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

Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at $309. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $314 and $572, respectively. United Airlines is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $200. Users have also found prices from $395 and $424 on Delta and United Airlines, respectively.

What is the cheapest day to fly from Bangor, Maine to San Francisco?

Travelers seeking maximum savings on their Bangor, Maine to San Francisco flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Bangor, Maine to San Francisco?

Travelers have found that booking a Wednesday departure is the best way to save up to 63% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Bangor, Maine to San Francisco?

January is one of the best times of the year to fly to San Francisco from Bangor, Maine. Prices for January average $580 per person but you can even find prices for as low as $308. The most expensive prices can be found in the month of December. Opting for a January flight can save you 41% on your journey compared to booking in December

Most accurate provider : When it comes to deals on Bangor, Maine-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangor, Maine-San Francisco flight deals on Cheapflights vs. FlightHub >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.

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.

$200+ Flights from Bangor, ME to San Francisco - Compare & Save Big

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Cheap flight deals from Bangor to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (United Airlines)
One-way from	$200 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$461

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

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 29, 2025.

Fri 9/124:14 pmBGR - SFO

1 stop10h 45mUnited Airlines

Mon 9/1510:45 pmSFO - BGR

1 stop9h 55mUnited Airlines

Deal found 4/28

$309

Fri 9/127:43 amBGR - SFO

2 stops10h 54mAmerican Airlines

Mon 9/156:27 amSFO - BGR

1 stop11h 12mAmerican Airlines

Deal found 4/28

$314

Wed 11/53:36 pmBGR - SFO

1 stop10h 44mDelta

Mon 11/1010:45 pmSFO - BGR

2 stops13h 45mDelta

Deal found 4/28

$339

Sun 6/112:46 pmBGR - SFO

1 stop11h 52mAlaska Airlines

Sat 6/79:20 amSFO - BGR

1 stop9h 35mAlaska Airlines

Deal found 4/28

$809

Best flights from Bangor to San Francisco
Discover carefully curated flight deals from Bangor to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 9/124:14 pmBGR - SFO

1 stop10h 45mUnited Airlines

Mon 9/1510:45 pmSFO - BGR

1 stop9h 55mUnited Airlines

Deal found 4/28

$309

Fri 9/127:43 amBGR - SFO

2 stops10h 54mAmerican Airlines

Mon 9/156:27 amSFO - BGR

1 stop11h 12mAmerican Airlines

Deal found 4/28

$314

Fri 9/123:36 pmBGR - SFO

1 stop10h 44mDelta

Sun 9/1412:40 amSFO - BGR

2 stops11h 50mDelta

Deal found 4/28

$572

Sun 6/112:46 pmBGR - SFO

1 stop11h 52mAlaska Airlines

Sat 6/79:20 amSFO - BGR

1 stop9h 35mAlaska Airlines

Deal found 4/28

$809

Last-minute flights from Bangor to San Francisco
Discover last-minute flight deals from Bangor to San Francisco. Data last updated April 29, 2025 and is based on user searches.

Fri 5/27:00 amBGR - SFO

1 stop11h 06mUnited Airlines

Sun 5/116:00 amSFO - BGR

1 stop9h 40mUnited Airlines

Deal found 4/29

$539

Fri 5/21:01 pmBGR - SFO

1 stop10h 25mAmerican Airlines

Sun 5/119:15 amSFO - BGR

2 stops12h 15mAmerican Airlines

Deal found 4/29

$610

Fri 5/912:20 pmBGR - SFO

1 stop10h 17mAmerican Airlines

Sun 5/189:15 amSFO - BGR

2 stops12h 15mAmerican Airlines

Deal found 4/29

$790

Fri 5/97:00 amBGR - SFO

1 stop10h 09mUnited Airlines

Sat 5/1712:10 amSFO - BGR

2 stops15h 30mUnited Airlines

Deal found 4/29

$831

One-way flights from Bangor to San Francisco
Search for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Thu 8/72:37 pmBGR - SFO

