
$91 Cheap Frontier Airlines flights Boston (BOS) to Washington (IAD)
Prices were available within the past 7 days and start at $91 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 26 - Thu, Jan 29
BOS
Boston
IAD
Washington
$170 Roundtrip, found 2 days ago
$170
Roundtrip
found 2 days ago
Find the cheapest month to fly from Boston (BOS) to Washington (IAD)
February is typically the cheapest month to fly
From $97 - $234 per traveler.
Alternative airports near Washington
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Logan Intl. |
|---|---|
Destination airport | Washington Dulles Intl. |
Distance | 657 km |
Average flight time | 1 hour 46 mins |
Most Popular Frontier Airlines Routes from Boston
Most Popular Frontier Airlines Routes from Washington
- New York to Cancun (JFK - CUN)
- Atlanta to San Francisco (ATL - SFO)
- Philadelphia to Las Vegas (PHL - LAS)
- Chicago to Miami (ORD - MIA)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Los Angeles to Nashville (LAX - BNA)
- Newark Liberty Intl. Airport to Cancun (EWR - CUN)
- Chicago to Miami (MDW - MIA)
- Chicago to Denver (ORD - DEN)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
Popular Domestic Routes in Washington Dulles Intl.
- Philadelphia to Las Vegas (PHL - LAS)
- Philadelphia to Orlando (PHL - MCO)
- Orlando to Phoenix (MCO - PHX)
- Philadelphia to Las Vegas (PHL - LAS)
- New York to Los Angeles (LGA - LAX)
- Trenton to Orlando (TTN - MCO)
- Chicago to Tampa (ORD - TPA)
- Fort Lauderdale to Newark Liberty Intl. Airport (FLL - EWR)
- Chicago to Tampa (ORD - TPA)
- Chicago to Miami (ORD - MIA)