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

Confirm your travel details to search for the latest offers for flights from Belfast to District of Columbia . 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 Belfast to District of Columbia with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Prices for flights from Belfast to District of Columbia refresh daily.

How old do you have to be to fly from Belfast to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$482 Cheap Flights from Belfast to District of Columbia in 2026

Find the cheapest flights from Belfast to District of Columbia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 7:20 pm

BFS

IAD

18h 10m

2 stops

8:30 pm - 8:35 pm

IAD

BFS

19h 05m

2 stops

$750Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

6:10 am - 7:20 pm

BFS

IAD

18h 10m

2 stops

8:30 pm - 8:35 pm

IAD

BFS

19h 05m

2 stops

$767Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

9:40 pm - 2:15 pm

BFS

IAD

45h 35m

3 stops

8:30 pm - 9:30 pm

IAD

BFS

20h 00m

2 stops

$797Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

6:55 am - 2:25 pm

BFS

IAD

36h 30m

3 stops

8:30 pm - 11:05 pm

IAD

BFS

21h 35m

2 stops

$809Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

9:40 pm - 8:35 pm

BFS

IAD

27h 55m

3 stops

8:30 pm - 7:20 pm

IAD

BFS

17h 50m

2 stops

$815Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

8:20 am - 9:50 pm

BFS

DCA

18h 30m

3 stops

6:59 am - 6:55 pm

DCA

BFS

30h 56m

3 stops

$817Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

8:15 pm - 2:15 pm

BFS

IAD

47h 00m

3 stops

11:20 pm - 9:50 pm

IAD

BFS

17h 30m

2 stops

$820Multiple Airlines

Fri, Sep 11 - Fri, Sep 18

8:20 am - 6:15 pm

BFS

DCA

14h 55m

2 stops

6:59 am - 6:55 pm

DCA

BFS

30h 56m

3 stops

$838Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

6:30 am - 8:20 pm

BHD

IAD

18h 50m

1 stop

10:25 pm - 3:40 pm

IAD

BHD

12h 15m

1 stop

$881British Airways

Wed, Aug 26 - Wed, Sep 2

9:40 pm - 5:20 am

BFS

IAD

36h 40m

3 stops

8:30 pm - 11:35 pm

IAD

BFS

22h 05m

3 stops

$883Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Belfast to District of Columbia

Our best British Airways deals on Belfast to District of Columbia flight tickets

British Airways

Aug 26

BHD6:30 amBelfast City

18h 50m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

Sep 2

IAD10:25 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BHD3:40 pmBelfast City

$881

British Airways

Sep 4

BHD8:10 pmBelfast City

24h 20m

2 stops

IAD3:30 pmWashington, D.C. Dulles Intl

Sep 8

IAD1:23 pmWashington, D.C. Dulles Intl

16h 22m

2 stops

BHD10:45 amBelfast City

$903

British Airways

Sep 4

BHD8:10 pmBelfast City

24h 20m

2 stops

IAD3:30 pmWashington, D.C. Dulles Intl

Sep 8

IAD5:45 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

BHD9:00 amBelfast City

$904

American Airlines flights from Belfast to District of Columbia

Our best American Airlines deals on Belfast to District of Columbia flight tickets

American Airlines

Aug 26

BHD11:35 amBelfast City

16h 20m

2 stops

IAD10:55 pmWashington, D.C. Dulles Intl

Sep 2

IAD9:30 pmWashington, D.C. Dulles Intl

17h 20m

1 stop

BHD7:50 pmBelfast City

$937

American Airlines

Aug 26

BHD11:35 amBelfast City

16h 20m

2 stops

IAD10:55 pmWashington, D.C. Dulles Intl

Sep 2

IAD9:30 pmWashington, D.C. Dulles Intl

17h 20m

1 stop

BHD7:50 pmBelfast City

$938

American Airlines

Aug 26

BHD11:35 amBelfast City

16h 20m

2 stops

IAD10:55 pmWashington, D.C. Dulles Intl

Sep 2

IAD9:30 pmWashington, D.C. Dulles Intl

17h 20m

1 stop

BHD7:50 pmBelfast City

$951

momondo Fare Finder

Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 9/10

6:10 am-7:20 pm

2 stops18h 10m

Washington, D.C. Dulles Intl

Thu 9/17

8:30 pm-8:35 pm

2 stops19h 05m

$750

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 9/10

6:10 am-7:20 pm

2 stops18h 10m

Washington, D.C. Dulles Intl

Thu 9/17

8:30 pm-8:35 pm

2 stops19h 05m

$767

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 9/13

9:40 pm-2:15 pm

3 stops45h 35m

Washington, D.C. Dulles Intl

Sun 9/20

8:30 pm-9:30 pm

2 stops20h 00m

$797

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 9/10

6:55 am-2:25 pm

3 stops36h 30m

Washington, D.C. Dulles Intl

Thu 9/17

8:30 pm-11:05 pm

2 stops21h 35m

$809

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 9/10

9:40 pm-8:35 pm

3 stops27h 55m

Washington, D.C. Dulles Intl

Thu 9/17

8:30 pm-7:20 pm

2 stops17h 50m

$815

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 9/10

8:20 am-9:50 pm

3 stops18h 30m

Washington, D.C. Reagan-National

Thu 9/17

6:59 am-6:55 pm

3 stops30h 56m

$817

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 9/11

8:15 pm-2:15 pm

3 stops47h 00m

Washington, D.C. Dulles Intl

Fri 9/18

11:20 pm-9:50 pm

2 stops17h 30m

$820

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 9/10

8:20 am-6:15 pm

2 stops14h 55m

Washington, D.C. Reagan-National

Thu 9/17

6:59 am-6:55 pm

3 stops30h 56m

$838

Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 8/26

6:30 am-8:20 pm

1 stop18h 50m

Washington, D.C. Dulles Intl

Wed 9/2

10:25 pm-3:40 pm

1 stop12h 15m

$881

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 9/13

9:40 pm-5:20 am

3 stops36h 40m

Washington, D.C. Dulles Intl

Sun 9/20

8:30 pm-11:35 pm

3 stops22h 05m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

Cheap Belfast to District of Columbia flight deals and tips

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

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Belfast to District of Columbia takes 14h 25m

There are no direct flights from Belfast to District of Columbia. There are no popular flight routes from Belfast to District of Columbia.

Search flight deals

Frequently asked questions about flying from Belfast to District of Columbia

When did momondo last update prices for flights from Belfast to District of Columbia?
Prices for flights from Belfast to District of Columbia refresh daily.
How old do you have to be to fly from Belfast to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Belfast to District of Columbia

How do I get Price Alerts for flights from Belfast to District of Columbia?
Confirm your travel details to search for the latest offers for flights from Belfast to District of Columbia. 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 Belfast to District of Columbia with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to District of Columbia for you.

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

momondo does allow users to show only those flights to District of Columbia from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Belfast to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Belfast to District of Columbia 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.