Cheap Flights by Route

Cheap Flights from SFO to BOS

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The Cheapest Round-trip Tickets from San Francisco to Boston

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12 July 202226 July 2022DirectRT from 311
13 September 202226 September 20221 StopRT from 249
29 June 202212 July 20221 StopRT from 583
1 June 202230 June 20221 StopRT from 660

The Cheapest Flights for this Month from San Francisco to Boston

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26 May 20229 June 20221 StopRT from 734
27 May 202229 May 20221 StopRT from 561
28 May 202230 May 20221 StopRT from 568
29 May 20225 June 20221 StopRT from 581
30 May 20229 June 2022DirectRT from 584
31 May 202210 June 2022DirectRT from 512
1 June 20223 June 20221 StopRT from 461
2 June 20225 June 20221 StopRT from 648
3 June 20225 June 2022DirectRT from 608
4 June 20229 June 2022DirectRT from 519
5 June 20227 June 20221 StopRT from 593
6 June 20227 June 20222 StopsRT from 652
7 June 202212 June 2022DirectRT from 508
8 June 202213 June 2022DirectRT from 409
9 June 202211 June 2022DirectRT from 421
10 June 202227 June 20221 StopRT from 871
11 June 202216 June 20221 StopRT from 837
12 June 202218 June 2022DirectRT from 357
13 June 20225 July 20221 StopRT from 633
14 June 20224 July 2022DirectRT from 397
15 June 20221 July 20221 StopRT from 761
16 June 202219 June 2022DirectRT from 334
17 June 202218 June 2022DirectRT from 336
18 June 202225 June 2022DirectRT from 338
19 June 20221 July 20222 StopsRT from 524
20 June 202227 June 20221 StopRT from 624
21 June 202226 June 2022DirectRT from 464
22 June 202219 July 20221 StopRT from 680
23 June 20227 July 2022DirectRT from 353
24 June 20221 July 2022DirectRT from 338
25 June 202229 June 2022DirectRT from 352
26 June 202210 July 2022DirectRT from 587
27 June 20224 July 20221 StopRT from 421
28 June 202229 June 2022DirectRT from 397
29 June 202212 July 20222 StopsRT from 583
30 June 20227 July 2022DirectRT from 356
1 July 20229 July 2022DirectRT from 356
2 July 20229 July 2022DirectRT from 346
3 July 20229 July 2022DirectRT from 338
4 July 20229 July 2022DirectRT from 338
5 July 202221 July 20221 StopRT from 619
6 July 20226 July 2022DirectRT from 267
7 July 20227 July 2022DirectRT from 267
8 July 202218 July 20222 StopsRT from 590
9 July 202221 July 20221 StopRT from 623
10 July 202217 July 20221 StopRT from 575
11 July 202213 July 20221 StopRT from 594
12 July 202226 July 2022DirectRT from 311
13 July 202220 July 20221 StopRT from 453
14 July 202214 July 2022DirectRT from 261
15 July 202224 July 20221 StopRT from 689
16 July 202222 July 2022DirectRT from 337
17 July 202224 July 20221 StopRT from 575
18 July 202218 July 2022DirectRT from 249
19 July 202226 July 2022DirectRT from 314
20 July 202227 July 2022DirectRT from 314
21 July 20228 August 2022DirectRT from 338
22 July 202229 July 20221 StopRT from 547
23 July 202229 July 2022DirectRT from 358
24 July 202229 July 2022DirectRT from 272
25 July 202223 August 20221 StopRT from 408
26 July 20222 August 20221 StopRT from 324
27 July 20226 August 2022DirectRT from 454
28 July 202228 July 20221 StopRT from 250
29 July 202229 July 20221 StopRT from 277
30 July 202216 August 20221 StopRT from 609
31 July 20227 August 20221 StopRT from 575
1 August 20221 August 2022DirectRT from 246
2 August 202231 August 20221 StopRT from 483
3 August 20229 August 2022DirectRT from 325
4 August 202210 August 2022DirectRT from 325
5 August 202222 August 20221 StopRT from 543
6 August 202231 August 20221 StopRT from 517
7 August 202223 August 20221 StopRT from 487
8 August 202231 August 2022DirectRT from 466
9 August 202223 August 20221 StopRT from 315
10 August 202215 August 2022DirectRT from 324
11 August 202225 August 20221 StopRT from 457
12 August 20226 September 2022DirectRT from 466
13 August 202219 August 2022DirectRT from 338
14 August 202230 August 2022DirectRT from 459
15 August 202220 August 20221 StopRT from 333
16 August 202219 August 20221 StopRT from 261
17 August 202222 August 2022DirectRT from 320
18 August 202218 August 2022DirectRT from 249
19 August 20224 September 2022DirectRT from 342
20 August 202227 August 20221 StopRT from 302
21 August 202231 August 20221 StopRT from 419
22 August 202226 August 20222 StopsRT from 355
23 August 202230 August 20221 StopRT from 301
24 August 202214 September 20222 StopsRT from 382
25 August 202231 August 20222 StopsRT from 398
26 August 20229 September 20221 StopRT from 386
27 August 202227 August 2022DirectRT from 267
28 August 20229 September 20221 StopRT from 389
29 August 20224 September 20221 StopRT from 305
