United Flight 731 Deals & Information (2025/2026)

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United Flight 731 Route Deals From $107

The cheapest prices found with in the last 7 days for return flights were $179 and $107 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 1 - Tue, Sep 2
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 1 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Sep 2, priced at $179 found 6 days ago
Thu, Sep 18 - Mon, Sep 22
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 18 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 22, priced at $187 found 6 days ago
Thu, Sep 18 - Mon, Sep 22
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 18 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 22, priced at $193 found 6 days ago
Mon, Sep 1 - Tue, Sep 2
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 1 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Sep 2, priced at $195 found 6 days ago
Thu, Sep 18 - Mon, Sep 22
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 18 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 22, priced at $203 found 6 days ago
Fri, Oct 17 - Wed, Oct 22
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 17 from Ronald Reagan Washington National to George Bush Intercontinental, returning Wed, Oct 22, priced at $204 found 6 days ago
Mon, Sep 1 - Tue, Sep 2
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$217 Roundtrip, found 6 days ago
$217
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 1 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Sep 2, priced at $217 found 6 days ago
Mon, Sep 8 - Wed, Sep 10
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from Ronald Reagan Washington National to George Bush Intercontinental, returning Wed, Sep 10, priced at $222 found 1 day ago
Thu, Sep 18 - Sat, Sep 20
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$231 Roundtrip, found 4 days ago
$231
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 18 from Ronald Reagan Washington National to George Bush Intercontinental, returning Sat, Sep 20, priced at $231 found 4 days ago
Sun, Nov 9 - Sun, Nov 16
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 9 from Ronald Reagan Washington National to George Bush Intercontinental, returning Sun, Nov 16, priced at $231 found 6 days ago

Frequently asked questions

What route does flight number UA731 take?
UA731 is used on a range of routes. Typically, UA731 flies directly from San Francisco, CA Airport (SFO-San Francisco Intl.) to Santa Barbara Airport. If that's your flight path, you'll be flying for about 1 hour and 12 minutes.
What terminal does UA731 fly out of?
If you're heading off from San Francisco, CA Airport (SFO-San Francisco Intl.), there's every chance you'll board the plane from Terminal 3. The most traveled route for flight number UA731 is SFO to Santa Barbara, CA Airport (SBA-Santa Barbara Municipal), which is a direct flight.
What kind of plane is on flight number UA731?
It's likely you'll be cruising aboard an Airbus A319 if you're booked on flight UA731 from SFO to Santa Barbara, CA Airport (SBA-Santa Barbara Municipal). It's the most commonly used type of plane on this busy route.
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 UA731 flight with Travelocity, please visit our Customer Service Portal.