10

12:44 pm-7:35 pm

1 stop9h 51m

San Francisco

sáb. 1/31

11:13 pm-12:18 pm

1 stop10h 05m

$309

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

sáb. 11/15

6:00 am-6:14 pm

2 stops15h 14m

San Francisco

mar. 11/18

7:15 am-11:28 pm

2 stops13h 13m

$319

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 12/4

12:38 pm-12:34 am

2 stops14h 56m

San Francisco

lun. 12/8

11:15 pm-3:20 pm

2 stops13h 05m

$319

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

mar. 11/11

5:16 am-2:15 pm

2 stops11h 59m

San Francisco

sáb. 11/15

10:45 pm-2:22 pm

2 stops12h 37m

$399

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

mar. 11/11

3:52 pm-10:05 pm

1 stop9h 13m

San Francisco

sáb. 11/15

11:14 pm-12:11 pm

1 stop9h 57m

$414

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

vie. 11/14

11:48 am-11:23 pm

2 stops14h 35m

$286

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

mié. 11/12

11:48 am-12:12 am

2 stops15h 24m

$286

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

vie. 10/31

6:50 pm-10:11 pm

2 stops54h 21m

$288

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

sáb. 11/15

12:30 pm-11:11 pm

2 stops13h 41m

$311

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

lun. 11/10

5:16 am-6:14 pm

2 stops15h 58m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results

Compare providers for flights from Bangor to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bangor to San Francisco in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Bangor, Maine-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bangor, Maine-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bangor, Maine-San Francisco flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Bangor, Maine-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangor, Maine-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bangor to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Bangor with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangor to San Francisco

What is the cheapest month to book a flight from Bangor, Maine to San Francisco?

Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco (average of $304). Flying from Bangor, Maine to San Francisco in June is currently the most expensive (average of $530). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Bangor, Maine to San Francisco?

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Bangor to San Francisco, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

9,001 reviews

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

American Airlines

7.2

Good

11,032 reviews

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

How long is the flight from Bangor, Maine to San Francisco?
Departing from Bangor, Maine to San Francisco will take you 9h 51m. The distance from Bangor, Maine to San Francisco is about 2774 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Bangor, Maine to San Francisco round-trip?
Flying on American Airlines is currently your cheapest option to San Francisco, with prices starting at $308. Another option worth looking into is United Airlines, starting at $383 round trip. American Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Bangor to San Francisco that include hotel bookings?
Yes. In addition to deals on Bangor to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Bangor to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangor to San Francisco.
Can I find deals for business class flights from Bangor to San Francisco?
Yes. Cheapflights offers flight deals from Bangor to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Bangor, Maine to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco (average of $304). Flying from Bangor, Maine to San Francisco in June is currently the most expensive (average of $530). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Roseville

South San Francisco

Santa Cruz

Livermore

Turlock

Watsonville

Sunnyvale

Santa Clara

Antioch

Manteca

Vallejo

Hollister

Vacaville

San Bruno

Foster City

Redwood City

Union City

Fairfield

Burlingame

Lodi

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Bangor to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$308	Average$526	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$383	Average$662	FlexibilityNo cancel fee	On-time69%

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$286+ Cheap flights from Bangor, ME to San Francisco (BGR - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bangor to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Bangor to San Francisco

Cheapest flights from Bangor to San FranciscoExplore the most affordable flight options available from Bangor to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

Explore the most affordable flight options available from Bangor to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

Cheap flight deals from Bangor to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangor to San Francisco that are best for you.

Compare providers for flights from Bangor to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bangor to San Francisco in October.

Best time to book a flight from Bangor to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Bangor with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Bangor to San Francisco

What is the cheapest month to book a flight from Bangor, Maine to San Francisco?

How much does it cost to fly round-trip from Bangor, Maine to San Francisco?

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Bangor to San Francisco, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Bangor to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Bangor, Maine to San Francisco?

What are the cheapest airlines flying from Bangor, Maine to San Francisco round-trip?

Can I find deals for flights from Bangor to San Francisco that include hotel bookings?

How can I find direct flights from Bangor to San Francisco?

Can I find deals for business class flights from Bangor to San Francisco?

What is the cheapest month to book a flight from Bangor, Maine to San Francisco?

Traveling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bangor to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Bangor to San Francisco

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Cheapest flights from Bangor to San Francisco
Explore the most affordable flight options available from Bangor to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.