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£61+ Cheap flights from Seattle

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — LHR
25 Mar — 1 Apr1
1 adult

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 20 March 2025.

Cheapest one-way flight

£184

Cheapest round-trip flight

£310

Cheapest airline

Spirit Airlines

Most popular destination

Reykjavik Keflavik Intl (KEF)

Good round-trip deal

£42 or less

Good one-way deal

£51 or less
The cheapest one-way flight from Seattle/Tacoma Intl is currently to Reykjavik Keflavik Intl.
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The cheapest round-trip flight from Seattle/Tacoma Intl is currently to Reykjavik Keflavik Intl.
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On average, Spirit Airlines currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of £87).
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Reykjavik Keflavik Intl (KEF) is currently the most popular flight destination from Seattle/Tacoma Intl (average return price of £224).
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Price to beat on a round-trip flight from Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl.
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Find flights from Seattle

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 20 March 2025.

Sat 3/507:11SEA - JFK
Nonstop5h 37mDelta
Sat 10/517:00JFK - SEA
Nonstop6h 23mDelta
Deal found 19/3£198
Sat 10/521:33SEA - JFK
Nonstop5h 27mHawaiian Airlines
Tue 13/510:00JFK - SEA
1 stop11h 59mHawaiian Airlines
Deal found 20/3£203
Sat 3/514:35SEA - JFK
Nonstop5h 24mAlaska Airlines
Sat 10/520:08JFK - SEA
1 stop14h 57mAlaska Airlines
Deal found 19/3£206
Fri 6/621:30SEA - JFK
Nonstop5h 25mJetBlue
Sun 15/617:00JFK - SEA
Nonstop6h 33mJetBlue
Deal found 20/3£244
Fri 2/500:59SEA - JFK
1 stop9h 30mAmerican Airlines
Sat 10/515:29JFK - SEA
1 stop10h 32mAmerican Airlines
Deal found 19/3£260
Thu 17/423:50SEA - JFK
1 stop7h 33mSun Country Air
Sat 19/411:21JFK - SEA
1 stop9h 38mSun Country Air
Deal found 19/3£304
Wed 23/415:45SEA - MAN
2 stops18h 15mMultiple Airlines
Tue 6/520:40MAN - SEA
2 stops31h 48mMultiple Airlines
Deal found 20/3£440
Sat 26/419:00SEA - MAN
1 stop32h 40mIcelandair
Thu 1/513:05MAN - SEA
1 stop12h 45mIcelandair
Deal found 19/3£441
Sun 27/415:45SEA - STN
2 stops19h 25mMultiple Airlines
Sun 4/508:15STN - SEA
3 stops37h 54mMultiple Airlines
Deal found 19/3£452
Wed 3/923:30SEA - LHR
1 stop28h 25mIcelandair
Wed 1/1021:25LHR - SEA
1 stop31h 15mIcelandair
Deal found 19/3£452
Sat 26/415:45SEA - LGW
1 stop14h 45mIcelandair
Wed 30/415:40LGW - SEA
1 stop13h 00mIcelandair
Deal found 20/3£453
Mon 7/415:05SEA - LHR
1 stop14h 15mAir Canada
Wed 23/414:10LHR - SEA
1 stop12h 18mAir Canada
Deal found 18/3£453

Find flights from Seattle within your budget

Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 March 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Sat 3/5

