Cheap flights Boston (BOS) to Washington (DCA)
Boston to Washington is a 465-mile trip with 6 airports worth comparing across both ends. The closest airport to Boston is rarely the cheapest one once you price the drive and parking — on this route the gap between nearest and cheapest runs around $28.
Try it now — prefilled search for BOS → DCA
Search BOS → DCANearest vs. cheapest door-to-door
| Choice | Airports | Est. flight | Est. ground | Est. total |
|---|---|---|---|---|
| Nearest airports | BOS → DCA | $165 | $132 | $297 |
| Cheapest combo | PVD → DCA | $166 | $103 | $269 |
Estimated savings by not defaulting to the nearest airport: ~$28. These are modeled estimates, not live fares — always confirm on the search page.
Departure airports near Boston
| Airport | Drive | Parking/day | Est. flight to DCA | Est. total (4-night trip) |
|---|---|---|---|---|
| BOS — Boston | 2.9 mi / 5m | $113 | $165 | $278 |
| MHT — Manchester | 51.8 mi / 52m | $82 | $173 | $255 |
| PVD — Providence | 56.8 mi / 55m | $84 | $166 | $250 |
Arrival airports near Washington
| Airport | From downtown | Est. rideshare | Est. flight from BOS | Est. total (4-night trip) |
|---|---|---|---|---|
| DCA — Washington | 4.7 mi / 7m | $19 | $165 | $184 |
| IAD — Washington | 27.1 mi / 33m | $67 | $164 | $231 |
| BWI — Baltimore | 32.2 mi / 38m | $78 | $168 | $246 |
The drive itself
Driving direct is about 465 miles, 7h 42m, and an estimated $82 in gas and wear, one-way. All fares and ground costs on this page are modeled estimates from route economics and drive-time math, not live quotes — run the search above for current pricing.
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