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Cheap flights from Northern Ireland to Seattle from $646

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Seattle departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Northern Ireland to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Northern Ireland to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.
6:30 am - 11:40 amBHD-SEA
13h 10m1 stop
2:10 pm - 9:15 pmSEA-BHD
23h 05m1 stop
$791Delta
Find Deal
Thu, May 8 - Thu, May 22
6:30 am - 3:40 pmBHD-SEA
17h 10m1 stop
5:50 pm - 4:55 pmSEA-BHD
15h 05m1 stop
$795Delta
Find Deal
Thu, May 8 - Thu, May 22
6:30 am - 6:34 pmBHD-SEA
20h 04m2 stops
2:10 pm - 9:15 pmSEA-BHD
23h 05m1 stop
$805Delta
Find Deal
Thu, May 8 - Thu, May 22
6:35 am - 4:00 pmBHD-SEA
17h 25m2 stops
1:30 pm - 1:15 pmSEA-BHD
15h 45m1 stop
$827American Airlines
Find Deal
Thu, May 8 - Thu, May 29
6:35 am - 11:35 amBHD-SEA
13h 00m1 stop
8:20 pm - 6:45 pmSEA-BHD
14h 25m1 stop
$828British Airways
Find Deal
Thu, May 8 - Thu, May 29
4:20 pm - 11:09 pmBHD-SEA
38h 49m2 stops
3:00 pm - 6:45 pmSEA-BHD
19h 45m2 stops
Thu, May 8 - Thu, May 22
4:20 pm - 11:09 pmBHD-SEA
38h 49m2 stops
3:00 pm - 6:45 pmSEA-BHD
19h 45m2 stops
Thu, May 8 - Thu, May 22
6:35 am - 11:35 amBHD-SEA
13h 00m1 stop
1:30 pm - 6:15 pmSEA-BHD
20h 45m1 stop
$874British Airways
Find Deal
Fri, May 9 - Fri, May 30
6:30 am - 4:17 pmBHD-SEA
17h 47m2 stops
6:35 pm - 9:15 pmSEA-BHD
18h 40m2 stops
$898KLM
Find Deal
Fri, May 9 - Fri, May 30
6:30 am - 2:43 pmBHD-SEA
16h 13m2 stops
1:55 pm - 9:15 pmSEA-BHD
23h 20m1 stop
$921KLM
Find Deal
Wed, May 21 - Fri, May 30

Delta flights from Northern Ireland to Seattle

Our best Delta deals on Northern Ireland to Seattle flight tickets
Delta
May 8
BHD6:30 amBelfast City
13h 10m
1 stop
SEA11:40 amSeattle/Tacoma Intl
May 22
SEA2:10 pmSeattle/Tacoma Intl
23h 05m
1 stop
BHD9:15 pmBelfast City
Delta
May 8
BHD6:30 amBelfast City
17h 10m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
May 22
SEA5:50 pmSeattle/Tacoma Intl
15h 05m
1 stop
BHD4:55 pmBelfast City
Delta
May 8
BHD6:30 amBelfast City
20h 04m
2 stops
SEA6:34 pmSeattle/Tacoma Intl
May 22
SEA2:10 pmSeattle/Tacoma Intl
23h 05m
1 stop
BHD9:15 pmBelfast City

British Airways flights from Northern Ireland to Seattle

Our best British Airways deals on Northern Ireland to Seattle flight tickets
British Airways
May 8
BHD6:35 amBelfast City
13h 00m
1 stop
SEA11:35 amSeattle/Tacoma Intl
May 29
SEA8:20 pmSeattle/Tacoma Intl
14h 25m
1 stop
BHD6:45 pmBelfast City
British Airways
May 9
BHD6:35 amBelfast City
13h 00m
1 stop
SEA11:35 amSeattle/Tacoma Intl
May 30
SEA1:30 pmSeattle/Tacoma Intl
20h 45m
1 stop
BHD6:15 pmBelfast City
British Airways
May 21
BHD6:50 amBelfast City
12h 45m
1 stop
SEA11:35 amSeattle/Tacoma Intl
May 30
SEA1:30 pmSeattle/Tacoma Intl
20h 45m
1 stop
BHD6:15 pmBelfast City

See travel insights to Seattle from

How to get the cheapest flight ticket from Northern Ireland to Seattle

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 day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Northern Ireland is on a Sunday. momondo users have found tickets for Sunday departures for as low as $708. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Northern Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $708.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Northern Ireland at noon is the least expensive time of day to depart. momondo users have found prices as low as $708 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $1,060. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Northern Ireland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Seattle

Best Price Found

$646

Fastest flight time

12h 45m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Northern Ireland in the past 72 hours is $646. The best round-trip flight deal from Northern Ireland to Seattle found on momondo in the last 72 hours is $791.
The fastest flight from Northern Ireland to Seattle takes 12h 45m
There are no direct flights from Northern Ireland to Seattle. Popular non-direct routes for this connection are Belfast City Airport - Seattle/Tacoma Intl Airport and Belfast Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • When did momondo last update prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport?

    Prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport are updated daily.

  • How old do you have to be to fly from Northern Ireland to Seattle/Tacoma 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 Northern Ireland to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Lynnwood
Kirkland
Puyallup
Fife
Lakewood
Shoreline
Centralia
Redmond
Bothell
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Seattle?

Finding the right flight to Seattle from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Northern Ireland to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Northern Ireland to Seattle?

Once all potential Northern Ireland to Seattle 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 Northern Ireland to Seattle right now. Can momondo alert me if prices change?

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


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