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$140+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
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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 noviembre 5, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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.
jue. 11/205:16 amBGR - SFO
2 stops12h 27mDelta
dom. 11/2312:30 amSFO - BGR
2 stops10h 52mDelta
Deal found 11/5$484
This United Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 11/206:00 amBGR - SFO
1 stop9h 08mUnited Airlines
lun. 11/2410:45 pmSFO - BGR
1 stop9h 53mUnited Airlines
Deal found 11/5$564
This American Airlines deal was found by Cheapflights users on 11/4. 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.
mié. 11/512:41 pmBGR - SFO
1 stop9h 49mAmerican Airlines
lun. 11/107:00 amSFO - BGR
2 stops13h 13mAmerican Airlines
Deal found 11/4$574
This Delta deal was found by Cheapflights users on 11/4. 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.
mié. 11/512:10 pmBGR - SFO
2 stops13h 25mDelta
dom. 11/912:30 amSFO - BGR
2 stops10h 52mDelta
Deal found 11/4$579
This American Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 11/203:52 pmBGR - SFO
1 stop9h 13mAmerican Airlines
lun. 11/2411:18 pmSFO - BGR
2 stops9h 53mAmerican Airlines
Deal found 11/5$585
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.
mié. 11/193:52 pmBGR - SFO
1 stop9h 13mAmerican Airlines
sáb. 11/2212:59 amSFO - BGR
2 stops12h 34mAmerican Airlines
Deal found 11/3$699
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1911:48 amBGR - SFO
2 stops15h 25mDelta
dom. 11/2310:45 pmSFO - BGR
2 stops12h 37mDelta
Deal found 11/3$704
This American Airlines deal was found by Cheapflights users on 11/4. 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.
jue. 12/181:36 pmBGR - SFO
1 stop10h 00mAmerican Airlines
sáb. 12/2711:35 pmSFO - BGR
1 stop10h 33mAmerican Airlines
Deal found 11/4$729

Cheap flight deals from Bangor to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Bangor (BGR) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$140
(Kiwi.com)

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
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 ($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 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 noviembre 5, 2025.
Use the filters below to find and compare flights from Bangor to San Francisco that are best for you.

Fly from

Bangor

Fly to

San Francisco

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

vie. 2/13

4:01 pm-10:43 pm

1 stop9h 42m

San Francisco

lun. 2/16

11:59 pm-1:07 pm

1 stop10h 08m

$428

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

sáb. 1/10

1:07 pm-10:54 pm

2 stops12h 47m

San Francisco

vie. 1/30

12:47 am-3:54 pm

2 stops12h 07m

$437

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 11/20

5:16 am-2:43 pm

2 stops12h 27m

San Francisco

dom. 11/23

12:30 am-2:22 pm

2 stops10h 52m

$484

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 11/20

6:00 am-12:08 pm

1 stop9h 08m

San Francisco

lun. 11/24

10:45 pm-11:38 am

1 stop9h 53m

$564

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 11/20

3:52 pm-10:05 pm

1 stop9h 13m

San Francisco

lun. 11/24

11:18 pm-12:11 pm

2 stops9h 53m

$585

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 12/4

7:43 pm-1:18 pm

2 stops20h 35m

$140

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

jue. 12/4

3:46 pm-10:28 pm

1 stop9h 42m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated noviembre 5, 2025.
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
9,002 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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.
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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.
American Airlines
7.2
Good
11,042 reviews
United Airlines
7.4
Good
9,002 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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. 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?

    Departing from Bangor, Maine to San Francisco will take you 9h 51m. The distance from Bangor, Maine to San Francisco is about 2774 mi.

  • 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
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Turlock
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Sunnyvale
Santa Clara
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Hollister
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Top 2 airlines flying from Bangor to San Francisco

Discover the top 2 airlines that operate flights from Bangor to San Francisco. 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$383Average$709FlexibilityNo cancel feeOn-time69%

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