£786 Cheap Flights to Lewis and Clark County

Popular airlines to Lewis and Clark County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • Hawaiian Airlines

    Hawaiian Airlines

  • KLM

    KLM

  • Air France

    Air France

  • Virgin Atlantic

    Virgin Atlantic

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Top Cities to Visit in Lewis and Clark County

FlightsFlights

Helena

Helena

Cheap round-trip flights to Lewis and Clark County

Prices were available within the past 7 days and start at £786 for one-way flights and £619 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 23 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£619 Return, found 3 days ago
£619
Return
found 3 days ago
Select American Airlines flight, departing Tue, 23 Sep from London to Helena, returning Tue, 30 Sep, priced at £619 found 3 days ago
American Airlines
Tue, 16 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£619 Return, found 3 days ago
£619
Return
found 3 days ago
Select American Airlines flight, departing Tue, 16 Sep from London to Helena, returning Tue, 30 Sep, priced at £619 found 3 days ago
American Airlines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
HLN
Helena
£622 Return, found 3 days ago
£622
Return
found 3 days ago
Select American Airlines flight, departing Mon, 22 Sep from London to Helena, returning Mon, 29 Sep, priced at £622 found 3 days ago
American Airlines
Tue, 16 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£622 Return, found 3 days ago
£622
Return
found 3 days ago
Select American Airlines flight, departing Tue, 16 Sep from London to Helena, returning Tue, 30 Sep, priced at £622 found 3 days ago
Delta
Mon, 22 Sep - Mon, 29 Sep
LHR
London
HLN
Helena
£623 Return, found 3 days ago
£623
Return
found 3 days ago
Select Delta flight, departing Mon, 22 Sep from London to Helena, returning Mon, 29 Sep, priced at £623 found 3 days ago
American Airlines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
HLN
Helena
£625 Return, found 3 days ago
£625
Return
found 3 days ago
Select American Airlines flight, departing Mon, 22 Sep from London to Helena, returning Mon, 29 Sep, priced at £625 found 3 days ago
Delta
Tue, 16 Sep - Mon, 29 Sep
LHR
London
HLN
Helena
£627 Return, found 3 days ago
£627
Return
found 3 days ago
Select Delta flight, departing Tue, 16 Sep from London to Helena, returning Mon, 29 Sep, priced at £627 found 3 days ago
Virgin Atlantic
Mon, 22 Sep - Mon, 29 Sep
LHR
London
HLN
Helena
£636 Return, found 3 days ago
£636
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 22 Sep from London to Helena, returning Mon, 29 Sep, priced at £636 found 3 days ago
Air France
Tue, 16 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£636 Return, found 3 days ago
£636
Return
found 3 days ago
Select Air France flight, departing Tue, 16 Sep from London to Helena, returning Tue, 30 Sep, priced at £636 found 3 days ago
KLM
Tue, 16 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£636 Return, found 3 days ago
£636
Return
found 3 days ago
Select KLM flight, departing Tue, 16 Sep from London to Helena, returning Tue, 30 Sep, priced at £636 found 3 days ago

Top tips for booking flights to Lewis and Clark County from UK

Get ready to fly to Lewis and Clark County

Prepare your luggage and book your flights to Lewis and Clark County with Expedia. We offer a seamless flight booking experience, with a wide range of Lewis and Clark County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Lewis and Clark County in 2025, we are always available to assist you. Book your flights to Lewis and Clark County today and let the adventure begin!

Find the best tickets to Lewis and Clark County

To find some of the best tickets to Lewis and Clark County in 2025, 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 Lewis and Clark County or last-minute flights to Lewis and Clark County, you can filter and sort your search results, making it easy to find the ideal flight to Lewis and Clark County.

Airlines fly to Lewis and Clark County

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

Find the cheapest flights to Lewis and Clark County

By booking early you may find some of the best deals for Lewis and Clark County flights from the UK, including Lewis and Clark County direct flights. You can usually find affordable and cheap flights to Lewis and Clark County, whether one-way from £786 or round-trip from £619, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Lewis and Clark County

Try searching for different Lewis and Clark County airports with Expedia to find some of the cheapest flights to Lewis and Clark County. Flights from London (LGW) to Helena (HLN) usually have the lowest price from £786.

Why book your flights to Lewis and Clark County with Expedia

Expedia offers great deals on Lewis and Clark County air fares from £786 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Lewis and Clark 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.

Lewis and Clark County Flights Information

Airlines serving
American Airlines, Delta, Virgin Atlantic, Air France, KLM, Icelandair, Aer Lingus
Roundtrip price
from £619

Frequently asked questions

How do I find cheap flights to Lewis and Clark County that have flexible change policies?
By using our clever "No change fee" filter, that's how. Simply type in your dates and other details, click the "Search" button, then check the box directly under the "Flexible change policies" subheading (it's on the left). Expedia makes it simple to find cheap, flexible flights to Lewis and Clark County.
Which airlines fly to Lewis and Clark County?
With a good range of airlines operating flights into or near Lewis and Clark County, you're not short on choice:

  • Delta Air Lines - 60 flights to or near Lewis and Clark County each month, including 60 flights to Helena Regional Airport (HLN) per month.
  • United Airlines - 56 flights to or near Lewis and Clark County each month, including 56 flights to Helena Regional Airport (HLN) per month.
  • Alaska Airlines - 30 flights to or near Lewis and Clark County each month, including 30 flights to Helena Regional Airport (HLN) per month.

How can I find cheap tickets to Lewis and Clark County?
A helpful strategy for getting your hands on cheap tickets is to be flexible with your dates. Start by searching for your flight to Lewis and Clark County, then click on the "flexible dates" box for a list of prices for nearby days. Want another good tip? Book well ahead of time. For an idea of costs, £619 was the lowest price for a flight to Lewis and Clark County in the last seven days.
How much is a flight to Lewis and Clark County?
You could have picked up a return air ticket to Lewis and Clark County from anywhere between £619 and £866 in the last seven days. For one-way journeys leaving from London (LGW), the lowest price during this time was £786.
What are the most popular airports to fly into in Lewis and Clark County?
Start planning your Lewis and Clark County escape by securing one of the 147 flights a month to Helena Regional Airport (HLN). This is the region's main gateway.
When is the cheapest time to fly to Lewis and Clark County?
If you'd rather spend your holiday savings enjoying the delights of Lewis and Clark County rather than on flying there, jet off earlier in the week. The most cost-effective day to travel is usually Tuesday, with Monday coming in second. With many folks travelling on the weekend, Saturday typically has the costliest airfares.
How much is a plane ticket to Lewis and Clark County?
In the last seven days, plane fares to Lewis and Clark County cost between £619 and £866. The early bird catches the worm, so secure a terrific deal today.
What is the best time to go to Lewis and Clark County?
Helena, Lewis and Clark County's leading city, is a superb location to tour around at anytime. Not a fan of cooler weather? Then travel here from June 20 onward during the summer months, when temperatures range from 7ºC to 24ºC. March, May and July is when Helena is at its busiest.
What months are the cheapest to book a flight to Lewis and Clark County?
Snap up a ticket in February for the lowest-priced flights to Lewis and Clark County. December is normally the most expensive time to purchase a fare.

Trending flights to Lewis and Clark 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, 23 Sep - Tue, 30 Sep
LHR
London
HLN
Helena
£619 Return, found 3 days ago
£619
Return
found 3 days ago
Select American Airlines flight, departing Tue, 23 Sep from London to Helena, returning Tue, 30 Sep, priced at £619 found 3 days ago
*Available to Expedia members.