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Cheap flights Boston (Logan) to Washington Dulles International Airport

1 passenger, economy

Cheap flights Boston to Washington Dulles International Airport

Compare prices, duration and stops

United Airlines
UA 371
23:00
Boston, Logan (BOS)
Mon, 14 sep
3h 59min
1 stop
02:59
Washington, Washington Dulles International Airport (IAD)
Tue, 15 sep +1
62 £
United Airlines
UA 1734 Best price
09:45
Boston, Logan (BOS)
Tue, 15 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Tue, 15 sep
44 £
United Airlines
UA 2098
13:30
Boston, Logan (BOS)
Tue, 15 sep
1h 41min
Direct
15:11
Washington, Washington Dulles International Airport (IAD)
Tue, 15 sep
80 £
Frontier Airlines
F9 3511
16:52
Boston, Logan (BOS)
Tue, 15 sep
11h 18min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Wed, 16 sep +1
153 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Wed, 16 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Thu, 17 sep +1
115 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Fri, 18 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Fri, 18 sep
177 £
Frontier Airlines
F9 1977
15:36
Boston, Logan (BOS)
Fri, 18 sep
22h 41min
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Sat, 19 sep +1
133 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Sat, 19 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Sat, 19 sep
46 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Sat, 19 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Sun, 20 sep +1
131 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Sun, 20 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Sun, 20 sep
87 £
United Airlines
UA 2136
23:23
Boston, Logan (BOS)
Mon, 21 sep
1h 45min
Direct
01:08
Washington, Washington Dulles International Airport (IAD)
Tue, 22 sep +1
224 £
Frontier Airlines
F9 3511
16:52
Boston, Logan (BOS)
Tue, 22 sep
11h 18min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Wed, 23 sep +1
113 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Wed, 23 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Thu, 24 sep +1
94 £
Frontier Airlines
F9 1977
15:17
Boston, Logan (BOS)
Thu, 24 sep
23h
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Fri, 25 sep +1
131 £
Frontier Airlines
F9 1977
15:36
Boston, Logan (BOS)
Fri, 25 sep
22h 41min
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Sat, 26 sep +1
154 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Fri, 25 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Sat, 26 sep +1
136 £
American Airlines
AA 1742
11:19
Boston, Logan (BOS)
Sat, 26 sep
4h 37min
1 stop
15:56
Washington, Washington Dulles International Airport (IAD)
Sat, 26 sep
144 £
Frontier Airlines
F9 1977
15:36
Boston, Logan (BOS)
Sat, 26 sep
22h 51min
1 stop
14:27
Washington, Washington Dulles International Airport (IAD)
Sun, 27 sep +1
131 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Sun, 27 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Sun, 27 sep
193 £
Frontier Airlines
F9 1977
15:53
Boston, Logan (BOS)
Sun, 27 sep
22h 24min
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Mon, 28 sep +1
366 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Mon, 28 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Mon, 28 sep
135 £
Frontier Airlines
F9 3511
16:52
Boston, Logan (BOS)
Tue, 29 sep
11h 18min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Wed, 30 sep +1
135 £
United Airlines
UA 2136
23:13
Boston, Logan (BOS)
Tue, 29 sep
1h 45min
Direct
00:58
Washington, Washington Dulles International Airport (IAD)
Wed, 30 sep +1
52 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Wed, 30 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Thu, 1 oct +1
61 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Thu, 1 oct
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Thu, 1 oct
54 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Fri, 2 oct
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Sat, 3 oct +1
62 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Sat, 3 oct
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Sat, 3 oct
45 £
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Sat, 3 oct
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Sun, 4 oct +1
62 £
United Airlines
UA 2136
23:13
Boston, Logan (BOS)
Sat, 3 oct
1h 45min
Direct
00:58
Washington, Washington Dulles International Airport (IAD)
Sun, 4 oct +1
52 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Thu, 8 oct
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Thu, 8 oct
81 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Fri, 16 oct
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Fri, 16 oct
86 £
Jetblue Airways
B6 651
14:00
Boston, Logan (BOS)
Tue, 20 oct
24h 17min
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Wed, 21 oct +1
106 £
Frontier Airlines
F9 3511
16:57
Boston, Logan (BOS)
Wed, 21 oct
11h 24min
1 stop
04:21
Washington, Washington Dulles International Airport (IAD)
Thu, 22 oct +1
92 £
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Thu, 22 oct
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Thu, 22 oct
138 £
Frontier Airlines
F9 3347
15:47
Boston, Logan (BOS)
Fri, 23 oct
22h 30min
1 stop
14:17
Washington, Washington Dulles International Airport (IAD)
Sat, 24 oct +1
127 £
Frontier Airlines
F9 3511
15:42
Boston, Logan (BOS)
Sat, 24 oct
12h 39min
1 stop
04:21
Washington, Washington Dulles International Airport (IAD)
Sun, 25 oct +1
92 £
United Airlines
UA 1734
09:30
Boston, Logan (BOS)
Sun, 25 oct
1h 40min
Direct
11:10
Washington, Washington Dulles International Airport (IAD)
Sun, 25 oct
118 £
Frontier Airlines
F9 3347
15:47
Boston, Logan (BOS)
Mon, 26 oct
22h 34min
1 stop
14:21
Washington, Washington Dulles International Airport (IAD)
Tue, 27 oct +1
95 £
Frontier Airlines
F9 3511
15:12
Boston, Logan (BOS)
Tue, 27 oct
6h
1 stop
21:12
Washington, Washington Dulles International Airport (IAD)
Tue, 27 oct
88 £
United Airlines
UA 2213
17:00
Boston, Logan (BOS)
Fri, 6 nov
4h 35min
1 stop
21:35
Washington, Washington Dulles International Airport (IAD)
Fri, 6 nov
112 £
United Airlines
UA 1734
10:30
Boston, Logan (BOS)
Fri, 20 nov
1h 40min
Direct
12:10
Washington, Washington Dulles International Airport (IAD)
Fri, 20 nov
123 £
American Airlines
AA 1004
12:16
Boston, Logan (BOS)
Sat, 21 nov
5h 37min
1 stop
17:53
Washington, Washington Dulles International Airport (IAD)
Sat, 21 nov
97 £
American Airlines
AA 1756
21:34
Boston, Logan (BOS)
Sat, 21 nov
5h 27min
1 stop
03:01
Washington, Washington Dulles International Airport (IAD)
Sun, 22 nov +1
98 £
Air Canada
AC 8545
00:40
Boston, Logan (BOS)
Mon, 30 nov
21h 7min
1 stop
21:47
Washington, Washington Dulles International Airport (IAD)
Mon, 30 nov
181 £
United Airlines
UA 1734 🔥 Hot deal
10:45
Boston, Logan (BOS)
Tue, 8 dec
1h 40min
Direct
12:25
Washington, Washington Dulles International Airport (IAD)
Tue, 8 dec
53 £
United Airlines
UA 2136
00:33
Boston, Logan (BOS)
Wed, 9 dec
1h 34min
Direct
02:07
Washington, Washington Dulles International Airport (IAD)
Wed, 9 dec
86 £
United Airlines
UA 1734 🔥 Hot deal
10:45
Boston, Logan (BOS)
Fri, 25 dec
1h 47min
Direct
12:32
Washington, Washington Dulles International Airport (IAD)
Fri, 25 dec
57 £
United Airlines
UA 721
18:16
Boston, Logan (BOS)
Sat, 1 May
1h 48min
Direct
20:04
Washington, Washington Dulles International Airport (IAD)
Sat, 1 May
93 £
United Airlines
UA 1734
10:00
Boston, Logan (BOS)
Thu, 10 June
1h 34min
Direct
11:34
Washington, Washington Dulles International Airport (IAD)
Thu, 10 June
107 £
Air Canada
AC 8541
13:35
Boston, Logan (BOS)
Thu, 22 July
6h 37min
1 stop
20:12
Washington, Washington Dulles International Airport (IAD)
Thu, 22 July
333 £

