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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

Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Sat, 12 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Sun, 13 sep +1
254 S$
United Airlines
UA 1734
09:45
Boston, Logan (BOS)
Sun, 13 sep
1h 35min
Direct
11:20
Washington, Washington Dulles International Airport (IAD)
Sun, 13 sep
227 S$
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Sun, 13 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Mon, 14 sep +1
270 S$
Frontier Airlines
F9 3511
16:54
Boston, Logan (BOS)
Mon, 14 sep
11h 16min
1 stop
04:10
Washington, Washington Dulles International Airport (IAD)
Tue, 15 sep +1
223 S$
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
106 S$
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
75 S$
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
137 S$
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
209 S$
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
198 S$
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
229 S$
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
78 S$
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
193 S$
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
149 S$
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
384 S$
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
195 S$
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
161 S$
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
225 S$
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
264 S$
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
234 S$
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
248 S$
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
225 S$
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
332 S$
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
627 S$
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
89 S$
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
105 S$
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
93 S$
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
106 S$
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
77 S$
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
106 S$
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
89 S$
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
140 S$
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
148 S$
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
239 S$
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
191 S$
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
212 S$
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
167 S$
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
168 S$
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
311 S$
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
92 S$
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
147 S$
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
98 S$
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
159 S$
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
183 S$
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
572 S$

Low price calendar

September 2026
Price chart (September 2026)
min: 89 S$ · max: 234 S$
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Fri
Sat
Sun
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226 S$
13
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227 S$
14
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223 S$
15
Good deal
137 S$
16
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198 S$
17
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no data
18
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229 S$
19
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193 S$
20
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149 S$
21
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195 S$
23
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161 S$
24
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225 S$
25
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234 S$
26
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225 S$
27
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28
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Good deal
89 S$
30
Good deal
105 S$

Cheap flights Boston to Washington Dulles International Airport

United Airlines
United Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$92
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$161
American Airlines
American Airlines
Sat
Price from
S$167
Air Canada
Air Canada
Mon, Thu
Price from
S$311

Popular destinations from Boston

All →
BOS
Boston — Orlando
United States → United States
ORL
from
S$29
BOS
Boston — Washington
United States → United States
WAS
from
S$49
BOS
Boston — Washington
United States → United States
DCA
from
S$49
BOS
Boston — Miami
United States → United States
MIA
from
S$49
BOS
Boston — Fort Lauderdale
United States → United States
FLL
from
S$51
BOS
Boston — San Juan
United States → Puerto Rico
SJU
from
S$67
BOS
Boston — Orlando
United States → United States
MCO
from
S$71
BOS
Boston — Orlando
United States → United States
SFB
from
S$79

Popular destinations to Washington Dulles International Airport

All →
FLL
Fort Lauderdale — Washington
United States → United States
IAD
from
S$29
ORL
Orlando — Washington
United States → United States
IAD
from
S$37
ATL
Atlanta — Washington
United States → United States
IAD
from
S$37
CHI
Chicago — Washington
United States → United States
IAD
from
S$78
DFW
Dallas — Washington
United States → United States
IAD
from
S$79
TPA
Tampa — Washington
United States → United States
IAD
from
S$82
NYC
New York — Washington
United States → United States
IAD
from
S$85
LAX
Los Angeles — Washington
United States → United States
IAD
from
S$87

Cheap flights Boston to Washington Dulles International Airport

Interesting facts about the route

Flight time

4h 36min

Distance

661 km

Average price

S$187

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

S$11

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2 GB

data

15

days

S$16

Buy

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5 GB

data

30

days

S$18

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change

3 GB

data

30

days

S$20

Buy

change

5 GB

data

30

days

S$29

Buy

Frequently Asked Questions

The average ticket price Boston Washington Dulles International Airport is S$187. The cheapest ticket costs S$75, 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 11 hours 16 minutes. The fastest flight takes 1 hour 35 minutes, flight 1734 operated by United Airlines, departing Boston on 13 September at 09:45, arriving Washington Dulles International Airport on 13 September at 11:20.
Flights on the Boston - Washington Dulles International Airport route are operated by the following airlines: American Airlines, Air Canada, Frontier Airlines, United Airlines.
The distance from Boston to Washington Dulles International Airport is 661 km.