What are the cheapest airlines flying from Appleton to Washington, D.C. round-trip?

Cheapflights users have booked flights from Appleton to Washington, D.C. round-trip from $249. Other airlines that can offer you cheap pricing are Delta, from $249, and United Airlines, from $253. You may be able to fly from Appleton to Washington, D.C. for 22% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Appleton to Washington, D.C. one-way?

One-way options have recently been found by users for as low as $149 on American Airlines. Other airlines that offer cheap prices include Delta from $159 and United Airlines from $190 one-way.

What is the cheapest day to fly from Appleton to Washington, D.C.?

Travelers seeking maximum savings on their Appleton to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Appleton to Washington, D.C.?

Most travelers choose Appleton Intl - Washington, D.C. Dulles Intl, Appleton Intl - Baltimore/Washington or Appleton Intl - Washington, D.C. Reagan-National when deciding on the best route from Appleton to Washington, D.C..

What are the most popular airlines that fly from Appleton to Washington, D.C.?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Appleton to Washington, D.C..

What is the cheapest day to fly round-trip from Appleton to Washington, D.C.?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 42% on the overall cost on flights from Appleton to Washington, D.C..

What is the cheapest month to fly from Appleton to Washington, D.C.?

November is one of the best times of the year to fly to Washington, D.C. from Appleton. Prices for November average $322 per person but you can even find prices for as low as $242. The most expensive prices can be found in the month of October. Opting for a November flight can save you 26% on your journey compared to booking in October

What is the cheapest time of day to fly from ATW to WAS?

A simple way to save on the total cost of your ticket is to fly from Appleton to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

What airport do you fly from for flights from Appleton to Washington, D.C.?

Appleton Intl (ATW) is the airport you will fly out of if you book a flight from Appleton to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Appleton Intl; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Appleton airport to Washington, D.C.. It is only a 5.1 mi journey to Appleton Intl (ATW) from Appleton’s city center.

Can I find deals for flights from Appleton to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Appleton to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Appleton to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Appleton to Washington, D.C..

Can I find deals for business class flights from Appleton to Washington, D.C.?

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

$149+ Flights from Appleton to Washington, D.C.

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Cheap flight deals from Appleton to Washington, D.C.

Round-trip from	$249 (American Airlines)
One-way from	$149 (American Airlines)
Popular in	October
Cheapest in	November
Average price	$333

From Appleton Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Appleton Intl to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Appleton to Washington, D.C.

Cheapest flights from Appleton to Washington, D.C.
Explore the most affordable flight options available from Appleton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

jue. 8/286:35 pmATW - DCA

1 stop4h 15mAmerican Airlines

mar. 9/26:00 pmDCA - ATW

1 stop5h 14mAmerican Airlines

Deal found 6/11

$249

mié. 8/66:07 pmATW - IAD

1 stop3h 48mDelta

lun. 8/115:25 pmIAD - ATW

1 stop6h 28mDelta

Deal found 6/11

$249

sáb. 8/307:00 amATW - BWI

1 stop3h 38mDelta

sáb. 9/64:39 pmBWI - ATW

1 stop7h 14mDelta

Deal found 6/11

$249

mar. 7/293:45 pmATW - DCA

1 stop4h 17mUnited Airlines

dom. 8/35:00 pmDCA - ATW

1 stop5h 35mUnited Airlines

Deal found 6/12

$253

sáb. 8/301:15 pmATW - IAD

1 stop5h 27mAmerican Airlines

sáb. 9/62:21 pmIAD - ATW

2 stops9h 04mAmerican Airlines

Deal found 6/11

$254

sáb. 8/301:15 pmATW - BWI

1 stop6h 50mAmerican Airlines

sáb. 9/611:04 amBWI - ATW

2 stops7h 44mAmerican Airlines

Deal found 6/11

$254

mar. 7/18:00 amATW - IAD

1 stop4h 49mUnited Airlines

dom. 7/68:30 amIAD - ATW

1 stop4h 48mUnited Airlines

Deal found 6/12

$259

jue. 8/145:34 amATW - DCA

1 stop6h 06mDelta

dom. 8/176:00 amDCA - ATW

1 stop5h 28mDelta

Deal found 6/10

$269

jue. 7/38:00 amATW - BWI

1 stop4h 48mUnited Airlines

dom. 7/66:15 amBWI - ATW

1 stop7h 03mUnited Airlines

Deal found 6/10

$271

vie. 7/49:02 amATW - BWI

1 stop5h 44mMultiple Airlines

mar. 7/88:38 pmBWI - ATW

3 stops20h 09mMultiple Airlines

Deal found 6/11

$292

jue. 10/99:00 amATW - IAD

1 stop28h 15mAllegiant Air

dom. 10/1210:08 amIAD - ATW

1 stop28h 36mAllegiant Air

Deal found 6/12

$306

mar. 7/157:00 amATW - IAD

3 stops27h 20mMultiple Airlines

mié. 7/165:40 pmIAD - ATW

3 stops19h 35mMultiple Airlines

Deal found 6/11

$364

Best flights from Appleton to Washington, D.C.
Discover carefully curated flight deals from Appleton to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