07:11-15:48

Nonstop5h 37m

New York John F Kennedy Intl

Sat 10/5

17:00-20:23

Nonstop6h 23m

£198

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Sat 10/5

21:33-06:00

Nonstop5h 27m

New York John F Kennedy Intl

Tue 13/5

10:00-18:59

1 stop11h 59m

£203

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Sat 3/5

14:35-22:59

Nonstop5h 24m

New York John F Kennedy Intl

Sat 10/5

20:08-08:05

1 stop14h 57m

£206

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Fri 6/6

21:30-05:55

Nonstop5h 25m

New York John F Kennedy Intl

Tue 10/6

16:55-20:13

Nonstop6h 18m

£244

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Fri 2/5

00:59-13:29

1 stop9h 30m

New York John F Kennedy Intl

Sat 10/5

15:29-23:01

1 stop10h 32m

£260

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Thu 17/4

23:50-10:23

1 stop7h 33m

New York John F Kennedy Intl

Thu 24/4

11:21-10:32

1 stop26h 11m

£304

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 23/4

15:45-18:00

2 stops18h 15m

Manchester

Tue 6/5

20:40-20:28

2 stops31h 48m

£440

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 26/4

19:00-11:40

1 stop32h 40m

Manchester

Thu 1/5

13:05-17:50

1 stop12h 45m

£441

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 6/4

15:05-13:20

1 stop14h 15m

London Heathrow

Tue 22/4

14:10-18:28

1 stop12h 18m

£452

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 27/4

15:45-19:10

2 stops19h 25m

London Stansted

Sun 4/5

08:15-14:09

3 stops37h 54m

£452

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 results
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Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seattle?

Use this chart to determine the optimal time to book a return flight from Seattle to Heathrow. Price data was last updated on 14 March 2025.

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. 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?

Currently, November is the cheapest month in which you can book a flight from Seattle (average of £374). Flying from Seattle in June will prove the most costly (average of £672). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seattle?

Many airlines operate round-trip flights from Seattle: Virgin Atlantic, British Airways, Icelandair, KLM. These airlines fly to the following popular destinations: London.

Alaska Airlines

Alaska Airlines

From £85

Virgin Atlantic

Virgin Atlantic

From £599

British Airways

British Airways

From £526

Icelandair

Icelandair

From £484

What are popular destinations to fly to from Seattle?

If you’re flying from Seattle, these routes are more frequently taken by airlines Los Angeles (350 flights per day), San Francisco (333 flights per day) and Vancouver (236 flights per day).

London

London

From £389

Los Angeles

Los Angeles

From £54

Paris

Paris

From £507

New York

New York

From £178

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Los Angeles, with prices starting at £42. Explore other affordable destinations below.

Los Angeles

Los Angeles

From £54

Phoenix Sky Harbor Intl

Phoenix Sky Harbor Intl

From £67

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

From £75

Boise Air Term. Gowen Fld

Boise Air Term. Gowen Fld

From £77

Airline reviews for flights from Seattle

Get insights into the airlines that provide service from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,896 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,567 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,609 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 March 2025.

  • What are the most popular destinations to fly to from Seattle?

    This month, the top selected destinations from Seattle are Bangkok Suvarnabhumi Airport, Boston, Mumbai. Throughout the year, Boston, Mumbai, Bangkok Suvarnabhumi Airport are some of the top choices made by users flying from Seattle.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as £42 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for £558 to fly from Seattle.

  • What are the cheapest airlines flying from Seattle to anywhere?

    Over the past few days, we've found that Spirit Airlines, Alaska Airlines, and Delta have the cheapest prices from Seattle. Spirit Airlines flights from Seattle to Las Vegas Harry Reid Intl (£44), Alaska Airlines flights from Seattle to Anchorage (£66), and Delta flights from Seattle to Denver Intl (£68).

  • What is the cheapest premium economy flight from Seattle?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Seattle.
    Seattle/Tacoma Intl to San Diego from £283
    Seattle/Tacoma Intl to Bozeman from £291
    Seattle/Tacoma Intl to San Francisco from £354
    Seattle/Tacoma Intl to Kahului from £413

  • What is the cheapest first class flight from Seattle?

    If you’re looking for a cheap first-class flight from Seattle, consider Palm Springs. Prices start at £299 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Seattle?

    At the present moment the cheapest month to fly from Seattle is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Seattle?

    Check out the cheapest flights from Seattle to embark to:
    Travel from Seattle to Manchester from £407 round trip
    Travel from Seattle to London from £417 round trip
    Travel from Seattle to Glasgow from £463 round trip
    Travel from Seattle to Edinburgh from £518 round trip

  • How does Cheapflights help users find flights from Seattle?

    Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Seattle?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Seattle with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Not ready to book yet? You can track prices for flights from Seattle on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle?

Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Seattle on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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