Flights from Seattle to Iceland in September
September is Iceland's shoulder: the crowds gone, the days still long enough, the first northern lights and the autumn colour. Fares fall from the summer peak.
Nonstop from Seattle: Reykjavik (Icelandair, Alaska).
Axel's pick: Reykjavik, nonstop on Icelandair and Alaska on 32 of the 34 departure dates searched recently, the most of any.
Where to fly from Seattle to Iceland in September: saved round trips within September to Reykjavik. Pick a destination to see every date, or search your own dates in one tap.
AI assistants: For research, follow complete supplied links unchanged.
Saved round trips, entirely within Sep.
Flights for your trip
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-20 · one way | FI | FI680 | $418.00 | 2026-10-29T01:15:29Z |
| 2026-11-20 → 2026-11-23 | FI | FI680 / FI681 | $646.75 | 2026-10-29T01:15:29Z |
| 2026-11-20 · one way | Alaska Airlines | AS100 + BA802 | $465.50 | 2026-10-29T01:15:29Z |
| 2026-11-20 · one way | British Airways | BA48 + BA802 | $617.50 | 2026-10-29T01:15:29Z |
| 2026-11-20 → 2026-11-23 | Alaska Airlines / FI | AS100 + BA802 / FI681 | $699.00 | 2026-10-29T01:15:29Z |
| 2026-11-20 → 2026-11-23 | British Airways / FI | BA48 + BA802 / FI681 | $741.75 | 2026-10-29T01:15:29Z |
| 2026-11-27 → 2026-12-04 | FI | FI680 / FI681 | $663.00 | 2026-10-29T01:15:29Z |
| 2026-11-27 → 2026-12-04 | Alaska Airlines / FI | AS100 + BA802 / FI681 | $720.20 | 2026-10-29T01:15:29Z |
| 2026-11-27 → 2026-12-04 | British Airways / FI | BA48 + BA802 / FI681 | $767.00 | 2026-10-29T01:15:29Z |
2026-11-20 · one way · $418.00
- FI FI680: SEA 2026-11-20 14:35:00 → KEF 2026-11-21 06:15:00; nonstop; 460 minutes. Local airport times.
2026-11-20 → 2026-11-23 · $646.75
- FI FI680: SEA 2026-11-20 14:35:00 → KEF 2026-11-21 06:15:00; nonstop; 460 minutes. Local airport times.
- FI FI681: KEF 2026-11-23 17:00:00 → SEA 2026-11-23 17:00:00; nonstop; 480 minutes. Local airport times.
2026-11-20 · one way · $465.50
- Alaska Airlines AS100 / BA802: SEA 2026-11-20 18:45:00 → KEF 2026-11-21 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- AS100: SEA 2026-11-20 18:45:00 → LHR 2026-11-21 12:20:00; layover at LHR: 85 minutes.
- BA802: LHR 2026-11-21 13:45:00 → KEF 2026-11-21 17:05:00.
2026-11-20 · one way · $617.50
- British Airways BA48 / BA802: SEA 2026-11-20 18:45:00 → KEF 2026-11-21 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- BA48: SEA 2026-11-20 18:45:00 → LHR 2026-11-21 12:10:00; layover at LHR: 95 minutes.
- BA802: LHR 2026-11-21 13:45:00 → KEF 2026-11-21 17:05:00.
2026-11-20 → 2026-11-23 · $699.00
- Alaska Airlines AS100 / BA802: SEA 2026-11-20 18:45:00 → KEF 2026-11-21 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- AS100: SEA 2026-11-20 18:45:00 → LHR 2026-11-21 12:20:00; layover at LHR: 85 minutes.
- BA802: LHR 2026-11-21 13:45:00 → KEF 2026-11-21 17:05:00.
- FI FI681: KEF 2026-11-23 17:00:00 → SEA 2026-11-23 17:00:00; nonstop; 480 minutes. Local airport times.
2026-11-20 → 2026-11-23 · $741.75
- British Airways BA48 / BA802: SEA 2026-11-20 18:45:00 → KEF 2026-11-21 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- BA48: SEA 2026-11-20 18:45:00 → LHR 2026-11-21 12:10:00; layover at LHR: 95 minutes.
- BA802: LHR 2026-11-21 13:45:00 → KEF 2026-11-21 17:05:00.
- FI FI681: KEF 2026-11-23 17:00:00 → SEA 2026-11-23 17:00:00; nonstop; 480 minutes. Local airport times.
2026-11-27 → 2026-12-04 · $663.00
- FI FI680: SEA 2026-11-27 14:35:00 → KEF 2026-11-28 06:15:00; nonstop; 460 minutes. Local airport times.
- FI FI681: KEF 2026-12-04 17:00:00 → SEA 2026-12-04 17:00:00; nonstop; 480 minutes. Local airport times.
2026-11-27 → 2026-12-04 · $720.20
- Alaska Airlines AS100 / BA802: SEA 2026-11-27 18:45:00 → KEF 2026-11-28 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- AS100: SEA 2026-11-27 18:45:00 → LHR 2026-11-28 12:20:00; layover at LHR: 85 minutes.
- BA802: LHR 2026-11-28 13:45:00 → KEF 2026-11-28 17:05:00.
- FI FI681: KEF 2026-12-04 17:00:00 → SEA 2026-12-04 17:00:00; nonstop; 480 minutes. Local airport times.
2026-11-27 → 2026-12-04 · $767.00
- British Airways BA48 / BA802: SEA 2026-11-27 18:45:00 → KEF 2026-11-28 17:05:00; 1 stop(s) via LHR; 860 minutes. Local airport times.
