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Bangor

$156+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BGR
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 53 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 July 29, 2025.

Round-trip from

$305
(American Airlines)

One-way from

$156
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$632
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. 11% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/266:28 amSFO - BGR
1 stop11h 16mAmerican Airlines
Wed 9/31:58 pmBGR - SFO
1 stop10h 54mAmerican Airlines
Deal found 7/27$305
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amSFO - BGR
2 stops11h 18mDelta
Wed 9/173:13 pmBGR - SFO
1 stop11h 25mDelta
Deal found 7/28$314
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:55 pmSFO - BGR
1 stop25h 45mUnited Airlines
Sat 9/66:40 amBGR - SFO
1 stop10h 56mUnited Airlines
Deal found 7/27$492

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 July 29, 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 8/26

6:28 am-8:44 pm

1 stop11h 16m

Bangor

Wed 9/3

1:58 pm-9:52 pm

1 stop10h 54m

$305

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Sat 9/6

7:00 am-9:18 pm

2 stops11h 18m

Bangor

Wed 9/17

3:13 pm-11:38 pm

1 stop11h 25m

$314

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Sat 8/23

4:55 pm-9:40 pm

1 stop25h 45m

Bangor

Sat 9/6

6:40 am-2:36 pm

1 stop10h 56m

$492

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 9/3

11:52 pm-1:08 pm

1 stop10h 16m

$156

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 9/3

10:57 pm-3:16 pm

2 stops13h 19m

$161

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Wed 9/3

10:45 pm-11:07 am

1 stop9h 22m

$240

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Thu 9/4

8:45 am-11:48 pm

2 stops12h 03m

$305

San FranciscoBangor

SFO - BGR

SFOBGR

San Francisco

Sun 8/10

11:59 pm-7:14 pm

3 stops16h 15m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 2025.

Booking 53 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 $489). 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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $305, 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $314 and $492, respectively. American Airlines is currently priced 47% 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 $156. Users have also found prices from $161 and $240 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, 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 $489). 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.

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$549FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$551FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$459Average$763FlexibilityNo cancel feeOn-time69%

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