When did momondo last update prices for flights from Washington to Belfast City Airport?

Prices for flights from Washington to Belfast City Airport refresh daily.

How old do you have to be to fly from Washington to Belfast City Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Belfast City Airport.

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

The travel and health documents required for your trip to Belfast City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£243 Cheap Flights from State of Washington to Belfast City Airport in 2026

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Find the cheapest flights from Washington to Belfast

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:20 - 17:30

SEA

BHD

13h 10m

1 stop

19:35 - 11:35

BHD

SEA

24h 00m

1 stop

£648British Airways

Mon, 14 Sep - Mon, 21 Sep

06:24 - 12:55

SEA

BHD

22h 31m

2 stops

19:35 - 11:35

BHD

SEA

24h 00m

1 stop

£653British Airways

Mon, 14 Sep - Mon, 21 Sep

19:00 - 20:30

SEA

BHD

17h 30m

2 stops

07:00 - 20:40

BHD

SEA

21h 40m

2 stops

£675Multiple Airlines

Fri, 8 May - Fri, 15 May

13:05 - 09:20

PDX

BHD

12h 15m

1 stop

17:30 - 11:10

BHD

PDX

25h 40m

1 stop

£713Virgin Atlantic

Wed, 2 Sep - Sun, 13 Sep

20:20 - 20:35

SEA

BHD

16h 15m

1 stop

06:30 - 11:35

BHD

SEA

13h 05m

1 stop

£717British Airways

Fri, 8 May - Fri, 15 May

13:05 - 09:20

PDX

BHD

12h 15m

1 stop

17:30 - 15:06

BHD

PDX

29h 36m

2 stops

£719KLM

Wed, 2 Sep - Sun, 13 Sep

19:30 - 19:20

PDX

BHD

15h 50m

1 stop

09:35 - 23:57

BHD

PDX

22h 22m

2 stops

£728American Airlines

Sat, 18 Apr - Sat, 25 Apr

11:48 - 15:05

PDX

BHD

19h 17m

2 stops

09:35 - 22:57

BHD

PDX

21h 22m

2 stops

£734American Airlines

Sat, 18 Apr - Sat, 25 Apr

19:30 - 19:20

PDX

BHD

15h 50m

1 stop

07:05 - 21:38

BHD

PDX

22h 33m

2 stops

£735Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

13:45 - 16:55

SEA

BHD

19h 10m

1 stop

17:30 - 16:30

BHD

SEA

31h 00m

1 stop

£772KLM

Thu, 7 May - Sat, 16 May

British Airways flights from State of Washington to Belfast City Airport

Our best British Airways deals on State of Washington to Belfast City Airport flight tickets

British Airways

14 Sept

SEA20:20Seattle/Tacoma Intl

13h 10m

1 stop

BHD17:30Belfast City

21 Sept

BHD19:35Belfast City

24h 00m

1 stop

SEA11:35Seattle/Tacoma Intl

£648

British Airways

14 Sept

SEA06:24Seattle/Tacoma Intl

22h 31m

2 stops

BHD12:55Belfast City

21 Sept

BHD19:35Belfast City

24h 00m

1 stop

SEA11:35Seattle/Tacoma Intl

£653

British Airways

8 May

SEA20:20Seattle/Tacoma Intl

16h 15m

1 stop

BHD20:35Belfast City

15 May

BHD06:30Belfast City

13h 05m

1 stop

SEA11:35Seattle/Tacoma Intl

£717

Virgin Atlantic flights from State of Washington to Belfast City Airport

Our best Virgin Atlantic deals on State of Washington to Belfast City Airport flight tickets

Virgin Atlantic

2 Sept

PDX13:05Portland

12h 15m

1 stop

BHD09:20Belfast City

13 Sept

BHD17:30Belfast City

25h 40m

1 stop

PDX11:10Portland

£713

Virgin Atlantic

3 Apr

SEA17:35Seattle/Tacoma Intl

15h 20m

1 stop

BHD16:55Belfast City

11 Apr

BHD17:30Belfast City

31h 00m

1 stop

SEA16:30Seattle/Tacoma Intl

£1,584

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 14/9

20:20-17:30

1 stop13h 10m

Belfast City

Mon 21/9

19:35-11:35

1 stop24h 00m

£648

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 14/9

06:24-12:55

2 stops22h 31m

Belfast City

Mon 21/9

19:35-11:35

1 stop24h 00m

£653

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fri 8/5

19:00-20:30

2 stops17h 30m

Belfast City

Fri 15/5

07:00-20:40

2 stops21h 40m

£675

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/9

13:05-09:20

1 stop12h 15m

Belfast City

Sun 13/9

17:30-11:10

1 stop25h 40m

£713

Fastest return journey

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fri 8/5

20:20-20:35

1 stop16h 15m

Belfast City

Fri 15/5

06:30-11:35

1 stop13h 05m

£717

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/9

13:05-09:20

1 stop12h 15m

Belfast City

Sun 13/9

17:30-15:06

2 stops29h 36m

£719

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 18/4

19:30-19:20

1 stop15h 50m

Belfast City

Sat 25/4

09:35-23:57

2 stops22h 22m

£728

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 18/4

11:48-15:05

2 stops19h 17m

Belfast City

Sat 25/4

09:35-22:57

2 stops21h 22m

£734

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 18/4

19:30-19:20

1 stop15h 50m

Belfast City

Sat 25/4

07:05-21:38

2 stops22h 33m

£735

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Thu 7/5

13:45-16:55

1 stop19h 10m

Belfast City

Sat 16/5

17:30-16:30

1 stop31h 00m

£772

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Belfast City 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 airline that flies from Washington to Belfast City?

British Airways and American Airlines are the most popular carriers operating from Washington to Belfast City

Cheap State of Washington to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Belfast City Airport

Fastest flight time	12h 15m
Direct flights	None

The fastest flight from State of Washington to Belfast City Airport takes 12h 15m

There are no direct flights from State of Washington to Belfast City Airport. There are no popular flight routes from State of Washington to Belfast City Airport.

Search flight deals

When did momondo last update prices for flights from Washington to Belfast City Airport?
Prices for flights from Washington to Belfast City Airport refresh daily.
How old do you have to be to fly from Washington to Belfast City Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Belfast City Airport.
What documentation or ID do you need to fly to Belfast City Airport?
The travel and health documents required for your trip to Belfast City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Newcastle

Bangor

Carrickfergus

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Why should I use momondo to find a flight deal from Washington to Belfast?

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Can I find flights from Washington to Belfast with flexible booking policies on momondo?

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

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Washington and alert you when they change.