Cheap Flights from Dublin (DUB) to London (LHR)

You can find cheap one-way flights from AU$84 and cheap return flights AU$198 DUB to LHR with Expedia. One-way flights typically cost between AU$158 and AU$950 and return flights often range between AU$312 and AU$1,210. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DUB to LHR ticket fares go up or down.

The cheapest months to fly from Dublin (DUB) to London (LHR) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 2 airlines offering direct flights from Dublin (DUB) to London (LHR-Heathrow). Here are the carriers:

* Aer Lingus operates 87 direct flights from Dublin (DUB) to London (LHR-Heathrow) every week.
* British Airways operates 44 direct flights from Dublin (DUB) to London (LHR-Heathrow) every week.

To find a cheap flight from Dublin (DUB) to London (LHR), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Dublin (DUB) to London (LHR-Heathrow) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. Aer Lingus offers the most daily flights from Dublin (DUB) to London (LHR-Heathrow), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find approximately 19 nonstop flights per day from Dublin (DUB) to London (LHR-Heathrow). For even more choices, look at flights that include layovers, as there are around 52 connecting flights per day. Some common connection points include Frankfurt Intl. (FRA), Schiphol (AMS), and Kastrup (CPH).

The earliest flight from Dublin (DUB) to London Heathrow (LHR) typically departs around 5:00 AM local time. This service is seasonal, active in January, October, November, and December, and is operated by airlines such as Lufthansa, Air Dolomiti, and Eurowings. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Dublin (DUB) to London Heathrow (LHR) on a Friday, with around 61 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and Lufthansa. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.

The most popular departure time for flights from Dublin (DUB) to London (LHR-Heathrow) is between 12pm and 3pm. Many major carriers, including Aer Lingus, British Airways and Lufthansa, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport, and you'll arrive in London with plenty of time for an afternoon or evening activity.

When flying from Dublin (DUB) to London (LHR-Heathrow), you have a few options. A nonstop flight typically takes around 1 hour 30 minutes, covering a distance of approximately 449 kilometres. If you opt for a flight with one stop, your travel time will be significantly longer, usually around 5 hours. Flights with two or more stops generally take about 10 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

You can fly business class between Dublin (DUB) and London (LHR-Heathrow). Airlines that offer business class service on this route include:

* SAS
* Air France
* Lufthansa
* Med View Airlines
* KLM
* British Airways
* Air Baltic
* Swiss International Air Lines
* BA Cityflyer
* Iberia Express
* Edelweiss Air
* Helvetic Airways
* Hop!
* Cityjet

First class cabins are not typically available on this route.

It's easy to earn miles on a Dublin (DUB) to London (LHR) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to London from DUB, you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), or Zürich (ZRH) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Dublin (DUB) to London (LHR) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Dublin (DUB) to London (LHR) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Dublin (DUB) to London (LHR) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.