Seattle Per Diem Rates 2026 (FY2027)
The FY2027 GSA per diem for Seattle, WA is $188 to $255 per night lodging (peak Oct and Jun–Sep) + $92 M&IE, $280 to $347 per day.
Effective Thu, Oct 1, 2026 to Thu, Sep 30, 2027. Covers King.
$188–$255
Lodging per night
peak Oct and Jun–Sep
$92
M&IE per day
$69 on first/last day
$347
Max total per day
$255 + $92, peak season
+92%
Peak vs standard rate
standard $113 + $68 = $181
Lodging by season in Seattle
Standard rate: $113/night (cities without their own listing)
- Oct 1–Oct 31$255
- Nov 1–May 31$188
- Jun 1–Sep 30$255
Cheapest: $188 (Nov–May). Peak: $255 (Oct and Jun–Sep), $67 more per night.
Meals and incidentals in Seattle: $92 a day
Breakfast
$23
Lunch
$26
Dinner
$38
Incidentals
$5
First/last day (75%)
$69
Example: Monday to Thursday in Seattle
Mon, Feb 15, 2027 to Thu, Feb 18, 2027, 3 nights in the Nov 1–May 31 season ($188/night). Maximum allowance.
Lodging
$564
3 x $188
Meals and incidentals
$322
2 x $69 + 2 x $92 = $138 + $184
Total
$886
$564 + $322
Calculate your Seattle trip
Seattle, WA: 2 nights, 3 travel days
Maximum per diem for this trip
$606
Lodging
$376
Meals and incidentals (M&IE)
$230
First report free: log real expenses next to your per diem and export a PDF or Excel expense report.
Day-by-day breakdown
| Date | Lodging | M&IE | Note |
|---|---|---|---|
| Mon, Nov 9, 2026 | $188 | $69 | First day, 75% M&IE |
| Tue, Nov 10, 2026 | $188 | $92 | Full day, 100% M&IE |
| Wed, Nov 11, 2026 | none | $69 | Last day, 75% M&IE |
| Total | $376 | $230 |
Lodging is the maximum nightly rate for the season that covers each night, not a flat allowance for hotel receipts. M&IE here is $92 per day at Seattle, WA: breakfast $23, lunch $26, dinner $38, incidentals $5; first and last day $69.
Turn this into a trip report
Log expenses and receipts during your Seattle trip and export a PDF and Excel report. Tracking is free and your first trip report is free; after that $3.99 per trip or $19 a year for unlimited reports.
Seattle per diem FAQ
What is the per diem rate in Seattle for 2026?
The FY2027 GSA per diem for Seattle, WA is $188 to $255 per night lodging (peak Oct and Jun–Sep) + $92 M&IE, $280 to $347 per day. Fiscal year 2027 runs from Oct 1, 2026 to Sep 30, 2027. The standard rate for places without their own listing is $113 lodging + $68 M&IE.
How is per diem calculated on the first and last day in Seattle?
M&IE is paid at 75% on the first and last day of travel: $69 instead of $92 at the Seattle rate. Full days in between get $92. Lodging is paid per night at the rate of that night's season.
Which counties does the Seattle per diem rate cover?
The Seattle rate applies to the area GSA lists as King. Trips elsewhere in Washington use the standard rate unless that place has its own listing.
Does the Seattle per diem change by season?
Yes. Lodging is $188 per night in Nov–May and $255 per night in Oct and Jun–Sep. All 3 seasons: Oct 1–Oct 31 $255; Nov 1–May 31 $188; Jun 1–Sep 30 $255. M&IE stays $92 per day all year.
Data: GSA FY2027 per diem rates, effective Oct 1, 2026 (public domain; source gsa.gov). Last checked Sat, Oct 31, 2026. Easy Trip Expenses is not affiliated with the GSA. Results are the maximum allowance, not a guarantee of what your employer pays.