British Airways Flight VS274 Deals & Information (2025/2026)

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British Airways Flight 274 Route Deals From $438

The cheapest prices found with in the last 7 days for return flights were $686 and $438 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Mon, Sep 1
LAS
Harry Reid Intl.
LHR
Heathrow
$686 Roundtrip, found 6 hours ago
$686
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Aug 27 from Harry Reid Intl. to Heathrow, returning Mon, Sep 1, priced at $686 found 6 hours ago
Wed, Aug 27 - Mon, Sep 1
LAS
Harry Reid Intl.
LHR
Heathrow
$690 Roundtrip, found 6 hours ago
$690
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Aug 27 from Harry Reid Intl. to Heathrow, returning Mon, Sep 1, priced at $690 found 6 hours ago
Sat, Apr 11 - Tue, Apr 21
LAS
Harry Reid Intl.
LHR
Heathrow
$707 Roundtrip, just found
$707
Roundtrip
just found
Select British Airways flight, departing Sat, Apr 11 from Harry Reid Intl. to Heathrow, returning Tue, Apr 21, priced at $707 just found

Frequently asked questions

What route does flight number BA274 take?
BA274 jets between McCarran Intl. Airport (LAS) and LHR and is a direct flight. This service generally takes 10 hours and 15 minutes.
How often is BA274 on time?
People flying on British Airways flight number BA274 should be aware that 70% of these flights take off on schedule. If you encounter a delay, the typical wait time is approximately 36 minutes. This service has a 0.45-star rating.
What terminal does BA274 fly out of?
Flights between Las Vegas, NV Airport (LAS-McCarran Intl.) and London Airport (LHR-Heathrow) are served by BA274, and passengers who travel on this route usually take off from Terminal 3.
What kind of plane is on flight number BA274?
You’re likely to find yourself traveling aboard a Boeing 777 if you’re on flight number BA274. This flight almost always leaves from McCarran Intl. Airport (LAS) and touches down at London Airport (LHR-Heathrow).
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 BA274 flight with Travelocity, please visit our Customer Service Portal.