What is the cheapest airline that flies from District of Columbia to Washington?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from District of Columbia to Washington

What airlines fly to State of Washington?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to State of Washington from District of Columbia according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 9 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from District of Columbia to Washington?

Prices for flights from District of Columbia to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Washington?

As of January 2026, there are 8 operators available to choose from for flights from District of Columbia to Washington.

How old do you have to be to fly from District of Columbia to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Washington.

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$120 Cheap Flights from District of Columbia to Washington in 2026

Q: How many flights depart from District of Columbia to State of Washington on average per week?

As of January 2026, 181 flights take off from District of Columbia and land in State of Washington each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 2:16 pm

DCA

GEG

23h 16m

1 stop

12:22 pm - 1:15 pm

GEG

DCA

21h 53m

1 stop

$184Frontier

Sat, Feb 14 - Thu, Feb 19

7:05 am - 10:05 am

IAD

SEA

6h 00mnonstop

9:27 am - 5:20 pm

SEA

IAD

4h 53mnonstop

$199Alaska Airlines

Sat, Feb 14 - Sat, Feb 21

6:04 pm - 9:08 pm

IAD

SEA

6h 04mnonstop

8:30 am - 4:26 pm

SEA

IAD

4h 56mnonstop

$202Hawaiian Airlines

Sun, Feb 1 - Sat, Feb 7

5:55 pm - 8:56 pm

IAD

SEA

6h 01mnonstop

12:18 pm - 11:21 pm

SEA

IAD

8h 03m

1 stop

$205United Airlines

Wed, Feb 25 - Sun, Mar 1

6:04 pm - 9:08 pm

IAD

SEA

6h 04mnonstop

8:30 am - 4:26 pm

SEA

IAD

4h 56mnonstop

$208Hawaiian Airlines

Sun, Feb 1 - Sat, Feb 7

11:30 am - 6:29 pm

IAD

SEA

9h 59m

1 stop

10:08 pm - 8:48 am

SEA

IAD

7h 40m

1 stop

$218American Airlines

Wed, Feb 25 - Wed, Mar 4

7:30 am - 10:29 am

IAD

SEA

5h 59mnonstop

6:10 am - 6:54 pm

SEA

IAD

9h 44m

1 stop

$219Delta

Sat, Feb 14 - Sat, Feb 21

5:10 pm - 10:59 pm

IAD

SEA

8h 49m

1 stop

12:18 pm - 11:21 pm

SEA

IAD

8h 03m

1 stop

$225United Airlines

Wed, Feb 25 - Sun, Mar 1

5:00 am - 1:54 pm

IAD

PDX

11h 54m

2 stops

9:44 pm - 8:48 am

PDX

IAD

8h 04m

1 stop

$282American Airlines

Wed, Mar 4 - Wed, Mar 11

7:30 am - 11:09 pm

IAD

PSC

18h 39m

1 stop

1:00 pm - 11:10 pm

PSC

IAD

7h 10m

1 stop

$287Delta

Sat, Feb 7 - Thu, Feb 19

Frontier flights from District of Columbia to State of Washington

Our best Frontier deals on District of Columbia to State of Washington flight tickets

Frontier

Feb 14

DCA6:00 pmWashington, D.C. Reagan-National

23h 16m

1 stop

GEG2:16 pmSpokane

Feb 19

GEG12:22 pmSpokane

21h 53m

1 stop

DCA1:15 pmWashington, D.C. Reagan-National

$184

Frontier

Feb 19

DCA6:00 pmWashington, D.C. Reagan-National

19h 55m

1 stop

SEA10:55 amSeattle/Tacoma Intl

Feb 22

SEA12:00 pmSeattle/Tacoma Intl

22h 00m

1 stop

DCA1:00 pmWashington, D.C. Reagan-National

$200

Frontier

Feb 11

DCA8:00 amWashington, D.C. Reagan-National

31h 01m

1 stop

SEA12:01 pmSeattle/Tacoma Intl

Mar 1

SEA12:00 pmSeattle/Tacoma Intl

22h 00m

1 stop

DCA1:00 pmWashington, D.C. Reagan-National

$204

United Airlines flights from District of Columbia to State of Washington

Our best United Airlines deals on District of Columbia to State of Washington flight tickets

