$228+ Cheap flights from Bangor, ME to San Francisco (BGR - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Bangor to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bangor to San Francisco
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Best
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One-way
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 October 25, 2026.
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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/76:00 am -
1 stop11h 14m
Sat 12/1211:09 pm -
1 stop8h 05m
Deal found 10/23![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/21. 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 11/113:45 pm -
1 stop9h 57m
Mon 11/166:00 am -
2 stops14h 25m
Deal found 10/21![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 10/20. 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.
Thu 12/33:45 pm -
1 stop10h 05m
Mon 12/710:40 pm -
2 stops9h 46m
Deal found 10/20![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/810:39 am -
1 stop9h 37m
Sat 12/1211:09 pm -
1 stop8h 05m
Deal found 10/23![American Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 10/23. 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.
Tue 12/83:45 pm -
1 stop10h 05m
Sat 12/1210:40 pm -
2 stops13h 25m
Deal found 10/23![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:06 pm -
2 stops14h 53m
Sat 12/1210:40 pm -
2 stops13h 25m
Deal found 10/24![Delta logo]()
$439
Best flights from Bangor to San FranciscoDiscover 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 October 25, 2026.
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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 2/236:00 am -
1 stop11h 45m
Tue 3/29:00 am -
1 stop10h 01m
Deal found 10/20![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/1110:43 am -
1 stop9h 25m
Mon 11/1610:58 pm -
1 stop8h 11m
Deal found 10/22![American Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/611:00 am -
1 stop10h 33m
Mon 11/99:30 pm -
1 stop9h 49m
Deal found 10/23![United Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 10/21. 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 11/113:45 pm -
2 stops11h 14m
Mon 11/166:00 am -
2 stops14h 25m
Deal found 10/21![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 10/20. 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.
Thu 12/35:10 am -
2 stops12h 23m
Mon 12/710:40 pm -
2 stops9h 46m
Deal found 10/20![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 10/20. 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 1/66:00 am -
1 stop9h 40m
Tue 1/129:00 am -
1 stop10h 01m
Deal found 10/20![Delta logo]()
$449
Last-minute flights from Bangor to San FranciscoDiscover last-minute flight deals from Bangor to San Francisco. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Bangor to San Francisco. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/23. 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 11/64:10 pm -
1 stop12h 05m
Mon 11/910:59 pm -
2 stops14h 21m
Deal found 10/23![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/711:00 am -
1 stop11h 44m
Wed 11/1110:55 pm -
1 stop8h 24m
Deal found 10/22![United Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 10/21. 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 11/113:45 pm -
1 stop9h 57m
Mon 11/166:00 am -
2 stops14h 25m
Deal found 10/21![Delta logo]()
$404
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/1110:43 am -
1 stop9h 25m
Mon 11/1610:58 pm -
1 stop8h 11m
Deal found 10/22![American Airlines logo]()
$508
One-way flights from Bangor to San FranciscoSearch for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:21 am -
3 stops39h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:07 am -
3 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:15 pm -
2 stops40h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:37 am -
3 stops49h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:12 pm -
2 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:12 pm -
3 stops34h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:10 pm -
2 stops37h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$366
Find 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (American Airlines) |
One-way from | $228 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $478 |
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 7,457,451 searches. Data last updated October 25, 2026.
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
Cheapest round-trip
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Fri 11/20
12:10 pm-9:44 am
3 stops48h 34m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$383
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Tue 2/23
6:00 am-2:45 pm
1 stop11h 45m
San Francisco
Tue 3/2
9:00 am-10:01 pm
1 stop10h 01m
$399
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Tue 11/17
12:00 pm-9:49 pm
2 stops12h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$404
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Wed 11/11
3:45 pm-11:59 pm
2 stops11h 14m
San Francisco
Mon 11/16
6:00 am-11:25 pm
2 stops14h 25m
$409
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Thu 12/3
5:10 am-2:33 pm
2 stops12h 23m
San Francisco
Mon 12/7
10:40 pm-11:26 am
2 stops9h 46m
$410
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Fri 12/18
11:26 am-12:35 am
3 stops40h 09m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$414
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Sun 11/29
11:00 am-5:35 pm
3 stops57h 35m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$417
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Fri 1/1
12:45 pm-10:17 pm
1 stop12h 32m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$430
Quickest round-trip
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Tue 11/3
11:00 am-6:33 pm
1 stop10h 33m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$441
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Wed 1/6
6:00 am-12:40 pm
1 stop9h 40m
San Francisco
Tue 1/12
9:00 am-10:01 pm
1 stop10h 01m
$449
Showing 1-10 of 16 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
BGR-SFO
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 $407). Flying from Bangor, Maine to San Francisco in June is currently the most expensive (average of $879). 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?
Airfare is below average for this route at the moment.
Bangor, Maine to San Francisco flights typically cost between $456 and $682 in December.The cheapest round-trip price found within the last 5 days was $399 on American Airlines (Dec 7-Dec 12).
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 October 25, 2026.
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.
Boarding
7.7
Comfort
7.3
Overall
7.3
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Boarding
7.7
Comfort
7.3
Overall
7.3
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Boarding
7.7
Comfort
7.3
Overall
7.3
Crew
8.1
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Hayward
San Bruno
Emeryville
Newark
Burlingame
Roseville
Redwood City
Rancho Cordova
Cupertino
Fairfield
San Ramon
Manteca
San Carlos
Vallejo
Turlock
Davis
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Bangor and San Francisco flights
Browse other Bangor and San Francisco flight options. Last updated on October 25, 2026.
Other flights from Bangor
Browse through other flights departing from Bangor. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$347 | Average$613 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$491 | FlexibilityNo cancel fee | On-time71% |