Cheap Flights from Washington Ronald Reagan Airport to Northern Ireland from $820 Roundtrip

Flight deals from Washington Ronald Reagan Airport to Northern Ireland

Looking for a cheap last-minute deal or the best roundtrip flight from Washington Ronald Reagan Airport to Northern Ireland? If you want to travel next month, roundtrip fares start from $1,013. Find the lowest prices on one-way and roundtrip tickets right here.

Derry.$820 per passenger.Departing Wed, Jul 8, returning Wed, Jul 15.Round-trip flight with jetBlue and Ryanair.Outbound indirect flight with jetBlue, departing from Washington Ronald Reagan on Wed, Jul 8, arriving in Derry.Inbound indirect flight with Ryanair, departing from Derry on Wed, Jul 15, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $820, select.

Belfast.$942 per passenger.Departing Fri, Jul 3, returning Thu, Jul 9.Round-trip flight with jetBlue and Ryanair.Outbound indirect flight with jetBlue, departing from Washington Ronald Reagan on Fri, Jul 3, arriving in Belfast International.Inbound indirect flight with Ryanair, departing from Belfast International on Thu, Jul 9, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $942, select.

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Flying from Washington Ronald Reagan Airport to Northern Ireland

Arm yourself with these facts on the fly.

Cheapest flight found	$820
Cheapest month to fly	July

How to find cheap flights from Washington Ronald Reagan Airport to Northern Ireland

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Washington Ronald Reagan Airport to Northern Ireland. Other savvy travelers recently found round-trip flights from $820 and one-way tickets from $376. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in July

The cheapest time to fly from Washington Ronald Reagan Airport to Northern Ireland is currently July.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington Ronald Reagan Airport to anywhere you choose in Northern Ireland.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Washington Ronald Reagan Airport to your chosen airport in Northern Ireland go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Northern Ireland Airport to Northern Ireland flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Washington Ronald Reagan Airport to Northern Ireland?

We looked at all of the upcoming round-trip flights from Washington Ronald Reagan Airport to Northern Ireland we could find over the next 12 months. It looks like $820 is the best price. This is good, compared to the average Northern Ireland ticket price of $881.

What is the cheapest month to fly from Washington Ronald Reagan Airport to Northern Ireland?

The cheapest month to fly from Washington Ronald Reagan Airport to Derry Airport is currently July.
The cheapest month to fly from Washington Ronald Reagan Airport to Belfast International Airport is usually July.

On which upcoming date is it cheapest to fly from Washington Ronald Reagan Airport to Northern Ireland?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington Ronald Reagan Airport to Northern Ireland on Wednesday, July 8, 2026.

If I'm flying from Washington Ronald Reagan Airport, where in Northern Ireland is cheapest to fly to?

If you're flying from Washington Ronald Reagan, the cheapest city in Northern Ireland to fly into is Derry. The cheapest airport serving Derry at the moment is Derry.