$393+ Cheap flights from Las Vegas (LAS) to Heathrow (LHR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London Heathrow are usually found in February or August, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Las Vegas to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Las Vegas to HeathrowExplore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 pm
LAS
- LHR
1 stop14h 30m
SWISS
Wed 9/168:40 am
LHR
- LAS
1 stop15h 10m
SWISS
Deal found 5/6![SWISS logo]()
$858
This FlightHub deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:05 am
LAS
- LHR
2 stops18h 30m
Scandinavian Airlines
Mon 8/2410:20 am
LHR
- LAS
2 stops20h 29m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$860
This Cheapflightsfares deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 pm
LAS
- LHR
1 stop14h 30m
Multiple Airlines
Wed 9/99:30 am
LHR
- LAS
1 stop14h 50m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$868
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:59 am
LAS
- LHR
2 stops22h 41m
Scandinavian Airlines
Tue 9/2910:20 am
LHR
- LAS
2 stops19h 36m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$876
Best flights from Las Vegas to HeathrowDiscover carefully curated flight deals from Las Vegas to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Las Vegas to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:05 pm
LAS
- LHR
3 stops24h 15m
Scandinavian Airlines
Fri 11/136:40 am
LHR
- LAS
2 stops25h 15m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:05 am
LAS
- LHR
1 stop16h 10m
Delta
Wed 9/169:55 am
LHR
- LAS
1 stop16h 40m
Delta
Deal found 5/4![Delta logo]()
$906
This KLM deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:35 pm
LAS
- LHR
Nonstop9h 55m
KLM
Wed 9/95:25 pm
LHR
- LAS
Nonstop10h 45m
KLM
Deal found 5/7![KLM logo]()
$931
This British Airways deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:10 pm
LAS
- LHR
Nonstop9h 55m
British Airways
Fri 9/45:15 pm
LHR
- LAS
Nonstop10h 45m
British Airways
Deal found 5/9![British Airways logo]()
$931
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:38 pm
LAS
- LHR
1 stop14h 42m
United Airlines
Thu 9/174:15 pm
LHR
- LAS
1 stop16h 42m
United Airlines
Deal found 5/8![United Airlines logo]()
$946
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:45 pm
LAS
- LHR
Nonstop9h 55m
Delta
Fri 11/138:55 am
LHR
- LAS
1 stop14h 40m
Delta
Deal found 5/4![Delta logo]()
$959
This Scandinavian Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:05 am
LAS
- LHR
2 stops27h 25m
Scandinavian Airlines
Wed 9/97:05 am
LHR
- LAS
3 stops22h 51m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$1,056
This British Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:20 pm
LAS
- LHR
Nonstop9h 55m
British Airways
Sat 9/195:15 pm
LHR
- LAS
Nonstop10h 45m
British Airways
Deal found 5/8![British Airways logo]()
$1,069
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3112:12 am
LAS
- LHR
1 stop13h 13m
United Airlines
Sat 8/89:30 am
LHR
- LAS
1 stop17h 42m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,176
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:18 pm
LAS
- LHR
1 stop14h 02m
Delta
Mon 7/278:40 am
LHR
- LAS
1 stop17h 55m
Delta
Deal found 5/5![Delta logo]()
$1,087
This Scandinavian Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 am
LAS
- LHR
2 stops26h 35m
Scandinavian Airlines
Tue 9/87:05 am
LHR
- LAS
3 stops22h 51m
Scandinavian Airlines
Deal found 5/8![Scandinavian Airlines logo]()
$1,227
Last-minute flights from Las Vegas to HeathrowDiscover last-minute flight deals from Las Vegas to Heathrow. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Heathrow. Data last updated May 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:29 pm
LAS
- LHR
1 stop13h 16m
JetBlue
Mon 5/118:40 am
LHR
- LAS
1 stop21h 36m
JetBlue
Deal found 5/5![JetBlue logo]()
$1,057
This JetBlue deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:30 am
LAS
- LHR
1 stop19h 00m
JetBlue
Fri 5/228:40 am
LHR
- LAS
1 stop22h 43m
JetBlue
Deal found 5/6![JetBlue logo]()
$1,072
This Cheapflightsfares deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:52 pm
LAS
- LHR
1 stop20h 53m
JetBlue
Mon 5/118:15 am
LHR
- LAS
1 stop23h 34m
JetBlue
Deal found 5/7![JetBlue logo]()
$1,041
This Jetabroad deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:30 pm
LAS
- LHR
1 stop32h 00m
JetBlue
Fri 5/228:40 am
LHR
- LAS
1 stop35h 15m
JetBlue
Deal found 5/5![JetBlue logo]()
$1,042
This Travelocity deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:29 pm
LAS
- LHR
1 stop13h 16m
JetBlue
Mon 5/188:40 am
LHR
- LAS
1 stop33h 07m
JetBlue
Deal found 5/7![JetBlue logo]()
$1,054
This JetBlue deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:29 pm
LAS
- LHR
1 stop13h 16m
JetBlue
Tue 5/198:40 am
LHR
- LAS
1 stop18h 56m
JetBlue
Deal found 5/5![JetBlue logo]()
$1,047
This JetBlue deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:29 pm
LAS
- LHR
1 stop13h 16m
JetBlue
Wed 5/208:40 am
LHR
- LAS
1 stop18h 56m
JetBlue
Deal found 5/5![JetBlue logo]()
$1,082
This Justfly.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:30 pm
LAS
- LHR
1 stop32h 00m
JetBlue
Tue 6/98:40 am
LHR
- LAS
1 stop19h 21m
JetBlue
Deal found 5/8![JetBlue logo]()
$1,085
This Mytrip deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:20 pm
LAS
- LHR
3 stops33h 15m
Multiple Airlines
