United Flight 3421 Deals & Information (2025/2026)

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United Flight 3421 Route Deals From $55

The cheapest prices found with in the last 7 days for return flights were $165 and $55 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Mon, Oct 20
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$165 Roundtrip, found 3 days ago
$165
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from South Bend Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $165 found 3 days ago
Fri, Oct 31 - Sun, Nov 2
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$171 Roundtrip, found 7 hours ago
$171
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 31 from South Bend Intl. to Washington Dulles Intl., returning Sun, Nov 2, priced at $171 found 7 hours ago
Fri, Oct 24 - Mon, Oct 27
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 24 from South Bend Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $178 found 3 days ago
Fri, Oct 31 - Tue, Nov 4
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$189 Roundtrip, found 17 hours ago
$189
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Oct 31 from South Bend Intl. to Washington Dulles Intl., returning Tue, Nov 4, priced at $189 found 17 hours ago
Fri, Oct 31 - Sun, Nov 2
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$197 Roundtrip, found 7 hours ago
$197
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 31 from South Bend Intl. to Washington Dulles Intl., returning Sun, Nov 2, priced at $197 found 7 hours ago
Fri, Oct 31 - Sun, Nov 2
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$199 Roundtrip, found 7 hours ago
$199
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 31 from South Bend Intl. to Washington Dulles Intl., returning Sun, Nov 2, priced at $199 found 7 hours ago
Fri, Oct 17 - Mon, Oct 20
SBN
South Bend Intl.
IAD
Washington Dulles Intl.
$201 Roundtrip, found 3 days ago
$201
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from South Bend Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $201 found 3 days ago

Frequently asked questions

What route does flight number UA3421 take?
UA3421 operates from O'Hare Intl. Airport (ORD) to Hopkins Intl. Airport (CLE) and flies direct. This trip generally takes 1 hour and 17 minutes.
What terminal does UA3421 fly out of?
You'll likely be taking off from Terminal 2 if you're traveling on UA3421 direct from O'Hare Airport to Cleveland, OH Airport (CLE-Hopkins Intl.).
What kind of plane is on flight number UA3421?
The route for UA3421 is almost always O'Hare Airport to Cleveland Hopkins Intl. Airport, and the Embraer 170 is the aircraft model you're likely to be taking off on.
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 UA3421 flight with Travelocity, please visit our Customer Service Portal.