$260 Find Cheap Flights from Washington, D.C. to Belfast - Compare and Save

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Everything you should know

Cheapest round-trip
$793
Typical prices: $878-$1,212
Multiple Airlines
Mon 10/29Mon 11/5
BWI - BFS • 2 stops
Cheapest one-way
$260
Typical prices: $420-$629
Multiple Airlines
Fri 10/19
BWI - BFS • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and Belfast. You'll need to take a connecting flight to reach the destination.
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Top routes
IAD - BFS
Cheapest • 13% average savings
IAD - BHD
Most popular
Insights
Insights
When to travel
April
Cheapest • 30% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $1,025 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 12h 07m (one-way)
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Insights
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Flight Deals

Cheap Flights from Washington, D.C. to Belfast (WAS-BHD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Belfast

Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
8:40 pm - 7:10 pmBWI  Baltimore/Washington-BFS Belfast Intl
18h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
7:20 am - 6:40 pmBFS  Belfast Intl-BWI Baltimore/Washington
16h 20m2 stops Glasgow Intl Reykjavik Keflavik Intl
$793Multiple Airlines
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
8:40 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
7:20 am - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
16h 10m2 stops Glasgow Intl Reykjavik Keflavik Intl
$793Multiple Airlines
Fri, Nov 13 - Wed, Nov 18
Multiple Airlines Logo
7:40 pm - 9:55 pmBWI  Baltimore/Washington-BFS Belfast Intl
21h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:10 pm - 6:40 pmBFS  Belfast Intl-BWI Baltimore/Washington
26h 30m3 stops London Luton Dublin Reykjavik Keflavik Intl
$797Multiple Airlines
Fri, Nov 13 - Wed, Nov 18
Multiple Airlines Logo
7:40 pm - 8:40 pmBWI  Baltimore/Washington-BFS Belfast Intl
20h 00m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
6:25 am - 6:40 pmBFS  Belfast Intl-BWI Baltimore/Washington
17h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$837Multiple Airlines
Wed, Oct 28 - Tue, Nov 3
Multiple Airlines Logo
9:55 am - 8:20 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
30h 25m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
8:55 pm - 5:00 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
25h 05m2 stops Manchester Zurich
$838Multiple Airlines
Fri, Nov 13 - Mon, Nov 16
Multiple Airlines Logo
7:40 pm - 10:35 pmBWI  Baltimore/Washington-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:30 am - 6:40 pmBFS  Belfast Intl-BWI Baltimore/Washington
15h 10m2 stops London Gatwick Reykjavik Keflavik Intl
$847Multiple Airlines
Fri, Nov 13 - Wed, Nov 18
Multiple Airlines Logo
7:40 pm - 5:20 pmBWI  Baltimore/Washington-BHD Belfast City
16h 40m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
7:25 am - 6:40 pmBHD  Belfast City-BWI Baltimore/Washington
16h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$856Multiple Airlines
Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
7:40 pm - 8:40 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 00m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:25 am - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
15h 05m2 stops Manchester Reykjavik Keflavik Intl
$857Multiple Airlines
Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
7:40 pm - 8:40 pmBWI  Baltimore/Washington-BFS Belfast Intl
20h 00m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:25 am - 6:40 pmBFS  Belfast Intl-BWI Baltimore/Washington
15h 15m2 stops Manchester Reykjavik Keflavik Intl
$859Multiple Airlines
Wed, Oct 28 - Tue, Nov 3
Multiple Airlines Logo
4:00 pm - 4:15 pmDCA  Washington, D.C. Reagan-National-BFS Belfast Intl
20h 15m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Manchester
Multiple Airlines Logo
8:55 pm - 3:24 pmBFS  Belfast Intl-DCA Washington, D.C. Reagan-National
23h 29m3 stops Manchester Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl
$868Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. to Belfast flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. to Belfast with more confidence.

What is the cheapest Washington, D.C. to Belfast flight route?

Washington, D.C. Dulles Intl Airport (IAD) to Belfast Intl Airport (BFS) is the cheapest Washington, D.C. to Belfast route, averaging $878 round-trip. Other Washington, D.C. to Belfast routes average $1,133, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to Belfast?

Tuesday is the cheapest day of the week to fly from Washington, D.C. to Belfast, it is 19% cheaper than the average day. Wednesday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Washington, D.C. to Belfast flights

Low season

July

Cheapest flight

$260
Best time to beat the crowds but there is an average 34% increase in price.
Most popular time to fly and prices are also 30% lower on average.
Flight from Baltimore to Belfast Intl Airport

When to book flights from Washington, D.C. to Belfast

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Belfast flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. to Belfast?

    Flights from Washington, D.C. to Belfast may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD), with arrivals available at Belfast area airports such as Belfast Intl (BFS) and Belfast City (BHD).

  • What cabin classes can I book on flights from Washington, D.C. to Belfast?

    Two cabin classes are available on flights from Washington, D.C. to Belfast:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Washington, D.C. to Belfast pass through?

    Connecting flights from Washington, D.C. to Belfast most commonly pass through:

    • London Heathrow (LHR) - 73% of one-stop connections
    • Amsterdam Schiphol (AMS) - 28% of one-stop connections
    Together, these airports account for 101% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. to Belfast?

    Yes. Being flexible with your travel dates can save you up to 35% on the Washington, D.C. to Belfast route. Tuesday is the cheapest departure day at $897 round-trip on average, while Wednesday is the most expensive at $1,373, a difference of $476. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Belfast?

    Some of the most popular sights in Belfast are Cathedral Quarter, Queen's Quarter and Queen's University of Belfast. These are among the most viewed places in Belfast on KAYAK.

  • How long is a flight from Washington, D.C. to Belfast?

    A nonstop flight from Washington, D.C. to Belfast takes 0h 00m, covering 3,374 miles.

  • Do I need a passport to fly from Washington, D.C. to Belfast?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. to Belfast looking right now?

    One-way fares from Washington, D.C. to Belfast are currently lower than usual. Average one-way flight prices are about $335, which is 36% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to Belfast?

    Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time at 11h 19m, compared with 12h 07m via Amsterdam Schiphol (AMS).

  • What is the time difference between Washington, D.C. and Belfast?

    Belfast is 5 hours ahead of Washington, D.C. (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in Belfast?

    Since Belfast is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Belfast City Airport (BHD) — daily rates from around $13:

    • Budget
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz
    • Avis

    Near Belfast Intl Airport (BFS) — daily rates from around $11:

    • Budget
    • DRIVALIA
    • Sixt
    • Alamo
    • Hertz

  • How much should I expect to pay for a Washington, D.C. to Belfast flight?

    Round-trip flights from Washington, D.C. to Belfast range from $878 to $1,212, with an average of $1,106 over the past 12 months. Anything below $878 counts as a good deal.

Your guide to booking Washington, D.C. to Belfast flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average $897 - about $476 less than Wednesday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. to Belfast trip for April. Fares historically average $773 round-trip in that month - typically $705 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Belfast City Airport.
    - Titanic Hotel Belfast
    - Premier Inn Belfast Titanic Quarter
    - Park Avenue

More options for your flight from Washington, D.C. to Belfast

Complete your trip to Belfast with a hotel stay or car rental

Car rentals in Belfast
Hotels in Belfast
Vacations in Belfast