1 stop9h 57mAmerican Airlines

Deal found 4/27

$200

Sun 6/18:06 pmBGR - SFO

1 stop17h 17mMultiple Airlines

Deal found 4/28

$209

Sun 7/135:01 amBGR - SFO

2 stops11h 14mDelta

Deal found 4/28

$395

Sun 6/14:15 pmBGR - SFO

2 stops31h 30mUnited Airlines

Deal found 4/28

$424

Sun 6/112:46 pmBGR - SFO

1 stop11h 52mAlaska Airlines

Deal found 4/28

$445

Sun 7/137:15 pmBGR - SFO

3 stops43h 33mBreeze Airways

Deal found 4/28

$520

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangor to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 9/12

4:14 pm-11:59 pm

1 stop10h 45m

San Francisco

Mon 9/15

10:45 pm-11:40 am

1 stop9h 55m

$309

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 9/12

7:43 am-3:37 pm

2 stops10h 54m

San Francisco

Mon 9/15

6:27 am-8:39 pm

1 stop11h 12m

$314

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Fri 9/12

3:36 pm-11:20 pm

1 stop10h 44m

San Francisco

Sun 9/14

12:40 am-3:30 pm

2 stops11h 50m

$572

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 6/1

12:46 pm-9:38 pm

1 stop11h 52m

San Francisco

Sat 6/7

9:20 am-9:55 pm

1 stop9h 35m

$809

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Thu 8/7

2:37 pm-9:34 pm

1 stop9h 57m

$200

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 6/1

8:06 pm-10:23 am

1 stop17h 17m

$209

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 7/13

5:01 am-1:15 pm

2 stops11h 14m

$395

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 6/1

4:15 pm-8:45 pm

2 stops31h 30m

$424

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 6/1

12:46 pm-9:38 pm

1 stop11h 52m

$445

BangorSan Francisco

BGR - SFO

BGRSFO

Bangor

Sun 7/13

7:15 pm-11:48 am

3 stops43h 33m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from Bangor to San Francisco

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangor, Maine-San Francisco flight deals on Cheapflights vs. FlightHub >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, January is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco (average of $276). Flying from Bangor, Maine to San Francisco in June is currently the most expensive (average of $393). 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.

What is the cheapest time of day to fly from BGR to SFO?

One of the essential ways to save on airfare from Bangor, Maine to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Delta from Bangor to San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Breeze Airways

8.1

Very good

160 reviews

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Alaska Airlines

8.0

Very good

9,961 reviews

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Delta

8.0

Very good

7,929 reviews

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

United Airlines

7.4

Good

8,696 reviews

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

American Airlines

7.2

Good

10,000 reviews

Breeze Airways

8.1

Very good

160 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

What are the cheapest airlines flying from Bangor, Maine to San Francisco round-trip?
Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at $309. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $314 and $572, respectively. United Airlines is priced at 46% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Bangor, Maine to San Francisco one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $200. Users have also found prices from $395 and $424 on Delta and United Airlines, respectively.
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, January is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco (average of $276). Flying from Bangor, Maine to San Francisco in June is currently the most expensive (average of $393). 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

Roseville

Mountain View

Santa Cruz

Livermore

South San Francisco

Turlock

Manteca

Fairfield

Richmond

Watsonville

Hollister

Newark

Milpitas

Antioch

Sausalito

Hayward

Alameda

Sunnyvale

Campbell

Daly City

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Bangor to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$302	Average$529	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$404	Average$811	FlexibilityNo cancel fee	On-time69%

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$200+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bangor to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Bangor to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bangor to San Francisco

Cheapest flights from Bangor to San FranciscoExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangor to San Francisco that are best for you.

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 April.

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.

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?

What is the cheapest time of day to fly from BGR to SFO?

Find hourly flight availability from Bangor to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Delta from Bangor to San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

Traveling to a place near Bangor?

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Alternative routes for Bangor to San Francisco

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Top 2 airlines flying from Bangor to San Francisco

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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 April 29, 2025.