United Flight 4340 Deals & Information (2025/2026)

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United Flight 4340 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $209 and $227 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Tue, Jul 29
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jul 22 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jul 29, priced at $209 found 3 hours ago
Thu, Jul 17 - Wed, Jul 23
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$213 Roundtrip, found 19 hours ago
$213
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Jul 17 from Huntsville Intl. to Washington Dulles Intl., returning Wed, Jul 23, priced at $213 found 19 hours ago
Tue, Jul 22 - Tue, Jul 29
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$219 Roundtrip, found 3 hours ago
$219
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jul 22 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jul 29, priced at $219 found 3 hours ago
Sat, May 31 - Sat, Jun 7
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 31 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 7, priced at $222 found 2 days ago
Sat, Jun 7 - Sat, Jun 21
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$230 Roundtrip, found 23 hours ago
$230
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Jun 7 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 21, priced at $230 found 23 hours ago
Sat, May 31 - Sat, Jun 7
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 31 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 7, priced at $232 found 2 days ago
Sat, Jun 7 - Sat, Jun 21
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$239 Roundtrip, found 23 hours ago
$239
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Jun 7 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 21, priced at $239 found 23 hours ago
Sat, May 31 - Sat, Jun 7
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 31 from Huntsville Intl. to Washington Dulles Intl., returning Sat, Jun 7, priced at $242 found 2 days ago
Mon, Sep 1 - Sun, Sep 7
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$246 Roundtrip, found 4 hours ago
$246
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Sep 1 from Huntsville Intl. to Washington Dulles Intl., returning Sun, Sep 7, priced at $246 found 4 hours ago
Tue, Jul 22 - Tue, Jul 29
HSV
Huntsville Intl.
IAD
Washington Dulles Intl.
$249 Roundtrip, found 3 hours ago
$249
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jul 22 from Huntsville Intl. to Washington Dulles Intl., returning Tue, Jul 29, priced at $249 found 3 hours 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.