jue. 8/286:35 pmATW - DCA

1 stop4h 15mAmerican Airlines

mar. 9/26:00 pmDCA - ATW

1 stop5h 14mAmerican Airlines

Deal found 6/11

$249

mié. 8/66:07 pmATW - IAD

1 stop3h 48mDelta

lun. 8/115:25 pmIAD - ATW

1 stop6h 28mDelta

Deal found 6/11

$249

mar. 7/293:45 pmATW - DCA

1 stop4h 17mUnited Airlines

dom. 8/35:00 pmDCA - ATW

1 stop5h 35mUnited Airlines

Deal found 6/12

$253

vie. 7/49:02 amATW - BWI

1 stop5h 44mMultiple Airlines

mar. 7/88:38 pmBWI - ATW

3 stops20h 09mMultiple Airlines

Deal found 6/11

$292

jue. 10/99:00 amATW - IAD

1 stop28h 15mAllegiant Air

dom. 10/1210:08 amIAD - ATW

1 stop28h 36mAllegiant Air

Deal found 6/12

$306

sáb. 8/307:00 amATW - BWI

1 stop3h 38mDelta

sáb. 9/64:39 pmBWI - ATW

1 stop7h 14mDelta

Deal found 6/11

$249

sáb. 8/301:15 pmATW - IAD

1 stop5h 27mAmerican Airlines

sáb. 9/62:21 pmIAD - ATW

2 stops9h 04mAmerican Airlines

Deal found 6/11

$254

mar. 7/18:00 amATW - IAD

1 stop4h 49mUnited Airlines

dom. 7/68:30 amIAD - ATW

1 stop4h 48mUnited Airlines

Deal found 6/12

$259

sáb. 8/301:15 pmATW - BWI

1 stop6h 50mAmerican Airlines

sáb. 9/611:04 amBWI - ATW

2 stops7h 44mAmerican Airlines

Deal found 6/11

$254

jue. 8/145:34 amATW - DCA

1 stop6h 06mDelta

dom. 8/176:00 amDCA - ATW

1 stop5h 28mDelta

Deal found 6/10

$269

jue. 7/38:00 amATW - BWI

1 stop4h 48mUnited Airlines

dom. 7/66:15 amBWI - ATW

1 stop7h 03mUnited Airlines

Deal found 6/10

$271

jue. 7/107:00 amATW - IAD

3 stops27h 20mMultiple Airlines

jue. 7/1711:58 amIAD - ATW

1 stop21h 14mMultiple Airlines

Deal found 6/10

$339

Last-minute flights from Appleton to Washington, D.C.
Discover last-minute flight deals from Appleton to Washington, D.C.. Data last updated junio 12, 2025 and is based on user searches.

