$167+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SFO
May 28 — Jun 41
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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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 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 April 28, 2026.
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/274:34 pm
BGR
- SFO
1 stop11h 44m
American Airlines
Wed 6/37:44 am
SFO
- BGR
1 stop11h 05m
American Airlines
Deal found 4/23![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 4/27. 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 6/94:34 pm
BGR
- SFO
1 stop11h 39m
American Airlines
Wed 10/1411:36 pm
SFO
- BGR
1 stop10h 51m
American Airlines
Deal found 4/27![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/27. 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 7/15:05 am
BGR
- SFO
2 stops15h 02m
Delta
Sat 10/37:30 am
SFO
- BGR
2 stops12h 58m
Delta
Deal found 4/27![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 4/27. 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 6/94:34 pm
BGR
- SFO
1 stop11h 39m
American Airlines
Tue 9/110:50 pm
SFO
- BGR
2 stops10h 11m
American Airlines
Deal found 4/27![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 4/23. 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 7/34:22 pm
BGR
- SFO
1 stop11h 22m
Delta
Mon 7/65:32 am
SFO
- BGR
1 stop7h 40m
Delta
Deal found 4/23![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 7/14:34 pm
BGR
- SFO
1 stop9h 29m
American Airlines
Wed 7/88:18 am
SFO
- BGR
1 stop10h 31m
American Airlines
Deal found 4/23![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/143:15 pm
BGR
- SFO
1 stop9h 13m
American Airlines
Tue 5/199:00 am
SFO
- BGR
2 stops10h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 4/27. 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.
Fri 7/34:22 pm
BGR
- SFO
1 stop11h 37m
Delta
Sat 10/37:30 am
SFO
- BGR
2 stops12h 58m
Delta
Deal found 4/27![Delta logo]()
$425
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 5/264:34 pm
BGR
- SFO
1 stop11h 44m
American Airlines
Tue 6/29:04 am
SFO
- BGR
2 stops11h 41m
American Airlines
Deal found 4/25![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/83:15 pm
BGR
- SFO
1 stop9h 13m
American Airlines
Tue 5/125:45 am
SFO
- BGR
1 stop8h 47m
American Airlines
Deal found 4/23![American Airlines logo]()
$429
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 April 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 April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:35 pm
BGR
- SFO
1 stop10h 57m
United Airlines
Sat 7/1111:59 pm
SFO
- BGR
1 stop8h 05m
United Airlines
Deal found 4/24![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 4/24. 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 6/294:22 pm
BGR
- SFO
1 stop11h 22m
Delta
Sun 7/512:48 am
SFO
- BGR
2 stops12h 24m
Delta
Deal found 4/24![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 5/131:14 pm
BGR
- SFO
2 stops12h 24m
American Airlines
Sun 5/1712:31 pm
SFO
- BGR
1 stop8h 54m
American Airlines
Deal found 4/27![American Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 5/96:00 am
BGR
- SFO
2 stops11h 15m
Delta
Wed 5/138:25 am
SFO
- BGR
2 stops12h 08m
Delta
Deal found 4/26![Delta logo]()
$534
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/244:15 pm
BGR
- SFO
1 stop11h 30m
United Airlines
Mon 6/112:50 am
SFO
- BGR
1 stop18h 06m
United Airlines
Deal found 4/23![United Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 9/296:00 am
BGR
- SFO
2 stops11h 29m
Delta
Mon 10/510:45 pm
SFO
- BGR
1 stop12h 36m
Delta
Deal found 4/25![Delta logo]()
$543
This Delta deal was found by Cheapflights users on 4/24. 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 7/15:05 am
BGR
- SFO
2 stops15h 40m
Delta
Sat 7/115:35 am
SFO
- BGR
1 stop7h 37m
Delta
Deal found 4/24![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 10/34:55 pm
BGR
- SFO
1 stop8h 39m
Delta
Mon 10/59:30 pm
SFO
- BGR
2 stops15h 33m
Delta
Deal found 4/25![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 4/26. 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.
Thu 5/144:27 pm
BGR
- SFO
2 stops21h 26m
Delta
Mon 5/1812:15 am
SFO
- BGR
2 stops12h 32m
Delta
Deal found 4/26![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 10/34:55 pm
BGR
- SFO
1 stop8h 39m
Delta
Tue 10/64:00 pm
SFO
- BGR
1 stop19h 21m
Delta
Deal found 4/27![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 4/25. 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 10/16:00 am
BGR
- SFO
2 stops21h 02m
Delta
Mon 10/59:30 pm
SFO
- BGR
2 stops15h 33m
Delta
Deal found 4/25![Delta logo]()
$592
This Delta deal was found by Cheapflights users on 4/27. 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.
