
$107 Cheap Frontier Airlines flights Washington (IAD) to Boston (BOS)
Prices were available within the past 7 days and start at $107 for one-way flights and $322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 20 - Wed, Dec 31
IAD
Washington
BOS
Boston
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Find the cheapest month to fly from Washington (IAD) to Boston (BOS)
February is typically the cheapest month to fly
From $97 - $232 per traveler.
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Logan Intl. |
Airlines serving | American Airlines, Delta, Frontier Airlines, United |
Popular airline | United |
Distance | 657 km |
Average flight time | 1 hour 38 mins |
Most Popular Frontier Airlines Routes from Washington
Most Popular Frontier Airlines Routes from Boston
- Hartford to Denver (BDL - DEN)
- Atlanta to Miami (ATL - MIA)
- Minneapolis to Las Vegas (MSP - LAS)
- Baltimore to San Juan (BWI - SJU)
- Philadelphia to San Juan (PHL - SJU)
- New Orleans to New York (MSY - JFK)
- New York to Atlanta (JFK - ATL)
- Dallas to Philadelphia (DFW - PHL)
- Los Angeles to New York (LAX - JFK)
- San Antonio to Phoenix (SAT - PHX)
Popular Domestic Routes in Logan Intl.
- Seattle to Phoenix (SEA - PHX)
- San Antonio to Phoenix (SAT - PHX)
- Hartford to Denver (BDL - DEN)
- Atlanta to Denver (ATL - DEN)
- Raleigh to Los Angeles (RDU - LAX)
- Boston to Orlando (BOS - MCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Seattle to Phoenix (SEA - PHX)
- Minneapolis to Las Vegas (MSP - LAS)
- Houston to Indianapolis (IAH - IND)