United Flight UA278 Deals & Information (2025/2026)

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United Flight 278 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $147 and $59 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 28 - Tue, Dec 2
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$147 Roundtrip, found 1 hour ago
$147
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Nov 28 from Logan Intl. to Washington Dulles Intl., returning Tue, Dec 2, priced at $147 found 1 hour ago
Tue, Nov 18 - Sat, Nov 22
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$150 Roundtrip, found 13 hours ago
$150
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sat, Nov 22, priced at $150 found 13 hours ago
Tue, Nov 18 - Sun, Nov 23
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sun, Nov 23, priced at $158 found 1 day ago
Tue, Nov 18 - Sun, Nov 23
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sun, Nov 23, priced at $159 found 1 day ago
Wed, Oct 15 - Tue, Oct 21
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$163 Roundtrip, found 4 days ago
$163
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 15 from Logan Intl. to Washington Dulles Intl., returning Tue, Oct 21, priced at $163 found 4 days ago
Tue, Nov 18 - Sat, Nov 22
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$164 Roundtrip, found 13 hours ago
$164
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sat, Nov 22, priced at $164 found 13 hours ago
Sun, Oct 26 - Sun, Nov 2
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$166 Roundtrip, found 18 hours ago
$166
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Oct 26 from Logan Intl. to Washington Dulles Intl., returning Sun, Nov 2, priced at $166 found 18 hours ago
Sun, Oct 5 - Tue, Oct 7
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$169 Roundtrip, found 5 days ago
$169
Roundtrip
found 5 days ago
Select United flight, departing Sun, Oct 5 from Logan Intl. to Washington Dulles Intl., returning Tue, Oct 7, priced at $169 found 5 days ago
Tue, Nov 18 - Sun, Nov 23
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sun, Nov 23, priced at $173 found 1 day ago
Tue, Nov 18 - Sun, Nov 23
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 18 from Logan Intl. to Washington Dulles Intl., returning Sun, Nov 23, priced at $174 found 1 day ago

Frequently asked questions

What route does flight number UA278 take?
UA278 flies direct from LAX to Austin–Bergstrom International Airport in 2 hours and 48 minutes. It can sometimes be used on other routes though, some of which could be multi-stop flights. Keep this in mind when locking in your seat to avoid any confusion.
What terminal does UA278 fly out of?
UA278 flights from LAX typically head off from Terminal 7. This flight number runs on several different routes, but the most frequented is LAX to Austin–Bergstrom International Airport.
What kind of plane is on flight number UA278?
If you're considering booking flight UA278 from Los Angeles, CA Airport (LAX-Los Angeles Intl.) to AUS, there's an excellent chance you'll be on board an Airbus A319. This flight number serves several routes, but this is the most popular.
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 UA278 flight with Travelocity, please visit our Customer Service Portal.