United Airlines

Feb 25

IAD5:55 pmWashington, D.C. Dulles Intl

6h 01m

SEA8:56 pmSeattle/Tacoma Intl

Mar 1

SEA12:18 pmSeattle/Tacoma Intl

8h 03m

1 stop

IAD11:21 pmWashington, D.C. Dulles Intl

$205

United Airlines

Feb 14

IAD5:55 pmWashington, D.C. Dulles Intl

6h 01m

SEA8:56 pmSeattle/Tacoma Intl

Feb 22

SEA11:59 pmSeattle/Tacoma Intl

8h 51m

1 stop

IAD11:50 amWashington, D.C. Dulles Intl

$219

United Airlines

Feb 25

IAD5:10 pmWashington, D.C. Dulles Intl

8h 49m

1 stop

SEA10:59 pmSeattle/Tacoma Intl

Mar 1

SEA12:18 pmSeattle/Tacoma Intl

8h 03m

1 stop

IAD11:21 pmWashington, D.C. Dulles Intl

$225

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Sat 2/14

6:00 pm-2:16 pm

1 stop23h 16m

Spokane

Thu 2/19

12:22 pm-1:15 pm

1 stop21h 53m

$184

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-10:05 am

Nonstop6h 00m

Seattle/Tacoma Intl

Sat 2/21

9:27 am-5:20 pm

Nonstop4h 53m

$199

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-9:08 pm

Nonstop6h 04m

Seattle/Tacoma Intl

Sat 2/7

8:30 am-4:26 pm

Nonstop4h 56m

$202

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/25

5:55 pm-8:56 pm

Nonstop6h 01m

Seattle/Tacoma Intl

Sun 3/1

12:18 pm-11:21 pm

1 stop8h 03m

$205

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-9:08 pm

Nonstop6h 04m

Seattle/Tacoma Intl

Sat 2/7

8:30 am-4:26 pm

Nonstop4h 56m

$208

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/25

11:30 am-6:29 pm

1 stop9h 59m

Seattle/Tacoma Intl

Wed 3/4

10:08 pm-8:48 am

1 stop7h 40m

$218

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 2/14

7:30 am-10:29 am

Nonstop5h 59m

Seattle/Tacoma Intl

Sat 2/21

6:10 am-6:54 pm

1 stop9h 44m

$219

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/25

5:10 pm-10:59 pm

1 stop8h 49m

Seattle/Tacoma Intl

Sun 3/1

12:18 pm-11:21 pm

1 stop8h 03m

$225

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 3/4

5:00 am-1:54 pm

2 stops11h 54m

Portland

Wed 3/11

9:44 pm-8:48 am

1 stop8h 04m

$282

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 2/7

7:30 am-11:09 pm

1 stop18h 39m

Pasco Tri Cities

Thu 2/19

1:00 pm-11:10 pm

1 stop7h 10m

$287

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 District of Columbia 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 September is, on average, the cheapest month to fly to State of Washington from District of Columbia, with most prices found around $329. If you aren’t able to travel to State of Washington during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $345.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from District of Columbia to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $433. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to State of Washington for around $572.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $427. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $501 on average. Flights to State of Washington from District of Columbia in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest District of Columbia to Washington flight route?

Fly from Washington, D.C. Reagan-National to Seattle/Tacoma Intl for the best District of Columbia - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $387 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 District of Columbia for as low as $316 on momondo.

What cabin class options are available on District of Columbia to Washington flights?

There are 4 cabin classes available to choose from on District of Columbia to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to State of Washington flights?

You could potentially save up to 8% on your flight if you consider stops on a District of Columbia to State of Washington flight.

Cheap District of Columbia to State of Washington flight deals and tips

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

Best Price Found	$185
Fastest flight time	5h 35m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from District of Columbia in the past 72 hours is $185. The best round-trip flight deal from District of Columbia to State of Washington found on momondo in the last 72 hours is $275.

