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San Francisco Bay Area

$308+ Cheap flights from Bangor, ME (BGR) to San Francisco Bay Area

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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 12/612:42 pmBGR - SFO
1 stop9h 42mAmerican Airlines
Sat 12/1311:28 pmSFO - BGR
1 stop9h 56mAmerican Airlines
Deal found 11/2$308
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 12/86:02 amBGR - SFO
2 stops11h 53mAmerican Airlines
Mon 12/1511:15 pmSFO - BGR
2 stops13h 05mAmerican Airlines
Deal found 11/2$319
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 12/612:30 pmBGR - SFO
2 stops13h 43mDelta
Sat 12/1310:45 pmSFO - BGR
2 stops9h 30mDelta
Deal found 11/2$344
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 12/811:55 amBGR - SFO
2 stops14h 25mDelta
Sun 12/1412:30 amSFO - BGR
2 stops10h 55mDelta
Deal found 11/2$394
This Delta deal was found by Cheapflights users on 11/1. 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.
Sat 11/1512:30 pmBGR - SFO
2 stops13h 41mDelta
Mon 11/1712:30 amSFO - BGR
2 stops10h 52mDelta
Deal found 11/1$399
This Delta deal was found by Cheapflights users on 11/1. 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.
Sat 11/1512:30 pmBGR - SJC
2 stops11h 05mDelta
Tue 11/186:25 amSJC - BGR
2 stops14h 03mDelta
Deal found 11/1$399
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/1412:41 pmBGR - SFO
2 stops13h 44mAmerican Airlines
Sun 12/1411:28 pmSFO - BGR
1 stop9h 56mAmerican Airlines
Deal found 11/2$404
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/153:52 pmBGR - SFO
1 stop9h 13mAmerican Airlines
Tue 11/1812:08 pmSFO - BGR
1 stop8h 05mAmerican Airlines
Deal found 11/1$489
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 11/1512:47 pmBGR - SFO
1 stop12h 24mAlaska Airlines
Tue 11/189:12 amSFO - BGR
2 stops11h 46mAlaska Airlines
Deal found 11/1$494
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/512:41 pmBGR - SFO
1 stop9h 49mAmerican Airlines
Sat 11/811:14 pmSFO - BGR
1 stop9h 57mAmerican Airlines
Deal found 11/1$529
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/186:00 amBGR - SJC
2 stops15h 31mAmerican Airlines
Sat 11/224:30 pmSJC - BGR
2 stops16h 41mAmerican Airlines
Deal found 11/3$851
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/76:00 amBGR - SJC
2 stops14h 38mUnited Airlines
Tue 11/118:45 amSJC - BGR
2 stops11h 14mUnited Airlines
Deal found 11/3$885

Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$308
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$663
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
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 ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 3, 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

Sat 12/6

12:42 pm-7:24 pm

1 stop9h 42m

San Francisco

Sat 12/13

11:28 pm-12:24 pm

1 stop9h 56m

$308

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/15

8:14 am-5:34 pm

1 stop12h 20m

San Francisco

Tue 1/20

8:35 am-8:12 pm

1 stop8h 37m

$309

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 1/10

12:44 pm-7:35 pm

1 stop9h 51m

San Francisco

Sat 1/31

11:13 pm-12:18 pm

1 stop10h 05m

$309

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 1/15

12:39 pm-7:35 pm

1 stop9h 56m

San Francisco

Mon 1/19

12:17 am-4:32 pm

2 stops13h 15m

$314

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 2/21

4:01 pm-10:59 pm

1 stop9h 58m

San Francisco

Sat 2/28

6:00 am-9:37 pm

2 stops12h 37m

$314

BangorSan Jose

BGR - SJC

BGRSJC

Bangor

Sat 11/15

12:30 pm-8:35 pm

2 stops11h 05m

San Jose

Tue 11/18

6:25 am-11:28 pm

2 stops14h 03m

$399

BangorSan Jose

BGR - SJC

BGRSJC

Bangor

Tue 11/18

6:00 am-6:31 pm

2 stops15h 31m

San Jose

Sat 11/22

4:30 pm-12:11 pm

2 stops16h 41m

$851

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 11/28

6:00 am-9:29 pm

2 stops18h 29m

$580

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 11/28

12:32 pm-5:15 pm

3 stops31h 43m

$692

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 11/28

12:41 pm-7:30 pm

1 stop9h 49m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $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.

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 November 3, 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
8,997 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

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
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

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
11,038 reviews
United Airlines
7.4
Good
8,997 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

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?

    American Airlines, United Airlines, and Delta can get you from Bangor, Maine to San Francisco Bay Area in just under 9h 42m. Your travel time can differ by up to 2h 38m. There are 2774 mi between Bangor, Maine and San Francisco Bay Area. This flight may include one or multiple stops.

  • 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 $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

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$383Average$709FlexibilityNo cancel feeOn-time69%

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