United Flight 4304 Deals & Information (2026/2027)

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United Flight 4304 Route Deals From $141

The cheapest prices found with in the last 7 days for return flights were $254 and $141 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 12 - Tue, May 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$254 Roundtrip, found 22 hours ago
$254
Roundtrip
found 22 hours ago
Select United flight, departing Tue, May 12 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, May 19, priced at $254 found 22 hours ago
Wed, Jun 3 - Sat, Jun 13
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 3 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jun 13, priced at $259 found 5 days ago
Thu, May 28 - Sun, May 31
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, May 31, priced at $260 found 6 days ago
Wed, Jun 3 - Sat, Jun 13
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 3 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jun 13, priced at $263 found 5 days ago
Tue, May 12 - Tue, May 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$268 Roundtrip, found 22 hours ago
$268
Roundtrip
found 22 hours ago
Select United flight, departing Tue, May 12 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, May 19, priced at $268 found 22 hours ago
Wed, Aug 12 - Wed, Aug 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 12 from Washington Dulles Intl. to Portland Intl. Jetport, returning Wed, Aug 19, priced at $269 found 3 hours ago
Wed, Jun 3 - Sat, Jun 13
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$274 Roundtrip, found 5 days ago
$274
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 3 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jun 13, priced at $274 found 5 days ago
Thu, May 28 - Sun, May 31
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, May 31, priced at $276 found 6 days ago
Tue, May 12 - Tue, May 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$278 Roundtrip, found 22 hours ago
$278
Roundtrip
found 22 hours ago
Select United flight, departing Tue, May 12 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, May 19, priced at $278 found 22 hours ago
Wed, Aug 12 - Wed, Aug 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$279 Roundtrip, found 3 hours ago
$279
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 12 from Washington Dulles Intl. to Portland Intl. Jetport, returning Wed, Aug 19, priced at $279 found 3 hours ago

Frequently asked questions

What route does flight number UA4304 take?
UA4304 serves multiple routes, but the most common is between George Bush Intercontinental Airport (IAH) and Amarillo, TX Airport (AMA-Rick Husband Amarillo Intl.). If your flight is direct, you'll land in approximately 1 hour and 50 minutes. Multi-stop flights can also use the same number, as can flights on other routes.
What terminal does UA4304 fly out of?
Terminal B is where you'll most likely take off from if you're booked on a flight leaving from Houston Airport. George Bush Intercontinental Airport (IAH) to Rick Husband Amarillo Intl. Airport (AMA) is the most commonly traveled route for flight number UA4304.
What kind of plane is on flight number UA4304?
UA4304 is a flight number that's used on several routes. If you have a ticket on the most frequent route, Houston, TX Airport (IAH-George Bush Intercontinental) to AMA, chances are you'll be cruising aboard the Embraer ERJ.
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 UA4304 flight with Travelocity, please visit our Customer Service Portal.