United Flight 3649 Deals & Information (2026/2027)

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United Flight 3649 Route Deals From $157

The cheapest prices found with in the last 7 days for return flights were $177 and $157 for one-way flights to Ronald Reagan Washington National for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 16 - Tue, Jun 30
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Jun 30, priced at $177 found 1 day ago
Tue, Apr 28 - Wed, Apr 29
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select United flight, departing Tue, Apr 28 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, Apr 29, priced at $180 found 3 days ago
Tue, May 19 - Tue, May 26
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$188 Roundtrip, found 2 days ago
$188
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 19 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, May 26, priced at $188 found 2 days ago
Wed, May 6 - Wed, May 20
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$191 Roundtrip, found 4 days ago
$191
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 6 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, May 20, priced at $191 found 4 days ago
Tue, Jun 2 - Thu, Jun 4
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 2 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Jun 4, priced at $219 found 4 days ago
Tue, Apr 28 - Wed, Apr 29
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$220 Roundtrip, found 3 days ago
$220
Roundtrip
found 3 days ago
Select United flight, departing Tue, Apr 28 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, Apr 29, priced at $220 found 3 days ago
Wed, May 6 - Wed, May 20
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$221 Roundtrip, found 4 days ago
$221
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 6 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, May 20, priced at $221 found 4 days ago
Thu, May 7 - Sat, May 9
ORD
O'Hare Intl.
DCA
Ronald Reagan Washington National
$228 Roundtrip, just found
$228
Roundtrip
just found
Select United flight, departing Thu, May 7 from O'Hare Intl. to Ronald Reagan Washington National, returning Sat, May 9, priced at $228 just found

Frequently asked questions

What route does flight number UA3649 take?
UA3649 travels from Chicago, IL Airport (ORD-O'Hare Intl.) to Boston, MA Airport (BOS-Logan Intl.) and flies direct. This service takes 2 hours and 22 minutes.
What terminal does UA3649 fly out of?
Flight number UA3649 runs between O'Hare Airport and Boston, MA Airport (BOS-Logan Intl.), and travelers on this flight normally board the aircraft from Terminal 2.
What kind of plane is on flight number UA3649?
Get ready to hop on board an Embraer 170 if you have a seat on flight UA3649. Almost all services from O'Hare Airport to BOS are operated using this aircraft model.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA3649 flight with Travelocity, please visit our Customer Service Portal.