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United Kingdom

Cheap First Class flights to the United Kingdom

LAX — LHR
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, First
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Cheap first class flights to the United Kingdom in 2026

Find the latest flights to the United Kingdom in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data were last updated on June 10, 2026.

Average Price

$6,735

Cheapest Price

$4,088

Top Rated Airline

American Airlines

No. of Airlines

7
Average for round-trip first class flights in June 2026
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The lowest price for a first class flight ticket to the United Kingdom
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Most popular airline to fly first class with to the United Kingdom in the past 7 days
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Airlines that offer first class options for this route
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Find first class flight deals to the United Kingdom

Cheapest first class flights to United Kingdom
Explore the most affordable first class flight options available to United Kingdom. Find the lowest fares based on data from user searches, with prices last updated on June 10, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Tue 7/217:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Tue 7/285:35 pm
LHR
-
BOS
Nonstop7h 30m
British Airways
Deal found 6/7$3,812
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 8/277:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Wed 9/98:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
Deal found 6/10$4,055
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Thu 10/158:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
Deal found 6/8$4,470
This British Airways deal was found by Cheapflights users on 6/9. 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.
Thu 7/97:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Wed 7/295:35 pm
LHR
-
BOS
Nonstop7h 30m
British Airways
Deal found 6/9$4,894
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:50 pm
BOS
-
LHR
Nonstop6h 45m
British Airways
Fri 10/98:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
Deal found 6/8$4,974
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Sun 11/299:35 pm
BOS
-
LHR
Nonstop6h 40m
British Airways
Sun 12/137:10 pm
LHR
-
BOS
Nonstop7h 45m
British Airways
Deal found 6/7$5,236

Travel insights for first class flights from USA to United Kingdom

Get recent, data-driven insights about first class flights from USA to United Kingdom including ideal travel times, pricing trends, and more.

Which month is the cheapest to fly First Class from the United States to the United Kingdom?

For First Class flights the cheapest month to fly the route is December. The most expensive months are June and September.

What airlines can I book First Class flights to United Kingdom with?

Here are popular airlines that offers First Class flight tickets to United Kingdom: Finnair and British Airways. Review airlines’ policies before you book!

Finnair
Finnair
From $2,959
British Airways
British Airways
From $4,017

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Top first class airline flying to the United Kingdom

Explore the top four first class airlines operating flights to the United Kingdom. Find out more about these airlines and their offerings, including amenities, in-flight services, and customer reviews. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on June 10, 2026.
AirlineRatingFirst ClassPrice
FinnairPriceFrom $454First ClassRating
7.7
See reviews
7.7

Boarding

7.4

Comfort

8.2

Crew

6.9

Entertainment

6.7

Food

Reviews

1 / 10
Positive

Frequently asked questions about United Kingdom first class tickets

Find answers to common questions related to First Class tickets for flights to the United Kingdom. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on June 10, 2026.

  • What is the cheapest price for a First Class ticket to United Kingdom?

    According to recent data, a user was able to book a First Class flight from Boston Logan Intl Airport to United Kingdom for just $4,088. Secure the cheapest First Class flight tickets to United Kingdom now - prices start at $6,735/person!

  • How much do Business Class flight tickets to United Kingdom cost?

    Want comfortable seats without paying First Class prices? For around $3,322/ticket, you can experience comfort and some premium flight services with a Business Class flight to United Kingdom. Not to mention, Business Class cabin tickets are often 51% cheaper than First Class - in case you need more motivation.

  • How many premium cabins does British Airways have for flights to United Kingdom?

    British Airways currently offers a couple premium cabin classes on flights to United Kingdom: Prem Economy Class, Business Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What airlines can I book First Class flights to United Kingdom with?

    Here are popular airlines that offers First Class flight tickets to United Kingdom: Finnair and British Airways. Review airlines’ policies before you book!

  • What is the cheapest month to book a First Class flight from USA to United Kingdom?

    Currently, December is the cheapest month in which you can book a First Class flight from USA to United Kingdom (average of $4,960). Flying from USA to United Kingdom in June is currently the most expensive (average of $6,738). 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

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