How do I get Price Alerts for flights from Belfast to State of Washington?

Confirm your travel details to search for the latest offers for flights from Belfast to State of Washington . 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 State of Washington 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 Washington?

Prices for flights from Belfast to Washington refresh daily.

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

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 Belfast to Washington.

What documentation or ID do you need to fly to Washington?

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

$796 Cheap Flights from Belfast to Washington in 2025/26

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Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 am - 5:00 pmBHD-SEA

17h 40m2 stops

2:35 pm - 8:30 pmSEA-BHD

21h 55m2 stops

$826Multiple Airlines

Find Deal

lun., nov. 24 - lun., dic. 1

6:30 am - 11:45 amBHD-SEA

13h 15m1 stop

3:05 pm - 9:00 pmSEA-BHD

21h 55m1 stop

$828Delta

Find Deal

lun., nov. 24 - lun., dic. 1

6:30 am - 6:41 pmBHD-SEA

20h 11m2 stops

3:05 pm - 4:50 pmSEA-BHD

17h 45m1 stop

$834Virgin Atlantic

Find Deal

lun., nov. 24 - lun., dic. 1

6:35 am - 4:55 pmBHD-SEA

18h 20m1 stop

7:50 pm - 6:35 pmSEA-BHD

15h 45m1 stop

$871American Airlines

Find Deal

jue., mar. 5 - lun., mar. 9

3:05 pm - 11:30 amBHD-SEA

28h 25m1 stop

7:00 am - 2:15 pmSEA-BHD

24h 15m2 stops

$872American Airlines

Find Deal

jue., mar. 5 - lun., mar. 9

9:05 am - 4:55 pmBHD-SEA

15h 50m1 stop

7:50 pm - 6:35 pmSEA-BHD

15h 45m1 stop

$876British Airways

Find Deal

jue., mar. 5 - lun., mar. 9

11:05 am - 11:07 pmBHD-SEA

20h 02m2 stops

7:00 am - 2:15 pmSEA-BHD

24h 15m2 stops

$877American Airlines

Find Deal

jue., mar. 5 - lun., mar. 9

9:05 am - 12:27 pmBHD-SEA

35h 22m2 stops

7:00 am - 2:15 pmSEA-BHD

24h 15m2 stops

$878American Airlines

Find Deal

jue., mar. 5 - lun., mar. 9

7:50 am - 2:20 pmBFS-SEA

38h 30m2 stops

10:15 pm - 8:20 amSEA-BFS

26h 05m1 stop

$1,001Multiple Airlines

Find Deal

lun., nov. 24 - lun., dic. 1

5:20 pm - 5:00 pmBHD-SEA

31h 40m3 stops

2:35 pm - 8:50 pmSEA-BHD

22h 15m2 stops

$1,170Multiple Airlines

Find Deal

lun., nov. 24 - lun., dic. 1

American Airlines flights from Belfast to State of Washington

Our best American Airlines deals on Belfast to State of Washington flight tickets

American Airlines

Mar 5

BHD6:35 amBelfast City

18h 20m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

Mar 9

SEA7:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BHD6:35 pmBelfast City

$871

Find similar

American Airlines

Mar 5

BHD3:05 pmBelfast City

28h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Mar 9

SEA7:00 amSeattle/Tacoma Intl

24h 15m

2 stops

BHD2:15 pmBelfast City

$872

Find similar

American Airlines

Mar 5

BHD11:05 amBelfast City

20h 02m

2 stops

SEA11:07 pmSeattle/Tacoma Intl

Mar 9

SEA7:00 amSeattle/Tacoma Intl

24h 15m

2 stops

BHD2:15 pmBelfast City

$877

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

lun. 11/24

7:20 am-5:00 pm

2 stops17h 40m

Seattle/Tacoma Intl

lun. 12/1

2:35 pm-8:30 pm

2 stops21h 55m

$826

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

lun. 11/24

6:30 am-11:45 am

1 stop13h 15m

Seattle/Tacoma Intl

lun. 12/1

3:05 pm-9:00 pm

1 stop21h 55m

$828

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

lun. 11/24

6:30 am-6:41 pm

2 stops20h 11m

Seattle/Tacoma Intl

lun. 12/1

3:05 pm-4:50 pm

1 stop17h 45m

$834

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

6:35 am-4:55 pm

1 stop18h 20m

Seattle/Tacoma Intl

lun. 3/9

7:50 pm-6:35 pm

1 stop15h 45m

$871

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

3:05 pm-11:30 am

1 stop28h 25m

Seattle/Tacoma Intl

lun. 3/9

7:00 am-2:15 pm

2 stops24h 15m

$872

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

9:05 am-4:55 pm

1 stop15h 50m

Seattle/Tacoma Intl

lun. 3/9

7:50 pm-6:35 pm

1 stop15h 45m

$876

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

11:05 am-11:07 pm

2 stops20h 02m

Seattle/Tacoma Intl

lun. 3/9

7:00 am-2:15 pm

2 stops24h 15m

$877

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

9:05 am-12:27 pm

2 stops35h 22m

Seattle/Tacoma Intl

lun. 3/9

7:00 am-2:15 pm

2 stops24h 15m

$878

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

lun. 11/24

7:50 am-2:20 pm

2 stops38h 30m

Seattle/Tacoma Intl

lun. 12/1

10:15 pm-8:20 am

1 stop26h 05m

$1,001

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

lun. 11/24

5:20 pm-5:00 pm

3 stops31h 40m

Seattle/Tacoma Intl

lun. 12/1

2:35 pm-8:50 pm

2 stops22h 15m

$1,170

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Belfast to State of Washington flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Belfast to Washington?
Prices for flights from Belfast to Washington refresh daily.
How old do you have to be to fly from Belfast to Washington?
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 Belfast to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Belfast to State of Washington?
Confirm your travel details to search for the latest offers for flights from Belfast to State of Washington. 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 State of Washington 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 Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Washington. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Washington?

momondo helps you find the best flight between Belfast and Washington 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 Belfast to Washington right now. Can momondo alert me if prices change?

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