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$399+ Cheap flights from Monterey (MRY) 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
MRY — LHR
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Monterey to Heathrow

Cheapest flights from Monterey to Heathrow
Explore the most affordable flight options available from Monterey to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
MRY
-
LHR
2 stops16h 25m
United Airlines
Wed 3/116:30 am
LHR
-
MRY
2 stops18h 30m
United Airlines
Deal found 2/4$636
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 3/55:00 am
MRY
-
LHR
1 stop20h 40m
United Airlines
Mon 3/911:10 am
LHR
-
MRY
2 stops37h 51m
United Airlines
Deal found 2/2$649
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:02 pm
MRY
-
LHR
2 stops15h 48m
Multiple Airlines
Wed 4/158:25 pm
LHR
-
MRY
2 stops34h 14m
Multiple Airlines
Deal found 2/2$656
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 9/85:50 am
MRY
-
LHR
2 stops20h 20m
United Airlines
Wed 9/167:30 am
LHR
-
MRY
2 stops22h 05m
United Airlines
Deal found 2/3$661
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 4/812:02 pm
MRY
-
LHR
1 stop15h 08m
United Airlines
Wed 4/155:40 pm
LHR
-
MRY
2 stops35h 27m
United Airlines
Deal found 2/2$665
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:02 pm
MRY
-
LHR
2 stops18h 38m
Lufthansa
Wed 4/157:30 pm
LHR
-
MRY
2 stops35h 09m
Lufthansa
Deal found 2/4$666

Find flight deals from Monterey to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Monterey (MRY) 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$649
(United Airlines)

One-way from

$399
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$660
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
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From Monterey Regional to London Heathrow
Search Deals
One-way flight from Monterey Regional to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monterey 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 February 4, 2026.
Use the filters below to find and compare flights from Monterey to London Heathrow Airport that are best for you.

Fly from

Monterey

Fly to

Heathrow

Route

Depart

Return

Price

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Wed 3/4

2:01 pm-1:30 pm

1 stop15h 29m

London Heathrow

Wed 3/11

6:30 am-6:00 pm

2 stops18h 30m

$636

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Thu 3/5

5:00 am-9:40 am

1 stop20h 40m

London Heathrow

Mon 3/9

6:00 pm-6:01 pm

2 stops31h 01m

$649

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Wed 4/8

12:02 pm-11:50 am

2 stops15h 48m

London Heathrow

Wed 4/15

8:25 pm-10:39 pm

2 stops34h 14m

$656

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Wed 4/8

8:05 am-7:25 am

1 stop15h 20m

London Heathrow

Wed 4/15

5:40 pm-6:00 pm

2 stops32h 20m

$663

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Thu 3/5

5:00 am-9:40 am

1 stop20h 40m

$399

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Wed 5/27

7:19 pm-8:20 pm

2 stops17h 01m

$1,453

MontereyLondon

MRY - LHR

MRYLHR

Monterey Regional

Wed 5/27

7:03 am-11:50 am

3 stops20h 47m

$3,316

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Best time to book a flight from Monterey to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Monterey with our price prediction graph.
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 Monterey to London Heathrow Airport

What is the cheapest month to book a flight from Monterey to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Monterey to London Heathrow Airport (average of $497). Flying from Monterey to London Heathrow Airport in June is currently the most expensive (average of $801). 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.

Related info for your journey

Find useful and relevant information for your journey from Monterey to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Monterey to London Heathrow?

    Monterey Regional (MRY) is the airport you will fly out of if you book a flight from Monterey to London Heathrow. You should not have trouble finding flights to London Heathrow from Monterey Regional; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Monterey airport to London Heathrow. It is only a 3.2 mi journey to Monterey Regional (MRY) from Monterey’s city center.

  • How long is the flight from Monterey to London Heathrow Airport?

    For as low as $636, United Airlines can have you in London Heathrow Airport from Monterey in 15h 29m. The distance between Monterey and London Heathrow Airport is about 5394 mi.

  • Can I find deals for flights from Monterey to Heathrow that include hotel bookings?

    Yes. In addition to deals on Monterey to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Monterey to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Monterey to Heathrow.

  • Can I find deals for business class flights from Monterey to Heathrow?

    Yes. Cheapflights offers flight deals from Monterey to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Monterey to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Monterey to London Heathrow Airport (average of $497). Flying from Monterey to London Heathrow Airport in June is currently the most expensive (average of $801). 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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