30 August 202216 September 20221 StopRT from 292
31 August 202220 September 20221 StopRT from 298
1 September 20227 September 20221 StopRT from 460
2 September 20228 September 2022DirectRT from 425
3 September 202215 September 20221 StopRT from 266
4 September 202215 September 20221 StopRT from 266
5 September 202214 September 20221 StopRT from 402
6 September 20228 September 20221 StopRT from 307
7 September 202214 September 20221 StopRT from 259
8 September 202224 September 20221 StopRT from 223
9 September 20225 October 2022DirectRT from 251
10 September 202217 September 2022DirectRT from 255
11 September 202218 September 2022DirectRT from 294
12 September 202223 September 20221 StopRT from 257
13 September 202226 September 20221 StopRT from 249
14 September 202224 September 20221 StopRT from 240
15 September 202215 September 2022DirectRT from 393
16 September 202220 September 20221 StopRT from 248
17 September 20221 October 20221 StopRT from 223
18 September 202224 September 20221 StopRT from 305
19 September 202228 September 2022DirectRT from 251
20 September 202227 September 2022DirectRT from 251
21 September 202222 September 2022DirectRT from 251
22 September 202227 September 20221 StopRT from 327
23 September 202219 October 2022DirectRT from 289
24 September 20221 October 2022DirectRT from 251
25 September 20225 October 20221 StopRT from 324
26 September 202227 September 2022DirectRT from 251
27 September 20224 October 20221 StopRT from 267
28 September 202227 October 20221 StopRT from 228
29 September 202222 October 20221 StopRT from 301
30 September 20224 October 2022DirectRT from 302
1 October 202220 October 2022DirectRT from 255
2 October 202212 October 2022DirectRT from 293
3 October 202219 October 20221 StopRT from 223
4 October 202219 October 2022DirectRT from 261
5 October 20228 October 2022DirectRT from 272
6 October 202224 October 20221 StopRT from 318
7 October 202211 October 2022DirectRT from 290
8 October 202220 October 2022DirectRT from 261
9 October 202210 October 2022DirectRT from 315
10 October 202218 October 2022DirectRT from 294
11 October 202219 October 2022DirectRT from 255
12 October 202219 October 2022DirectRT from 255
13 October 202228 October 20221 StopRT from 308
14 October 202221 October 2022DirectRT from 281
15 October 20229 November 2022DirectRT from 272
16 October 20229 November 2022DirectRT from 289
17 October 202220 October 2022DirectRT from 255
18 October 202229 October 20221 StopRT from 241
19 October 202222 October 20221 StopRT from 264
20 October 202231 October 20221 StopRT from 327
21 October 202225 October 20222 StopsRT from 248
22 October 202231 October 2022DirectRT from 251
23 October 202216 November 2022DirectRT from 353
24 October 202227 October 20221 StopRT from 245
25 October 202216 November 2022DirectRT from 251
26 October 202214 November 20221 StopRT from 228
27 October 20225 November 2022DirectRT from 287
28 October 20221 November 2022DirectRT from 282
29 October 20222 November 2022DirectRT from 251
30 October 202223 November 2022DirectRT from 311
31 October 20229 November 2022DirectRT from 289
1 November 20223 November 20221 StopRT from 272
2 November 20228 November 20221 StopRT from 266
3 November 202212 November 2022DirectRT from 290
4 November 20228 November 20221 StopRT from 262
5 November 202210 November 2022DirectRT from 261
6 November 202230 November 2022DirectRT from 314
7 November 202220 November 2022DirectRT from 266
8 November 202211 November 2022DirectRT from 255
9 November 20227 December 2022DirectRT from 251
10 November 202217 November 2022DirectRT from 272
11 November 20227 December 20221 StopRT from 253
12 November 20227 December 2022DirectRT from 251
13 November 20227 December 20221 StopRT from 248
14 November 20227 December 20221 StopRT from 210
15 November 20227 December 20221 StopRT from 223
16 November 202216 November 20221 StopRT from 263
17 November 202217 November 2022DirectRT from 272
18 November 202220 November 2022DirectRT from 338
19 November 202221 November 20221 StopRT from 363
20 November 202214 December 20221 StopRT from 210
21 November 202214 December 20221 StopRT from 281
22 November 202230 November 20221 StopRT from 322
23 November 202230 November 20221 StopRT from 301
24 November 20221 December 2022DirectRT from 278
25 November 202230 November 20221 StopRT from 315
26 November 202230 November 20221 StopRT from 607
27 November 202221 December 2022DirectRT from 902
28 November 202221 December 20222 StopsRT from 639
29 November 20222 December 2022DirectRT from 255
30 November 20226 December 2022DirectRT from 251
