United Flight 4340 Deals & Information (2026/2027)

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United Flight 4340 Route Deals From $258

The cheapest prices found with in the last 7 days for return flights were $269 and $258 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 16 - Sun, Oct 18
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$269 Roundtrip, found 8 hours ago
$269
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Oct 16 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Oct 18, priced at $269 found 8 hours ago
Sat, May 23 - Wed, May 27
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$275 Roundtrip, found 16 hours ago
$275
Roundtrip
found 16 hours ago
Select United flight, departing Sat, May 23 from Huntsville Intl. to Washington Dulles Intl., returning Wed, May 27, priced at $275 found 16 hours ago
Tue, Jun 2 - Sat, Jun 6
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$288 Roundtrip, found 4 days ago
$288
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 2 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 6, priced at $288 found 4 days ago
Fri, Jul 24 - Tue, Jul 28
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$289 Roundtrip, found 9 hours ago
$289
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Jul 24 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jul 28, priced at $289 found 9 hours ago
Wed, Jun 17 - Sat, Jun 20
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 17 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 20, priced at $308 found 1 day ago
Wed, May 20 - Sun, May 24
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$310 Roundtrip, found 2 hours ago
$310
Roundtrip
found 2 hours ago
Select United flight, departing Wed, May 20 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 24, priced at $310 found 2 hours ago
Thu, Jun 11 - Sun, Jun 14
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jun 11 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Jun 14, priced at $318 found 2 days ago
Fri, Oct 16 - Sun, Oct 18
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$324 Roundtrip, found 8 hours ago
$324
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Oct 16 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Oct 18, priced at $324 found 8 hours ago
Fri, Jul 24 - Tue, Jul 28
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$329 Roundtrip, found 9 hours ago
$329
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Jul 24 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jul 28, priced at $329 found 9 hours ago
Thu, May 21 - Sat, May 23
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$332 Roundtrip, found 6 days ago
$332
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 21 from Huntsville Intl. to Washington Dulles Intl., returning Sat, May 23, priced at $332 found 6 days ago

Frequently asked questions

What route does flight number UA4340 take?
Flight number UA4340 flies direct from IAH to Gulfport - Biloxi Intl. Airport (GPT). During this journey, you can expect to be in the air for about 1 hour and 27 minutes. It's wise to book ahead to lock in your preferred seat.
What terminal does UA4340 fly out of?
Flight number UA4340 runs between IAH and Gulfport, MS Airport (GPT-Gulfport - Biloxi Intl.), and passengers booked on this flight generally board the plane from Terminal B.
What kind of plane is on flight number UA4340?
The route for UA4340 is most commonly Houston Airport to Gulfport - Biloxi Intl. Airport, and the Embraer ERJ is the type of aircraft you'll probably be flying with.
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 UA4340 flight with Travelocity, please visit our Customer Service Portal.