United Flight 4340 Deals & Information (2026/2027)

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United Flight 4340 Route Deals From $259

The cheapest prices found with in the last 7 days for return flights were $269 and $259 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 15 - Mon, Oct 19
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 15 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Oct 19, priced at $269 found 3 days ago
Tue, Jul 7 - Wed, Jul 15
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$275 Roundtrip, found 6 days ago
$275
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 7 from Huntsville Intl. to Washington Dulles Intl., returning Wed, Jul 15, priced at $275 found 6 days ago
Wed, Jul 1 - Mon, Jul 6
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 1 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Jul 6, priced at $292 found 4 days ago
Sat, Jun 20 - Sat, Jun 27
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 20 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 27, priced at $306 found 1 day ago
Thu, Oct 15 - Mon, Oct 19
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 15 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Oct 19, priced at $312 found 3 days ago
Sat, Jun 20 - Sat, Jun 27
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 20 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 27, priced at $322 found 1 day ago
Thu, Jun 25 - Sun, Jun 28
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$348 Roundtrip, found 6 hours ago
$348
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jun 25 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Jun 28, priced at $348 found 6 hours ago
Thu, Oct 15 - Mon, Oct 19
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$349 Roundtrip, found 3 days ago
$349
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 15 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Oct 19, priced at $349 found 3 days ago
Wed, Jul 1 - Sun, Jul 5
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Jul 5, priced at $354 found 3 days ago
Thu, Jun 25 - Mon, Jun 29
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$355 Roundtrip, found 3 days ago
$355
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 25 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Jun 29, priced at $355 found 3 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.