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Delta Flights from St. Louis (STL) to London (LHR) from $629

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Amazing Delta STL to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $845 round trip and $629 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Oct 12 -
STL
St. Louis
to
LHR
London
$629

One way

found 9 hours ago

Open STL to LHR flights search result page
Fri, Oct 1 -
STL
St. Louis
to
LHR
London
$679

One way

found 9 hours ago

Open STL to LHR flights search result page
Tue, Aug 10 -
STL
St. Louis
to
LHR
London
$729

One way

found 9 hours ago

Open STL to LHR flights search result page
Sat, Aug 21 -
STL
St. Louis
to
LHR
London
$779

One way

found 16 hours ago

Open STL to LHR flights search result page
Mon, Apr 19 - Wed, Apr 28
STL
St. Louis
to
LHR
London
$845

Roundtrip

found 2 days ago

Open STL to LHR flights search result page
Tue, Oct 12 - Wed, Oct 20
STL
St. Louis
to
LHR
London
$865

Roundtrip

found 9 hours ago

Open STL to LHR flights search result page
Mon, Apr 19 - Wed, Apr 28
STL
St. Louis
to
LHR
London
$845

Roundtrip

found 2 days ago

Open STL to LHR flights search result page
Tue, Aug 10 -
STL
St. Louis
to
LHR
London
$729

One way

found 9 hours ago

Open STL to LHR flights search result page
Sat, Aug 21 -
STL
St. Louis
to
LHR
London
$779

One way

found 16 hours ago

Open STL to LHR flights search result page
Tue, Oct 12 -
STL
St. Louis
to
LHR
London
$629

One way

found 9 hours ago

Open STL to LHR flights search result page
Fri, Oct 1 -
STL
St. Louis
to
LHR
London
$679

One way

found 9 hours ago

Open STL to LHR flights search result page
Tue, Oct 12 - Wed, Oct 20
STL
St. Louis
to
LHR
London
$865

Roundtrip

found 9 hours ago

Open STL to LHR flights search result page

LHR From STL Economy Coach Packages on Similar Airlines

Save $347
STL
Lambert-St. Louis Intl.
to
LHR
Heathrow
American AirlinesEconomy
London Marriott Hotel Park Lane
5.0 out of 5.0

Fri, May 14 - Mon, May 17

Old price

$2,067

The price now is $1,720 per person
Flight + Hotel
London Marriott Hotel Park Lane
Save $265
STL
Lambert-St. Louis Intl.
to
LHR
Heathrow
American AirlinesEconomy
JW Marriott Grosvenor House London
5.0 out of 5.0

Fri, May 14 - Mon, May 17

Old price

$1,777

The price now is $1,511 per person
Flight + Hotel
JW Marriott Grosvenor House London
Save $221
STL
Lambert-St. Louis Intl.
to
LHR
Heathrow
American AirlinesEconomy
London Marriott Hotel Grosvenor Square
5.0 out of 5.0

Fri, May 14 - Mon, May 17

Old price

$1,628

The price now is $1,408 per person
Flight + Hotel
London Marriott Hotel Grosvenor Square

FAQs about Delta Air Lines Flights from STL to LHR

What terminal is Delta Air Lines at St. Louis Lambert International Airport?

Check your boarding pass to find out which St. Louis, MO (STL-Lambert-St. Louis Intl.) terminal you'll be taking off from on your way to London (LHR-Heathrow) with Delta Air Lines. If you can't spot the details on there, contact your airline.

Are there Delta Air Lines non-stop flights from STL to LHR?

As you can't travel nonstop from St. Louis, MO (STL-Lambert-St. Louis Intl.) to London (LHR-Heathrow) with Delta Air Lines, make the most of your layover. Treat yourself to a few drinks at a welcoming airport bar, or stroll about the terminal and indulge in some retail therapy.

How long is a Delta Air Lines flight from STL to LHR?

Your Delta Air Lines flight from STL to LHR will take an average of 10 hours and 5 minutes, so think about packing a change of clothes and some toiletries for the long journey. If you want to keep boredom and restlessness at bay, toss a few magazines or books in your carry-on bag as well.

How many direct and indirect flights does Delta Air Lines fly from STL to LHR?

The route is well traveled from St. Louis, MO (STL-Lambert-St. Louis Intl.) to London (LHR-Heathrow). Delta Air Lines links the two approximately 10 times every week.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to London (LHR-Heathrow), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Travelers ❤️ these 🏨 after their flight to London

Price for 1 night 2 adults*

Hilton Garden Inn London Heathrow Terminal 2 and 3
Hilton Garden Inn London Heathrow Terminal 2 and 3
3.5 out of 5.0 Heathrow T2, Hounslow, England
$112

Per night/room

Mar 6 - Mar 7

4.6/5 (26 reviews)

It was very clean and comfortable. It was obvious that they take their guests health seriously. Breakfast was lovely and very tasty served by a lovely young lady by the name of Edyt.

Reviewed on Sep 22, 2020
This hotel features a restaurant, a fitness center, and a bar/lounge. Traveling on business? Take advantage of the 5 conference rooms, as well as the 24-hour ...
Aerotel London Heathrow T2 & T3
Aerotel London Heathrow T2 & T3
3.0 out of 5.0 Arrivals Hall, East Wing Building, Heathrow Airport, Hounslow, England
$84

Per night/room

Mar 3 - Mar 4

4.0/5 (2 reviews)

The location is ideal. Directions to the hotel are not clear.

Reviewed on Dec 8, 2019
Free WiFi in public areas is provided and the front desk is staffed around-the-clock.
Leonardo London Heathrow Airport
Leonardo London Heathrow Airport
4.0 out of 5.0 Bath Road, West Drayton, England
4.3/5 (29 reviews)

Good transit through location. Good breakfast buffet. I’m annoyed that this requires me to enter 50 characters when I don’t really have that much to say.

Reviewed on Feb 5, 2020
This hotel features a restaurant, a fitness center, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.