BOS - IAD
Find cheap flights from Boston to Washington Dulles Airport
Round-trip
1 adult
Economy
Sat 6/24
Sat 7/1
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Good to know
Low season | January |
|---|---|
High season | November |
Cheapest flight | $48 |
Average price round-trip | $226 |
Good deal round-trip | $288 |
Good deal one-way | $128 |
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Boston to Washington Dulles Airport
(avg. price over the last 2 weeks)
or less
or less
When to book flights from Boston to Dulles Intl
Estimated round-trip price
Average price per month
Flight prices as travel date approaches
Top tips for finding a cheap flight from BOS to Washington Dulles Airport
- Looking for a cheap flight? 25% of our users found flights on this route for $128 or less one-way and $288 or less round-trip.
- The cheapest flight from Boston to Washington Dulles Airport was found 30 days before departure, on average.
- Book at least 1 week before departure in order to get a below-average price.
- High season is considered to be October, November and December. The cheapest month to fly is January.
- Morning departure is around 2% cheaper than an evening flight, on average*.
- Boston Logan International Airport (BOS) is one of the most used airports globally. As a result, you’ll likely encounter slow-moving traffic and long lines at its security checkpoints when entering this airport. To have enough time to navigate the traffic and be cleared at the checkpoints, you should reach this airport no less than 2h before your flight on the date you're set to fly from it.
- If you are journeying from BOS to Dulles International Airport (IAD) with your kids, you should let them have fun in one of BOS’s children’s play areas. These playgrounds are near Gate 18 in Terminal A, Gate 30 in Terminal B, and Gate 25 in Terminal C. It’s worth stating that in any, your kids will have a good time, as they all feature several toys and child-proof playgrounds.
- In case you’re traveling to Washington with your pet while waiting for your flight at BOS, you can let it relieve itself in one of the airport’s designated pet relief areas. The relief areas at this airport are on the Arrival level curb of every terminal and across Gate E7 in Terminal E.
- If you’re in no rush to depart IAD, you should consider visiting Be Relax Spa. This spa, located near Gate A32, has dedicated staff and proper spa equipment. As it offers its services at pocket-friendly rates, you will enjoy quality service without incurring a hefty bill here.
- You can pray, meditate, or reflect privately at IAD, as the airport features a chapel. This interfaith chapel, near Gate A32 on Concourse A, is normally open 24/7.
FAQs for booking Boston to Washington Dulles Airport flights
Top airlines flying from Boston to Dulles Intl
Scores according to KAYAK customer reviews7.9
DeltaOverall score based on 29352 reviews
81overall
78comfort
78entertainment
81boarding
85crew
75food
Airline reviews
Pros: "The crew was great. The pilots too."
Cons: "The audio and video at my seat did not work correctly."
Pros: "The crew was great. The pilots too."
Cons: "The audio and video at my seat did not work correctly."
Pros: "Delayed boarding but made up for lost time in the air"
Cons: "Delayed boarding"
Pros: "Crew was amazing. Pilots were attentive to kids and answered questions. Everyone was very welcoming and helpful."
Cons: "They didn't have some of their food options (and they apologized for that up front), but then ran out of the others by the time they got half way through the plane. That was tough for a five hour flight that went through dinner time."
Pros: "Seat was hard, not much foot space"
Cons: "My wife and Iasked for a snack, it was never delivered"
Pros: "Good entertainment options."
Cons: "Only water and coffee available. Flight had been delayed over an hour."
Cons: "Crew didn’t serve drinks/snacks; otherwise nice and short flight"
Pros: "N/a"
Cons: "The crew members were very rude and they called me an IDIOT!! Yes they did because the forced me to check my carry on bag and i didnt want they are racists"
Pros: "Crew was friendly"
Cons: "An hour and a half late, terrible communication about scheduling"
Pros: "Everything went great. Flight left a little late but was fine and only arrived a little late. I like the side wings on head rests really help."
Cons: "Seats are always hard on long flights."
Cons: "Flight cancelled due to weather that was never bad but on the potential of bad weather. Had to scramble so my 18 year old son was not stranded overnight in a strange place and Delta does not help. Only rebooked a flight itinerary for the next day for a 4 hour flight with connections on a 1 hour direct flight. Spent an hour on line to figure out what to do. #neverdelta"
Pros: "We didn’t crash."
Cons: "First class seat was uncomfortable and had very little padding. Meal service was not good. No drinks offered."
Pros: "The crew was great as was the check in crew."
Cons: "The comfort of the seat and leg space."
Pros: "We arrived nearly on time & without issue."
Cons: "The plane was warm & no cool air was being dispersed in the cabin & because of that it was very dry. Better temperature regulation, climate control is needed to make fir a more comfortable flight."
Pros: "The crew and the entertainment were excellent."
Cons: "The seating area is very tight and the aisles were extremely narrow."
Pros: "The staff at the boarding gate and the flight crew were friendly and professional."
Cons: "The United gates at Logan airport were quite horrible. Poor signage, limited bathrooms, and all the dining options were quite expensive."
Pros: "I liked the ticket price."
Cons: "The seat was very narrow with absolutely minimal leg space, and a carry-on bag was not included in the fare."
Pros: "Water and snacks offered when flight was delayed over an hour! Crew."
Cons: "Flight delayed over an hour."
Pros: "I like flying Lufthansa for entire trip then changing to united airlines"
Cons: "Particular everything the airline"
Cons: "I missed having the navigation map when traveling such a long distance."
Pros: "Salmon and rice."
Cons: "Tvs not working and staff pretending as if they would fix it but actually the problem been going for a while with that airplane. The pizza should not only be a vegetarian one ."
