SEA - BHD

$604 Find Cheap Flights from Seattle to Belfast City Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Belfast City departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Belfast, as well as popular online travel agencies
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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$604
British Airways
Sat 3/7Tue 3/17
SEA - BHD • 1 stop
Cheapest one-way
$293
Multiple Airlines
Mon 2/2
SEA - BHD • 3 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Belfast City!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Belfast City (SEA-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Belfast City 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Belfast City

Sat, Mar 7 - Tue, Mar 17
British Airways Logo
6:50 pm - 7:40 pm
SEA
-
BHD
16h 50m1 stop
British Airways Logo
8:45 am - 5:55 pm
BHD
-
SEA
16h 10m1 stop
$604British Airways
Sun, Jan 18 - Sun, Feb 1
British Airways Logo
6:50 pm - 6:40 pm
SEA
-
BHD
15h 50m1 stop
British Airways Logo
3:10 pm - 4:55 pm
BHD
-
SEA
33h 45m1 stop
$606British Airways
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
7:15 am - 2:15 pm
SEA
-
BHD
23h 00m2 stops
British Airways Logo
6:35 am - 5:55 pm
BHD
-
SEA
18h 20m1 stop
$620British Airways
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
7:15 am - 2:15 pm
SEA
-
BHD
23h 00m2 stops
British Airways Logo
6:35 am - 11:30 pm
BHD
-
SEA
23h 55m2 stops
$623British Airways
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
1:35 pm - 10:30 am
SEA
-
BHD
12h 55m1 stop
British Airways Logo
6:35 am - 11:30 am
BHD
-
SEA
12h 55m1 stop
$624British Airways
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
1:35 pm - 10:30 am
SEA
-
BHD
12h 55m1 stop
British Airways Logo
11:25 am - 4:55 pm
BHD
-
SEA
13h 30m1 stop
$625British Airways
Sun, Jan 18 - Sun, Feb 1
KLM Logo
6:15 am - 4:50 pm
SEA
-
BHD
26h 35m2 stops
KLM Logo
5:20 pm - 11:40 am
BHD
-
SEA
26h 20m1 stop
$632KLM
Sun, Jan 18 - Sun, Feb 1
Multiple Airlines Logo
8:35 am - 10:20 am
SEA
-
BHD
17h 45m2 stops
Multiple Airlines Logo
9:10 am - 10:20 pm
BHD
-
SEA
21h 10m2 stops
$638Multiple Airlines
Thu, Mar 19 - Mon, Mar 30
British Airways Logo
7:50 pm - 4:40 pm
SEA
-
BHD
13h 50m1 stop
British Airways Logo
7:30 pm - 9:54 pm
BHD
-
SEA
34h 24m2 stops
$697British Airways
Thu, Mar 19 - Mon, Mar 30
British Airways Logo
7:50 pm - 4:40 pm
SEA
-
BHD
13h 50m1 stop
British Airways Logo
9:50 am - 6:25 pm
BHD
-
SEA
16h 35m1 stop
$770British Airways
Booking Insights

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.

What is the most popular layover airport when flying from Seattle to Belfast City Airport?

Percentage of 1-stop round-trip flights from Seattle to Belfast City Airport chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

London (LHR) is the top choice – 93% of KAYAK users who clicked on 1-stop flights from Seattle to Belfast City Airport picked an itinerary connecting there.

What is the cheapest layover airport when flying from Seattle to Belfast City Airport?

Average round-trip price for 1-stop flights from Seattle to Belfast City Airport clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Amsterdam (AMS) offer the most affordable fares, with an average round-trip price of $805.

Which layover airport offers the shortest total travel time from Seattle to Belfast City Airport?

Shortest average total travel time for 1-stop one-way flights from Seattle to Belfast City Airport via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via London (LHR) for the shortest journey. The average one-way travel time for flights connecting there is 13h 40m.

Which layover airport has the quickest connection when flying from Seattle to Belfast City Airport?

Average layover duration at different layover airports for 1-stop one-way flights from Seattle to Belfast City Airport, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Amsterdam (AMS) often has the shortest layovers from Seattle to Belfast City Airport, with an average of 2h 40m.

Find deals

Good to know

Cheapest flight$293
Flight from Seattle to Belfast City Airport

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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

FAQs for booking Seattle to Belfast City Airport 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 $604 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Belfast City Airport?

    Yes, you’ll need a passport to travel to Belfast City Airport from Seattle.

  • Which aircraft models fly most regularly from Seattle to Belfast City Airport?

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

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

    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 City Airport.

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

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast City Airport with an airline and back to Seattle with another airline. Booking your flights between Seattle and BHD can sometimes prove cheaper using this method.

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

    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 City Airport 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

Seattle (SEA)
Belfast City (BHD)