1 December 202211 December 20221 StopRT from 334
2 December 20225 December 20221 StopRT from 297
3 December 20225 December 2022DirectRT from 251
5 December 20228 December 2022DirectRT from 278
8 December 20224 January 2023DirectRT from 298
9 December 202212 December 20221 StopRT from 284
10 December 20224 January 2023DirectRT from 320
11 December 20224 January 2023DirectRT from 314
13 December 20224 January 2023DirectRT from 320
14 December 202211 January 2023DirectRT from 278
15 December 20226 January 20231 StopRT from 222
16 December 20223 January 20231 StopRT from 314
17 December 20227 January 20231 StopRT from 295
18 December 202211 January 20231 StopRT from 386
19 December 202211 January 2023DirectRT from 251
20 December 202211 January 20231 StopRT from 253
21 December 202227 December 20221 StopRT from 465
22 December 202230 December 20221 StopRT from 266
23 December 20223 January 20231 StopRT from 384
24 December 202218 January 2023DirectRT from 300
25 December 202218 January 20231 StopRT from 210
26 December 202218 January 20231 StopRT from 270
27 December 202218 January 2023DirectRT from 314
28 December 202225 January 2023DirectRT from 298
29 December 202225 January 2023DirectRT from 315
30 December 202225 January 2023DirectRT from 315
31 December 202225 January 20231 StopRT from 360
1 January 202325 January 20231 StopRT from 451
2 January 202325 January 2023DirectRT from 320
4 January 20238 January 2023DirectRT from 450
5 January 20235 January 20231 StopRT from 437
7 January 20231 February 20231 StopRT from 240
8 January 202311 January 2023DirectRT from 278
9 January 20231 February 20231 StopRT from 223
10 January 20231 February 2023DirectRT from 255
11 January 20238 February 2023DirectRT from 255
12 January 20238 February 20231 StopRT from 228
13 January 20238 February 2023DirectRT from 278
14 January 20238 February 2023DirectRT from 278
15 January 20238 February 20231 StopRT from 228
16 January 20238 February 20231 StopRT from 223
18 January 202315 February 2023DirectRT from 272
20 January 202315 February 2023DirectRT from 266
22 January 202315 February 2023DirectRT from 251
24 January 202315 February 2023DirectRT from 278
27 January 202322 February 2023DirectRT from 278
28 January 202322 February 2023DirectRT from 278
29 January 202322 February 2023DirectRT from 272
30 January 202322 February 2023DirectRT from 278
1 February 20235 February 2023DirectRT from 266
2 February 202314 February 2023DirectRT from 278
3 February 20231 March 20231 StopRT from 245
4 February 20231 March 20231 StopRT from 250
6 February 202311 February 2023DirectRT from 261
8 February 202312 February 2023DirectRT from 251
9 February 202314 February 2023DirectRT from 255
10 February 20238 March 2023DirectRT from 278
16 February 202315 March 2023DirectRT from 266
17 February 202321 February 2023DirectRT from 268
18 February 202325 February 2023DirectRT from 266
20 February 202315 March 2023DirectRT from 261
24 February 202322 March 2023DirectRT from 278
25 February 202322 March 20231 StopRT from 210
26 February 202322 March 2023DirectRT from 314
27 February 202322 March 2023DirectRT from 251
28 February 202322 March 2023DirectRT from 251
1 March 202329 March 2023DirectRT from 251
2 March 202329 March 2023DirectRT from 278
4 March 202329 March 2023DirectRT from 251
5 March 202329 March 20231 StopRT from 210
6 March 202311 March 2023DirectRT from 278
8 March 202311 March 2023DirectRT from 268
11 March 20235 April 2023DirectRT from 333
16 March 202327 March 20231 StopRT from 297
17 March 202323 March 2023DirectRT from 298
18 March 202328 March 2023DirectRT from 281
20 March 202312 April 2023DirectRT from 268
21 March 202327 March 20231 StopRT from 317
22 March 202319 April 2023DirectRT from 251
23 March 202329 March 2023DirectRT from 300
24 March 20232 April 2023DirectRT from 501
26 March 202331 March 2023DirectRT from 395
29 March 202326 April 2023DirectRT from 1 007
1 April 20237 April 20231 StopRT from 521
2 April 20238 April 20231 StopRT from 302
3 April 20235 April 2023DirectRT from 278
7 April 202310 April 2023DirectRT from 495
13 April 202319 April 20231 StopRT from 410
14 April 202322 April 2023DirectRT from 429

The Cheapest Flights from San Francisco to Boston for the Year Ahead

Departure atReturn atStopsAirlineFind tickets
31 May 202210 June 2022DirectRT from 512
16 June 202219 June 2022DirectRT from 334
12 July 202226 July 2022DirectRT from 311
9 August 202223 August 20221 StopRT from 315
13 September 202226 September 20221 StopRT from 249
21 December 202227 December 20221 StopRT from 465
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