First Class Flights to London | $401

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Cheap First Class Flight Deals to London

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Recent first class round-trip flight deals to London

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7:30 am - 7:00 pm

BOS

LHR

6h 30mnonstop

7:10 pm - 9:55 pm

LHR

BOS

7h 45mnonstop

$4,083British Airways

Sat, Jan 10 - Sat, Jan 17

7:30 am - 7:00 pm

BOS

LHR

6h 30mnonstop

11:40 am - 2:20 pm

LHR

BOS

7h 40mnonstop

$4,084British Airways

Thu, Jan 8 - Thu, Jan 15

10:25 pm - 10:50 am

IAD

LHR

7h 25mnonstop

5:05 pm - 8:20 pm

LHR

IAD

8h 15mnonstop

$4,156British Airways

Mon, Mar 30 - Fri, Apr 3

7:30 am - 7:00 pm

BOS

LHR

6h 30mnonstop

11:40 am - 3:20 pm

LHR

BOS

7h 40mnonstop

$4,260British Airways

Tue, Feb 17 - Tue, Mar 10

6:25 pm - 6:20 am

JFK

LHR

6h 55mnonstop

4:25 pm - 7:35 pm

LHR

JFK

8h 10mnonstop

$4,330British Airways

Tue, Feb 10 - Thu, Feb 19

6:35 pm - 6:30 am

EWR

LHR

6h 55mnonstop

10:40 am - 2:50 pm

LHR

EWR

8h 10mnonstop

$4,353British Airways

Tue, Mar 3 - Tue, Mar 10

3:35 pm - 6:45 am

BOS

LHR

10h 10m1 stop

11:40 am - 2:20 pm

LHR

BOS

7h 40mnonstop

$4,410American Airlines

Sat, Jan 10 - Sat, Jan 17

6:00 am - 8:00 pm

BOS

LHR

9h 00m1 stop

11:20 am - 7:33 pm

LHR

BOS

13h 13m1 stop

$4,420American Airlines

Thu, Jan 8 - Thu, Jan 15

6:30 pm - 6:25 am

EWR

LHR

6h 55mnonstop

10:40 am - 1:50 pm

LHR

EWR

8h 10mnonstop

$4,592American Airlines

Mon, Dec 29 - Wed, Jan 7

6:00 pm - 12:30 pm

LAX

LHR

10h 30mnonstop

9:25 am - 5:39 pm

LHR

LAX

16h 14m1 stop

$6,929Multiple Airlines

Thu, Dec 25 - Tue, Dec 30

First Class Flights to London - Travel Insights & Trends

Get data-powered insights and trends for First Class flights to London to help you craft the best travel plan

What cabin class options are available on United States to London flights?

There are 4 cabin classes available to choose from on United States to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to London flights?

No. A direct flight is the cheapest option for a flight between United States to London.

What is the cheapest airline that flies First Class from United States to London?

British Airways, Finnair, and Malaysia Airlines are popular carriers operating the cheapest First Class flights from United States to London

What is the cheapest month to fly First Class to London?

In general, November is the cheapest month to fly First Class from United States to London. Due to it being the ‘off-season’ during this time, you can expect First Class flight prices to be around $4,159. If you aren’t able to travel during the month of November, then book First Class flights to London from United States during April instead. First Class flights to London in April, while not as cheap as those in November, still average around $4,256.

What is the cheapest day to depart on your First Class flight to London?

The cheapest day to depart from United States to London is on a Tuesday when prices can be found for as low as $3,810. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average First Class ticket price to London on a Sunday is $4,413.

How long does it take to fly to London?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

How many flights depart from United States to London on average per day?

240 flights are operational daily from United States to London as of December 2025. The most popular departure time for this route is 7:00PM, with 68% of flights per day taking off in the evening.

How many flights depart from United States to London on average per week?

1,681 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

What is the cheapest First Class flight I can find to London?

On average, round trip First Class flights to London cost $6,461/pp. Prices depend on where you are departing from. For prices as low as $3,918/pp, depart from New York. The most expensive round trip First Class flights to London are from New York.

See prices from:

What airlines fly First Class to London?

British Airways is the most popular airline offering First Class flights to London, with 68% of our users opting to fly with them when traveling to London. Other popular options include American Airlines and Alaska Airlines. There are a total of 4 different airlines flying to London.

