£404 Cheap Flights to Washington County

View £404 flight on Tue, 8 Sept 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at £404 for one-way flights and £631 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 8 Dec - Mon, 28 Dec
LHR
London
STL
St. Louis
£631 Return, found 3 days ago
£631
Return
found 3 days ago
Select American Airlines flight, departing Tue, 8 Dec from London to St. Louis, returning Mon, 28 Dec, priced at £631 found 3 days ago
American Airlines
Wed, 2 Sept - Wed, 9 Sept
LHR
London
STL
St. Louis
£632 Return, found 21 hours ago
£632
Return
found 21 hours ago
Select American Airlines flight, departing Wed, 2 Sept from London to St. Louis, returning Wed, 9 Sept, priced at £632 found 21 hours ago
British Airways
Wed, 16 Sept - Tue, 22 Sept
LHR
London
STL
St. Louis
£645 Return, found 9 hours ago
£645
Return
found 9 hours ago
Select British Airways flight, departing Wed, 16 Sept from London to St. Louis, returning Tue, 22 Sept, priced at £645 found 9 hours ago
KLM
Tue, 8 Sept - Thu, 17 Sept
LHR
London
STL
St. Louis
£653 Return, just found
£653
Return
just found
Select KLM flight, departing Tue, 8 Sept from London to St. Louis, returning Thu, 17 Sept, priced at £653 just found
Finnair
Mon, 21 Sept - Sun, 27 Sept
LHR
London
STL
St. Louis
£655 Return, found 10 hours ago
£655
Return
found 10 hours ago
Select Finnair flight, departing Mon, 21 Sept from London to St. Louis, returning Sun, 27 Sept, priced at £655 found 10 hours ago
Air France
Sun, 6 Sept - Tue, 22 Sept
LHR
London
STL
St. Louis
£658 Return, found 5 days ago
£658
Return
found 5 days ago
Select Air France flight, departing Sun, 6 Sept from London to St. Louis, returning Tue, 22 Sept, priced at £658 found 5 days ago
Iberia
Wed, 2 Sept - Wed, 30 Sept
LHR
London
STL
St. Louis
£662 Return, found 1 hour ago
£662
Return
found 1 hour ago
Select Iberia flight, departing Wed, 2 Sept from London to St. Louis, returning Wed, 30 Sept, priced at £662 found 1 hour ago
Virgin Atlantic
Tue, 1 Dec - Tue, 8 Dec
LHR
London
STL
St. Louis
£666 Return, found 7 hours ago
£666
Return
found 7 hours ago
Select Virgin Atlantic flight, departing Tue, 1 Dec from London to St. Louis, returning Tue, 8 Dec, priced at £666 found 7 hours ago
Delta
Mon, 5 Oct - Mon, 12 Oct
LHR
London
STL
St. Louis
£666 Return, found 1 hour ago
£666
Return
found 1 hour ago
Select Delta flight, departing Mon, 5 Oct from London to St. Louis, returning Mon, 12 Oct, priced at £666 found 1 hour ago
British Airways
Tue, 8 Sept - Wed, 16 Sept
MAN
Manchester
STL
St. Louis
£696 Return, found 9 hours ago
£696
Return
found 9 hours ago
Select British Airways flight, departing Tue, 8 Sept from Manchester to St. Louis, returning Wed, 16 Sept, priced at £696 found 9 hours ago

Trending flights to Washington County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 8 Dec - Mon, 28 Dec
LHR
London
STL
St. Louis
£631 Return, found 3 days ago
£631
Return
found 3 days ago
Select American Airlines flight, departing Tue, 8 Dec from London to St. Louis, returning Mon, 28 Dec, priced at £631 found 3 days ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
At Expedia, we've been channeling our inner Olympic gymnast to give you the most flexible fares available. Simply mark the "No change fee" box right underneath the "Flexible change policies" subheading to find your perfect flight to Washington County.
Which airlines fly to Washington County?
Reserve your fare with Allegiant Air and then begin planning your Washington County travel agenda. This leading carrier offers 125 flights per month to MidAmerica-St. Louis Airport (BLV), a central gateway.
How can I find cheap tickets to Washington County?
For an unbeatable deal to Washington County, book well in advance. Also make use of Expedia's handy "flexible dates" feature at the top of your search results. This will display prices for the days around your travel dates. In the last seven days, £631 was the best price for a flight to Washington County.
How much is a flight to Washington County?
The price of a round-trip journey to Washington County in the last seven days varied between £631 and £696. If you were journeying one way from London (LHR), you could have scored a cheap seat from only £404.
What are the most popular airports to fly into in Washington County?
The primary gateway to Washington County, roughly 125 flights touch down at MidAmerica-St. Louis Airport (BLV) each month. Keep an eye out for a great deal, reserve your seat and prepare to experience this popular region.
When is the cheapest time to fly to Washington County?
Leave for Washington County early in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to hop on a plane, closely followed by Monday. If you'd like to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Washington County?
In the last seven days, tickets to Washington County cost between £631 and £696. Prices depend on multiple things, particularly the departure time, carrier, cabin class and how early you make your booking.
What is the best time to go to Washington County?
Nashville, Washington County's most well-known city, is a superb destination to tour around at anytime. Don't like cooler weather? Then venture here from June 20 onward in summer, when temperatures fluctuate from 18ºC to 29ºC. March, August and September is when Nashville lures the biggest crowds.
What months are the cheapest to book a flight to Washington County?
February is the most affordable month to secure a seat for your Washington County holiday. Airfares are priciest during the month of December, so avoid this time if possible.

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Top tips for booking flights to Washington County from UK

Get ready to fly to Washington County

Prepare your luggage and book your flights to Washington County with Expedia. We offer a seamless flight booking experience, with a wide range of Washington County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Washington County in 2026, we are always available to assist you. Book your flights to Washington County today and let the adventure begin!

Find the best tickets to Washington County

To find some of the best tickets to Washington County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Washington County or last-minute flights to Washington County, you can filter and sort your search results, making it easy to find the ideal flight to Washington County.

Airlines fly to Washington County

There are 20 different airlines that fly to Washington County including some of the most trusted names in the business. To book flights to Washington County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Washington County plane tickets.

Find the cheapest flights to Washington County

By booking early you may find some of the best deals for Washington County flights from the UK, including Washington County direct flights. You can usually find affordable and cheap flights to Washington County, whether one-way from £404 or round-trip from £631, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Washington County

Try searching for different Washington County airports with Expedia to find some of the cheapest flights to Washington County. Flights from London (LHR) to St. Louis (STL) usually have the lowest price from £404.

Why book your flights to Washington County with Expedia

Expedia offers great deals on Washington County air fares from £404 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Washington County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Washington County from UK

Travel information

Washington County Flights Information

Airlines serving
Lufthansa, Austrian Airlines, American Airlines, Air Canada, British Airways, Iberia, KLM, Air France, Finnair, Virgin Atlantic, Delta
Roundtrip price
from £631
Washington County Flights Information

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