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Cheap Flights from Washington D.C. to Belfast

Compare Washington D.C. to Belfast flight deals

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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 December.
Dec
from Rs68,984
Jan
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Feb
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Mar
from Rs73,825
Apr
from Rs73,825
May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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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 foundRs68,984
Cheapest month to flyDecember

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 Rs160,983. 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 Rs160,983.
As of December 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 January.
If you're flying from Washington D.C., the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from Rs160,983.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Belfast on Saturday, 17 January 2026.
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 December, the average temperature is usually around 6°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 Frontier Airlines .

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

  • You can choose from a range of airports when planning your flight from Washington DC to Belfast. Check out your options for jetting out of 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 chief entry points.

  • Belfast is four hours ahead of Washington DC and is in the UTC+0 timezone.

  • Give yourself plenty of time to get on your Washington DC to Belfast flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines in popular months like July. 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.

How to find the cheapest flights from Washington DC to Belfast

  • Booking ahead of time is often the key to locking in a cheap Washington DC to Belfast flight. Airlines adjust prices based on demand, so the closer your departure date, the more it could cost you.

  • The 'Whole month' search tool shows you the cheapest plane tickets from Washington DC to Belfast across every month. It's an easy way to find a bargain if your trip dates are flexible.

  • Cut down on the time spent looking for cheap flights from Washington DC to Belfast by creating a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your Washington DC to Belfast flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • Located around 6 kilometres from the centre of Washington DC, DCA can be reached in about 15 minutes by car (depending on traffic). The journey by public transport takes roughly 45 minutes.

  • After a leisurely start to your trip? Stay near Ronald Reagan National Airport. Whether you're boarding an early flight from Washington DC to Belfast or want to avoid feeling rushed, these hotels are perfect:

  • When it comes to Ronald Reagan National Airport's on-time performance, 76.44% of flights arrive within the scheduled time frame.

  • DCA's address is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Get more out of your holiday with a stopover on your Washington DC to Belfast flight. Visit friends or family or cross another city off your list. Whatever you want to do, check out these options between Washington Dulles International Airport and Belfast:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • You can get to IAD from the centre of Washington DC in about 50 minutes by car, depending on traffic conditions. The journey by public transport will take roughly 1 hour 10 minutes to cover the 40 kilometres or so.

  • Start your holiday early with an additional night away from home. Before your flight from Washington DC to Belfast, stay in one of these hotels close to Washington Dulles International Airport:

  • 74% of flights departing Washington Dulles International Airport make it to their destination as expected.

  • IAD is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Whether just for an hour or several days, a stopover can make your journey feel a little less stressful. When flying out of Baltimore/Wash International Thurgood Marshall Airport (BWI), you can book a ticket from Washington DC to Belfast stopping at London Heathrow Airport (LHR).

  • BWI is around 40 kilometres from central Washington DC. The drive from the city centre to the terminal takes about 50 minutes. If you're planning to use public transport, expect a journey time of around 1 hour 30 minutes.

  • Make catching an early Washington DC to Belfast flight the easiest part of your journey. Book a room at one of these hotels near Baltimore/Wash International Thurgood Marshall Airport and get to your departure gate feeling relaxed and unhurried:

  • Flights that take off from BWI reach their destination within the scheduled time frame 77.13% of the time.

Arriving in Belfast

Belfast International Airport (BFS)

  • The distance from Belfast International Airport (BFS) to central Belfast is roughly 19 kilometres. It'll take you around 30 minutes to reach the centre driving.

  • It typically takes 2 hours to get there when travelling by public transport.

  • 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. Reserve one of these accommodation options near BFS instead:

  • Pick up a Belfast International Airport rental car and explore Belfast and beyond with your own set of wheels. Budget, Drivalia and Dollar are top outlets to choose from here.

  • Reserving your ride from Belfast International Airport around three weeks ahead can help you get the lowest rate.

George Best Belfast City Airport (BHD)

  • George Best Belfast City Airport (BHD) is around 5 kilometres from the centre of Belfast. Once you've disembarked your flight from Washington DC to Belfast, it'll take you approximately 10 minutes to get to the heart of the city in a ride-share or cab.

  • Public transport will get you there in about 20 minutes.

  • You'll find some great places ready to welcome you near BHD. Tuck yourself in after your Washington DC to Belfast flight at one of these perfectly located options:

  • Budget, Sixt and Alamo make picking up a George Best Belfast City Airport rental car quick and easy. These trusted providers are located around or in the terminal and will have you behind the wheel before you know it.

  • Get first dibs on the best options. Securing your ride from BHD two weeks in advance often means lower prices and a greater selection of vehicles.

Best time to go to Belfast

  • It's time to choose your trip dates for your flight from Washington DC to Belfast. August is the most popular month to travel to Belfast. If you prefer a quieter atmosphere, go in January.

  • Lock in a Washington DC to Belfast ticket departing in July if you're eager to explore the city during its warmest month. Expect temperatures in Belfast to range from 10ºC to 19ºC.

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

More about Belfast

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Belfast right here. Browse these options as soon as you've booked your flight from Washington DC to Belfast:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are a couple of big attractions to put on your Belfast itinerary. Continue your sightseeing adventures at Botanic Gardens.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered after you've experienced Belfast. Around 354 kilometres to the south-east, popular attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another essential stop in United Kingdom and is around 418 kilometres south-east of Belfast. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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.