United Flight UA6171 Deals & Information (2025/2026)

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United Flight 6171 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $159 and $100 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 29 - Sun, Aug 3
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$159 Roundtrip, found 3 days ago
$159
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 29 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Sun, Aug 3, priced at $159 found 3 days ago
Wed, Jun 25 - Sun, Jun 29
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$162 Roundtrip, found 5 hours ago
$162
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Jun 25 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Sun, Jun 29, priced at $162 found 5 hours ago
Tue, Jul 29 - Sun, Aug 3
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 29 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Sun, Aug 3, priced at $171 found 3 days ago
Sun, Jul 27 - Mon, Jul 28
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$176 Roundtrip, found 4 days ago
$176
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jul 27 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Mon, Jul 28, priced at $176 found 4 days ago
Mon, Jun 9 - Mon, Jun 30
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 9 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Mon, Jun 30, priced at $177 found 3 days ago
Thu, Jul 17 - Tue, Jul 22
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 17 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Tue, Jul 22, priced at $178 found 1 day ago
Tue, Jul 8 - Sun, Jul 13
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$181 Roundtrip, found 18 hours ago
$181
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Jul 8 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Sun, Jul 13, priced at $181 found 18 hours ago
Thu, Jul 17 - Tue, Jul 22
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 17 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Tue, Jul 22, priced at $189 found 1 day ago
Wed, Jan 14 - Wed, Jan 28
CVG
Cincinnati - Northern Kentucky Intl.
IAD
Washington Dulles Intl.
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jan 14 from Cincinnati - Northern Kentucky Intl. to Washington Dulles Intl., returning Wed, Jan 28, priced at $199 found 6 days ago

Frequently asked questions

What route does flight number UA6171 take?
UA6171 is used on multiple routes. More commonly, UA6171 flies directly from Washington Dulles Intl. Airport (IAD) to MSY. If you’ve booked a seat on this route, you’ll be airborne for roughly 2 hours and 42 minutes.
What kind of plane is on flight number UA6171?
It’s likely you’ll be traveling aboard the Embraer 175 if you’ve booked a fare on flight UA6171 from Washington Dulles Intl. Airport (IAD) to Louis Armstrong New Orleans Intl. Airport (MSY). It’s the most commonly used aircraft type on this popular route.
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 UA6171 flight with Travelocity, please visit our Customer Service Portal.