
$75 Cheap Frontier Airlines flights Washington (IAD) to Boston (BOS)
$75 Cheap Frontier Airlines flights Washington (IAD) to Boston (BOS)
Prices were available within the past 7 days and start at $75 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 16 - Wed, Jun 17
IAD
Washington
BOS
Boston
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago

Tue, Jun 16 - Thu, Jun 18
IAD
Washington
BOS
Boston
$220 Roundtrip, found 1 day ago
$220
Roundtrip
found 1 day ago

Mon, Jun 15 - Wed, Jun 17
IAD
Washington
BOS
Boston
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago

Fri, Jun 12 - Tue, Jun 16
IAD
Washington
BOS
Boston
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Alternative airports near Boston
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Washington (IAD) to Boston (BOS)
February is typically the cheapest month to fly
From $113 - $243 per traveler.
Travel information
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Logan Intl. |
Airlines serving | United |
Popular airline | United |
Distance | 657 km |
Average flight time | 5 hours 13 mins |
Explore a world of travel with Expedia
Most Popular Frontier Airlines Routes from Washington
Most Popular Frontier Airlines Routes from Boston
- Frontier Airlines BOS to PHL
- Frontier Airlines BOS to ATL
- Frontier Airlines BOS to LAX
- Frontier Airlines BOS to IAD
- Frontier Airlines BOS to BWI
- Frontier Airlines BOS to CMH
- Frontier Airlines BOS to MCO
- Frontier Airlines BOS to SJU
- Frontier Airlines BOS to MSP
- Frontier Airlines BOS to MIA
- Frontier Airlines BOS to TPA
- Orlando to Newark Liberty Intl. Airport (MCO - EWR)
- Denver to Baltimore (DEN - BWI)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- New York to Orlando (LGA - MCO)
- Boston to San Juan (BOS - SJU)
- Houston to Miami (IAH - MIA)
- Los Angeles to New York (LAX - JFK)
- Denver to Washington (DEN - DCA)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Denver to Washington (DEN - IAD)
Popular Domestic Routes in Logan Intl.
- Los Angeles to New York (LAX - JFK)
- Houston to Miami (IAH - MIA)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- San Francisco to Houston (SFO - IAH)
- San Francisco to Ontario (SFO - ONT)
- Seattle to Los Angeles (SEA - LAX)
- Orlando to Newark Liberty Intl. Airport (MCO - EWR)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Boston to Tampa (BOS - TPA)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)