What is the cheapest flight from Seattle to Belfast City Airport?

In the last 3 days, the lowest price for a flight from Seattle to Belfast City Airport was £324 for a one-way ticket and £1,010 for a return. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Seattle to Belfast?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Seattle to Belfast?

oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Belfast, with oneworld being the most commonly used for this route.

How does KAYAK find such low prices on flights from Seattle to Belfast?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Belfast. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Seattle is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Seattle to Belfast?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Seattle with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Belfast?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

£242 CHEAP FLIGHTS from Seattle to Belfast (SEA - BHD)

SEA - BHD

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast City Airport

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Flights Deals

Cheap Flight Deals from Seattle to Belfast (SEA-BHD)

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Recent return flight deals from Seattle to Belfast City

KAYAK's recommended return flight deals from the most popular airlines that fly from Seattle to Belfast City.

Discover the best prices for you by selecting your travel dates on KAYAK.

19:35 - 19:25SEA-BHD

15h 50m2 stops

07:00 - 17:50BHD-SEA

18h 50m2 stops

£756Aer Lingus

Find Deal

Tue, 3 Jun - Tue, 10 Jun

19:35 - 08:50SEA-BHD

29h 15m2 stops

19:25 - 17:50BHD-SEA

30h 25m2 stops

£799Aer Lingus

Find Deal

Thu, 29 May - Thu, 5 Jun

10:00 - 21:10SEA-BHD

27h 10m3 stops

07:05 - 15:03BHD-SEA

39h 58m3 stops

£801

Find Deal

Mon, 16 Jun - Thu, 19 Jun

13:30 - 15:30SEA-BHD

18h 00m1 stop

06:35 - 11:35BHD-SEA

13h 00m1 stop

£818Aer Lingus

Find Deal

Thu, 29 May - Thu, 5 Jun

13:30 - 20:45SEA-BHD

23h 15m1 stop

06:35 - 17:50BHD-SEA

19h 15m2 stops

£831Aer Lingus

Find Deal

Thu, 29 May - Thu, 5 Jun

20:20 - 19:25SEA-BHD

15h 05m1 stop

06:35 - 11:10BHD-SEA

12h 35m1 stop

£835British Airways

Find Deal

Tue, 3 Jun - Tue, 10 Jun

11:35 - 17:40SEA-BHD

22h 05m2 stops

07:05 - 15:03BHD-SEA

39h 58m3 stops

£846

Find Deal

Mon, 16 Jun - Thu, 19 Jun

06:20 - 10:35SEA-BHD

20h 15m2 stops

06:35 - 11:10BHD-SEA

12h 35m1 stop

£861British Airways

Find Deal

Tue, 3 Jun - Tue, 10 Jun

17:35 - 16:55SEA-BHD

15h 20m1 stop

17:25 - 15:55BHD-SEA

30h 30m1 stop

£1,109KLM

Find Deal

Sat, 14 Jun - Sat, 21 Jun

17:35 - 16:55SEA-BHD

15h 20m1 stop

17:25 - 11:40BHD-SEA

26h 15m1 stop

£1,113KLM

Find Deal

Sat, 14 Jun - Sat, 21 Jun

Useful Info

KAYAK's insights & trends for Seattle to Belfast City flights

Get data-powered insights and trends into flights from Seattle to Belfast City to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Seattle to Belfast?

In the past 3 days, the cheapest return tickets from Seattle to Belfast were found on Aer Lingus (£756) and British Airways (£835).

Find deals

Cheapest flight	£242

Flight from Seattle to Belfast

When to book flights from Seattle to Belfast City

Are your dates flexible? Find out the best times to travel from Seattle to Belfast City based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Seattle to Belfast City Airport?
In the last 3 days, the lowest price for a flight from Seattle to Belfast City Airport was £324 for a one-way ticket and £1,010 for a return.
Which aircraft models fly most regularly from Seattle to Belfast?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Seattle to Belfast?
oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Belfast, with oneworld being the most commonly used for this route.
How does KAYAK find such low prices on flights from Seattle to Belfast?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Belfast.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Belfast?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Seattle to Belfast?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Seattle with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Belfast?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Belfast City

Airports

Cabin class

Complete your trip

Direct flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Belfast City (BHD)

Seattle (SEA)

SEA - BHD

£242 Find Cheap Flights from Seattle to Belfast

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast City Airport

Cheap Flight Deals from Seattle to Belfast (SEA-BHD)

Recent return flight deals from Seattle to Belfast City

Recent one-way flight deals from Seattle to Belfast City

Recent last minute flight deals from Seattle to Belfast City

KAYAK's insights & trends for Seattle to Belfast City flights

Get data-powered insights and trends into flights from Seattle to Belfast City to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Seattle to Belfast?

In the past 3 days, the cheapest return tickets from Seattle to Belfast were found on Aer Lingus (£756) and British Airways (£835).

Good to know - Cheap tickets from Seattle to Belfast

When to book flights from Seattle to Belfast City

FAQs for booking Seattle to Belfast flights

What is the cheapest flight from Seattle to Belfast City Airport?

In the last 3 days, the lowest price for a flight from Seattle to Belfast City Airport was £324 for a one-way ticket and £1,010 for a return.

Which aircraft models fly most regularly from Seattle to Belfast?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Seattle to Belfast?

oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Belfast, with oneworld being the most commonly used for this route.

How does KAYAK find such low prices on flights from Seattle to Belfast?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Belfast.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Seattle to Belfast?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Seattle with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Belfast?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Belfast City

Information on your arrival and departure airports

Cabin class types available on flights to Belfast City

Complete your trip to Belfast with a hotel stay or car hire

Find direct flights to and from Seattle and Belfast City

Flights to other popular destinations

Flights from domestic origins to Belfast City

Choose which airport to fly into in Belfast

Find deals for your return flight