United Flight 3635 Deals & Information (2026/2027)

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United Flight 3635 Route Deals From $106

The cheapest prices found with in the last 7 days for return flights were $221 and $106 for one-way flights to Indianapolis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $221 found 1 day ago
Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $231 found 1 day ago
Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $242 found 1 day ago
Sat, May 23 - Wed, May 27
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 23 from Washington Dulles Intl. to Indianapolis Intl., returning Wed, May 27, priced at $244 found 3 days ago
Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $244 found 1 day ago
Tue, May 26 - Fri, May 29
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 26 from Washington Dulles Intl. to Indianapolis Intl., returning Fri, May 29, priced at $245 found 1 day ago
Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $247 found 1 day ago
Thu, Jul 9 - Mon, Jul 13
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 9 from Washington Dulles Intl. to Indianapolis Intl., returning Mon, Jul 13, priced at $249 found 2 days ago
Sat, May 23 - Wed, May 27
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 23 from Washington Dulles Intl. to Indianapolis Intl., returning Wed, May 27, priced at $254 found 3 days ago
Wed, May 27 - Sat, May 30
IAD
Washington Dulles Intl.
IND
Indianapolis Intl.
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to Indianapolis Intl., returning Sat, May 30, priced at $255 found 1 day 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.