San Francisco Bay Area

$172+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
May 2 — May 91
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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 April 2, 2026.

This American Airlines deal was found by Cheapflights users on 4/1. 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 4/253:15 pm
BGR
-
SFO
1 stop10h 49m
American Airlines
Sat 5/25:45 am
SFO
-
BGR
1 stop9h 07m
American Airlines
Deal found 4/1$369
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/253:15 pm
BGR
-
SFO
1 stop9h 13m
American Airlines
Fri 5/111:49 pm
SFO
-
BGR
2 stops11h 44m
American Airlines
Deal found 3/28$374
This American Airlines deal was found by Cheapflights users on 3/30. 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 6/22:22 pm
BGR
-
SFO
1 stop11h 27m
American Airlines
Tue 6/911:49 pm
SFO
-
BGR
1 stop10h 43m
American Airlines
Deal found 3/30$375
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/293:15 pm
BGR
-
SFO
1 stop11h 00m
American Airlines
Wed 5/610:42 am
SFO
-
BGR
1 stop9h 43m
American Airlines
Deal found 4/1$388
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:15 pm
BGR
-
SFO
1 stop9h 41m
United Airlines
Sun 8/3010:35 pm
SFO
-
BGR
1 stop9h 24m
United Airlines
Deal found 4/1$389
This Delta deal was found by Cheapflights users on 3/30. 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 4/256:00 am
BGR
-
SFO
2 stops11h 55m
Delta
Fri 5/111:59 pm
SFO
-
BGR
2 stops13h 20m
Delta
Deal found 3/30$414
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 8/42:25 pm
BGR
-
SFO
1 stop11h 23m
American Airlines
Tue 8/1811:30 pm
SFO
-
BGR
1 stop11h 17m
American Airlines
Deal found 4/1$422
This American Airlines deal was found by Cheapflights users on 3/31. 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 7/254:18 pm
BGR
-
SFO
1 stop9h 30m
American Airlines
Sat 8/811:30 pm
SFO
-
BGR
1 stop11h 17m
American Airlines
Deal found 3/31$427
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 8/223:30 pm
BGR
-
SJC
1 stop8h 40m
United Airlines
Tue 8/256:37 pm
SJC
-
BGR
2 stops13h 26m
United Airlines
Deal found 3/30$534
This Delta deal was found by Cheapflights users on 3/31. 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 4/1512:49 pm
BGR
-
SJC
2 stops11h 56m
Delta
Sun 4/1911:00 pm
SJC
-
BGR
2 stops10h 09m
Delta
Deal found 3/31$690
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/1312:59 pm
BGR
-
SJC
2 stops13h 00m
American Airlines
Fri 4/176:10 am
SJC
-
BGR
2 stops12h 35m
American Airlines
Deal found 3/28$925

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(American Airlines)

One-way from

$172
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$560
Provider with most accurate pricing for Bangor-San Francisco flight deals.
Provider most trusted by Cheapflights users for Bangor-San Francisco flights.
From Bangor to San Francisco Bay Area
One-way flight from Bangor to San Francisco Bay Area
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 2, 2026.
Use the filters below to find and compare flights from Bangor to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 4/25

3:15 pm-9:28 pm

1 stop9h 13m

San Francisco

Fri 5/1

11:49 pm-2:33 pm

2 stops11h 44m

$374

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 4/25

6:00 am-2:55 pm

2 stops11h 55m

San Francisco

Fri 5/1

11:59 pm-4:19 pm

2 stops13h 20m

$414

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 7/24

5:20 am-10:22 pm

2 stops20h 02m

San Francisco

Sat 8/8

11:59 pm-1:40 pm

1 stop10h 41m

$527

BangorSan Jose

BGR - SJC

BGRSJC

Bangor

Sat 8/22

11:44 am-10:41 pm

2 stops13h 57m

San Jose

Tue 8/25

6:37 pm-11:03 am

2 stops13h 26m

$539

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 7/9

2:25 pm-10:08 pm

1 stop10h 43m

San Francisco

Sun 7/12

10:17 am-10:59 pm

1 stop9h 42m

$545

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sat 5/2

7:40 am-8:39 pm

2 stops15h 59m

San Francisco

Tue 5/5

6:00 am-7:40 pm

1 stop10h 40m

$561

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Wed 7/1

4:35 pm-12:32 am

1 stop10h 57m

San Francisco

Tue 7/7

10:35 pm-11:04 am

1 stop9h 29m

$601

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 7/26

2:45 pm-9:48 pm

1 stop10h 03m

San Francisco

Sat 8/8

11:59 pm-1:40 pm

1 stop10h 41m

$630
Quickest round-trip

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 7/24

6:10 am-3:01 pm

1 stop11h 51m

San Francisco

Wed 8/5

11:59 pm-11:04 am

1 stop8h 05m

$636

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 6/26

7:02 am-4:06 pm

2 stops12h 04m

San Francisco

Sun 7/5

8:11 pm-10:51 am

2 stops11h 40m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 20 resultsSorted by cheapest first
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 $303). Flying from Bangor, Maine to San Francisco Bay Area in June is currently the most expensive (average of $533). 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 April 2, 2026.
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.

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

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

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

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

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

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, Delta, and United Airlines can get you from Bangor, Maine to San Francisco Bay Area in just under 9h 13m. Your travel time can differ by up to 4h 44m. 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 $303). Flying from Bangor, Maine to San Francisco Bay Area in June is currently the most expensive (average of $533). 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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$347Average$584FlexibilityNo cancel feeOn-time69%

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