904 € Cheap Flights from London to Sioux City

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Flight deals from London to Sioux City Airport

Looking for a cheap last-minute deal or the best return flight from London to Sioux City Airport? If you want to travel next month, return fares start from 1.367 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Sioux City

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Sioux City flights are currently cheapest in March.

London to Sioux City: Alternative routes

Compare routes from London to Sioux City below. You may find an airport to fly into that's cheaper, faster, or easier than Sioux City.

London to Sioux City: Flight information

The things to know before you go.
Cheapest flight found904 €
Cheapest month to flyMarch

Finding cheap flights from London to Sioux City: Frequently asked questions

The best price we found for a return flight from London to Sioux City is 904 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Sioux City. But we found flights with one stop from 904 €.
As of November 2025, there are no flights flying from London to Sioux City.
The cheapest month to fly from London to Sioux City is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Sioux City Airport on Tuesday, 17 March 2026.
No airlines currently offer direct flights between London and Sioux City Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sioux City but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sioux City is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sioux City is SWISS .

Flying from London to Sioux Gateway Airport (SUX): What you need to know

  • London has numerous airports to leave from. Explore your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to Sioux Gateway Airport (SUX). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the city's other major bases.

  • Sioux Gateway Airport is located in Sioux City. The city is in the UTC-5 timezone and is five hours behind London.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your flight from London to SUX.

  • During high season, expect longer wait times and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in London

London Heathrow Airport (LHR)

  • You might be able to make your cheap flight from London to SUX even cheaper with a stopover. Just deselect 'Direct flights only' during your search to find cities that could split up the flight. O'Hare International Airport (ORD) is an option when taking off from London Heathrow Airport (LHR).

  • Travelling from central London to LHR takes around 1 hour by public transport. If you ride-share, drive or grab a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic.

  • Want a stress-free start to your trip? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Sioux Gateway Airport or prefer not to feel hurried, these hotels are the ideal choice:

  • When it comes to London Heathrow Airport's on-time performance, data shows 68.18% of flights complete their journey on time.

London Gatwick Airport (LGW)

  • LGW is around 80 kilometres from central London. It takes 1 hour 20 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 30 minutes.

  • Want to treat yourself to an extra night away before catching your London to SUX flight? Relax in a hotel near London Gatwick Airport before your break officially starts. Here's where you can stay:

  • Looking at how often flights stay on schedule, London Gatwick Airport has an on-time arrival rate of 69.26%.

Stansted Airport (STN)

  • From central London, STN is around 64 kilometres away. It takes roughly 1 hour to reach the airport by car and 1 hour 25 minutes or so on public transport.

  • Make departure day worry-free — stay near Stansted Airport and know you'll make it to your gate with time to spare. Check in to one of these hotels the day before if you're catching an early London to Sioux Gateway Airport flight:

  • Flights departing from STN make it to their destination within the expected time frame 64.73% of the time.

About Sioux Gateway Airport (SUX)

Getting from Sioux Gateway Airport (SUX) to central Sioux City

  • Central Sioux City is around 13 kilometres from Sioux Gateway Airport and takes about 10 minutes to reach by car. Work out your options for getting into the city, whether that's with a cab, car hire or ride-share.

  • If you're using public transport, expect a journey of about 30 minutes.

How to find the cheapest flights from London to Sioux Gateway Airport (SUX)

  • The lowest price we've found for a one-way ticket from London to Sioux Gateway Airport is 661 €. For a return flight on this route, the best price is 904 €. Depending on the availability and when you book, these fares could change.

  • To pick up cheap flights from London to SUX, book ahead. Airlines typically offer the most competitive fares when tickets are first released.

  • Cheap London to Sioux Gateway Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across every month and then choose the cheapest day.

  • Save time looking for cheap plane tickets from London to SUX by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Find the best deal on a flight from London to Sioux Gateway Airport with the help of the filters. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from London to Sioux Gateway Airport (SUX)

  • Think about your travel style when picking your flight dates. February is the quietest month to go to Sioux City. August is when most people book flights from London to Sioux Gateway Airport (SUX), which may be ideal if you're chasing more excitement.

  • The warmest month in Sioux City is July, with temperatures ranging between 15ºC (59ºF) and 33ºC (91ºF). Lock in your London to SUX plane ticket then if you enjoy this type of weather.

  • January has temperatures of between -14ºC (7ºF) and 2ºC (36ºF). Search for cheap tickets from London to Sioux Gateway Airport around that time if you'd rather travel in cooler conditions.

More about Sioux City

  • Once you've booked your flight from London to Sioux Gateway Airport, find a hotel that's got location and comfort covered. Make one of these options your base for exploring Sioux City:

  • There are so many things to discover in this city, it can be tricky to know where to start. The Mid America Museum of Aviation & Transportation, Cathedral of the Epiphany and Fourth Street Historic District are popular attractions which should be on any well-planned Sioux City itinerary.

Explore more of the United States

  • You've seen Sioux City, now it's time to discover more of the United States. Travel about 129 kilometres south to Omaha to check off its leading attractions. From Kiewit Luminarium to Suzanne & Walter Scott Aquarium and OUR BODY: The Universe Within, you'll have a full itinerary ahead.

  • Lincoln is another favourite destination in the United States and is around 177 kilometres south of Sioux City. No trip is complete without visiting Hyde Observatory, Museum of American Speed and Lied Centre for Performing Arts.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.