United Flight 3635 Deals & Information (2026/2027)

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United Flight 3635 Route Deals From $136

The cheapest prices found with in the last 7 days for return flights were $216 and $136 for one-way flights to Indianapolis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$216 Roundtrip, found 5 hours ago
$216
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $216 found 5 hours ago
Wed, May 13 - Fri, May 15
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$223 Roundtrip, found 22 hours ago
$223
Roundtrip
found 22 hours ago
Select United flight, departing Wed, May 13 from Washington Dulles Intl. to Indianapolis Intl., returning Fri, May 15, priced at $223 found 22 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$226 Roundtrip, found 5 hours ago
$226
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $226 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$241 Roundtrip, found 5 hours ago
$241
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $241 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$251 Roundtrip, found 5 hours ago
$251
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $251 found 5 hours ago
Tue, May 26 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 26 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $254 found 3 days ago
Wed, May 13 - Fri, May 15
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$260 Roundtrip, found 22 hours ago
$260
Roundtrip
found 22 hours ago
Select United flight, departing Wed, May 13 from Washington Dulles Intl. to Indianapolis Intl., returning Fri, May 15, priced at $260 found 22 hours ago
Fri, Jun 12 - Sun, Jun 14
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 12 from Washington Dulles Intl. to Indianapolis Intl., returning Sun, Jun 14, priced at $263 found 1 day ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$264 Roundtrip, found 5 hours ago
$264
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $264 found 5 hours ago
Tue, May 26 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 26 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $269 found 3 days ago
Wed, May 13 - Fri, May 15
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$272 Roundtrip, found 22 hours ago
$272
Roundtrip
found 22 hours ago
Select United flight, departing Wed, May 13 from Washington Dulles Intl. to Indianapolis Intl., returning Fri, May 15, priced at $272 found 22 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$274 Roundtrip, found 5 hours ago
$274
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $274 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$286 Roundtrip, found 5 hours ago
$286
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $286 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$289 Roundtrip, found 5 hours ago
$289
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $289 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$290 Roundtrip, found 5 hours ago
$290
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $290 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$296 Roundtrip, found 5 hours ago
$296
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to Indianapolis Intl., returning Tue, Apr 28, priced at $296 found 5 hours ago

Frequently asked questions

What route does flight number UA3635 take?
UA3635 flies direct between Pittsburgh, PA Airport (PIT-Pittsburgh Intl.) and O'Hare Intl. Airport (ORD) in around 1 hour and 35 minutes. It can sometimes be used on other routes though, some of which may be multi-stop flights. Keep an eye out for this when locking in your seat to avoid any confusion.
What kind of plane is on flight number UA3635?
If you're considering booking flight UA3635 from Pittsburgh Intl. Airport (PIT) to ORD, there's a strong chance you'll be traveling aboard the Embraer 175. This flight number serves a number of different routes, but this is the busiest.
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 UA3635 flight with Travelocity, please visit our Customer Service Portal.