$216+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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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
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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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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 July 28, 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 July 28, 2026.
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 9/52:13 pm
BGR
- SFO
1 stop10h 03m
American Airlines
Sat 9/129:53 pm
SFO
- BGR
1 stop11h 34m
American Airlines
Deal found 7/25![American Airlines logo]()
$379
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:10 pm
BGR
- SFO
1 stop11h 24m
Delta
Mon 10/269:30 pm
SFO
- BGR
2 stops10h 49m
Delta
Deal found 7/27![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 7/24. 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.
Sat 9/510:28 am
BGR
- SFO
2 stops16h 30m
Delta
Sat 9/1210:00 pm
SFO
- BGR
2 stops14h 34m
Delta
Deal found 7/24![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 12/911:15 am
BGR
- SFO
2 stops14h 24m
Delta
Tue 12/159:00 pm
SFO
- BGR
1 stop10h 31m
Delta
Deal found 7/24![Delta logo]()
$394
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:20 am
BGR
- SFO
2 stops12h 07m
Delta
Wed 9/96:00 am
SFO
- BGR
2 stops14h 20m
Delta
Deal found 7/27![Delta logo]()
$419
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 8/185:45 am
BGR
- SFO
1 stop8h 47m
American Airlines
Sat 8/2210:53 pm
SFO
- BGR
1 stop10h 12m
American Airlines
Deal found 7/27![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 9/144:15 pm
BGR
- SFO
1 stop11h 19m
Delta
Tue 9/2210:59 pm
SFO
- BGR
2 stops14h 22m
Delta
Deal found 7/26![Delta logo]()
$445
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 July 28, 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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:10 pm
BGR
- SFO
1 stop11h 24m
Delta
Mon 10/2611:45 pm
SFO
- BGR
2 stops12h 45m
Delta
Deal found 7/25![Delta logo]()
$384
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:40 pm
BGR
- SFO
2 stops11h 48m
American Airlines
Mon 10/266:00 am
SFO
- BGR
1 stop8h 13m
American Airlines
Deal found 7/28![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 7/24. 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.
Sat 9/510:28 am
BGR
- SFO
2 stops16h 30m
Delta
Sat 9/1210:00 pm
SFO
- BGR
2 stops14h 34m
Delta
Deal found 7/24![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/24. 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.
Thu 12/107:00 am
BGR
- SFO
1 stop11h 10m
Delta
Mon 12/1411:45 pm
SFO
- BGR
2 stops12h 45m
Delta
Deal found 7/24![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 12/97:00 am
BGR
- SFO
2 stops13h 11m
Delta
Tue 12/1510:30 pm
SFO
- BGR
2 stops14h 00m
Delta
Deal found 7/24![Delta logo]()
$399
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:20 am
BGR
- SFO
2 stops12h 07m
Delta
Wed 9/96:00 am
SFO
- BGR
2 stops14h 20m
Delta
Deal found 7/27![Delta logo]()
$419
Last-minute flights from Bangor to San FranciscoDiscover last-minute flight deals from Bangor to San Francisco. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Bangor to San Francisco. Data last updated July 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/175:30 pm
BGR
- SFO
1 stop19h 33m
American Airlines
Sat 8/2210:53 pm
SFO
- BGR
1 stop10h 12m
American Airlines
Deal found 7/23![American Airlines logo]()
$531
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 8/185:45 am
BGR
- SFO
1 stop8h 47m
American Airlines
Sat 8/2210:53 pm
SFO
- BGR
1 stop10h 12m
American Airlines
Deal found 7/27![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 7/23. 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 8/2512:05 pm
BGR
- SFO
2 stops14h 53m
Delta
Sat 8/2910:59 pm
SFO
- BGR
2 stops11h 27m
Delta
Deal found 7/23![Delta logo]()
$528
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 pm
BGR
- SFO
1 stop10h 03m
American Airlines
Mon 8/319:51 am
SFO
- BGR
1 stop10h 54m
American Airlines
Deal found 7/26![American Airlines logo]()
$379
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.
Thu 8/274:30 pm
BGR
- SFO
1 stop11h 20m
United Airlines
Sun 8/3012:35 am
SFO
- BGR
1 stop11h 00m
United Airlines
Deal found 7/27![United Airlines logo]()
$489
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 July 28, 2026.
Search for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:07 am
BGR
- SFO
2 stops36h 41m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:08 pm
BGR
- SFO
2 stops30h 46m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:07 am
BGR
- SFO
2 stops27h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:34 pm
BGR
- SFO
2 stops20h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:07 am
BGR
- SFO
2 stops35h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:59 am
BGR
- SFO
2 stops40h 16m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:37 am
BGR
- SFO
1 stop16h 34m
American Airlines
Deal found 7/26![American Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:58 pm
BGR
- SFO
2 stops45h 49m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:30 pm
BGR
- SFO
2 stops49h 27m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:57 pm
BGR
- SFO
2 stops29h 21m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:44 pm
BGR
- SFO
3 stops32h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$281
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $216 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $587 |
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 2,558,603 searches. Data last updated July 28, 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 - SFO
BGRSFO
Bangor
Thu 10/22
4:10 pm-12:34 am
1 stop11h 24m
San Francisco
Mon 10/26
11:45 pm-3:30 pm
2 stops12h 45m
$384
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Sat 9/5
10:28 am-11:58 pm
2 stops16h 30m
San Francisco
Sat 9/12
10:00 pm-3:34 pm
2 stops14h 34m
$389
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Thu 12/10
7:00 am-3:10 pm
1 stop11h 10m
San Francisco
Mon 12/14
11:45 pm-3:30 pm
2 stops12h 45m
$394
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 12/9
7:00 am-5:11 pm
2 stops13h 11m
San Francisco
Tue 12/15
10:30 pm-3:30 pm
2 stops14h 00m
$399
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 9/2
5:20 am-2:27 pm
2 stops12h 07m
San Francisco
Wed 9/9
6:00 am-11:20 pm
2 stops14h 20m
$419
Quickest round-trip
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 10/21
2:40 pm-11:28 pm
2 stops11h 48m
San Francisco
Mon 10/26
6:00 am-5:13 pm
1 stop8h 13m
$468
Cheapest one-way
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 10/28
6:37 am-8:11 pm
1 stop16h 34m
$254
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 9/30
6:44 pm-12:14 am
3 stops32h 30m
$281
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Thu 8/20
5:38 pm-6:45 pm
2 stops28h 07m
$285
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Thu 8/27
7:08 pm-12:18 am
3 stops32h 10m
$286
Showing 1-10 of 15 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 July.
| 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, September is the cheapest month in which you can book a flight from Bangor, Maine to San Francisco (average of $368). 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 $408 and $734 in September.The cheapest round-trip price found within the last 5 days was $379 on American Airlines (Sep 5-Sep 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 July 28, 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.
Entertainment
7.1
Food
6.6
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Entertainment
7.1
Food
6.6
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Entertainment
7.1
Food
6.6
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
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
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis
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Bangor and San Francisco flights
Browse other Bangor and San Francisco flight options. Last updated on July 28, 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 July 28, 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 July 28, 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 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$477 | FlexibilityNo cancel fee | On-time69% |