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Airfares for flights from Boston (BOS) to San Francisco (SFO) change frequently. Track prices with Yapta and we'll alert you when prices drop so you can secure the best deal. Sign-up now - it's free!

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Select the details link on a flight below to how its airfare has fluctuated

carrier	date	stops	price (last 30 days)	low	high	current
United	12/03 12/09	0 0	Nov 11, 2008 $569.00 Nov 10, 2008 $529.00 Nov 09, 2008 $499.00 Nov 08, 2008 $569.00 Nov 07, 2008 $529.00 Nov 06, 2008 $499.00 Nov 05, 2008 $589.00 Nov 04, 2008 $589.00 Nov 03, 2008 $589.00 Nov 02, 2008 $589.00 Nov 01, 2008 $589.00 Oct 31, 2008 $589.00 Oct 30, 2008 $529.00 Oct 29, 2008 $429.01 Oct 28, 2008 $429.01 Oct 27, 2008 $429.01 Oct 26, 2008 $429.01 Oct 25, 2008 $429.01 Oct 24, 2008 $429.01 Oct 22, 2008 $429.01 Oct 20, 2008 $399.00 Oct 19, 2008 $399.00 Oct 16, 2008 $359.00 Oct 15, 2008 $399.00 Oct 14, 2008 $369.00 Oct 13, 2008 $399.00 no data no data no data no data	$359	$589	$569	details	track it
American	12/03 12/07	0 0	Dec 03, 2008 $599.00 Dec 02, 2008 $599.00 Dec 01, 2008 $599.00 Nov 30, 2008 $529.00 Nov 29, 2008 $529.00 Nov 28, 2008 $529.00 Nov 27, 2008 $529.00 Nov 26, 2008 $469.00 Nov 24, 2008 $469.00 Nov 23, 2008 $429.00 Nov 22, 2008 $429.00 Nov 21, 2008 $429.00 Nov 20, 2008 $429.00 Nov 19, 2008 $379.00 Nov 18, 2008 $399.00 Nov 17, 2008 $399.00 Nov 16, 2008 $399.00 Nov 15, 2008 $399.00 Nov 14, 2008 $429.00 Nov 13, 2008 $407.10 Nov 12, 2008 $437.10 Nov 11, 2008 $407.10 Nov 10, 2008 $429.00 Nov 09, 2008 $399.00 Nov 08, 2008 $429.00 Nov 07, 2008 $429.00 Nov 06, 2008 $399.00 Nov 05, 2008 $469.00 Nov 04, 2008 $429.00 Nov 03, 2008 $499.00	$379	$599	$599	details	track it
American	12/05 12/08	0 0	Dec 03, 2008 $819.00 Dec 02, 2008 $1717.00 Dec 01, 2008 $1657.00 Nov 30, 2008 $1657.00 Nov 29, 2008 $1657.00 Nov 28, 2008 $1617.00 Nov 27, 2008 $1617.00 Nov 26, 2008 $1617.00 Nov 24, 2008 $1367.00 Nov 22, 2008 $1587.00 Nov 21, 2008 $1587.00 Nov 20, 2008 $859.00 Nov 19, 2008 $729.00 Nov 18, 2008 $499.00 Nov 17, 2008 $429.00 Nov 16, 2008 $469.00 Nov 15, 2008 $429.00 Nov 14, 2008 $559.00 Nov 13, 2008 $478.20 Nov 12, 2008 $451.20 Nov 11, 2008 $451.20 Nov 10, 2008 $499.00 Nov 09, 2008 $469.00 Nov 08, 2008 $469.00 Nov 07, 2008 $499.00 Nov 06, 2008 $469.00 no data no data no data no data	$429	$1717	$819	details	track it