sáb. 6/146:00 amATW - DCA

1 stop4h 00mAmerican Airlines

sáb. 6/2112:31 pmDCA - ATW

1 stop6h 08mAmerican Airlines

Deal found 6/10

$324

mar. 6/174:14 pmATW - DCA

1 stop6h 08mDelta

sáb. 6/212:55 pmDCA - ATW

1 stop7h 39mDelta

Deal found 6/10

$329

mar. 6/176:14 pmATW - IAD

1 stop3h 41mDelta

sáb. 6/2112:03 pmIAD - ATW

1 stop4h 31mDelta

Deal found 6/9

$329

mar. 6/176:30 amATW - DCA

1 stop5h 28mUnited Airlines

dom. 6/228:30 amDCA - ATW

1 stop6h 38mUnited Airlines

Deal found 6/10

$379

mar. 6/173:40 pmATW - IAD

1 stop7h 19mAmerican Airlines

sáb. 6/2111:18 amIAD - ATW

2 stops7h 21mAmerican Airlines

Deal found 6/9

$447

mar. 6/172:43 pmATW - BWI

1 stop5h 59mUnited Airlines

vie. 6/206:40 pmBWI - ATW

1 stop18h 30mUnited Airlines

Deal found 6/11

$620

mié. 6/186:14 pmATW - BWI

1 stop4h 05mDelta

sáb. 6/213:05 pmBWI - ATW

1 stop7h 29mDelta

Deal found 6/11

$309

mié. 6/183:30 pmATW - IAD

1 stop18h 32mMultiple Airlines

mié. 6/2512:40 pmIAD - ATW

2 stops35h 58mMultiple Airlines

Deal found 6/10

$473

mié. 6/186:14 pmATW - BWI

1 stop4h 05mDelta

dom. 6/226:00 amBWI - ATW

1 stop5h 28mDelta

Deal found 6/11

$309

jue. 6/196:15 pmATW - BWI

1 stop4h 38mAmerican Airlines

mar. 6/246:00 amBWI - ATW

1 stop4h 20mAmerican Airlines

Deal found 6/9

$352

jue. 6/195:23 pmATW - IAD

1 stop6h 07mUnited Airlines

mar. 6/248:30 amIAD - ATW

2 stops13h 50mUnited Airlines

Deal found 6/9

$453

sáb. 6/216:15 pmATW - DCA

1 stop4h 31mAmerican Airlines

lun. 6/235:59 pmDCA - ATW

1 stop6h 38mAmerican Airlines

Deal found 6/9

$467

One-way flights from Appleton to Washington, D.C.
Search for one-way flight options from Appleton to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mié. 7/26:15 pmATW - DCA

1 stop4h 31mAmerican Airlines

Deal found 6/10

$149

mar. 7/223:51 pmATW - IAD

1 stop7h 07mAmerican Airlines

Deal found 6/12

$149

mar. 7/226:07 pmATW - IAD

1 stop3h 48mDelta

Deal found 6/10

$159

mié. 6/2511:09 amATW - DCA

1 stop6h 50mDelta

Deal found 6/11

$169

vie. 7/256:30 amATW - IAD

1 stop4h 25mUnited Airlines

Deal found 6/10

$190

mar. 7/228:00 amATW - BWI

1 stop4h 48mUnited Airlines

Deal found 6/10

$199

vie. 7/259:02 amATW - BWI

1 stop22h 42mMultiple Airlines

Deal found 6/10

$216

mar. 7/227:00 amATW - IAD

3 stops27h 20mMultiple Airlines

Deal found 6/10

$223

mar. 6/2411:09 amATW - BWI

1 stop4h 23mDelta

Deal found 6/11

$228

vie. 7/256:30 amATW - DCA

1 stop4h 29mUnited Airlines

Deal found 6/12

$245

mar. 7/226:00 amATW - BWI

2 stops7h 31mAmerican Airlines

Deal found 6/12

$285

Cheapflights Fare Finder

Use the filters below to find and compare flights from Appleton to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AppletonWashington, D.C.

ATW - DCA

ATWDCA

Appleton Intl

jue. 8/28

6:35 pm-11:50 pm

1 stop4h 15m

Washington, D.C. Reagan-National

mar. 9/2

6:00 pm-10:14 pm

1 stop5h 14m

$249

AppletonWashington, D.C.

ATW - IAD

ATWIAD

Appleton Intl

mié. 8/6

6:07 pm-10:55 pm

1 stop3h 48m

Washington, D.C. Dulles Intl

lun. 8/11

5:25 pm-10:53 pm

1 stop6h 28m

$249

AppletonBaltimore

ATW - BWI

ATWBWI

Appleton Intl

sáb. 8/30

7:00 am-11:38 am

1 stop3h 38m

Baltimore/Washington

sáb. 9/6

4:39 pm-10:53 pm

1 stop7h 14m

$249

AppletonWashington, D.C.

ATW - DCA

ATWDCA

Appleton Intl

mar. 7/29

3:45 pm-9:02 pm

1 stop4h 17m

Washington, D.C. Reagan-National

dom. 8/3

5:00 pm-9:35 pm

1 stop5h 35m

$253

AppletonWashington, D.C.

ATW - IAD

ATWIAD

Appleton Intl

sáb. 8/30

1:15 pm-7:42 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

sáb. 9/6

2:21 pm-10:25 pm

2 stops9h 04m

$254

AppletonBaltimore

ATW - BWI

ATWBWI

Appleton Intl

sáb. 8/30

1:15 pm-9:05 pm

1 stop6h 50m

Baltimore/Washington

sáb. 9/6

11:04 am-5:48 pm

2 stops7h 44m

$254

AppletonWashington, D.C.

