$267+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
Oct 10 — Oct 171
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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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 September 10, 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 -
1 stop11h 27m
Mon 10/266:00 am -
1 stop8h 10m
Deal found 9/5![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/222:40 pm -
1 stop11h 27m
Mon 10/269:58 am -
1 stop10h 57m
Deal found 9/9![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/15:49 pm -
1 stop9h 32m
Mon 10/59:58 am -
1 stop10h 57m
Deal found 9/7![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/7. 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 10/14:15 pm -
1 stop11h 19m
Mon 10/510:59 pm -
2 stops13h 31m
Deal found 9/7![Delta logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/142:40 pm -
1 stop11h 27m
Wed 10/216:00 am -
1 stop8h 10m
Deal found 9/5![American Airlines logo]()
$468
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 September 10, 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/222:40 pm -
1 stop11h 27m
Mon 10/269:58 am -
1 stop10h 57m
Deal found 9/6![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/7. 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 1/152:00 pm -
2 stops11h 39m
Sat 1/1610:45 pm -
2 stops10h 51m
Deal found 9/7![Delta logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/214:32 pm -
1 stop9h 27m
Mon 10/2611:59 pm -
1 stop9h 36m
Deal found 9/8![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/6. 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 11/193:45 pm -
2 stops11h 14m
Wed 11/2510:40 pm -
2 stops11h 37m
Deal found 9/6![Delta logo]()
$488
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/141:06 pm -
2 stops11h 50m
Wed 10/216:00 am -
1 stop8h 10m
Deal found 9/5![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/67:00 am -
2 stops12h 22m
Tue 10/136:00 am -
1 stop8h 10m
Deal found 9/9![American Airlines logo]()
$475
Last-minute flights from Bangor to San FranciscoDiscover last-minute flight deals from Bangor to San Francisco. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Bangor to San Francisco. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/15:49 pm -
1 stop9h 32m
Mon 10/59:58 am -
1 stop10h 57m
Deal found 9/7![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/7. 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 10/14:15 pm -
1 stop11h 19m
Mon 10/510:59 pm -
2 stops13h 31m
Deal found 9/7![Delta logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/142:40 pm -
1 stop11h 27m
Wed 10/216:00 am -
1 stop8h 10m
Deal found 9/5![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/5. 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 -
1 stop11h 27m
Mon 10/266:00 am -
1 stop8h 10m
Deal found 9/5![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/222:40 pm -
1 stop11h 27m
Mon 10/269:58 am -
1 stop10h 57m
Deal found 9/9![American Airlines logo]()
$399
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 September 10, 2026.
Search for one-way flight options from Bangor to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/310:07 am -
2 stops25h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 -
2 stops28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/285:50 pm -
1 stop18h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/1710:07 am -
2 stops34h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 9/9. 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 10/24:15 pm -
2 stops20h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/1410:07 am -
3 stops29h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/157:40 pm -
3 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$362
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $267 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $368 |
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 September 10, 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
Wed 10/28
5:50 pm-9:37 am
1 stop18h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$328
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Wed 9/30
4:15 pm-1:13 pm
2 stops23h 58m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$379
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Sat 10/3
9:25 am-5:20 pm
1 stop10h 55m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$379
Quickest round-trip
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Fri 10/2
4:15 pm-10:27 pm
1 stop9h 12m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$379
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Thu 10/22
2:40 pm-11:07 pm
1 stop11h 27m
San Francisco
Mon 10/26
9:58 am-11:55 pm
1 stop10h 57m
$379
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Wed 10/21
4:32 pm-10:59 pm
1 stop9h 27m
San Francisco
Mon 10/26
11:59 pm-12:35 pm
1 stop9h 36m
$379
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Tue 11/10
3:45 pm-10:43 pm
1 stop9h 58m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Tue 10/13
4:10 pm-5:05 pm
2 stops27h 55m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$397
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Sat 11/14
11:00 am-7:44 pm
1 stop11h 44m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$434
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Fri 1/15
2:00 pm-10:39 pm
2 stops11h 39m
San Francisco
Sat 1/16
10:45 pm-12:36 pm
2 stops10h 51m
$461
Showing 1-10 of 13 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 September.
| 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
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 September 10, 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.
Food
6.6
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Food
6.6
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Food
6.6
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Overall
7.4
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
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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Bangor and San Francisco flights
Browse other Bangor and San Francisco flight options. Last updated on September 10, 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 September 10, 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 September 10, 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$477 | FlexibilityNo cancel fee | On-time69% |