The fastest flight from District of Columbia to State of Washington takes 5h 35m

Direct flights go from District of Columbia to State of Washington every day.

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

Search flight deals

When did momondo last update prices for flights from District of Columbia to Washington?
Prices for flights from District of Columbia to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Washington?
As of January 2026, there are 8 operators available to choose from for flights from District of Columbia to Washington.
How old do you have to be to fly from District of Columbia to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from District of Columbia to State of Washington?
Based on momondo bookings for flights between District of Columbia and State of Washington, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 21.84% of the total bookings. Other popular models include Boeing 737 with 17.81%, Boeing 737 MAX 9 with 12.78%, and Boeing 737 MAX 8 with 11.39%.

Best airlines flying from District of Columbia to State of Washington

Compare and see reviews for airlines that fly from District of Columbia to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $111	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $125	Free Cancellation	Rating 6.3 8,303 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $149	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $177	Free Cancellation	Rating 7.9 8,039 reviews	Search Delta flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,114 reviews	Search American Airlines flights
Southwest	PriceFrom $218	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,149 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $244	Free Cancellation	Rating 8.0 11,696 reviews	Search Alaska Airlines flights
Sun Country Air	PriceFrom $313	Free Cancellation	Rating 6.9 341 reviews	Search Sun Country Air flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to Washington for you.

Can I find flights from District of Columbia to Washington with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Washington?

Once you have performed a search for District of Columbia to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from District of Columbia and alert you when they change.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Washington

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $33

Flights to Chicagofrom $58

Flights to Orlandofrom $37

Flights to San Franciscofrom $48

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $57

Flights to Bostonfrom $59

Flights to Atlantafrom $49

Flights to Dallasfrom $40

Flights to Seattlefrom $54

District of Columbia flight routes

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Tampa

Flights from Washington, D.C. Reagan-National to Denver Intl

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Flights from Washington, D.C. Dulles Intl to Blountville Tri Cities TN/VA

Cheap flights from District of Columbia to Washington from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Washington departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from District of Columbia to Washington

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from District of Columbia to State of Washington

Our best Frontier deals on District of Columbia to State of Washington flight tickets

United Airlines flights from District of Columbia to State of Washington

Our best United Airlines deals on District of Columbia to State of Washington flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Washington that are best for you.

See travel insights to Washington from

How to get the cheapest flight ticket from District of Columbia to State of Washington

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

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest District of Columbia to Washington flight route?

Fly from Washington, D.C. Reagan-National to Seattle/Tacoma Intl for the best District of Columbia - Washington flight prices

How far in advance should I book a flight to State of Washington?

What cabin class options are available on District of Columbia to Washington flights?

There are 4 cabin classes available to choose from on District of Columbia to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to State of Washington flights?

You could potentially save up to 8% on your flight if you consider stops on a District of Columbia to State of Washington flight.

What is the cheapest airline that flies from District of Columbia to Washington?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from District of Columbia to Washington

What airlines fly to State of Washington?

How many flights depart from District of Columbia to State of Washington on average per day?

As of January 2026, there are 25 flights per day flying from District of Columbia to State of Washington. The most common time of day flights depart is 5:00PM, with 40% of flights taking off in the afternoon.

How many flights depart from District of Columbia to State of Washington on average per week?

As of January 2026, 181 flights take off from District of Columbia and land in State of Washington each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

Cheap District of Columbia to State of Washington flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from District of Columbia to Washington?

How many operators does momondo search for flights from District of Columbia to Washington?

How old do you have to be to fly from District of Columbia to Washington?

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

What is the most popular plane model from District of Columbia to State of Washington?

Best airlines flying from District of Columbia to State of Washington

Compare and see reviews for airlines that fly from District of Columbia to State of Washington with momondo

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Washington?

Can I find flights from District of Columbia to Washington with flexible booking policies on momondo?

How can momondo help me find flights from District of Columbia to Washington?

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

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo