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San Francisco Bay Area

$154+ Cheap flights from Bangor, ME (BGR) to San Francisco Bay Area

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Bangor to San Francisco Bay Area

Cheapest flights from Bangor to San Francisco Bay Area
Explore the most affordable flight options available from Bangor to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:03 pmBGR - SFO
2 stops23h 05mUnited Airlines
Sun 1/410:50 pmSFO - BGR
1 stop10h 39mUnited Airlines
Deal found 12/16$763
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:32 amBGR - SFO
2 stops12h 29mAmerican Airlines
Mon 12/2211:35 pmSFO - BGR
1 stop10h 36mAmerican Airlines
Deal found 12/16$875
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:10 pmBGR - SFO
2 stops11h 51mDelta
Sat 1/312:10 amSFO - BGR
2 stops9h 53mDelta
Deal found 12/16$909
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:40 amBGR - SFO
2 stops12h 33mAmerican Airlines
Mon 12/2211:35 pmSFO - BGR
1 stop10h 36mAmerican Airlines
Deal found 12/16$986
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:25 amBGR - SFO
2 stops14h 39mAmerican Airlines
Tue 12/2310:49 pmSFO - BGR
2 stops12h 25mAmerican Airlines
Deal found 12/16$1,000
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:36 pmBGR - SFO
1 stop11h 50mAmerican Airlines
Sun 1/411:35 pmSFO - BGR
1 stop10h 33mAmerican Airlines
Deal found 12/16$1,021
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:10 pmBGR - SFO
2 stops12h 53mDelta
Thu 12/2510:55 pmSFO - BGR
1 stop11h 08mDelta
Deal found 12/16$1,074
This Alaska Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:36 pmBGR - SJC
2 stops13h 23mAlaska Airlines
Sat 1/38:59 amSJC - BGR
2 stops11h 48mAlaska Airlines
Deal found 12/14$3,513

Find flight deals from Bangor to San Francisco Bay Area

Keep the following information in mind while searching for Bangor to San Francisco Bay Area flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(Delta)

One-way from

$154
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$778
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 Bay Area
Search Deals
One-way flight from Bangor to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bangor to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Bangor to San Francisco Bay Area that are best for you.

Fly from

Bangor

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/15

1:07 pm-11:25 pm

2 stops13h 18m

San Francisco

Sun 1/18

10:54 pm-12:25 pm

2 stops10h 31m

$303

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 1/30

12:39 pm-10:13 pm

1 stop12h 34m

San Francisco

Wed 2/4

11:13 pm-12:14 pm

1 stop10h 01m

$329

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/8

12:39 pm-7:35 pm

1 stop9h 56m

San Francisco

Mon 1/12

11:13 pm-12:14 pm

1 stop10h 01m

$329

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/8

5:04 am-1:47 pm

2 stops11h 43m

San Francisco

Mon 1/12

10:54 pm-12:25 pm

2 stops10h 31m

$339

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 1/10

5:15 am-4:01 pm

2 stops13h 46m

San Francisco

Sat 1/31

7:01 pm-12:18 pm

2 stops14h 17m

$364

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/15

12:39 pm-10:13 pm

1 stop12h 34m

San Francisco

Sun 1/18

11:13 pm-12:14 pm

1 stop10h 01m

$382

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 1/24

8:14 am-5:34 pm

1 stop12h 20m

San Francisco

Tue 1/27

8:35 am-8:12 pm

1 stop8h 37m

$459

BangorSan Jose

BGR - SJC

BGRSJC

Bangor

Sun 2/15

1:08 pm-10:55 am

2 stops24h 47m

San Jose

Wed 2/18

10:30 pm-3:51 pm

2 stops14h 21m

$614

BangorSan Jose

BGR - SJC

BGRSJC

Bangor

Tue 12/30

12:36 pm-10:59 pm

2 stops13h 23m

San Jose

Sat 1/3

8:59 am-11:47 pm

2 stops11h 48m

$3,513

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 1/30

6:54 pm-11:41 pm

2 stops31h 47m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 12 results
1
2

Best time to book a flight from Bangor to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

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

Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco Bay Area (average of $304). Flying from Bangor, Maine to San Francisco Bay Area in June is currently the most expensive (average of $528). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Bangor to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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

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

  • What airport do you fly from for flights from Bangor to San Francisco Bay Area?

    Bangor (BGR) is the airport you will fly out of if you book a flight from Bangor to San Francisco Bay Area. It is only a 2.3 mi journey to Bangor (BGR) from Bangor’s city center.

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

    Delta, American Airlines, and Alaska Airlines can get you from Bangor, Maine to San Francisco Bay Area in just under 12h 34m. Your travel time can differ by up to 49m. There are 2774 mi between Bangor, Maine and San Francisco Bay Area. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Bangor, Maine to San Francisco Bay Area one-way?

    The cheapest airlines for a one-way flight from Bangor, Maine to San Francisco Bay Area are Delta ($138), American Airlines ($143), and United Airlines ($155).

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

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

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

    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 Bay Area.

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

    Yes. Cheapflights offers flight deals from Bangor to San Francisco Bay Area 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 Bay Area?

    Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco Bay Area (average of $304). Flying from Bangor, Maine to San Francisco Bay Area in June is currently the most expensive (average of $528). 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

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Top 2 airlines flying from Bangor to San Francisco Bay Area

Discover the top 2 airlines that operate flights from Bangor to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$509FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$383Average$709FlexibilityNo cancel feeOn-time69%

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