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 $209 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, Jun 25 - Tue, Jun 30
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jun 25 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jun 30, priced at $209 found 2 days ago
Fri, May 1 - Sun, May 3
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$211 Roundtrip, found 3 days ago
$211
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 3, priced at $211 found 3 days ago
Sat, Apr 25 - Tue, Apr 28
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 25 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Apr 28, priced at $214 found 2 days ago
Fri, May 8 - Sun, May 10
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 8 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 10, priced at $222 found 6 days ago
Sat, Jun 13 - Sat, Jun 20
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jun 13 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 20, priced at $228 found 5 days ago
Wed, Oct 28 - Wed, Nov 4
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 28 from Huntsville Intl. to Washington Dulles Intl., returning Wed, Nov 4, priced at $248 found 3 days ago
Fri, May 1 - Sun, May 3
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 3, priced at $250 found 3 days ago
Thu, Jun 25 - Tue, Jun 30
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jun 25 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jun 30, priced at $279 found 2 days ago
Fri, May 1 - Sun, May 3
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 3, priced at $282 found 3 days ago
Fri, May 1 - Sun, May 3
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, May 3, priced at $292 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.