United Flight 3404 Deals & Information (2026/2027)

United Flight 3404 Route Deals From $248

The cheapest prices found with in the last 7 days for return flights were $216 and $248 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 28 - Tue, Jun 2
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 28 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Jun 2, priced at $216 found 2 days ago
Thu, May 28 - Mon, Jun 1
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 28 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Mon, Jun 1, priced at $218 found 2 days ago
Wed, Aug 12 - Sun, Aug 16
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 16, priced at $229 found 1 day ago
Sat, Aug 22 - Sun, Aug 23
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 22 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 23, priced at $231 found 2 days ago
Wed, Jun 10 - Sun, Jun 14
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 10 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Jun 14, priced at $237 found 1 day ago
Wed, Aug 12 - Sun, Aug 16
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 16, priced at $241 found 1 day ago
Wed, Aug 12 - Sun, Aug 16
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 16, priced at $242 found 1 day ago
Sat, Aug 22 - Sun, Aug 23
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 22 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 23, priced at $245 found 2 days ago
Sat, May 23 - Thu, May 28
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$252 Roundtrip, found 2 days ago
$252
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 23 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Thu, May 28, priced at $252 found 2 days ago
Thu, Jul 2 - Mon, Jul 6
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$255 Roundtrip, found 1 hour ago
$255
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Jul 2 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Mon, Jul 6, priced at $255 found 1 hour ago
Fri, May 29 - Sat, May 30
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$270 Roundtrip, found 4 hours ago
$270
Roundtrip
found 4 hours ago
Select United flight, departing Fri, May 29 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sat, May 30, priced at $270 found 4 hours ago