United Flight 4340 Deals & Information (2026/2027)

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United Flight 4340 Route Deals From $228

The cheapest prices found with in the last 7 days for return flights were $209 and $228 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 29 - Sun, May 31
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 31, priced at $209 found 2 days ago
Fri, May 29 - Sun, May 31
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 31, priced at $219 found 2 days ago
Sat, May 9 - Sat, May 16
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 9 from Huntsville Intl. to Washington Dulles Intl., returning Sat, May 16, priced at $228 found 2 days ago
Fri, May 29 - Sun, May 31
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 31, priced at $245 found 2 days ago
Fri, May 29 - Mon, Jun 1
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Jun 1, priced at $251 found 2 days ago
Sat, Jun 13 - Sat, Jun 20
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jun 13 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 20, priced at $268 found 2 days ago
Fri, May 29 - Mon, Jun 1
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Jun 1, priced at $286 found 2 days ago
Thu, Apr 9 - Mon, Apr 13
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$289 Roundtrip, found 9 hours ago
$289
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Apr 9 from Huntsville Intl. to Washington Dulles Intl., returning Mon, Apr 13, priced at $289 found 9 hours ago
Sat, May 9 - Sat, May 16
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 9 from Huntsville Intl. to Washington Dulles Intl., returning Sat, May 16, priced at $299 found 2 days ago
Sun, Mar 15 - Sun, Mar 22
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select United flight, departing Sun, Mar 15 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Mar 22, priced at $308 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.