Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport from $462

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Belfast

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Belfast.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to Belfast

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to Belfast.

All round-trip flight deals to Belfast

The cheapest plane tickets to Belfast found on KAYAK recently.
2:35 pm - 12:50 pmIAD-BFS
17h 15m2 stops
8:55 pm - 6:25 pmBFS-IAD
26h 30m3 stops
Sun, Dec 29 - Wed, Jan 8
9:55 pm - 8:45 pmIAD-BFS
17h 50m1 stop
7:40 am - 6:25 pmBFS-IAD
15h 45m2 stops
Sun, Dec 29 - Wed, Jan 8
2:35 pm - 12:50 pmIAD-BFS
17h 15m2 stops
6:00 am - 6:25 pmBFS-IAD
17h 25m2 stops
$1,041
Find Deal
Sun, Dec 29 - Wed, Jan 8
6:50 pm - 11:15 pmIAD-BFS
23h 25m2 stops
6:00 am - 5:40 pmBFS-IAD
16h 40m2 stops
$1,149
Find Deal
Sat, Apr 12 - Sat, Apr 19
2:00 pm - 9:50 pmIAD-BFS
26h 50m2 stops
7:55 am - 12:15 pmBFS-IAD
33h 20m2 stops
$1,279
Find Deal
Sun, Jan 5 - Sun, Jan 12
10:30 pm - 8:10 pmIAD-BFS
16h 40m2 stops
2:10 pm - 1:00 pmBFS-IAD
27h 50m3 stops
$1,394
Find Deal
Sun, Jan 5 - Sun, Jan 12
7:40 pm - 8:30 amIAD-BFS
31h 50m2 stops
Wed, Dec 11
7:40 pm - 5:55 pmIAD-BFS
17h 15m2 stops
Wed, Dec 11

See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belfast Intl Airport?

The month of October is, on average, the cheapest month to fly to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport, with most prices found around $621. If you’re not able to fly to Belfast Intl Airport in October, then November is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport during November average around $640.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Tuesday when prices can be found for as low as $680. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport for around $804.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

In the morning is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport when you can find flight prices for as low as $0. Flying to Belfast Intl Airport in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $767.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Belfast Intl Airport flights?

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Belfast Intl Airport flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Belfast Intl Airport (IAD to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport

Best Price Found

$462

Fastest flight time

16h 40m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $462. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport found on momondo in the last 72 hours is $954.
The fastest flight from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport takes 16h 40m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Belfast Intl Airport.

  • How far is Washington, D.C. Dulles Intl to Belfast Intl by plane?

    Belfast Intl is 3375.6 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 16h 40m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $610Free CancellationRating
6.6
6,831 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Washington, D.C..

Can I find flights from Washington, D.C. to Belfast with flexible booking policies on momondo?

Flights from Washington, D.C. to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 11/27
Wed 12/4
Email me momondo's favorite deals

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo