What is the cheapest airline that flies from Florida Keys to Washington?

Delta, Southwest, and Frontier are the most popular carriers operating from Florida Keys to Washington

How many flights depart from Florida Keys to State of Washington on average per week?

As of May 2026, there are 39 flights per week flying from Florida Keys to State of Washington. The most common day of the week flights depart is Sat, with 18% of flights taking off on this day.

When did momondo last update prices for flights from Florida Keys to Washington?

Prices for flights from Florida Keys to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from Florida Keys to Washington?

There are 8 operators available for flights from Florida Keys to Washington as of May 2026.

How old do you have to be to fly from Florida Keys to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Florida Keys to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$109 Cheap Flights from Florida Keys to Washington in 2026

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Find the cheapest flights from Florida Keys to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:17 pm - 11:54 pm

MIA

PDX

8h 37m

1 stop

12:33 am - 1:44 pm

PDX

MIA

10h 11m

1 stop

$217Delta

Wed, Jul 8 - Fri, Jul 10

4:00 pm - 11:30 pm

MIA

PDX

10h 30m

1 stop

11:30 pm - 3:45 pm

PDX

MIA

13h 15m

1 stop

$222Southwest

Wed, Jul 8 - Mon, Jul 13

4:45 pm - 11:30 pm

MIA

PDX

9h 45m

1 stop

11:15 pm - 10:22 am

PDX

MIA

8h 07m

1 stop

$237American Airlines

Fri, Jul 24 - Mon, Jul 27

4:50 pm - 11:46 pm

MIA

PDX

9h 56m

1 stop

10:59 pm - 10:20 am

PDX

MIA

8h 21m

1 stop

$284American Airlines

Sat, Jun 20 - Sat, Jun 27

6:20 pm - 11:59 pm

MIA

GEG

8h 39m

1 stop

5:52 am - 5:19 pm

GEG

MIA

8h 27m

1 stop

$307Alaska Airlines

Tue, Aug 18 - Wed, Aug 19

6:20 pm - 11:59 pm

MIA

GEG

8h 39m

1 stop

5:52 am - 5:19 pm

GEG

MIA

8h 27m

1 stop

$309Alaska Airlines

Tue, Aug 18 - Wed, Aug 19

6:00 am - 9:17 am

MIA

SEA

30h 17m

1 stop

8:53 pm - 6:30 am

SEA

MIA

30h 37m

1 stop

$328Frontier

Sun, Jul 5 - Sun, Jul 12

7:20 am - 12:27 am

MIA

SEA

20h 07m

1 stop

7:00 am - 5:48 am

SEA

MIA

19h 48m

1 stop

$329Frontier

Wed, Sep 16 - Wed, Sep 30

2:26 pm - 9:48 pm

EYW

PDX

10h 22m

1 stop

10:52 pm - 1:30 pm

PDX

EYW

11h 38m

1 stop

$449United Airlines

Thu, Jun 4 - Sat, Jun 6

2:26 pm - 11:44 pm

EYW

SEA

12h 18m

1 stop

11:00 pm - 1:30 pm

SEA

EYW

11h 30m

1 stop

$494United Airlines

Wed, Jul 15 - Thu, Jul 23

Frontier flights from Florida Keys to State of Washington

Our best Frontier deals on Florida Keys to State of Washington flight tickets

Frontier

Jul 5

MIA6:00 amMiami

30h 17m

1 stop

SEA9:17 amSeattle/Tacoma Intl

Jul 12

SEA8:53 pmSeattle/Tacoma Intl

30h 37m

1 stop

MIA6:30 amMiami

$328

Frontier

Jun 3

MIA6:30 amMiami

30h 36m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 8

SEA7:50 pmSeattle/Tacoma Intl

22h 08m

2 stops

MIA8:58 pmMiami

$330

Frontier

Jul 13

MIA6:00 amMiami

8h 20m

1 stop

SEA11:20 amSeattle/Tacoma Intl

Jul 20

SEA7:06 pmSeattle/Tacoma Intl

7h 45m

1 stop

MIA5:51 amMiami

$331

American Airlines flights from Florida Keys to State of Washington

Our best American Airlines deals on Florida Keys to State of Washington flight tickets

American Airlines

Jul 24

MIA4:45 pmMiami

9h 45m

1 stop

PDX11:30 pmPortland

Jul 27

PDX11:15 pmPortland

8h 07m

1 stop

MIA10:22 amMiami

$237

American Airlines

Jun 20

MIA4:50 pmMiami

9h 56m

1 stop

PDX11:46 pmPortland

Jun 27

PDX10:59 pmPortland

8h 21m

1 stop

MIA10:20 amMiami

$284

American Airlines

Jun 26

MIA5:11 pmMiami

8h 58m

1 stop

GEG11:09 pmSpokane

Jun 29

GEG6:30 amSpokane

10h 53m

1 stop

MIA8:23 pmMiami

$339

momondo Fare Finder

Use the filters below to find and compare flights from Florida Keys to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiPortland

MIA - PDX

MIAPDX

Miami

Wed 7/8

6:17 pm-11:54 pm

1 stop8h 37m

Portland

Fri 7/10

12:33 am-1:44 pm

1 stop10h 11m

$217

MiamiPortland

MIA - PDX

MIAPDX

Miami

Wed 7/8

4:00 pm-11:30 pm

1 stop10h 30m

Portland

Mon 7/13

11:30 pm-3:45 pm

1 stop13h 15m

$222

MiamiPortland

MIA - PDX

MIAPDX

Miami

Fri 7/24

4:45 pm-11:30 pm

1 stop9h 45m

Portland

Mon 7/27

11:15 pm-10:22 am

1 stop8h 07m

$237

MiamiPortland

MIA - PDX

MIAPDX

Miami

Sat 6/20

4:50 pm-11:46 pm

1 stop9h 56m

Portland

Sat 6/27

10:59 pm-10:20 am

1 stop8h 21m

$284

Quickest round-trip

MiamiSpokane

MIA - GEG

MIAGEG

Miami

Tue 8/18

6:20 pm-11:59 pm

1 stop8h 39m

Spokane

Wed 8/19

5:52 am-5:19 pm

1 stop8h 27m

$307

MiamiSpokane

MIA - GEG

MIAGEG

Miami

Tue 8/18

6:20 pm-11:59 pm

1 stop8h 39m

Spokane

Wed 8/19

5:52 am-5:19 pm

1 stop8h 27m

$309

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sun 7/5

6:00 am-9:17 am

1 stop30h 17m

Seattle/Tacoma Intl

Sun 7/12

8:53 pm-6:30 am

1 stop30h 37m

$328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 9/16

7:20 am-12:27 am

1 stop20h 07m

Seattle/Tacoma Intl

Wed 9/30

7:00 am-5:48 am

1 stop19h 48m

$329

Key WestPortland

EYW - PDX

EYWPDX

Key West

Thu 6/4

2:26 pm-9:48 pm

1 stop10h 22m

Portland

Sat 6/6

10:52 pm-1:30 pm

1 stop11h 38m

$449

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Wed 7/15

2:26 pm-11:44 pm

1 stop12h 18m

Seattle/Tacoma Intl

Thu 7/23

11:00 pm-1:30 pm

1 stop11h 30m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Florida Keys to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Florida Keys, with most prices found around $92. If you aren’t able to travel to State of Washington during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $98.

How far in advance should I book a flight from Florida Keys to Washington?

You are more likely to see cheaper flights to State of Washington from Florida Keys when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $362 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Florida Keys for as low as $313 on momondo.

Can stopping save me money on Florida Keys to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Florida Keys to State of Washington.

Cheap Florida Keys to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Florida Keys to State of Washington

Fastest flight time	6h 30m
Direct flights	Every day
Airports in State of Washington	96 airports

The fastest flight from Florida Keys to State of Washington takes 6h 30m

Direct flights go from Florida Keys to State of Washington every day.

There are 96 airports in State of Washington. From Florida Keys there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Florida Keys to Washington

When did momondo last update prices for flights from Florida Keys to Washington?
Prices for flights from Florida Keys to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Florida Keys to Washington?
There are 8 operators available for flights from Florida Keys to Washington as of May 2026.
How old do you have to be to fly from Florida Keys to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Florida Keys to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Florida Keys to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Florida Keys to State of Washington is Boeing 737-800 Passenger/BBJ2 (winglets), representing 15.41% of all bookings. The subsequent popular models are Airbus A321neo at 15.04%, Boeing 737-900 at 10.27%, and Boeing 737 MAX 8 at 8.54%.

Best airlines flying from Florida Keys to State of Washington

Compare and see reviews for airlines that fly from Florida Keys to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.1 11,639 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Florida Keys to Washington?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Florida Keys to Washington. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Florida Keys to Washington with flexible booking policies on momondo?

Flights from Florida Keys to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Florida Keys to Washington?

momondo provides multiple filters to help you find the best flight to Washington from Florida Keys. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Florida Keys to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Florida Keys. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.