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 does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 were last updated today.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Belfast Intl Airport.

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

The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£546 Cheap Flights from District of Columbia to Belfast Intl Airport in 2026

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Find the cheapest flights from District of Columbia to Belfast

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:30 - 21:30

IAD

BFS

20h 00m

2 stops

22:10 - 15:10

BFS

IAD

46h 00m

3 stops

£546Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

20:30 - 23:20

IAD

BFS

21h 50m

3 stops

13:50 - 15:10

BFS

IAD

30h 20m

3 stops

£590Multiple Airlines

Mon, 6 Apr - Thu, 16 Apr

20:30 - 16:15

IAD

BFS

14h 45m

2 stops

13:50 - 15:10

BFS

IAD

30h 20m

3 stops

£612Multiple Airlines

Mon, 6 Apr - Thu, 16 Apr

20:30 - 21:30

IAD

BFS

20h 00m

2 stops

06:10 - 05:20

BFS

IAD

28h 10m

2 stops

£615Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

16:05 - 21:10

IAD

BFS

24h 05m

2 stops

09:15 - 14:15

BFS

IAD

34h 00m

3 stops

£627Multiple Airlines

Wed, 27 May - Mon, 1 Jun

13:20 - 18:55

IAD

BFS

24h 35m

2 stops

05:55 - 11:35

BFS

IAD

34h 40m

2 stops

£663Multiple Airlines

Thu, 23 Apr - Tue, 28 Apr

22:20 - 19:30

IAD

BFS

16h 10m

2 stops

20:15 - 15:10

BFS

IAD

47h 55m

3 stops

£667Multiple Airlines

Thu, 23 Apr - Tue, 28 Apr

13:20 - 23:20

IAD

BFS

29h 00m

2 stops

21:25 - 19:50

BFS

IAD

27h 25m

2 stops

£672Multiple Airlines

Fri, 17 Apr - Thu, 23 Apr

20:20 - 22:50

IAD

BFS

21h 30m

2 stops

16:40 - 17:00

BFS

IAD

29h 20m

2 stops

£675Multiple Airlines

Thu, 7 May - Thu, 14 May

09:55 - 21:30

IAD

BFS

30h 35m

3 stops

22:10 - 15:10

BFS

IAD

46h 00m

3 stops

£688Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

momondo Fare Finder

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 return flight

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 19/4

20:30-21:30

2 stops20h 00m

Belfast Intl

Sun 26/4

22:10-15:10

3 stops46h 00m

£546

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 6/4

20:30-23:20

3 stops21h 50m

Belfast Intl

Thu 16/4

13:50-15:10

3 stops30h 20m

£590

Fastest return journey

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 6/4

20:30-16:15

2 stops14h 45m

Belfast Intl

Thu 16/4

13:50-15:10

3 stops30h 20m

£612

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 19/4

20:30-21:30

2 stops20h 00m

Belfast Intl

Sun 26/4

06:10-05:20

2 stops28h 10m

£615

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 27/5

16:05-21:10

2 stops24h 05m

Belfast Intl

Mon 1/6

09:15-14:15

3 stops34h 00m

£627

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 23/4

13:20-18:55

2 stops24h 35m

Belfast Intl

Tue 28/4

05:55-11:35

2 stops34h 40m

£663

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 23/4

22:20-19:30

2 stops16h 10m

Belfast Intl

Tue 28/4

20:15-15:10

3 stops47h 55m

£667

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 17/4

13:20-23:20

2 stops29h 00m

Belfast Intl

Thu 23/4

21:25-19:50

2 stops27h 25m

£672

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 7/5

20:20-22:50

2 stops21h 30m

Belfast Intl

Thu 14/5

16:40-17:00

2 stops29h 20m

£675

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 19/4

09:55-21:30

3 stops30h 35m

Belfast Intl

Sun 26/4

22:10-15:10

3 stops46h 00m

£688

Flights are sorted by cheapest return 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 15m
Direct flights	None

The fastest flight from District of Columbia to Belfast Intl Airport takes 10h 15m

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 were last updated today.
How old do you have to be to fly from District of Columbia to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

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

It is quick and easy to find District of Columbia to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

All flight searches from District of Columbia to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential District of Columbia to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from District of Columbia to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.