United Flight 731 Deals & Information (2025/2026)

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United Flight 731 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $213 and $105 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 26 - Thu, Aug 28
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$213 Roundtrip, found 8 hours ago
$213
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 26 from Ronald Reagan Washington National to George Bush Intercontinental, returning Thu, Aug 28, priced at $213 found 8 hours ago
Mon, Sep 8 - Wed, Sep 10
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days 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 2 days ago
Thu, Sep 18 - Sat, Sep 20
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$231 Roundtrip, found 5 days ago
$231
Roundtrip
found 5 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 5 days ago
Fri, Oct 3 - Tue, Oct 7
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$243 Roundtrip, found 21 hours ago
$243
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Oct 3 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Oct 7, priced at $243 found 21 hours ago
Thu, Aug 21 - Tue, Sep 23
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 21 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Sep 23, priced at $244 found 5 days ago
Sat, Sep 13 - Mon, Sep 15
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$246 Roundtrip, found 16 hours ago
$246
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Sep 13 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 15, priced at $246 found 16 hours ago
Thu, Sep 25 - Mon, Sep 29
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 25 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 29, priced at $246 found 1 day ago
Thu, Sep 25 - Mon, Sep 29
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 25 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 29, priced at $248 found 1 day ago
Thu, Oct 9 - Mon, Oct 20
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 9 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Oct 20, priced at $249 found 1 day ago
Wed, Sep 10 - Sun, Sep 14
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 10 from Ronald Reagan Washington National to George Bush Intercontinental, returning Sun, Sep 14, priced at $252 found 1 day ago
Fri, Oct 3 - Tue, Oct 7
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$253 Roundtrip, found 21 hours ago
$253
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Oct 3 from Ronald Reagan Washington National to George Bush Intercontinental, returning Tue, Oct 7, priced at $253 found 21 hours ago
Tue, Aug 26 - Thu, Aug 28
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$254 Roundtrip, found 8 hours ago
$254
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 26 from Ronald Reagan Washington National to George Bush Intercontinental, returning Thu, Aug 28, priced at $254 found 8 hours ago
Thu, Sep 25 - Mon, Sep 29
DCA
Ronald Reagan Washington National
IAH
George Bush Intercontinental
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 25 from Ronald Reagan Washington National to George Bush Intercontinental, returning Mon, Sep 29, priced at $256 found 1 day 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.