Thu 6/112:10 pm
LHR
- LAS
1 stop16h 07m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,068
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1311:25 pm
LAS
- LHR
2 stops23h 05m
Multiple Airlines
Sat 6/209:30 am
LHR
- LAS
3 stops35h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,080
One-way flights from Las Vegas to HeathrowSearch for one-way flight options from Las Vegas to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Las Vegas to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:43 pm
LAS
- LHR
2 stops35h 22m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:59 am
LAS
- LHR
3 stops26h 56m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am
LAS
- LHR
3 stops41h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$417
This Super.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:59 pm
LAS
- LHR
1 stop12h 46m
JetBlue
Deal found 5/8![JetBlue logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:45 am
LAS
- LHR
3 stops24h 40m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$428
This Cheapflightsfares deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:59 pm
LAS
- LHR
1 stop12h 46m
JetBlue
Deal found 5/9![JetBlue logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:57 pm
LAS
- LHR
2 stops42h 08m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am
LAS
- LHR
3 stops27h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$433
Find flight deals from Las Vegas to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $858 (Cheapflightsfares) |
One-way from | $393 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,198 |
Good round-trip deal | $1,190 or less |
Good one-way deal | $624 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Las Vegas to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Thu 11/5
1:05 pm-9:20 pm
3 stops24h 15m
London Heathrow
Fri 11/13
6:40 am-11:55 pm
2 stops25h 15m
$886
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Wed 9/9
7:05 am-7:15 am
1 stop16h 10m
London Heathrow
Wed 9/16
9:55 am-6:35 pm
1 stop16h 40m
$906
Quickest round-trip
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Wed 9/2
11:35 pm-5:30 pm
Nonstop9h 55m
London Heathrow
Wed 9/9
5:25 pm-8:10 pm
Nonstop10h 45m
$931
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Mon 7/27
10:10 pm-4:05 pm
Nonstop9h 55m
London Heathrow
Fri 9/4
5:15 pm-8:00 pm
Nonstop10h 45m
$931
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Sat 9/5
10:38 pm-9:20 pm
1 stop14h 42m
London Heathrow
Thu 9/17
4:15 pm-12:57 am
1 stop16h 42m
$946
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Thu 11/5
8:45 pm-2:40 pm
Nonstop9h 55m
London Heathrow
Fri 11/13
8:55 am-3:35 pm
1 stop14h 40m
$959
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Wed 9/2
7:05 am-6:30 pm
2 stops27h 25m
London Heathrow
Wed 9/9
7:05 am-9:56 pm
3 stops22h 51m
$1,056
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Thu 9/3
5:20 pm-11:15 am
Nonstop9h 55m
London Heathrow
Sat 9/19
5:15 pm-8:00 pm
Nonstop10h 45m
$1,069
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Wed 7/22
1:18 pm-11:20 am
1 stop14h 02m
London Heathrow
Mon 7/27
8:40 am-6:35 pm
1 stop17h 55m
$1,087
Las VegasLondon
LAS - LHR
LASLHR
Las Vegas Harry Reid Intl
Fri 7/31
12:12 am-9:25 pm
1 stop13h 13m
London Heathrow
Sat 8/8
9:30 am-7:12 pm
1 stop17h 42m
$1,176
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Las Vegas to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Heathrow in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Las Vegas to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Las Vegas with our price prediction graph.
LAS-LHR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to London Heathrow Airport
Prices
Airlines
How far ahead should I book a flight from Las Vegas to London Heathrow Airport?
The price you pay for your flight from Las Vegas to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Las Vegas to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $674). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,439). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LAS to LHR?
Find hourly flight availability from Las Vegas to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to London Heathrow Airport as you normally would.
The best insider tips for Las Vegas to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 9, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andJetBlue from Las Vegas to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
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Top 9 airlines flying from Las Vegas to Heathrow
Discover the top 9 airlines that operate flights from Las Vegas to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$562 | Average$867 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$564 | Average$896 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$575 | Average$989 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$580 | Average$1,100 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$581 | Average$736 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$947 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$638 | Average$1,037 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$685 | Average$1,028 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$728 | Average$919 | FlexibilityNo cancel fee | On-time77% |