Skyscanner

Cheap Flights from Washington D.C. to Belfast

Travellers and cabin class

Compare Washington D.C. to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

Book the best Belfast fare with no extra fees

Flight deals from Washington D.C. to Belfast

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Belfast? Find the lowest prices on one-way and return tickets right here.
Belfast.561 € per passenger.Departing Mon, 3 Mar, returning Mon, 10 Mar.Return flight with Fly Play and Ryanair.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Mon, 3 Mar, arriving in Belfast City.Inbound indirect flight with Ryanair, departs from Belfast International on Mon, 10 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From 561 €, select.
Belfast.599 € per passenger.Departing Mon, 7 Apr, returning Mon, 14 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Baltimore Washington International on Mon, 7 Apr, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Mon, 14 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From 599 €, select.
Belfast.613 € per passenger.Departing Mon, 31 Mar, returning Sun, 6 Apr.Return flight with Fly Play and easyJet.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Mon, 31 Mar, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Sun, 6 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From 613 €, select.
Belfast.617 € per passenger.Departing Sun, 27 Apr, returning Sun, 4 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Baltimore Washington International on Sun, 27 Apr, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Sun, 4 May, arriving in Baltimore Washington International.Price includes taxes and charges.From 617 €, select.
Belfast.625 € per passenger.Departing Fri, 28 Feb, returning Sun, 9 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Baltimore Washington International on Fri, 28 Feb, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Sun, 9 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From 625 €, select.
Belfast.709 € per passenger.Departing Mon, 5 May, returning Mon, 19 May.Return flight with Icelandair and easyJet.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 5 May, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Mon, 19 May, arriving in Washington Dulles.Price includes taxes and charges.From 709 €, select.
Belfast.714 € per passenger.Departing Wed, 17 Sep, returning Sat, 27 Sep.Return flight with Fly Play and Ryanair.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Wed, 17 Sep, arriving in Belfast International.Inbound indirect flight with Ryanair, departs from Belfast International on Sat, 27 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 714 €, select.
Belfast.807 € per passenger.Departing Mon, 9 Jun, returning Mon, 16 Jun.Return flight with Fly Play and easyJet.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Mon, 9 Jun, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Mon, 16 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 807 €, select.

Find the cheapest month to fly from Washington D.C. to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Belfast flights are currently cheapest in March.
Feb
Find prices
Mar
from 561 €
Apr
from 599 €
May
from 709 €
Jun
from 807 €
Jul
from 1.016 €
Aug
Find prices
Sep
from 714 €
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices

Alternative Washington D.C. to Belfast routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to Belfast? You could fly into the following airports instead.

Washington D.C. to Belfast: Flight information

The things to know before you go.
Cheapest flight found561 €
Cheapest month to flyMarch

Finding cheap flights from Washington D.C. to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Washington D.C. to Belfast is 561 €. 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 Washington D.C. to Belfast. But we found flights with one or more stops from 561 €.
As of February 2025, there are no flights flying from Washington D.C. to Belfast.
The cheapest month to fly from Washington D.C. to Belfast is usually February 2025.
If you're flying from Washington D.C., the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from 561 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Belfast on Monday, 3 March 2025.
No airlines currently offer direct flights between Washington D.C. and Belfast. 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 Belfast 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 Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 5°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
The cheapest airline that flies to Belfast is Fly Play .

Flying from Washington DC to Belfast: what you need to know

  • You can choose from multiple airports when organising your flight from Washington DC to Belfast. Explore your options for departing Washington DC from Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Belfast International Airport (BFS) and George Best Belfast City Airport (BHD) are Belfast's major gateways.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your flight from Washington DC to Belfast.

  • You can expect longer queues in popular months like July and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • You can travel to United Kingdom for tourism purposes without a visa if you have a passport from United States. But before reserving your cheap flight from Washington DC to Belfast, make sure you're up to date with the latest guidelines. Visa rules are subject to change, and you may require some travel documentation if your trip is for business or another reason.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • DCA is about 8 kilometres from central Washington DC. If you're driving, catching a cab or ride-sharing from the centre, it'll take 16 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 43 minutes.

  • Want a handy hotel close to Ronald Reagan National Airport? If you're catching an early flight from Washington DC to Belfast, these stays will have you sleeping moments from your departure lounge:

Washington Dulles International Airport (IAD)

  • Break up your flight from Washington DC to Belfast with a stop at Edinburgh Airport (EDI). A main stopover between Washington Dulles International Airport and Belfast, it's a great opportunity to unwind before the next leg of your journey.

  • You can arrive at IAD from central Washington DC in about 51 minutes by car, depending on traffic. The ride by public transport will take roughly 3 hours and 26 minutes to cover the 56 kilometres or so.

  • Want to spoil yourself with an extra night away before boarding your flight from Washington DC to Belfast? Relax in a hotel near Washington Dulles International Airport before your holiday officially begins. Here's where you can stay:

Arriving in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to the centre of Belfast is about 31 minutes by car. It's approximately 32 kilometres away.

  • Getting there by public transport will take you around 2 hours and 2 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Washington DC to Belfast. Check in to one of these accommodation options near BFS instead:

George Best Belfast City Airport (BHD)

  • George Best Belfast City Airport (BHD) is roughly 8 kilometres from central Belfast. After your flight from Washington DC to Belfast, expect a drive time of approximately 12 minutes to reach the heart of the city.

  • You can expect the trip to take about 22 minutes on public transport.

  • After your flight from Washington DC to Belfast, rest your head at a hotel near BHD. These are some great options that'll help you sink into relaxation mode:

How to find the cheapest flights from Washington DC to Belfast

  • The cheapest price we've found for a one-way ticket from Washington DC to Belfast is 369 €. For a return flight on this route, the best price is 561 €. Depending on when and how early you book, these fares may change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from Washington DC to Belfast if you book early. Airlines often offer some fantastic early bird rates.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' search tool. It'll show you the cheapest price across the month when searching for your ticket from Washington DC to Belfast.

  • Create a Price Alert for cheap tickets from Washington DC to Belfast. There's no need to check back in every day to see whether prices have dropped. We'll update you the moment the price changes.

  • Use filters to tailor your flights from Washington DC to Belfast. Pick your preferred departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to see the best deals.

Best time to go to Belfast

  • February is the quietest month for flights from Washington DC to Belfast, while August is the most popular. Find the best time to visit Belfast based on whether you like a lively atmosphere or a more laid-back vibe.

  • The warmest month in Belfast is July, with the temperature ranging between 10ºC and 19ºC. Book your flights from Washington DC to Belfast in this month if you like this kind of weather.

  • If you like travelling in cooler conditions, look for a cheap ticket from Washington DC to Belfast in January when temperatures average between 1ºC and 8ºC.

More about Belfast

Complete your Belfast trip with a car rental

  • Finding you a cheap flight from Washington DC to Belfast isn't our only party trick. Check out our car rentals in Belfast and explore at your own pace. We search for deals from trusted car rental providers and put them all in one place. Instantly compare rates and then book with no fees.

Plan the rest of your trip from Washington D.C. to Belfast

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