Book a free fast-track security slot via FRA SmartWay 72 hours before departure to save time at security checkpoints.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $554 (Gotogate) |
One-way from | $434 (Finnair) |
Popular in | July |
Cheapest in | March |
Average price | $741 |
Good round-trip deal | $668 or less |
Good one-way deal | $530 or less |
Fly from
Fly to
Route
Depart
Return
Price
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Mon 1/12
11:35 am-11:30 am
1 stop32h 55m
Seattle/Tacoma Intl
Tue 1/20
1:25 pm-10:00 pm
1 stop23h 35m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Mon 1/12
5:55 pm-11:30 am
1 stop26h 35m
Seattle/Tacoma Intl
Mon 1/19
6:50 pm-9:55 pm
1 stop18h 05m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Thu 1/15
7:20 am-4:55 pm
1 stop18h 35m
Seattle/Tacoma Intl
Sun 1/18
6:50 pm-10:25 am
1 stop30h 35m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Fri 1/16
7:00 am-4:55 pm
1 stop18h 55m
Seattle/Tacoma Intl
Tue 1/20
6:12 am-10:00 pm
2 stops30h 48m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Wed 1/14
7:20 am-4:55 pm
1 stop18h 35m
Seattle/Tacoma Intl
Sun 1/18
8:04 am-10:00 pm
2 stops28h 56m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Sat 2/21
8:00 am-7:34 pm
2 stops20h 34m
Seattle/Tacoma Intl
Tue 3/17
7:50 pm-7:40 pm
1 stop15h 50m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Fri 1/30
7:00 am-10:07 pm
2 stops24h 07m
Seattle/Tacoma Intl
Sun 3/1
1:57 pm-4:50 pm
2 stops17h 53m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Tue 1/13
6:55 am-8:44 pm
2 stops22h 49m
Seattle/Tacoma Intl
Tue 1/20
5:30 am-11:15 am
2 stops20h 45m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Fri 4/17
12:15 pm-4:59 pm
1 stop13h 44m
Seattle/Tacoma Intl
Tue 4/28
2:10 pm-9:20 am
Nonstop10h 10m
Frankfurt am MainSeattle
FRA - SEA
FRASEA
Frankfurt am Main
Sat 1/31
10:20 am-12:10 pm
Nonstop10h 50m
Seattle/Tacoma Intl
Mon 2/16
8:17 am-7:10 am
1 stop13h 53m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Frankfurt am Main Airport to Seattle, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of $413). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of $625). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Frankfurt am Main Airport to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.
About 21% of weekly flights between Frankfurt am Main and Seattle have experienced delays in the past year, with the average delay time being 111 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Air Antilles have had the lowest number of delays on this route, with just 9% of flights being delayed.
Reykjavik (KEF) – chosen by Cheapflights users on 67% of 1-stop itineraries from Frankfurt am Main Airport to Seattle on Cheapflights.
London (LHR) is the most affordable 1-stop option, with an average round-trip price of $622.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 12h 43m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 05m.
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Anonymous,Dec 2025
AMS - EWR
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Anonymous,Dec 2025
AMS - EWR
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Anonymous,Dec 2025
AMS - EWR
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Anonymous,Dec 2025
AMS - EWR
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Anonymous,Dec 2025
AMS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$653 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$508 | Average$714 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$524 | Average$671 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$558 | Average$703 | FlexibilityNo cancel fee | On-time69% |