Low price calendar

September 2026
Price chart (September 2026)
min: 61 £ · max: 136 £
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130 £
15
Good deal
80 £
16
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115 £
17
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18
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133 £
19
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131 £
20
Good deal
87 £
21
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113 £
23
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94 £
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131 £
25
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136 £
26
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131 £
27
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135 £
29
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135 £
30
Good deal
61 £

Cheap flights Boston to Washington Dulles International Airport

United Airlines
United Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£54
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£88
American Airlines
American Airlines
Sat
Price from
£97
Jetblue Airways
Jetblue Airways
Tue
Price from
£106
Air Canada
Air Canada
Mon, Thu
Price from
£181

Popular destinations from Boston

All →
BOS
Boston — Orlando
United States → United States
ORL
from
£17
BOS
Boston — Washington
United States → United States
WAS
from
£29
BOS
Boston — Washington
United States → United States
DCA
from
£29
BOS
Boston — Miami
United States → United States
MIA
from
£29
BOS
Boston — Fort Lauderdale
United States → United States
FLL
from
£29
BOS
Boston — San Juan
United States → Puerto Rico
SJU
from
£39
BOS
Boston — Orlando
United States → United States
MCO
from
£41
BOS
Boston — Orlando
United States → United States
SFB
from
£46

Popular destinations to Washington Dulles International Airport

All →
FLL
Fort Lauderdale — Washington
United States → United States
IAD
from
£17
ORL
Orlando — Washington
United States → United States
IAD
from
£21
ATL
Atlanta — Washington
United States → United States
IAD
from
£22
CHI
Chicago — Washington
United States → United States
IAD
from
£45
DFW
Dallas — Washington
United States → United States
IAD
from
£46
TPA
Tampa — Washington
United States → United States
IAD
from
£48
NYC
New York — Washington
United States → United States
IAD
from
£49
LAX
Los Angeles — Washington
United States → United States
IAD
from
£50

Cheap flights Boston to Washington Dulles International Airport

Interesting facts about the route

Flight time

5h 27min

Distance

661 km

Average price

£107

Most frequent flight

UA 1734

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

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3 GB

data

30

days

£7

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2 GB

data

15

days

£9

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5 GB

data

30

days

£10

Buy

change

3 GB

data

30

days

£12

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change

5 GB

data

30

days

£17

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Frequently Asked Questions

The average ticket price Boston Washington Dulles International Airport is £107. The cheapest ticket costs £44, operated by United Airlines, flight 1734, departing Boston on 15 September at 09:45, arriving Washington Dulles International Airport on 15 September at 11:20.
The average flight time is 3 hours 59 minutes. The fastest flight takes 1 hour 35 minutes, flight 1734 operated by United Airlines, departing Boston on 15 September at 09:45, arriving Washington Dulles International Airport on 15 September at 11:20.
Flights on the Boston - Washington Dulles International Airport route are operated by the following airlines: American Airlines, Air Canada, Jetblue Airways, Frontier Airlines, United Airlines.
The distance from Boston to Washington Dulles International Airport is 661 km.