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Journey to the heart of Wyoming with discount return airfares into Casper–Natrona County International Airport (CPR), departing from London Heathrow or Gatwick starting at £349. Access smooth single-stop transatlantic itineraries serviced by premier partner airlines including United Airlines, Delta Air Lines, and American Airlines. Seven Zones Travel protects every trip with full ATOL bonding, customizable baggage options, clear upfront quotes featuring zero hidden charges, and continuous 24/7 client phone support.
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Live fares to Casper load the moment you search. In the meantime, here is what to know about flying to Casper from London.
Average daytime temperature and monthly rainfall across the year, so you can pick the best time to fly. Source: long-term climate normals.
Average temperature (°C)
Average rainfall (mm)
Fares shown are indicative estimates. Search for live prices and availability to Casper.
Search live faresThursday
Drizzle
11°C
15/10/2026
Friday
Clear sky
14°C
16/10/2026
Saturday
Partly cloudy
21°C
17/10/2026
Sunday
Overcast
18°C
18/10/2026
Monday
Clear sky
20°C
19/10/2026
Tuesday
Partly cloudy
21°C
20/10/2026
Wednesday
Partly cloudy
22°C
21/10/2026
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Casper sits on the high plains of central Wyoming, where the North Platte River winds through sagebrush country beneath Casper Mountain. Often called 'Oil City', it's a down-to-earth base for exploring the American West — pioneer trails, blue-ribbon trout fishing and big, empty skies. For UK travellers it works best as part of a wider Wyoming or Rocky Mountain trip, and with no direct flights you'll always connect through a US hub. Use the price charts on this page to see how fares are moving before you book.
Late June to September is the sweet spot: warm, dry days around the mid-20s Celsius, long light evenings and every trail and museum open. September is especially good for fly fishing on the North Platte and for thinner crowds. Winters are cold and snowy, with reliable skiing at Hogadon Basin on Casper Mountain, while spring is notoriously windy. Shoulder-season flights in spring and late autumn are usually the cheapest — check the When to book chart above.
No airline flies direct from the UK to Casper. The usual route is a long-haul flight from London Heathrow to Denver — around nine and a half to ten hours with British Airways or United — then a short United Express hop of roughly 50 minutes on to Casper (CPR). Delta connections via Salt Lake City or Minneapolis are also common, and Chicago is another useful United hub. Allow 14 to 18 hours door to door depending on your layover. Departures from Manchester, Edinburgh or Glasgow typically add a connection first.
Casper blends frontier history with quick access to the outdoors.
The airport lies about 8 miles (13 km) north-west of downtown Casper, a straightforward 15-minute drive on US-20/26. There is no scheduled bus service, so most visitors collect a hire car at the terminal — sensible anyway for Wyoming's wide distances. Taxis, ride-hailing and some hotel shuttles are also available, though supply can be thin late in the evening.
UK passport holders travelling for tourism do not need a full visa: you will need an approved ESTA under the Visa Waiver Programme, valid for stays of up to 90 days, plus a passport valid for the length of your trip. The currency is the US dollar (USD), so check the pound-to-dollar rate before you go. No special vaccinations are required, but arrange comprehensive travel insurance with strong medical cover, as US healthcare is costly. Distances are large, so a hire car and a full UK driving licence are strongly recommended.
Your allowance to Casper depends on the airline and the fare you book. The table below shows typical long-haul allowances so you know roughly what to expect — always confirm the exact limits with your airline before you fly.
| Fare type | Hand baggage | Checked baggage |
|---|---|---|
| Basic / Light economy | 1 small under-seat bag | Usually none — add for a fee |
| Standard economy | 1 cabin bag + 1 personal item | Typically 1 × 23 kg |
| Premium economy | 1–2 cabin bags + personal item | Typically 2 × 23 kg |
| Business / First | 2 cabin bags + personal item | Typically 2 × 32 kg |
Indicative only. Allowances vary by airline, route and fare — always check your airline's baggage policy.
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