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EYW - IAD

$102 Find Cheap Flights from Key West to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$225
Typical prices: $348-$722
Multiple Airlines
Fri 11/16Mon 11/19
EYW - IAD • 1 stop
Cheapest non-stop
$443
Typical prices: $279-$767
United Airlines
Fri 3/23Fri 3/30
EYW - IAD • Non-stop
Nonstop flights
Not available
There are currently no direct flights between Key West and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 54% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $248 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 4h 54m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Expert advice
Flight Deals

Cheap Flights from Key West to Dulles Intl (EYW-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Key West to Dulles Intl

Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
9:20 am - 10:21 amEYW  Key West-IAD Washington, D.C. Dulles Intl
25h 01m1 stop Orlando Sanford Intl
Multiple Airlines Logo
9:06 pm - 3:16 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
18h 10m2 stops Atlanta Hartsfield-Jackson Tampa
$225Multiple Airlines
Tue, Oct 20 - Thu, Oct 22
Multiple Airlines Logo
1:16 pm - 12:21 amEYW  Key West-IAD Washington, D.C. Dulles Intl
11h 05m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:01 am - 9:04 amIAD  Washington, D.C. Dulles Intl-EYW Key West
23h 03m1 stop Knoxville McGhee Tyson
$227Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
9:20 am - 10:21 amEYW  Key West-IAD Washington, D.C. Dulles Intl
25h 01m1 stop Orlando Sanford Intl
Multiple Airlines Logo
11:16 am - 10:19 amIAD  Washington, D.C. Dulles Intl-EYW Key West
23h 03m1 stop Orlando
$240Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
10:59 am - 10:17 amEYW  Key West-IAD Washington, D.C. Dulles Intl
23h 18m1 stop Orlando
Multiple Airlines Logo
9:06 pm - 10:19 amIAD  Washington, D.C. Dulles Intl-EYW Key West
37h 13m2 stops Atlanta Hartsfield-Jackson Orlando
$270Multiple Airlines
Tue, Mar 23 - Tue, Mar 30
American Airlines Logo
2:06 pm - 8:30 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
6h 24m1 stop Charlotte Douglas
American Airlines Logo
5:00 am - 11:20 amIAD  Washington, D.C. Dulles Intl-EYW Key West
6h 20m1 stop Charlotte Douglas
$359American Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
12:01 pm - 12:50 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
24h 49m1 stop Tampa
Multiple Airlines Logo
9:06 pm - 9:24 amIAD  Washington, D.C. Dulles Intl-EYW Key West
36h 18m2 stops Atlanta Hartsfield-Jackson Tampa
$374Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Delta Logo
2:00 pm - 9:20 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
7h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 10:47 amIAD  Washington, D.C. Dulles Intl-EYW Key West
4h 47m1 stop Atlanta Hartsfield-Jackson
$384Delta
Fri, Oct 16 - Tue, Oct 20
American Airlines Logo
4:45 pm - 11:58 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
7h 13m1 stop Charlotte Douglas
American Airlines Logo
6:15 am - 1:35 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
7h 20m1 stop Charlotte Douglas
$409American Airlines
Tue, Mar 23 - Tue, Mar 30
United Airlines Logo
2:30 pm - 8:33 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
6h 03m1 stop Newark
United Airlines Logo
1:00 pm - 4:22 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
3h 22mnonstop
$441United Airlines
Tue, Mar 23 - Tue, Mar 30
United Airlines Logo
6:20 pm - 9:09 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
2h 49mnonstop
United Airlines Logo
1:00 pm - 4:22 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
3h 22mnonstop
$443United Airlines
Booking Insights

Price, demand and travel trends for Key West to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Key West to Washington, D.C. Dulles Intl Airport?

American Airlines ($359) and Delta ($384) are the cheapest airlines to fly round-trip from Key West to Washington, D.C. Dulles Intl Airport according to KAYAK data over the last 5 days.

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Expert advice

Expert advice for your flight from Key West to Dulles Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Paul Rubio

Paul Rubio

Expert on EYW

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more

Key details for Key West to Washington, D.C. Dulles Intl Airport flights

Low season

October

Cheapest flight

$102
Beat the crowds with an average 59% drop in travelers.
The most popular month to fly with an average 64% increase in travelers.
One-way flight from Key West to Washington, D.C. Dulles Intl Airport

When to book flights from Key West to Dulles Intl

Are your dates flexible? Find out the best times to travel from Key West to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Key West to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Key West to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from Key West to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 1:35 pm and lands at 4:15 pm
    • Latest: departs at 1:35 pm and lands at 4:15 pm.

    The flight takes about 2h 40m.

  • What cabin classes can I book on flights from Key West to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Key West to Washington, D.C. Dulles Intl Airport.

  • How long is a flight from Key West to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Key West to Washington, D.C. Dulles Intl Airport takes 2h 40m, covering 1,025 miles.

  • Do I need a passport to fly from Key West to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Key West to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Key West to Washington, D.C. Dulles Intl Airport range from $348 to $722, with an average of $537 over the past 12 months. Anything below $348 counts as a good deal.

  • How much can I save by taking a layover when flying from Key West to Washington, D.C. Dulles Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Newark (EWR), compared to $441 for nonstop.

  • What is the standard checked-bag allowance on flights from Key West to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$40 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Key West to Washington, D.C. Dulles Intl Airport?

    The Embraer 175 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

  • How are flight prices from Key West to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Key West to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $124, which is 69% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Key West to Washington, D.C. Dulles Intl Airport?

    Flights from Key West to Washington, D.C. Dulles Intl Airport usually depart from Key West (EYW) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Key West to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Key West to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 64% of one-stop connections
    • Charlotte Douglas (CLT) - 29% of one-stop connections
    • Newark (EWR) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Key West to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 78% on flights from Key West to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $300 round-trip on average, while Sunday is the most expensive at $1,345, a difference of $1,045.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Key West to Washington, D.C. Dulles Intl Airport?

    Only United Airlines operates flights between Key West and Washington, D.C. Dulles Intl Airport.

  • How much time can I save by choosing a different layover airport from Key West to Washington, D.C. Dulles Intl Airport?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 54m, compared with 5h 49m via Charlotte Douglas (CLT) and 8h 12m via Newark (EWR).

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Key West to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $300, about $1,045 less than Sunday fares (78% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Key West to Washington, D.C. Dulles Intl Airport trip for October. Fares historically average $248 round-trip in that month - typically $1,220 less than the most expensive month, which is January (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Newark Airport (EWR) can be cheaper than flying direct. The cheapest layover option averages $248 round-trip on this route - about $192 less than direct flights (based on the last 12 months).

Prefer to fly direct from Key West to Washington Dulles Airport?

 
Find which airlines fly direct from Key West Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Key West to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Key West

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Key West to Dulles Intl

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