Washington D.C. to Boston Flights

Deals as low as $141 right now.
Not ready to book?
Download Hopper to watch.

Best Deals from IAD to BOS

Discover the cheapest current deals from 879 recent searches matching your trip
  • $141
    Boston
    4 days in Aug
    Wed
    22
    Sun
    26
  • $141
    Boston
    7 days in Jul
    Wed
    11
    Wed
    18
  • $141
    Boston
    7 days in Jul
    Tue
    17
    Tue
    24
  • $141
    Boston
    8 days in Jul & Aug
    Tue
    31
    Wed
    8
  • $141
    Boston
    7 days in Aug
    Wed
    1
    Wed
    8
  • $141
    Boston
    7 days in Sep
    Wed
    5
    Wed
    12
  • When to Fly
    Prices range from $154 in September to $221 in April
    Details:
    Good deals for this route are priced below 140.0

    The cheapest round trip flights from IAD to BOS for any dates in the next six months were priced from about $144 - $160 and from about $140 - $160 (nonstop).

    Fly out on a Tuesday, return on a Wednesday, save up to $20.

    The best day to depart a roundtrip ticket from Washington D.C. to Boston is Tuesday, saving $10. The best day to return is Wednesday, saving up to $10.

    From:
    Washington D.C. (IAD)
        
    To:
    Boston (BOS)    
        
    Apply Changes