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United Airlines flights from Boston to San Francisco (BOS - SFO)

BOS — SFO
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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Cheapflights users flying from Boston to San Francisco on United Airlines typically fly into San Francisco and depart from Boston Logan Intl. Select your dates above for pricing.

United Airlines flights from Boston to San Francisco in 2024

Find detailed information about United Airlines flights from Boston to San Francisco. Explore the options provided by United Airlines to plan your journey from Boston to San Francisco. Data last updated May 30, 2024.

Popular in

June

Cheapest in

February

Average price (all airlines)

$379

One-way from

$123

Round-trip from

$204
Highest demand for flights from Boston Logan Intl to San Francisco; 10% potential price increase.
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Best time to find cheap flights from Boston Logan Intl to San Francisco; 1% potential price drop.
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Average price for all Boston Logan Intl to San Francisco flights (one-way and round-trip).
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Cheapest one-way United Airlines flight from Boston Logan Intl to San Francisco
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Cheapest round-trip United Airlines flight from Boston Logan Intl to San Francisco
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  • Can I get a flight from Boston to San Francisco on United Airlines for under $400?

    There are 50 flights available on United Airlines from Boston to San Francisco for under $400. These prices can change based on many factors including date and time. To find BOS-SFO flight prices for your dates, click here.

  • How do most travelers feel about United Airlines?

    8,616 Cheapflights users have left reviews for United Airlines and have rated the airline 6.4/10. If you are looking to travel from Boston to San Francisco on United Airlines, input your dates in the form above for our best prices!

Cheapest United Airlines flights from Boston to San Francisco

Discover the cheapest flight options specifically offered by United Airlines for travel from Boston to San Francisco. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on May 30, 2024.
Thu 6/205:00 pmBOS - SFO
1 stop8h 25mUnited Airlines
Thu 6/278:50 amSFO - BOS
Nonstop5h 54mUnited Airlines
Deal found 5/30$268
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Wed 6/193:45 pmBOS - SFO
1 stop8h 32mUnited Airlines
Wed 6/268:50 amSFO - BOS
Nonstop5h 54mUnited Airlines
Deal found 5/29$269
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Tue 6/186:00 amBOS - SFO
1 stop8h 18mUnited Airlines
Thu 8/2210:40 pmSFO - BOS
1 stop7h 46mUnited Airlines
Deal found 5/29$338
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Direct flights from Boston to San Francisco on United Airlines

Discover the cheapest flight options specifically offered by United Airlines for travel from Boston to San Francisco. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on May 30, 2024.
Tue 8/206:00 amBOS - SFO
Nonstop6h 32mUnited Airlines
Tue 8/2710:00 pmSFO - BOS
Nonstop5h 43mUnited Airlines
Deal found 5/29$222
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Thu 8/2211:21 amBOS - SFO
Nonstop6h 32mUnited Airlines
Mon 8/2610:00 pmSFO - BOS
Nonstop5h 43mUnited Airlines
Deal found 5/29$245
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Tue 7/26:00 amBOS - SFO
Nonstop6h 27mUnited Airlines
Mon 7/159:19 pmSFO - BOS
Nonstop5h 43mUnited Airlines
Deal found 5/28$271
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Last minute deals on Cheapflights

Explore last-minute flight deals on United Airlines for various destinations, including Boston to San Francisco. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated May 30, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,784,634 searches.
Wed 6/51:35 pmBOS - SFO
Nonstop6h 31mUnited Airlines
Wed 6/1210:35 pmSFO - BOS
1 stop7h 49mUnited Airlines
Deal found 5/29$378
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Wed 6/53:19 pmBOS - SFO
1 stop8h 52mUnited Airlines
Wed 6/1210:35 pmSFO - BOS
1 stop7h 49mUnited Airlines
Deal found 5/29$383
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Wed 6/51:35 pmBOS - SFO
Nonstop6h 31mUnited Airlines
Tue 6/1111:25 pmSFO - BOS
Nonstop5h 52mUnited Airlines
Deal found 5/29$387
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One-way United Airlines flights to San Francisco from Boston

Search for one-way flight options from Boston to San Francisco specifically provided by United Airlines. Find affordable one-way fares from United Airlines and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on May 30, 2024.
Fri 9/2710:20 amBOS - SFO
Nonstop6h 32mUnited Airlines
Deal found 5/29$123
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Sun 8/255:50 amBOS - SFO
1 stop8h 09mUnited Airlines
Deal found 5/29$132
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Tue 7/25:30 amBOS - SFO
1 stop8h 29mUnited Airlines
Deal found 5/29$158
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Best time to book a flight from Boston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

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

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Fly from Boston to San Francisco on another airline
Consider alternative airlines that service the San Francisco area. Flight routes are based on user searches made on Cheapflights and were last updated on May 30, 2024.

JetBlue flights from Boston Logan Intl to San Francisco
Delta flights from Boston Logan Intl to San Francisco

See what others are saying about United Airlines

Read reviews and see what other travelers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated May 30, 2024.
United Airlines
7.4
Good
10,777 reviews
Check prices
Overview

Comfort

7.2

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1
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