American	12/05 12/08	0 0	Dec 03, 2008 $1717.00 Dec 02, 2008 $1717.00 Dec 01, 2008 $1657.00 Nov 30, 2008 $1657.00 Nov 29, 2008 $1657.00 Nov 28, 2008 $1617.00 Nov 27, 2008 $1617.00 Nov 26, 2008 $1617.00 Nov 24, 2008 $1587.00 Nov 23, 2008 $1587.00 Nov 22, 2008 $1587.00 Nov 21, 2008 $1367.00 Nov 20, 2008 $859.00 Nov 19, 2008 $689.00 Nov 18, 2008 $499.00 Nov 17, 2008 $499.00 Nov 16, 2008 $469.00 Nov 15, 2008 $429.00 Nov 14, 2008 $469.00 Nov 13, 2008 $532.20 Nov 12, 2008 $478.20 Nov 11, 2008 $451.20 Nov 10, 2008 $529.00 Nov 09, 2008 $499.00 Nov 08, 2008 $529.00 Nov 07, 2008 $569.00 Nov 06, 2008 $529.00 Nov 05, 2008 $459.00 Nov 04, 2008 $539.00 Nov 03, 2008 $499.00	$429	$1717	$1717	details	track it
United	12/06 12/13	0 0	Nov 07, 2008 $499.00 Nov 06, 2008 $499.00 Nov 05, 2008 $499.00 Nov 04, 2008 $499.00 Nov 03, 2008 $499.00 Nov 02, 2008 $499.00 Oct 31, 2008 $499.00 Oct 30, 2008 $499.00 Oct 29, 2008 $399.00 Oct 28, 2008 $399.00 Oct 27, 2008 $399.00 Oct 26, 2008 $399.00 Oct 25, 2008 $399.00 Oct 24, 2008 $399.00 Oct 23, 2008 $399.00 Oct 22, 2008 $399.00 Oct 21, 2008 $399.00 Oct 20, 2008 $399.00 Oct 19, 2008 $399.00 Oct 18, 2008 $399.00 Oct 17, 2008 $359.00 Oct 16, 2008 $359.00 Oct 15, 2008 $399.00 Oct 14, 2008 $369.00 Oct 13, 2008 $399.00 Oct 12, 2008 $399.00 Oct 11, 2008 $399.00 Oct 10, 2008 $399.00 Oct 09, 2008 $399.00 Oct 08, 2008 $399.00	$359	$499	$499	details	track it
American	12/11 12/15	0 0	Dec 03, 2008 $469.00 Dec 02, 2008 $499.00 Dec 01, 2008 $429.00 Nov 30, 2008 $429.00 Nov 29, 2008 $429.00 Nov 28, 2008 $429.00 Nov 27, 2008 $399.00 Nov 26, 2008 $399.00 Nov 24, 2008 $399.00 Nov 22, 2008 $399.00 Nov 21, 2008 $399.00 Nov 20, 2008 $399.00 Nov 19, 2008 $399.00 Nov 18, 2008 $399.00 Nov 17, 2008 $399.00 Nov 16, 2008 $399.00 Nov 15, 2008 $399.00 Nov 14, 2008 $429.00 Nov 13, 2008 $361.20 Nov 12, 2008 $388.20 Nov 11, 2008 $388.20 Nov 10, 2008 $429.00 Nov 09, 2008 $429.00 Nov 08, 2008 $399.00 Nov 07, 2008 $469.00 no data no data no data no data no data	$361	$499	$469	details	track it
