A forest path with blue flowers and tall trees.

£17 Cheap Flights to Hertfordshire

View £17 flight on Tue, 11 Aug 2026Opens in a new window

Popular airlines to Hertfordshire

  • British Airways

  • Lufthansa

  • Iberia

  • Air France

  • Swiss International Air Lines

  • KLM

  • Finnair

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Hertfordshire

Prices were available within the past 7 days and start at £17 for one-way flights and £35 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Fri, 18 Dec - Fri, 1 Jan
BHD
Belfast
SEN
London
£51 Return, found 22 hours ago
£51
Return
found 22 hours ago
Select easyJet flight, departing Fri, 18 Dec from Belfast to London, returning Fri, 1 Jan, priced at £51 found 22 hours ago
easyJet
Thu, 17 Sept - Mon, 21 Sept
BHD
Belfast
LTN
London
£60 Return, found 7 hours ago
£60
Return
found 7 hours ago
Select easyJet flight, departing Thu, 17 Sept from Belfast to London, returning Mon, 21 Sept, priced at £60 found 7 hours ago
British Airways
Thu, 11 Feb - Mon, 15 Feb
BHD
Belfast
LHR
London
£112 Return, just found
£112
Return
just found
Select British Airways flight, departing Thu, 11 Feb from Belfast to London, returning Mon, 15 Feb, priced at £112 just found
British Airways
Thu, 11 Feb - Mon, 15 Feb
BHD
Belfast
LCY
London
£162 Return, just found
£162
Return
just found
Select British Airways flight, departing Thu, 11 Feb from Belfast to London, returning Mon, 15 Feb, priced at £162 just found
Aer Lingus
Thu, 11 Feb - Mon, 15 Feb
BHD
Belfast
LCY
London
£174 Return, just found
£174
Return
just found
Select Aer Lingus flight, departing Thu, 11 Feb from Belfast to London, returning Mon, 15 Feb, priced at £174 just found
KLM
Tue, 4 Aug - Sat, 22 Aug
BHD
Belfast
LHR
London
£237 Return, found 5 days ago
£237
Return
found 5 days ago
Select KLM flight, departing Tue, 4 Aug from Belfast to London, returning Sat, 22 Aug, priced at £237 found 5 days ago
Icelandair
Sat, 28 Nov - Fri, 4 Dec
JFK
New York
LHR
London
£473 Return, found 1 hour ago
£473
Return
found 1 hour ago
Select Icelandair flight, departing Sat, 28 Nov from New York to London, returning Fri, 4 Dec, priced at £473 found 1 hour ago
TAP Portugal
Sat, 14 Nov - Mon, 23 Nov
JFK
New York
LHR
London
£501 Return, just found
£501
Return
just found
Select TAP Portugal flight, departing Sat, 14 Nov from New York to London, returning Mon, 23 Nov, priced at £501 just found
United
Wed, 9 Sept - Fri, 11 Sept
JFK
New York
LHR
London
£530 Return, found 1 hour ago
£530
Return
found 1 hour ago
Select United flight, departing Wed, 9 Sept from New York to London, returning Fri, 11 Sept, priced at £530 found 1 hour ago
Lufthansa
Wed, 21 Oct - Fri, 23 Oct
JFK
New York
LHR
London
£545 Return, found 1 hour ago
£545
Return
found 1 hour ago
Select Lufthansa flight, departing Wed, 21 Oct from New York to London, returning Fri, 23 Oct, priced at £545 found 1 hour ago

Airports in Hertfordshire

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Flights from £800
LHR
Heathrow
Cheapest
Flights from £800

Trending flights to Hertfordshire

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.

Ryanair
Tue, 11 Aug - Sun, 30 Aug
EDI
Edinburgh
STN
London
£35 Return, found 9 hours ago
£35
Return
found 9 hours ago
Select Ryanair flight, departing Tue, 11 Aug from Edinburgh to London, returning Sun, 30 Aug, priced at £35 found 9 hours ago

Frequently asked questions

How do I find cheap flights to Hertfordshire that have flexible change policies?
By using our helpful "No change fee" filter, that's how. Simply type in your preferred dates and destination, click the "Search" button, then tick the checkbox directly underneath the "Flexible change policies" heading (left-hand side of your screen). Expedia makes it simple to find low-cost, flexible flights to Hertfordshire.
Which airlines fly to Hertfordshire?
With a great selection of airlines offering flights into or near Hertfordshire, you have plenty of choice:

  • British Airways - 1,219 flights to or near Hertfordshire each month, including 1,219 flights to Heathrow Airport (LHR) per month.
  • American Airlines - 790 flights to or near Hertfordshire each month, including 790 flights to Heathrow Airport (LHR) per month.
  • United Airlines - 638 flights to or near Hertfordshire each month, including 638 flights to Heathrow Airport (LHR) per month.

How can I find cheap tickets to Hertfordshire?
Book ahead of time, consider alternative airports, use points or miles — there are lots of ways! Another one is to make use of Expedia's "flexible dates" feature. Find a Hertfordshire flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Hertfordshire was £35.
How much is a flight to Hertfordshire?
If you were jetting one way from Belfast (BHD), you could've locked in a low-cost fare for just £17 in the last seven days. Round-trip flights to Hertfordshire ranged from £35 to £545 during this same period.
What are the most popular airports to fly into in Hertfordshire?
Start arranging your Hertfordshire getaway by reserving a seat on one of the 3,690 flights per month to Heathrow Airport (LHR). This is the region's primary gateway.
When is the cheapest time to fly to Hertfordshire?
Jetting off on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest flight. Stay away from the weekends if possible, because Saturday is typically the most expensive day of the week. Spend the cash you saved enjoying yourself in Hertfordshire instead!
How much is a plane ticket to Hertfordshire?
In the last seven days, tickets cost between £35 and £545. Take a look at our awesome deals to Hertfordshire, pick your favourite and get ready for your next fun holiday!
What is the best time to go to Hertfordshire?
A superb time to discover Hertfordshire, as well as the top city of Watford, is over the buzzing months of July, September and October. Summer here begins June 20, and you can expect average temperatures of between 13ºC and 21ºC if you go then. This warmer weather is perfect for strolling around the city sights.
What months are the cheapest to book a flight to Hertfordshire?
Reserve your ticket in February for bargain flight deals to Hertfordshire. December is usually the most expensive time to buy an airfare.

Book with confidence

Top tips for booking flights to Hertfordshire from UK

Get ready to fly to Hertfordshire

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

Find the best tickets to Hertfordshire

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

Airlines fly to Hertfordshire

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

Find the cheapest flights to Hertfordshire

By booking early you may find some of the best deals for Hertfordshire flights from the UK, including Hertfordshire direct flights. You can usually find affordable and cheap flights to Hertfordshire, whether one-way from £17 or round-trip from £35, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Hertfordshire

Try searching for different Hertfordshire airports with Expedia to find some of the cheapest flights to Hertfordshire. Flights from Belfast (BHD) to London (LTN) usually have the lowest price from £17.

Why book your flights to Hertfordshire with Expedia

Expedia offers great deals on Hertfordshire air fares from £17 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Hertfordshire 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 Hertfordshire from UK

Travel information

Hertfordshire Flights Information

Airlines serving
easyJet, British Airways, Aer Lingus, KLM, Icelandair, JetBlue Airways, Virgin Atlantic, Air France, TAP Portugal, United, Lufthansa
Roundtrip price
from £35
Hertfordshire Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.