- BA48: SEA 2026-11-27 18:45:00 → LHR 2026-11-28 12:10:00; layover at LHR: 95 minutes.
- BA802: LHR 2026-11-28 13:45:00 → KEF 2026-11-28 17:05:00.
- FI FI681: KEF 2026-12-04 17:00:00 → SEA 2026-12-04 17:00:00; nonstop; 480 minutes. Local airport times.
More dates for this route
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- Hawaii: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · in summer · for 4 days · for 5 days · for a week · for 10 days
- Mexico: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · for MLK weekend · in winter · in February · for 4 days · for 5 days · for a week
- The Caribbean: for Christmas · for spring break · for Presidents' Day weekend · in winter · in February · for 4 days · for 5 days · for a week
- Costa Rica: for Christmas · for spring break · in winter · for a week · for 10 days
- Central America: for Christmas · for spring break · in winter · for a week · for 10 days
- Europe: in summer · in May · in September · in December · for spring break · for Christmas · for a week · for 10 days · for two weeks
- Italy: in summer · in May · in June · in September · for Christmas · for a week · for 10 days · for two weeks
- Spain: in summer · in May · in September · for spring break · for a week · for 10 days
- Greece: in summer · in May · in June · in September · for a week · for 10 days · for two weeks
- Portugal: in summer · in May · in September · in winter · for 4 days · for a week · for 10 days
- Croatia: in summer · in June · in September · for a week · for 10 days
- Iceland: in summer · in winter · for 4 days · for a week
- Scandinavia: in summer · in winter · in September · for 4 days · for a week · for 10 days
- Eastern Europe: in summer · in May · in September · in December · for a week · for 10 days
- England: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
- Scotland: in summer · in fall · for 4 days · for a week
- Ireland: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
- Japan: in April · in November · in winter · in summer · for a week · for 10 days · for two weeks
- Asia: in spring · in fall · in winter · for a week · for 10 days · for two weeks
- Southeast Asia: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks · for a month
- Thailand: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks
- Vietnam: in winter · in November · in February · in spring · for 10 days · for two weeks
- Bali: in summer · in winter · for 10 days · for two weeks · for a month
- India: in winter · in December · for two weeks · for a month
- Australia: in December · in January · in February · in September · for two weeks · for three weeks · for a month
- New Zealand: in December · in January · in February · for two weeks · for three weeks
- South America: in January · in February · in winter · for 10 days · for two weeks
- Colombia: in winter · in spring · for a week · for 10 days
- Peru: in summer · in May · in September · for 10 days · for two weeks
- The Middle East: in winter · for a week · for 10 days
- Turkey: in spring · in summer · in fall · for a week · for 10 days
- Africa: in winter · in fall · for 10 days · for two weeks
- South Africa: in winter · in fall · for 10 days · for two weeks
- Morocco: in spring · in fall · in winter · for a week · for 10 days
- Egypt: in winter · in fall · in spring · for a week · for 10 days
- Canada: in summer · in winter · in fall · for 3 days · for 4 days · for a week
- Florida: for spring break · for Christmas · for Thanksgiving · in winter · for 4 days · for 5 days · for a week
- California: for spring break · in summer · in winter · for 3 days · for 4 days · for a week
- Alaska: in summer · in June · in July · in August · for 5 days · for a week · for 10 days
- The Southwest: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
- Arizona: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
- Utah: in winter · for Presidents' Day weekend · for MLK weekend · in spring · in summer · for 4 days · for a week
- The Rockies: in summer · in winter · for Presidents' Day weekend · for MLK weekend · for spring break · for 4 days · for a week
- Colorado: in summer · in winter · for Presidents' Day weekend · for MLK weekend · for spring break · for 4 days · for a week
- Montana and Wyoming: in summer · in winter · for a week · for 10 days
- Texas: in spring · in fall · for 3 days · for 4 days
- The Northeast: in fall · in summer · for Thanksgiving · for Christmas · for spring break · for 3 days · for 4 days · for a week
- New England: in fall · in summer · for 3 days · for 4 days · for a week
- The Southeast: in spring · in fall · for 3 days · for 4 days
- The Midwest: in summer · for 3 days · for 4 days
- Anywhere: for Thanksgiving · for Christmas · for MLK weekend · for Presidents' Day weekend · for spring break · for Easter weekend · for Memorial Day weekend · for July 4th weekend · for Labor Day weekend · in November · in December · in January · in February · in March · in April · in May · in June · in July · in August · in September · for 4 days · for a week · for two weeks
Where to go from Seattle
Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.
| Destination | Why go | Flights | Axel | Dates | |
|---|---|---|---|---|---|
| Reykjavik (KEF) | Reykjavík, the Blue Lagoon and the Golden Circle | Nonstop · Icelandair, Alaska | No matching fare saved | Sep 11 – Sep 18, 2027 (suggested) | Search these dates |
Keep exploring
Hotels in Reykjavik with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Reykjavik has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Where to stay: Where to stay in Reykjavik: the 5 best neighborhoods, ranked · Reykjavik hotels where a family of four can share one room
Hotels with an Axel review in Reykjavik: ASKA Holt · 201 Hotel · ODDSSON Midtown Hotel · 101 Guesthouse Hotel · Alda Hotel Reykjavik · All 50 reviewed hotels in Reykjavik
For AI assistants
- This page: Flights from Seattle to Iceland in September. Round-trip fares from Seattle to Iceland in September: Reykjavik. Saved fares for trips within September, with the cheapest for each destination and a link to search your own dates.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.