American	12/15 12/19	0 0	Dec 03, 2008 $729.00 Dec 02, 2008 $1617.00 Dec 01, 2008 $859.00 Nov 30, 2008 $689.00 Nov 29, 2008 $859.00 Nov 28, 2008 $1367.00 Nov 27, 2008 $1587.00 Nov 26, 2008 $859.00 Nov 24, 2008 $689.00 Nov 23, 2008 $689.00 Nov 22, 2008 $719.00 Nov 21, 2008 $689.00 Nov 20, 2008 $729.00 Nov 19, 2008 $689.00 Nov 18, 2008 $729.00 Nov 17, 2008 $689.00 Nov 16, 2008 $689.00 Nov 15, 2008 $689.00 Nov 14, 2008 $569.00 Nov 13, 2008 $733.10 Nov 12, 2008 $477.10 Nov 11, 2008 $719.00 Nov 10, 2008 $559.00 Nov 09, 2008 $719.00 Nov 08, 2008 $759.00 Nov 07, 2008 $719.00 Nov 06, 2008 $589.00 Nov 05, 2008 $719.00 Nov 04, 2008 $589.00 Nov 03, 2008 $719.00	$477	$1617	$729	details	track it
United	12/16 03/31	0 0	Dec 03, 2008 $429.00 Dec 02, 2008 $429.00 Dec 01, 2008 $399.00 Nov 30, 2008 $399.00 Nov 29, 2008 $399.00 Nov 28, 2008 $399.00 Nov 27, 2008 $399.00 Nov 26, 2008 $399.00 Nov 24, 2008 $399.00 Nov 22, 2008 $399.00 Nov 21, 2008 $399.00 Nov 20, 2008 $399.00 Nov 19, 2008 $399.00 Nov 18, 2008 $429.00 Nov 17, 2008 $429.00 Nov 16, 2008 $429.00 Nov 15, 2008 $429.00 Nov 14, 2008 $429.00 Nov 13, 2008 $407.00 Nov 12, 2008 $407.50 Nov 11, 2008 $429.00 Nov 10, 2008 $429.00 Nov 09, 2008 $429.00 Nov 08, 2008 $429.00 Nov 07, 2008 $399.00 Nov 06, 2008 $399.00 no data no data no data no data	$399	$429	$429	details	track it
United	12/16 01/04	0 0	Dec 03, 2008 $689.00 Dec 02, 2008 $689.00 Dec 01, 2008 $689.00 Nov 30, 2008 $689.00 Nov 29, 2008 $689.00 Nov 28, 2008 $689.00 Nov 27, 2008 $559.00 Nov 26, 2008 $689.00 Nov 25, 2008 $689.00 Nov 24, 2008 $689.00 Nov 22, 2008 $689.00 Nov 21, 2008 $689.00 Nov 20, 2008 $669.00 Nov 19, 2008 $709.00 Nov 18, 2008 $729.00 Nov 17, 2008 $729.00 Nov 16, 2008 $729.00 Nov 15, 2008 $859.00 Nov 14, 2008 $729.00 Nov 13, 2008 $658.00 Nov 12, 2008 $659.50 Nov 11, 2008 $729.00 Nov 10, 2008 $729.00 Nov 09, 2008 $729.00 Nov 08, 2008 $729.00 Nov 07, 2008 $729.00 Nov 06, 2008 $689.00 Nov 05, 2008 $719.00 Nov 04, 2008 $719.00 Nov 02, 2008 $719.00	$559	$859	$689	details	track it
United	12/16 01/02	0 0	Dec 03, 2008 $1502.01 Dec 02, 2008 $1203.00 Dec 01, 2008 $1203.00 Nov 30, 2008 $689.00 Nov 29, 2008 $689.00 Nov 28, 2008 $689.00 Nov 27, 2008 $729.00 Nov 26, 2008 $689.00 Nov 24, 2008 $1203.00 Nov 22, 2008 $859.00 Nov 21, 2008 $729.00 Nov 20, 2008 $709.00 Nov 19, 2008 $709.00 Nov 18, 2008 $729.00 Nov 17, 2008 $729.00 Nov 16, 2008 $729.00 Nov 15, 2008 $729.00 Nov 14, 2008 $729.00 Nov 13, 2008 $658.00 Nov 12, 2008 $659.50 Nov 11, 2008 $859.00 Nov 10, 2008 $729.00 Nov 09, 2008 $729.00 Nov 08, 2008 $729.00 Nov 07, 2008 $729.00 no data no data no data no data no data	$658	$1502	$1502	details	track it

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