Latest deals
FAQs
Reviews
Price Alerts

Cheap flights from District of Columbia to Belfast from $731

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Belfast departing on 4/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Search flight deals

Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:30 pm
IAD
-
BFS
20h 00m
2 stops
Multiple Airlines Logo
10:10 pm - 3:10 pm
BFS
-
IAD
46h 00m
3 stops
$731Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
8:30 pm - 9:30 pm
IAD
-
BFS
20h 00m
2 stops
Multiple Airlines Logo
7:35 am - 3:10 pm
BFS
-
IAD
36h 35m
3 stops
$736Multiple Airlines
Sun, Apr 26 - Tue, May 12
Multiple Airlines Logo
8:30 pm - 11:20 pm
IAD
-
BFS
21h 50m
3 stops
Multiple Airlines Logo
1:50 pm - 3:10 pm
BFS
-
IAD
30h 20m
3 stops
$790Multiple Airlines
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
8:30 pm - 4:15 pm
IAD
-
BFS
14h 45m
2 stops
Multiple Airlines Logo
1:50 pm - 3:10 pm
BFS
-
IAD
30h 20m
3 stops
$820Multiple Airlines
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
8:30 pm - 9:30 pm
IAD
-
BFS
20h 00m
2 stops
Multiple Airlines Logo
6:10 am - 5:20 am
BFS
-
IAD
28h 10m
2 stops
$824Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
4:05 pm - 9:10 pm
IAD
-
BFS
24h 05m
2 stops
Multiple Airlines Logo
9:15 am - 2:15 pm
BFS
-
IAD
34h 00m
3 stops
$840Multiple Airlines
Wed, May 27 - Mon, Jun 1
Multiple Airlines Logo
1:20 pm - 6:55 pm
IAD
-
BFS
24h 35m
2 stops
Multiple Airlines Logo
5:55 am - 11:35 am
BFS
-
IAD
34h 40m
2 stops
$889Multiple Airlines
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
10:20 pm - 7:30 pm
IAD
-
BFS
16h 10m
2 stops
Multiple Airlines Logo
8:15 pm - 3:10 pm
BFS
-
IAD
47h 55m
3 stops
$894Multiple Airlines
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
1:20 pm - 11:20 pm
IAD
-
BFS
29h 00m
2 stops
Multiple Airlines Logo
9:25 pm - 7:50 pm
BFS
-
IAD
27h 25m
2 stops
$901Multiple Airlines
Fri, Apr 17 - Thu, Apr 23
Multiple Airlines Logo
8:20 pm - 10:50 pm
IAD
-
BFS
21h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 5:00 pm
BFS
-
IAD
29h 20m
2 stops
$905Multiple Airlines
Thu, May 7 - Thu, May 14

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Belfast Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from District of Columbia to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 4/19

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

Sun 4/26

10:10 pm-3:10 pm

3 stops46h 00m

$731

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 4/26

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

Tue 5/12

7:35 am-3:10 pm

3 stops36h 35m

$736

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 4/6

8:30 pm-11:20 pm

3 stops21h 50m

Belfast Intl

Thu 4/16

1:50 pm-3:10 pm

3 stops30h 20m

$790
Quickest round-trip

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 4/6

8:30 pm-4:15 pm

2 stops14h 45m

Belfast Intl

Thu 4/16

1:50 pm-3:10 pm

3 stops30h 20m

$820

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 4/19

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

Sun 4/26

6:10 am-5:20 am

2 stops28h 10m

$824

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 5/27

4:05 pm-9:10 pm

2 stops24h 05m

Belfast Intl

Mon 6/1

9:15 am-2:15 pm

3 stops34h 00m

$840

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 4/23

1:20 pm-6:55 pm

2 stops24h 35m

Belfast Intl

Tue 4/28

5:55 am-11:35 am

2 stops34h 40m

$889

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 4/23

10:20 pm-7:30 pm

2 stops16h 10m

Belfast Intl

Tue 4/28

8:15 pm-3:10 pm

3 stops47h 55m

$894

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 4/17

1:20 pm-11:20 pm

2 stops29h 00m

Belfast Intl

Thu 4/23

9:25 pm-7:50 pm

2 stops27h 25m

$901

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 5/7

8:20 pm-10:50 pm

2 stops21h 30m

Belfast Intl

Thu 5/14

4:40 pm-5:00 pm

2 stops29h 20m

$905

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap District of Columbia to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Belfast Intl Airport

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from District of Columbia to Belfast Intl Airport takes 10h 30m
There are no direct flights from District of Columbia to Belfast Intl Airport. There are no popular flight routes from District of Columbia to Belfast Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Belfast Intl Airport?

    Prices for flights from District of Columbia to Belfast Intl Airport are updated daily.

  • How many operators does momondo search for flights from District of Columbia to Belfast Intl Airport?

  • How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Belfast Intl Airport

Compare and see reviews for airlines that fly from District of Columbia to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $652Free CancellationRating
6.7
7,813 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from District of Columbia to Belfast Intl Airport?

    Confirm your travel details to search for the latest offers for flights from District of Columbia to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from District of Columbia to Belfast Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Ballymena
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Belfast?

Finding the right flight to Belfast from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from District of Columbia to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to Belfast?

momondo helps you find the best flight between District of Columbia and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Belfast right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 4/22
Wed 4/29
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to London Heathrow Airportfrom $463
Flights to London Gatwick Airportfrom $424
Flights to London City Airportfrom $617
Flights to London Stansted Airportfrom $436
Flights to London Luton Airportfrom $444
Flights to Glasgow Intl Airportfrom $524
Flights to London Southend Airportfrom $723
Flights to Belfast City Airportfrom $711