Popular Airlines for First Class Flights to London

Book reliable First Class tickets to London from top-rated airlines

Airline	Rating	First Class	Price
Finnair	PriceFrom $401	First Class	Rating 7.6	7.6 Boarding 7.4 Comfort 8.1 Crew 6.9 Entertainment 6.7 Food Reviews 1 / 10 Surprised there weren’t special meals or activities for kids but they were on strike as well so that may have been why.	Search Finnair flights
Aer Lingus	PriceFrom $408	First Class	Rating 7.2	7.4 Boarding 7.1 Comfort 8.0 Crew 7.0 Entertainment 6.6 Food Reviews 1 / 10 The app was terrible, tried to check-in the night before, called Aer Lingus, waited for 37 minutes to talk with someone who just told me don’t worry about it! But for there, everything else at checkin and flight were too notch, except seats were super comfortable!	Search Aer Lingus flights

About First Class Flights to London

Helpful overview information on London First Class ticket prices, flight duration, and airlines

Fastest flight time	6h 30m
Closest Airport	Boston Logan Intl
Most Popular Airline	Finnair

The quickest First Class flight you can catch to London takes 6h 30m, which departs from Boston Logan Intl to London Heathrow.

The nearest airport for all arrivals to London is Boston Logan Intl. First Class flyers can expect to travel 3253.8 mi to get to downtown.

The most popular airline for First Class flights to London found on momondo this week is Finnair, with a user rating of 7.6/10. There are 2 airlines in total servicing this route with First Class options.

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Frequently asked questions about London First Class flights

Is it worth flying First Class to London?

Many travelers choose flying First Class to London for plenty of reasons. From comfortable seats and exclusive services to additional entertainment and dining options, First Class cabins can offer a lot to both the regular traveler and the frequent flyers. Perks and amenities vary by airlines, please refer to the airline’s website for full information.

How long does it take to fly to London?

While the flight duration may vary for First Class travelers depending on the departure and arrival airports, here are some average flight times from popular locations you might be interested in:

Krakow to London: 2 hours 34 minutes

Why should I use momondo to find a First Class flight deal to London?

It is quick and easy to find First Class flights to London on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient First Class flight to London that suits you.

Can I find First Class flights to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight First Class flights to London with this policy.

How can momondo help me find deals for First Class flight tickets to London?

momondo helps you find the best First Class flight ticket to London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a First Class flight to London right now. Can momondo alert me if prices change?

Price alerts on First Class flights to London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

When did momondo last update prices for flights from United States to London?

Prices for flights from United States to London are updated daily.

How many operators does momondo search for flights from United States to London?

As of December 2025, there are 21 operators available to choose from for flights from United States to London.

How old do you have to be to fly from United States to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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First Class Flights to London in 2025

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Cheap First Class Flight Deals to London

Recent first class round-trip flight deals to London

Recent first class one-way flight deals to London

Quickest first class round-trip flight deals to London

Quickest first class one-way flight deals to London

Best first class round-trip flight deals to London

Best first class one-way flight deals to London

First Class Flights to London - Travel Insights & Trends

Get data-powered insights and trends for First Class flights to London to help you craft the best travel plan

What cabin class options are available on United States to London flights?

There are 4 cabin classes available to choose from on United States to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to London flights?

No. A direct flight is the cheapest option for a flight between United States to London.

What is the cheapest airline that flies First Class from United States to London?

British Airways, Finnair, and Malaysia Airlines are popular carriers operating the cheapest First Class flights from United States to London

What is the cheapest month to fly First Class to London?

What is the cheapest day to depart on your First Class flight to London?

How long does it take to fly to London?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

How many flights depart from United States to London on average per day?

240 flights are operational daily from United States to London as of December 2025. The most popular departure time for this route is 7:00PM, with 68% of flights per day taking off in the evening.

How many flights depart from United States to London on average per week?

1,681 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

What is the cheapest First Class flight I can find to London?

On average, round trip First Class flights to London cost $6,461/pp. Prices depend on where you are departing from. For prices as low as $3,918/pp, depart from New York. The most expensive round trip First Class flights to London are from New York.

See prices from:

What airlines fly First Class to London?

British Airways is the most popular airline offering First Class flights to London, with 68% of our users opting to fly with them when traveling to London. Other popular options include American Airlines and Alaska Airlines. There are a total of 4 different airlines flying to London.

Popular Airlines for First Class Flights to London

Book reliable First Class tickets to London from top-rated airlines

About First Class Flights to London

Helpful overview information on London First Class ticket prices, flight duration, and airlines

Fastest flight time

Closest Airport

Most Popular Airline

Frequently asked questions about London First Class flights

Is it worth flying First Class to London?

How long does it take to fly to London?

Why should I use momondo to find a First Class flight deal to London?

Can I find First Class flights to London with flexible booking policies on momondo?

How can momondo help me find deals for First Class flight tickets to London?

I’m not ready to book a First Class flight to London right now. Can momondo alert me if prices change?

When did momondo last update prices for flights from United States to London?

How many operators does momondo search for flights from United States to London?

How old do you have to be to fly from United States to London?

What documentation or ID do you need to fly to London?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Airports near London

Airports listed have a maximum distance of 24.0 mi from London