Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Question 2

Which airline has the best punctuality record on Seattle to Istanbul flights?

Accepted Answer

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.

Question 3

How often are flights from Seattle to Istanbul delayed?

Accepted Answer

About 19% of weekly flights between Seattle and Istanbul have experienced delays in the past year, with the average delay time being 141 minutes.

Question 4

What is the most punctual flight time for Seattle to Istanbul flights?

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 5

What are the cheapest airlines flying from Seattle to Istanbul round-trip?

Accepted Answer

Icelandair, at $392, was found to be the cheapest airline from Seattle to Istanbul.Alternate airlines to your destination round-trip include Scandinavian Airlines and Lufthansa. Icelandair is currently priced 60% below the average price you’ll pay for this route.

Question 6

What are the cheapest airlines to fly from Seattle to Istanbul one-way?

Accepted Answer

The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $373. However, be on the lookout for offers from KLM and Turkish Airlines, as they are both options that can get you from Seattle to Istanbul for a low price.

Question 7

How far ahead should I book a flight from Seattle to Istanbul?

Accepted Answer

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Istanbul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 8

What is the cheapest month to book a flight from Seattle to Istanbul?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Seattle to Istanbul (average of $702). Flying from Seattle to Istanbul in June is currently the most expensive (average of $1,265). 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.

Question 9

Weekly flight availability from Seattle to Istanbul

Accepted Answer

The most flights from SEA to TR5 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Istanbul ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul when rainfall is around 0.4 in.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Istanbul, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Question 12

What are the cheapest flights from Seattle to Istanbul?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $451. While the most popular route (Seattle/Tacoma Intl - Istanbul) can be booked for $720 on average, our data indicates $2,668 when flying from Seattle to Istanbul.

Question 13

What are the most popular airlines that fly from Seattle to Istanbul?

Accepted Answer

Turkish Airlines, KLM and Delta are the most popular airlines when flying from Seattle to Istanbul.

Question 14

What is the cheapest time of day to fly from SEA to IST?

Accepted Answer

When flying from Seattle to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 15

What airport do you fly from for flights from Seattle to Istanbul?

Accepted Answer

For a flight from Seattle to Istanbul, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 outbound flight to Istanbul per day. 9 airlines have flights to Istanbul from Seattle/Tacoma Intl on a regular basis.

Question 16

Can I find deals for flights from Seattle to Istanbul that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seattle to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 17

How can I find direct flights from Seattle to Istanbul?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Istanbul.

Question 18

Can I find deals for business class flights from Seattle to Istanbul?

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	June
Cheapest in	February
Average price	$1,013

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$392	Average$429	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$490	Average$696	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$515	Average$917	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$531	Average$565	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$560	Average$759	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$577	Average$888	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$609	Average$990	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$649	Average$1,059	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$660	Average$925	FlexibilityNo cancel fee	On-time68%

Cheap flights from Seattle (SEA) to Istanbul

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Best time to book a flight from Seattle to Istanbul

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Cheapflights Insights

How far ahead should I book a flight from Seattle to Istanbul?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Istanbul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Istanbul?

What is the cheapest time of day to fly from SEA to IST?

When flying from Seattle to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seattle to Istanbul

The most flights from SEA to TR5 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Seattle to Istanbul delayed?

About 19% of weekly flights between Seattle and Istanbul have experienced delays in the past year, with the average delay time being 141 minutes.

What is the most punctual flight time for Seattle to Istanbul flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seattle to Istanbul flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.

Reviews of airlines servicing Istanbul

Read through reviews of airlines operating flights from Seattle to Istanbul, such as KLM,Delta, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Seattle to Istanbul?

What are the cheapest airlines flying from Seattle to Istanbul round-trip?

What are the cheapest airlines to fly from Seattle to Istanbul one-way?

What are the cheapest flights from Seattle to Istanbul?

Can I find deals for flights from Seattle to Istanbul that include hotel bookings?

How can I find direct flights from Seattle to Istanbul?

Can I find deals for business class flights from Seattle to Istanbul?

What is the cheapest month to book a flight from Seattle to Istanbul?

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Alternative routes for Seattle to Istanbul

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Complete your trip

Complete your trip to Istanbul by adding a car rental and/or hotel reservation to your travel itinerary.

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Seattle and Istanbul flights

Browse other Seattle and Istanbul flight options. Last updated on October 1, 2026.

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