First Class Flights to London in 2025
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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?
Finnair, British Airways, and American 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, March 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 $3,393. If you aren’t able to travel during the month of March, then book First Class flights to London from United States during August instead. First Class flights to London in August, while not as cheap as those in March, still average around $3,720.
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 Wednesday when prices can be found for as low as $2,880. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average First Class ticket price to London on a Saturday is $4,243.
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $6,670 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from United States for as low as $4,778 on momondo.
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 25m and 6h 50m, respectively.
How many flights depart from United States to London on average per day?
308 flights are operational daily from United States to London as of July 2025. The most popular departure time for this route is 7:00PM, with 69% of flights per day taking off in the evening.
How many flights depart from United States to London on average per week?
2,156 flights are operational weekly from United States to London as of July 2025. The most popular departure day for this route is Wed, with 17% 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 $5,765/pp. Prices depend on where you are departing from. For prices as low as $2,040/pp, depart from Boston. The most expensive round trip First Class flights to London are from Los Angeles.
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What airlines fly First Class to London?
British Airways is the most popular airline offering First Class flights to London, with 69% 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
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About First Class Flights to London
Helpful overview information on London First Class ticket prices, flight duration, and airlines
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 33 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 July 2025, there are 23 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.