ATW - IAD

ATWIAD

Appleton Intl

mar. 7/1

8:00 am-1:49 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

dom. 7/6

8:30 am-12:18 pm

1 stop4h 48m

$259

AppletonWashington, D.C.

ATW - DCA

ATWDCA

Appleton Intl

jue. 8/14

5:34 am-12:40 pm

1 stop6h 06m

Washington, D.C. Reagan-National

dom. 8/17

6:00 am-10:28 am

1 stop5h 28m

$269

AppletonBaltimore

ATW - BWI

ATWBWI

Appleton Intl

jue. 7/3

8:00 am-1:48 pm

1 stop4h 48m

Baltimore/Washington

dom. 7/6

6:15 am-12:18 pm

1 stop7h 03m

$271

AppletonBaltimore

ATW - BWI

ATWBWI

Appleton Intl

vie. 7/4

9:02 am-3:46 pm

1 stop5h 44m

Baltimore/Washington

mar. 7/8

8:38 pm-3:47 pm

3 stops20h 09m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results

Best time to book a flight from Appleton to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Appleton with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Appleton to Washington, D.C.

What is the cheapest month to book a flight from Appleton to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Appleton to Washington, D.C. (average of $241). Flying from Appleton to Washington, D.C. in March is currently the most expensive (average of $290). 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.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Appleton to Washington, D.C., see what other customers have to say about Delta, United Airlines and Allegiant Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Allegiant Air

7.3

Good

725 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Appleton to Washington, D.C.?
Appleton Intl (ATW) is the airport you will fly out of if you book a flight from Appleton to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Appleton Intl; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Appleton airport to Washington, D.C.. It is only a 5.1 mi journey to Appleton Intl (ATW) from Appleton’s city center.
What are the cheapest airlines flying from Appleton to Washington, D.C. round-trip?
Cheapflights users have booked flights from Appleton to Washington, D.C. round-trip from $249. Other airlines that can offer you cheap pricing are Delta, from $249, and United Airlines, from $253. You may be able to fly from Appleton to Washington, D.C. for 22% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Appleton to Washington, D.C. one-way?
One-way options have recently been found by users for as low as $149 on American Airlines. Other airlines that offer cheap prices include Delta from $159 and United Airlines from $190 one-way.
What are the most popular routes from Appleton to Washington, D.C.?
Most travelers choose Appleton Intl - Washington, D.C. Dulles Intl, Appleton Intl - Baltimore/Washington or Appleton Intl - Washington, D.C. Reagan-National when deciding on the best route from Appleton to Washington, D.C..
Can I find deals for flights from Appleton to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Appleton to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Appleton to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Appleton to Washington, D.C..
Can I find deals for business class flights from Appleton to Washington, D.C.?
Yes. Cheapflights offers flight deals from Appleton to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Appleton to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Appleton to Washington, D.C. (average of $241). Flying from Appleton to Washington, D.C. in March is currently the most expensive (average of $290). 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.

See more FAQs

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Fredericksburg

Gaithersburg

Fairfax

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Easton

Herndon

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Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Appleton to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$358	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$234	Average$350	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$248	Average$386	FlexibilityNo cancel fee	On-time69%

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$149+ Cheap flights from Appleton (ATW) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Appleton to Washington, D.C. with Cheapflights

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Cheap flight deals from Appleton to Washington, D.C.

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Popular in

Cheapest in

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Find flight deals from Appleton to Washington, D.C.

Cheapest flights from Appleton to Washington, D.C.Explore the most affordable flight options available from Appleton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Appleton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Appleton to Washington, D.C. that are best for you.

Best time to book a flight from Appleton to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Appleton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Appleton to Washington, D.C.

What is the cheapest month to book a flight from Appleton to Washington, D.C.?

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Appleton to Washington, D.C., see what other customers have to say about Delta, United Airlines and Allegiant Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Appleton to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Appleton to Washington, D.C.?

What are the cheapest airlines flying from Appleton to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Appleton to Washington, D.C. one-way?

What are the most popular routes from Appleton to Washington, D.C.?

Can I find deals for flights from Appleton to Washington, D.C. that include hotel bookings?

How can I find direct flights from Appleton to Washington, D.C.?

Can I find deals for business class flights from Appleton to Washington, D.C.?

What is the cheapest month to book a flight from Appleton to Washington, D.C.?

Traveling to a place near Appleton?

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Alternative routes for Appleton to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Appleton to Washington, D.C.

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Cheapest flights from Appleton to Washington, D.C.
Explore the most affordable flight options available from Appleton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.