Book cheap flights from Boston to Washington Dulles Airport
Recent round-trip flight deals
8/30Wed
nonstopUnited Airlines
1h 42mBOS-IAD
9/6Wed
nonstopUnited Airlines
1h 36mIAD-BOS
$98
6/6Tue
nonstopUnited Airlines
1h 42mBOS-IAD
6/7Wed
1 stopUnited Airlines
4h 51mIAD-BOS
$123
8/31Thu
nonstopUnited Airlines
1h 42mBOS-IAD
9/5Tue
nonstopUnited Airlines
1h 35mIAD-BOS
$128
9/27Wed
nonstopUnited Airlines
1h 44mBOS-IAD
10/3Tue
1 stopUnited Airlines
3h 46mIAD-BOS
$138
9/8Fri
nonstopUnited Airlines
1h 39mBOS-IAD
9/12Tue
nonstopUnited Airlines
1h 35mIAD-BOS
$139
9/7Thu
nonstopUnited Airlines
1h 39mBOS-IAD
9/9Sat
nonstopUnited Airlines
1h 35mIAD-BOS
$142
8/12Sat
nonstopUnited Airlines
1h 42mBOS-IAD
8/16Wed
nonstopUnited Airlines
1h 40mIAD-BOS
$143
8/9Wed
1 stopUnited Airlines
7h 13mBOS-IAD
8/16Wed
nonstopUnited Airlines
1h 40mIAD-BOS
$153
6/14Wed
nonstopUnited Airlines
1h 42mBOS-IAD
6/21Wed
nonstopUnited Airlines
1h 40mIAD-BOS
$155
6/28Wed
nonstopUnited Airlines
1h 42mBOS-IAD
7/4Tue
nonstopUnited Airlines
1h 40mIAD-BOS
$158
6/6Tue
1 stopUnited Airlines
4h 52mBOS-IAD
6/7Wed
1 stopUnited Airlines
4h 51mIAD-BOS
$162
6/8Thu
nonstopUnited Airlines
1h 42mBOS-IAD
8/13Sun
1 stopUnited Airlines
4h 52mIAD-BOS
$163
9/7Thu
nonstopUnited Airlines
1h 39mBOS-IAD
9/9Sat
1 stopUnited Airlines
4h 54mIAD-BOS
$164
8/1Tue
nonstopUnited Airlines
1h 42mBOS-IAD
8/5Sat
nonstopUnited Airlines
1h 40mIAD-BOS
$166
7/11Tue
nonstopUndisclosed Carrier
1h 42mBOS-IAD
7/13Thu
1 stopUndisclosed Carrier
4h 52mIAD-BOS
$167
6/28Wed
nonstopUnited Airlines
1h 42mBOS-IAD
7/4Tue
1 stopUnited Airlines
4h 52mIAD-BOS
$168
9/8Fri
nonstopUnited Airlines
1h 39mBOS-IAD
9/11Mon
nonstopUnited Airlines
1h 35mIAD-BOS
$169
6/5Mon
nonstopUnited Airlines
1h 41mBOS-IAD
6/7Wed
1 stopUnited Airlines
4h 51mIAD-BOS
$171
8/20Sun
nonstopUndisclosed Carrier
1h 42mBOS-IAD
8/21Mon
1 stopUndisclosed Carrier
4h 52mIAD-BOS
$182
8/12Sat
nonstopUndisclosed Carrier
1h 42mBOS-IAD
8/14Mon
1 stopUndisclosed Carrier
4h 52mIAD-BOS
$197
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Recent one-way flight deals
6/10Sat
nonstopUnited Airlines
1h 42mBOS-IAD
$48
5/31Wed
nonstopUnited Airlines
1h 35mBOS-IAD
$49
6/10Sat
nonstopUnited Airlines
1h 42mBOS-IAD
$62
6/8Thu
nonstopUnited Airlines
1h 42mBOS-IAD
$64
6/15Thu
nonstopUnited Airlines
1h 42mBOS-IAD
$79
11/14Tue
nonstopUnited Airlines
1h 48mBOS-IAD
$80
5/31Wed
1 stopUnited Airlines
5h 49mBOS-IAD
$89
7/8Sat
nonstopUnited Airlines
1h 42mBOS-IAD
$90
6/11Sun
nonstopUnited Airlines
1h 42mBOS-IAD
$94
5/30Tue
nonstopUndisclosed Carrier
0h 49mBOS-IAD
$119
6/15Thu
1 stopDelta
4h 19mBOS-IAD
$124
6/16Fri
1 stopDelta
4h 19mBOS-IAD
$134
7/12Wed
2 stopsMultiple Airlines
26h 16mBOS-IAD
$136
6/27Tue
2 stopsMultiple Airlines
46h 07mBOS-IAD
$142
6/10Sat
1 stopDelta
4h 19mBOS-IAD
$144
6/5Mon
2 stopsMultiple Airlines
25h 04mBOS-IAD
$151
6/8Thu
3 stopsUndisclosed Carrier
25h 23mBOS-IAD
$153
6/26Mon
nonstopUndisclosed Carrier
0h 49mBOS-IAD
$154
6/25Sun
1 stopDelta
4h 19mBOS-IAD
$159
6/4Sun
3 stopsUndisclosed Carrier
28h 50mBOS-IAD
$160
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Boston - Washington Dulles Airport Flights
Departure:
Boston (BOS)United States
Destination:
Washington Dulles Airport (IAD)United States
Return flight deals:
Washington Dulles Airport - Boston
Cabin classes:
$464
$2,254
$683
$148