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Flights Osaka → Seattle

As of November 2026, economy flights from Osaka to Seattle have a typical range USD 729–2102, median USD 884. Full range across all 86 offers: USD 646–8117. We analyzed 86 offers from 21 airlines in a single price check.

86 offersavg USD 1643 in feesFresh · November 2026
Search Osaka → 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 →

Best offers by airline: Osaka → Seattle

Based on 86 offers · November 2026. Prices and availability change — run a live search to confirm.

Thai LionAirUSD 646
18h 25mMin 1 stopAfternoon (12–18)
Carry-on: USD 200Checked: USD 400
Non-refundable
Search Thai LionAir
Philippine AirlinesUSD 669
38h 25mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search Philippine Airlines
PeachUSD 670
16h 40m–19h 45mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Peach
Jetstar JapanUSD 672
17h 10m–20h 15mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Jetstar Japan
China AirlinesUSD 711
16h 10m–22h 25mMin 1 stopEvening (18–21)
Non-refundable
Search China Airlines
EVA AirUSD 746
16h 20m–24h 15mMin 1 stopEvening (18–21)
Bags included
Non-refundable
Search EVA Air
STARLUX AirlinesUSD 772
18h 5m–35h 55mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search STARLUX Airlines
Alaska AirlinesUSD 828
16h 15m–19h 41mMin 1 stopEvening (18–21)
Search Alaska Airlines
Alaska AirlinesUSD 831
16h 15m–29h 35mMin 1 stopEvening (18–21)
Bags included
Non-refundable
Search Alaska Airlines
Korean AirUSD 831
14h 10m–36h 5mMin 1 stopMorning (06–12)
Non-refundable
Search Korean Air
アシアナ航空USD 874
15h–35h 25mMin 1 stopMorning (06–12)
Search アシアナ航空
ANAUSD 963
12h 45m–20h 35mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search ANA
DeltaUSD 978
14h 10m–16h 56mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Delta
Cathay PacificUSD 992
18h 15m–39h 55mMin 1 stopEvening (18–21)
Bags included
Non-refundable
Search Cathay Pacific
Qatar AirwaysUSD 1084
34h 45mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Qatar Airways
Turkish AirlinesUSD 1321
35h 25mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search Turkish Airlines
EmiratesUSD 1397
31h 25mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search Emirates
KLMUSD 1409
39h 35mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search KLM
Japan AirlinesUSD 2088
19h 40m–31h 50mMin 1 stopMorning (06–12)
Non-refundable
Search Japan Airlines
Jin AirUSD 2101
13h 20m–26h 40mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Jin Air
Singapore AirlinesUSD 8113
24h 45m–31h 15mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search Singapore Airlines

Bag & seat fees: Osaka → Seattle

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

AirlineCarry-onChecked bagSeat selection
Thai LionAirUSD 200USD 400—
Philippine AirlinesIncludedIncluded—
PeachIncludedUSD 2000—
Jetstar JapanIncludedUSD 2000—
China Airlines———
EVA AirIncludedIncluded—
STARLUX AirlinesIncludedIncluded—
Alaska AirlinesIncludedUSD 35—
Korean Air———
アシアナ航空———
ANAIncluded——
DeltaIncludedIncluded—
Cathay PacificIncludedIncluded—
Qatar AirwaysIncludedIncluded—
Turkish AirlinesIncludedIncluded—
EmiratesIncludedIncluded—
KLMIncludedUSD 35—
Japan Airlines———
Jin AirIncludedUSD 25000—
Singapore AirlinesIncludedIncluded—

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 Osaka to Seattle cost?

Based on 86 offers · November 2026

Osaka to Seattle flights ranged from USD 646 to USD 8117 across 86 offers analyzed in November 2026. The chart below shows how prices distributed across all 86 offers.

P10: USD 729P25: USD 831P50: USD 884P75: USD 1406P90: USD 2102

These 86 offers (November 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 831 and USD 1406

What hidden fees do Osaka to Seattle flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Osaka to Seattle routes. The breakdown below is based on 86 offers analyzed in November 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
SL700108%
PR152%
MM2900430%
GK2900385%
CI152%
BR111%
JX152%
AS364%
KE142%
OZ101%
NH00%
DL81%
CX503%
QR202%
TK101%
EK201%
KL473%
JL00%
LJ300001417%
SQ200%

Jin Air: base ~USD -27898 + fees USD 30000 = ~USD 2102 total. Singapore Airlines: base ~USD 8095 + fees USD 20 = ~USD 8115 total.

Jin Air's USD 30000 ancillary fees narrow the gap with Singapore Airlines's lower-fee model — the USD 35993 base difference shrinks to USD 6013 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.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from Osaka to Seattle?

21 airlines flew Osaka to Seattle in this dataset. 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.

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
SL1—646700 (108%)
Philippine Airlines1—66915 (2%)
Peach Aviation2671–6786742900 (430%)
GK3674–8646792900 (427%)
China Airlines5711–91971115 (2%)
EVA Air7746–244274611 (1%)
Starlux3772–82377215 (2%)
ASHA3828–852828n/a
Korean Air15831–95083214 (2%)
Alaska Airlines5833–87584936 (4%)
Asiana Airlines6874–88487410 (1%)
Cathay Pacific7992–359199250 (5%)
Qatar Airways1—108420 (2%)
Delta Air Lines51038–129311438 (1%)
Turkish Airlines1—132110 (1%)
Emirates1—139720 (1%)
KLM1—140947 (3%)
Japan Airlines62088–208920880 (0%)
Jin Air42101–2145210230000 (1427%)
ANA71625–210221020 (0%)
Singapore Airlines28113–8116811520 (0%)

Where do the best Osaka → Seattle prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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: Osaka to Seattle flights

Frequently asked questions

How much does a flight from Osaka to Seattle cost?
Based on 86 offers analyzed, Osaka to Seattle flights range from USD 646 to USD 8117, with a median price of USD 884. Search for your specific dates →
What hidden fees should I expect on Osaka to Seattle flights?
On average, ancillary fees (bags, seat selection) add USD 1643 to the base fare on Osaka to Seattle flights. See itemized fees for your itinerary →
Which airline is cheapest on Osaka to Seattle including all fees?
SL has the lowest median fare on Osaka to Seattle at USD 646 (median across 1 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Osaka–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 832. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Osaka to Seattle routes?
Osaka to Seattle has 21 airlines competing, creating a price range from USD 646 to USD 8117 across 86 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

21 airlines compete on this route — we check every one

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