Fri 10/23:00 pm
BGR
- SFO
1 stop10h 55m
Delta
Tue 10/69:30 pm
SFO
- BGR
2 stops13h 51m
Delta
Deal found 4/27![Delta logo]()
$594
Last-minute flights from Bangor to San FranciscoDiscover last-minute flight deals from Bangor to San Francisco. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Bangor to San Francisco. Data last updated April 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/83:15 pm
BGR
- SFO
1 stop9h 13m
American Airlines
Tue 5/125:45 am
SFO
- BGR
1 stop8h 47m
American Airlines
Deal found 4/23![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/912:46 pm
BGR
- SFO
2 stops12h 14m
American Airlines
Wed 5/135:45 am
SFO
- BGR
1 stop8h 47m
American Airlines
Deal found 4/26![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/143:15 pm
BGR
- SFO
1 stop9h 13m
American Airlines
Tue 5/199:00 am
SFO
- BGR
2 stops10h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 5/264:34 pm
BGR
- SFO
1 stop11h 44m
American Airlines
Tue 6/29:10 pm
SFO
- BGR
1 stop10h 36m
American Airlines
Deal found 4/25![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/274:34 pm
BGR
- SFO
1 stop11h 44m
American Airlines
Wed 6/37:44 am
SFO
- BGR
1 stop11h 05m
American Airlines
Deal found 4/23![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 4/23. 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 5/2912:15 pm
BGR
- SFO
2 stops13h 33m
Delta
Wed 6/35:50 am
SFO
- BGR
2 stops14h 43m
Delta
Deal found 4/23![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/306:00 am
BGR
- SFO
2 stops11h 15m
Delta
Wed 6/35:50 am
SFO
- BGR
2 stops14h 43m
Delta
Deal found 4/23![Delta logo]()
$460
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 April 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 April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 5/2210:17 am
BGR
- SFO
3 stops37h 47m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 6/94:34 pm
BGR
- SFO
1 stop9h 29m
American Airlines
Deal found 4/25![American Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 7/15:05 am
BGR
- SFO
2 stops15h 02m
Delta
Deal found 4/28![Delta logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/110:06 am
BGR
- SFO
2 stops25h 45m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 7/26:10 am
BGR
- SFO
1 stop9h 04m
United Airlines
Deal found 4/23![United Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/1012:37 pm
BGR
- SFO
2 stops22h 53m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 4/25. 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 7/44:18 pm
BGR
- SFO
2 stops11h 23m
American Airlines
Deal found 4/25![American Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 4/28. 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 7/14:34 pm
BGR
- SFO
1 stop11h 39m
American Airlines
Deal found 4/28![American Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 6/307:19 am
BGR
- SFO
2 stops14h 51m
American Airlines
Deal found 4/28![American Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 7/26:54 am
BGR
- SFO
2 stops12h 11m
American Airlines
Deal found 4/25![American Airlines logo]()
$261
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $325 (American Airlines) |
One-way from | $167 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $606 |
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 April 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
Quickest round-trip
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Thu 7/2
4:35 pm-12:32 am
1 stop10h 57m
San Francisco
Sat 7/11
11:59 pm-11:04 am
1 stop8h 05m
$479
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Mon 6/29
4:22 pm-12:44 am
1 stop11h 22m
San Francisco
Sun 7/5
12:48 am-4:12 pm
2 stops12h 24m
$508
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Sat 5/9
6:00 am-2:15 pm
2 stops11h 15m
San Francisco
Wed 5/13
8:25 am-11:33 pm
2 stops12h 08m
$534
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Tue 9/29
6:00 am-2:29 pm
2 stops11h 29m
San Francisco
Mon 10/5
10:45 pm-2:21 pm
1 stop12h 36m
$543
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 7/1
5:05 am-5:45 pm
2 stops15h 40m
San Francisco
Sat 7/11
5:35 am-4:12 pm
1 stop7h 37m
$558
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Sun 5/24
4:15 pm-12:45 am
1 stop11h 30m
San Francisco
Mon 6/1
12:50 am-9:56 pm
1 stop18h 06m
$561
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Sat 10/3
4:55 pm-10:34 pm
1 stop8h 39m
San Francisco
Mon 10/5
9:30 pm-4:03 pm
2 stops15h 33m
$563
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Wed 5/13
1:14 pm-10:38 pm
2 stops12h 24m
San Francisco
Sun 5/17
12:31 pm-12:25 am
1 stop8h 54m
$571
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Thu 5/14
4:27 pm-10:53 am
2 stops21h 26m
San Francisco
Mon 5/18
12:15 am-3:47 pm
2 stops12h 32m
$577
BangorSan Francisco
BGR - SFO
BGRSFO
Bangor
Sat 10/3
4:55 pm-10:34 pm
1 stop8h 39m
San Francisco
Tue 10/6
4:00 pm-2:21 pm
1 stop19h 21m
$583
Showing 1-10 of 23 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 April.
| 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 $317). Flying from Bangor, Maine to San Francisco in December is currently the most expensive (average of $778). 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?
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 April 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.
Boarding
7.7
Crew
8.1
Food
6.6
Comfort
7.3
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Crew
8.1
Food
6.6
Comfort
7.3
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Crew
8.1
Food
6.6
Comfort
7.3
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - 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.
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Bangor and San Francisco flights
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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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$523 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$584 | FlexibilityNo cancel fee | On-time69% |