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Bangor

$134+ Cheap flights from San Francisco to Bangor, ME (SFO - BGR)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BGR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Bangor are usually found in November or April, booked 29 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from San Francisco to Bangor

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Bangor (BGR). 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 September 11, 2025.

Round-trip from

$309
(American Airlines)

One-way from

$134
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$483
From San Francisco to Bangor
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One-way flight from San Francisco to Bangor
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Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Bangor

Cheapest flights from San Francisco to Bangor
Explore the most affordable flight options available from San Francisco to Bangor. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/219:35 amSFO - BGR
1 stop10h 44mAmerican Airlines
Sat 10/252:37 pmBGR - SFO
1 stop11h 19mAmerican Airlines
Deal found 9/10$309
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/310:50 pmSFO - BGR
2 stops12h 41mDelta
Tue 10/75:19 amBGR - SFO
2 stops11h 54mDelta
Deal found 9/10$394
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/2511:10 amSFO - BGR
1 stop8h 55mAmerican Airlines
Mon 9/297:12 amBGR - SFO
1 stop8h 19mAmerican Airlines
Deal found 9/9$404
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1710:45 pmSFO - BGR
1 stop10h 45mUnited Airlines
Wed 10/2212:19 pmBGR - SFO
1 stop9h 41mUnited Airlines
Deal found 9/10$409
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/1712:35 amSFO - BGR
2 stops10h 49mDelta
Thu 10/233:05 pmBGR - SFO
1 stop13h 24mDelta
Deal found 9/10$412
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/176:25 amSFO - BGR
1 stop11h 06mAmerican Airlines
Wed 9/245:54 pmBGR - SFO
1 stop8h 15mAmerican Airlines
Deal found 9/10$414
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/1110:40 amSFO - BGR
1 stop9h 00mUnited Airlines
Tue 10/146:40 amBGR - SFO
1 stop10h 10mUnited Airlines
Deal found 9/8$417
This Delta deal was found by Cheapflights users on 9/10. 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 9/207:00 amSFO - BGR
1 stop8h 55mDelta
Wed 9/245:23 amBGR - SFO
2 stops12h 03mDelta
Deal found 9/10$419
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/39:07 amSFO - BGR
2 stops11h 41mAmerican Airlines
Tue 10/73:48 pmBGR - SFO
1 stop9h 08mAmerican Airlines
Deal found 9/10$420
This Delta deal was found by Cheapflights users on 9/10. 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 9/177:25 amSFO - BGR
2 stops13h 04mDelta
Thu 9/255:23 amBGR - SFO
2 stops16h 25mDelta
Deal found 9/10$424

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Bangor 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 September 11, 2025.
Use the filters below to find and compare flights from San Francisco to Bangor that are best for you.

Fly from

San Francisco

Fly to

Bangor

Route

Depart

Return

Price

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Tue 10/21

9:35 am-11:19 pm

1 stop10h 44m

Bangor

Sat 10/25

2:37 pm-10:56 pm

1 stop11h 19m

$309

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Tue 10/21

10:57 pm-4:23 pm

2 stops14h 26m

Bangor

Sat 10/25

2:00 pm-10:30 pm

1 stop11h 30m

$314

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Sat 10/11

10:40 am-10:40 pm

1 stop9h 00m

Bangor

Tue 10/14

6:40 am-1:50 pm

1 stop10h 10m

$417

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 10/15

6:10 am-11:28 pm

2 stops14h 18m

Bangor

Wed 10/22

5:19 am-6:56 pm

2 stops16h 37m

$417

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 9/17

6:15 am-11:29 pm

2 stops14h 14m

Bangor

Wed 9/24

5:23 am-5:32 pm

2 stops15h 09m

$424

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 9/17

7:25 am-11:29 pm

2 stops13h 04m

Bangor

Thu 9/25

5:23 am-6:48 pm

2 stops16h 25m

$424

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Fri 10/3

11:57 pm-4:22 pm

2 stops13h 25m

Bangor

Tue 10/7

5:19 am-5:52 pm

2 stops15h 33m

$439

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Tue 10/7

12:00 pm-7:03 pm

2 stops52h 03m

$155

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 10/8

10:45 pm-11:38 am

1 stop9h 53m

$156

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Tue 9/30

9:00 am-8:34 pm

1 stop8h 34m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Francisco to Bangor

Have a flexible travel schedule? Discover the best time to fly to Bangor from San Francisco 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 San Francisco to Bangor

How far ahead should I book a flight from San Francisco to Bangor, Maine?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Bangor. Price data was last updated on August 29, 2025.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Bangor, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to Bangor, Maine (average of $358). Flying from San Francisco to Bangor, Maine in December is currently the most expensive (average of $490). 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 Bangor

Get insights into the airlines that provide service to Bangor. 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 Bangor. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from San Francisco to Bangor have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Bangor. 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 San Francisco to Bangor, Maine?

    There are many flights that can get you from San Francisco to Bangor, Maine in 10h 44m. Fly via American Airlines or Delta to get the fastest option. There are 2774 mi between San Francisco and Bangor, Maine. This flight may include one or multiple stops.

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

    Currently priced at $250, Delta will fly you from San Francisco to Bangor, Maine and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $325 and $386, respectively. Delta is currently priced 59% below the average price you’ll pay for this route.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $156. Users have also found prices from $156 and $161 on American Airlines and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Bangor 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 San Francisco to Bangor, Maine?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Bangor, Maine (average of $358). Flying from San Francisco to Bangor, Maine in December is currently the most expensive (average of $490). 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 3 airlines flying from San Francisco to Bangor

Discover the top 3 airlines that operate flights from San Francisco to Bangor. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$325Average$547FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$386Average$618FlexibilityNo cancel feeOn-time69%

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