Direct (nonstop) flights from Dublin to Seattle

1 airline flys nonstop from Dublin Airport (DUB) to Seattle Tacoma International (SEA). It's 4,540 miles (7,306 km), about 9h 50m in the air. Operated by Aer Lingus.

DUB
Dublin Airport
🇮🇪 Dublin, Ireland
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
9h 50m
Distance
4,540 mi
7,306 km
CO₂/pax
694 kg
−38 kg vs. layover
Airlines
1
Aer Lingus
Time Diff
-8h
Operated by Aer Lingus Aer Lingus

Route data last updated: May 27, 2026

Airlines with non-stop flights

Aer Lingus EI Aer Lingus
Route
DUB → SEA
Flight Time
9h 50m
Distance
4,540 mi

Alternative Routes

Other ways to fly from Dublin to Seattle with one stop · direct emits 694 kg CO₂ per passenger

DUB YVR (Vancouver) SEA
Leg 1: 8h 55m (4,466 mi) Leg 2: 1h 10m (127 mi) Total: ~10h 5m 🍃 732 kg CO₂ (+5% vs. direct)
Leg 1
DUB → YVR
8h 55m · 4,466 mi
View DUB to YVR flights →
Leg 2
YVR → SEA
1h 10m · 127 mi
View YVR to SEA flights →
DUB YYC (Calgary) SEA
Leg 1: 8h 15m (4,107 mi) Leg 2: 1h 55m (452 mi) Total: ~10h 10m 🍃 737 kg CO₂ (+6% vs. direct)
Leg 1
DUB → YYC
8h 15m · 4,107 mi
View DUB to YYC flights →
Leg 2
YYC → SEA
1h 55m · 452 mi
View YYC to SEA flights →
DUB KEF (Reykjavik) SEA
Leg 1: 2h 35m (934 mi) Leg 2: 8h (3,621 mi) Total: ~10h 35m 🍃 737 kg CO₂ (+6% vs. direct)
Leg 1
DUB → KEF
2h 35m · 934 mi
View DUB to KEF flights →
Leg 2
KEF → SEA
8h · 3,621 mi
View KEF to SEA flights →
DUB LHR (London) SEA
Leg 1: 1h 30m (279 mi) Leg 2: 10h (4,800 mi) Total: ~11h 30m 🍃 811 kg CO₂ (+17% vs. direct)
Leg 1
DUB → LHR
1h 30m · 279 mi
View DUB to LHR flights →
Leg 2
LHR → SEA
10h · 4,800 mi
View LHR to SEA flights →
DUB CPH (Copenhagen) SEA
Leg 1: 2h 10m (772 mi) Leg 2: 9h 40m (4,867 mi) Total: ~11h 50m 🍃 912 kg CO₂ (+31% vs. direct)
Leg 1
DUB → CPH
2h 10m · 772 mi
View DUB to CPH flights →
Leg 2
CPH → SEA
9h 40m · 4,867 mi
View CPH to SEA flights →

Looking for the return flight?

SEA → DUB: Flights from Seattle to Dublin

Frequently Asked Questions

How long is the direct flight from Dublin to Seattle?

A nonstop flight from Dublin (DUB) to Seattle (SEA) takes approximately 9 hours and 50 minutes. The distance is 4,540 miles (7,306 km).

Which airlines fly nonstop from Dublin to Seattle?

Just Aer Lingus.

Is there a nonstop flight from Dublin to Seattle?

Yes. 1 airline: Aer Lingus.

How far is Dublin from Seattle?

The flight distance from Dublin to Seattle is 4,540 miles (7,306 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.

What is the time difference between Dublin and Seattle?

Seattle is 8 hours behind Dublin. (Europe/Dublin vs America/Los_Angeles.)

Will I experience jet lag flying from Dublin to Seattle?

Probably — 8-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.

What type of aircraft flies from Dublin to Seattle?

At 9h 50m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from Ireland to USA?

Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Dublin to Seattle?

Roughly 694 kg CO2 per passenger one-way. That's about the same as driving 3,470 km.

Is the return flight from Seattle to Dublin also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Dublin to Seattle?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Dublin Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.