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Flights Dublin → Seattle

As of October 2026, economy flights from Dublin to Seattle have a typical range USD 3603–7125, median USD 3836. Full range across all 107 offers: USD 2121–8437. We found 50% of 107 offers from budget carriers (around USD 3777) and 50% from full-service carriers (around USD 4060).

107 offersavg USD 52 in feesFresh · October 2026
Search Dublin → Seattle — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Two fare clusters detected: budget fares around 3700 and premium fares around 6227

Best offers by airline: Dublin → Seattle

Based on 107 offers · October 2026. Prices and availability change — run a live search to confirm.

IcelandairUSD 2121
13h 30mMin 1 stopMorning (06–12)
Bags included
Search Icelandair
Turkish AirlinesUSD 2552
32h 35m–38h 30mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Turkish Airlines
Aer LingusUSD 3436
12h 45m–21h 12mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Aer Lingus
FinnairUSD 3579
15h 51m–18h 26mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Finnair
British AirwaysUSD 3591
14h–29h 50mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search British Airways
IberiaUSD 3604
16h 51m–21h 12mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Iberia
American AirlinesUSD 3608
14h–34h 35mMin 1 stopMorning (06–12)
Bags included
Search American Airlines
Aer LingusUSD 3610
16h 51m–21h 12mMin 1 stopMorning (06–12)
Search Aer Lingus
LufthansaUSD 3651
16h 23m–32h 15mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Lufthansa
KLMUSD 4057
14h 2m–17h 33mMin 1 stopMorning (06–12)
Bags included
Search KLM
Air FranceUSD 4057
17h 14m–22h 17mMin 1 stopMorning (06–12)
Bags included
Search Air France
DeltaUSD 4060
14h 2m–22h 17mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Delta
UnitedUSD 4438
16h 4m–20h 9mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search United
Brussels AirlinesUSD 5801
16h 23mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Brussels Airlines

Bag & seat fees: Dublin → Seattle

Add-on pricing from the cheapest available offer per airline · October 2026 · USD

AirlineCarry-onChecked bagSeat selection
IcelandairIncludedIncluded—
Turkish AirlinesIncludedIncluded—
Aer LingusIncludedUSD 30—
FinnairIncludedUSD 30—
British AirwaysIncludedUSD 65—
IberiaIncludedUSD 30—
American AirlinesIncludedUSD 35—
LufthansaIncludedUSD 35—
KLMIncludedIncluded—
Air FranceIncludedIncluded—
DeltaIncludedUSD 35—
UnitedIncludedUSD 35—
Brussels AirlinesIncludedUSD 35—

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from Dublin to Seattle cost?

Based on 107 offers · October 2026

Dublin to Seattle flights ranged from USD 2121 to USD 8437 across 107 offers analyzed in October 2026. Two fare clusters detected: budget fares around 3700 and premium fares around 6227 The chart below shows how prices distributed across all 107 offers.

P10: USD 3603P25: USD 3609P50: USD 3836P75: USD 6209P90: USD 7125

These 107 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between USD 3609 and USD 6209

What hidden fees do Dublin to Seattle flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Dublin to Seattle routes. The breakdown below is based on 107 offers analyzed in October 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
FI261%
TK100%
EI341%
AY401%
BA802%
IB361%
AA441%
LH451%
KL301%
AF341%
DL451%
UA451%
SN451%

British Airways: base ~USD 3553 + fees USD 80 = ~USD 3633 total. KLM: base ~USD 5766 + fees USD 30 = ~USD 5796 total.

British Airways's USD 80 ancillary fees narrow the gap with KLM's lower-fee model — the USD 2213 base difference shrinks to USD 2163 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

BA charges 8.0x more in ancillary fees than TK on this route. Compare total-cost options when booking.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from Dublin to Seattle?

14 airlines flew Dublin to Seattle in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

Even on the cheapest airline (Icelandair), fares ranged USD 2161–2477 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
Icelandair22161–2477231926 (1%)
Turkish Airlines22694–3833326410 (0%)
Iberia93604–4600360936 (1%)
Aer Lingus4—3610n/a
British Airways323602–6256363380 (2%)
Finnair53579–3988377740 (1%)
Air France54057–6145406034 (1%)
American Airlines233608–8387449144 (1%)
Delta Air Lines64060–7534453245 (1%)
Lufthansa43651–7604472645 (1%)
United Airlines44525–6145472745 (1%)
KLM24405–7187579630 (1%)
Brussels Airlines1—580145 (1%)
Aer Lingus83557–6260625734 (1%)

Where do the best Dublin → Seattle prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: Dublin to Seattle flights

Frequently asked questions

How much does a flight from Dublin to Seattle cost?
Based on 107 offers analyzed, Dublin to Seattle flights range from USD 2121 to USD 8437, with a median price of USD 3836. Search for your specific dates →
What hidden fees should I expect on Dublin to Seattle flights?
On average, ancillary fees (bags, seat selection) add USD 52 to the base fare on Dublin to Seattle flights. See itemized fees for your itinerary →
Which airline is cheapest on Dublin to Seattle including all fees?
Icelandair has the lowest median fare on Dublin to Seattle at USD 2319 (median across 2 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Dublin–Seattle flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 3610. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Dublin to Seattle routes?
Dublin to Seattle has 14 airlines competing, creating a price range from USD 2121 to USD 8437 across 107 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →

14 airlines, two price clusters — find which fits your budget

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Flights Dublin → Seattle: Price Data & Hidden Fees | LetsFG