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Bangor

$202+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BGR
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. 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 4/76:10 am
SFO
-
BGR
1 stop8h 22m
American Airlines
Tue 4/216:25 am
BGR
-
SFO
1 stop10h 42m
American Airlines
Deal found 1/25$329
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/211:49 pm
SFO
-
BGR
1 stop9h 30m
American Airlines
Tue 3/1012:43 pm
BGR
-
SFO
1 stop9h 29m
American Airlines
Deal found 1/27$330
This American Airlines deal was found by Cheapflights users on 1/25. 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 3/176:21 am
SFO
-
BGR
1 stop8h 25m
American Airlines
Tue 3/2412:29 pm
BGR
-
SFO
2 stops12h 09m
American Airlines
Deal found 1/25$334
This Delta deal was found by Cheapflights users on 1/27. 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 3/210:45 pm
SFO
-
BGR
2 stops14h 06m
Delta
Tue 3/105:30 am
BGR
-
SFO
2 stops16h 49m
Delta
Deal found 1/27$340
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 8/2311:30 pm
SFO
-
BGR
1 stop11h 17m
American Airlines
Sat 8/292:37 pm
BGR
-
SFO
1 stop11h 07m
American Airlines
Deal found 1/24$349
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/411:49 pm
SFO
-
BGR
1 stop9h 30m
American Airlines
Mon 3/912:29 pm
BGR
-
SFO
2 stops13h 03m
American Airlines
Deal found 1/27$359
This Delta deal was found by Cheapflights users on 1/26. 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 2/2512:40 am
SFO
-
BGR
2 stops12h 11m
Delta
Mon 3/25:06 am
BGR
-
SFO
2 stops15h 42m
Delta
Deal found 1/26$365
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 3/1710:55 pm
SFO
-
BGR
1 stop8h 27m
United Airlines
Tue 3/246:35 am
BGR
-
SFO
1 stop12h 00m
United Airlines
Deal found 1/25$411

Find 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 January 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$227
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$729
Provider with most accurate pricing for San Francisco-Bangor flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Bangor flights.
Search Deals
From San Francisco to Bangor
Search Deals
One-way flight from San Francisco to Bangor
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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 4/14

12:30 am-2:33 pm

1 stop11h 03m

Bangor

Wed 4/22

6:25 am-12:38 pm

1 stop9h 13m

$329

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 4/15

12:30 am-2:33 pm

1 stop11h 03m

Bangor

Thu 4/23

3:15 pm-9:28 pm

1 stop9h 13m

$329

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 4/29

6:10 am-5:32 pm

1 stop8h 22m

Bangor

Thu 5/7

3:15 pm-11:15 pm

1 stop11h 00m

$329

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Sat 4/18

6:10 am-5:52 pm

1 stop8h 42m

Bangor

Sat 4/25

6:25 am-3:41 pm

2 stops12h 16m

$334

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Mon 3/2

10:45 pm-3:51 pm

2 stops14h 06m

Bangor

Tue 3/10

5:30 am-7:19 pm

2 stops16h 49m

$340

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 4/15

6:20 am-11:31 pm

2 stops14h 11m

Bangor

Wed 4/22

12:49 pm-11:54 pm

2 stops14h 05m

$340

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 3/4

10:00 pm-12:23 pm

2 stops11h 23m

Bangor

Mon 3/9

12:28 pm-12:35 am

2 stops15h 07m

$340

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Tue 4/7

11:35 pm-2:33 pm

2 stops11h 58m

Bangor

Tue 4/21

6:25 am-3:41 pm

2 stops12h 16m

$340

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Fri 2/27

10:45 pm-12:23 pm

2 stops10h 38m

Bangor

Mon 3/2

5:06 am-5:48 pm

2 stops15h 42m

$365

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Mon 3/2

8:16 pm-1:33 pm

3 stops38h 17m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on San Francisco-Bangor, Maine flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Bangor, Maine flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Bangor, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Bangor, Maine flights, Cheapflights users trust Expedia the most. Expedia 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 San Francisco-Bangor, Maine 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 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 January 23, 2026.

Booking 78 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, September is the cheapest month in which you can book a flight from San Francisco to Bangor, Maine (average of $312). Flying from San Francisco to Bangor, Maine in December is currently the most expensive (average of $609). 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 January 27, 2026.
See what other customers who have flown with 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.
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
11,197 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 8h 22m. Fly via American Airlines, Delta, or United Airlines 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 $333, American Airlines will fly you from San Francisco to Bangor, Maine and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $386. American Airlines is currently priced 43% 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 American Airlines. According to our data, you can fly for as low as $143. Users have also found prices from $183 and $188 on Delta and United Airlines, 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, September is the cheapest month in which you can book a flight from San Francisco to Bangor, Maine (average of $312). Flying from San Francisco to Bangor, Maine in December is currently the most expensive (average of $609). 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 San Francisco to Bangor

Discover the top 2 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$333Average$539FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$386Average$598FlexibilityNo cancel feeOn-time69%

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